svn commit: r804313 [2/3] - in /ofbiz/branches/executioncontext20090812: applications/order/src/org/ofbiz/order/order/ applications/party/src/org/ofbiz/party/party/ applications/product/src/org/ofbiz/product/inventory/ applications/product/src/org/ofbi...

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svn commit: r804313 [2/3] - in /ofbiz/branches/executioncontext20090812: applications/order/src/org/ofbiz/order/order/ applications/party/src/org/ofbiz/party/party/ applications/product/src/org/ofbiz/product/inventory/ applications/product/src/org/ofbi...

adrianc
Modified: ofbiz/branches/executioncontext20090812/framework/entity/src/org/ofbiz/entity/model/ModelViewEntity.java
URL: http://svn.apache.org/viewvc/ofbiz/branches/executioncontext20090812/framework/entity/src/org/ofbiz/entity/model/ModelViewEntity.java?rev=804313&r1=804312&r2=804313&view=diff
==============================================================================
--- ofbiz/branches/executioncontext20090812/framework/entity/src/org/ofbiz/entity/model/ModelViewEntity.java (original)
+++ ofbiz/branches/executioncontext20090812/framework/entity/src/org/ofbiz/entity/model/ModelViewEntity.java Fri Aug 14 18:09:43 2009
@@ -1,1337 +1,165 @@
-/*******************************************************************************
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- *******************************************************************************/
 package org.ofbiz.entity.model;
 
 import java.io.Serializable;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.HashSet;
 import java.util.Iterator;
-import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
-import java.util.Set;
 
-import javolution.util.FastList;
-import javolution.util.FastMap;
-
-import org.ofbiz.base.util.Debug;
-import org.ofbiz.base.util.StringUtil;
-import org.ofbiz.base.util.UtilFormatOut;
-import org.ofbiz.base.util.UtilTimer;
-import org.ofbiz.base.util.UtilValidate;
-import org.ofbiz.base.util.UtilXml;
-import org.ofbiz.entity.condition.EntityComparisonOperator;
 import org.ofbiz.entity.condition.EntityCondition;
-import org.ofbiz.entity.condition.EntityConditionValue;
-import org.ofbiz.entity.condition.EntityFieldValue;
-import org.ofbiz.entity.condition.EntityFunction;
-import org.ofbiz.entity.condition.EntityJoinOperator;
-import org.ofbiz.entity.condition.EntityOperator;
-import org.ofbiz.entity.jdbc.SqlJdbcUtil;
-import org.w3c.dom.Element;
-import org.w3c.dom.NodeList;
-
-/**
- * This class extends ModelEntity and provides additional information appropriate to view entities
- */
-@SuppressWarnings("serial")
-public class ModelViewEntity extends ModelEntityImpl {
-    public static final String module = ModelViewEntity.class.getName();
-
-    public static Map<String, String> functionPrefixMap = FastMap.newInstance();
-    static {
-        functionPrefixMap.put("min", "MIN(");
-        functionPrefixMap.put("max", "MAX(");
-        functionPrefixMap.put("sum", "SUM(");
-        functionPrefixMap.put("avg", "AVG(");
-        functionPrefixMap.put("count", "COUNT(");
-        functionPrefixMap.put("count-distinct", "COUNT(DISTINCT ");
-        functionPrefixMap.put("upper", "UPPER(");
-        functionPrefixMap.put("lower", "LOWER(");
+
+public interface ModelViewEntity extends ModelEntity {
+
+    public interface ComplexAliasMember {
+        public void makeAliasColName(StringBuilder colNameBuffer, StringBuilder fieldTypeBuffer, ModelViewEntity modelViewEntity, ModelReader modelReader);
     }
 
-    /** Contains member-entity alias name definitions: key is alias, value is ModelMemberEntity */
-    protected Map<String, ModelMemberEntity> memberModelMemberEntities = FastMap.newInstance();
+    public interface ComplexAlias extends ComplexAliasMember {
+        public void addComplexAliasMember(ComplexAliasMember complexAliasMember);
+    }
 
-    /** A list of all ModelMemberEntity entries; this is mainly used to preserve the original order of member entities from the XML file */
-    protected List<ModelMemberEntity> allModelMemberEntities = FastList.newInstance();
+    public interface ModelAlias {
 
-    /** Contains member-entity ModelEntities: key is alias, value is ModelEntity; populated with fields */
-    protected Map<String, ModelEntity> memberModelEntities = null;
+        public String getColAlias();
 
-    /** List of alias-alls which act as a shortcut for easily pulling over member entity fields */
-    protected List<ModelAliasAll> aliasAlls = FastList.newInstance();
+        public String getDescription();
 
-    /** List of aliases with information in addition to what is in the standard field list */
-    protected List<ModelAlias> aliases = FastList.newInstance();
+        public String getEntityAlias();
 
-    /** List of view links to define how entities are connected (or "joined") */
-    protected List<ModelViewLink> viewLinks = FastList.newInstance();
+        public String getField();
 
-    /** A List of the Field objects for the View Entity, one for each GROUP BY field */
-    protected List<ModelField> groupBys = FastList.newInstance();
+        public String getFunction();
 
-    protected Map<String, Map<String, ModelConversion>> conversions = FastMap.newInstance();
-    
-    protected ViewEntityCondition viewEntityCondition = null;
+        public boolean getGroupBy();
 
-    public ModelViewEntity(ModelReader reader, Element entityElement, UtilTimer utilTimer, ModelInfo def) {
-        super(reader, entityElement, def);
+        public boolean getIsFromAliasAll();
 
-        if (utilTimer != null) utilTimer.timerString("  createModelViewEntity: before general/basic info");
-        this.populateBasicInfo(entityElement);
+        public Boolean getIsPk();
 
-        if (utilTimer != null) utilTimer.timerString("  createModelViewEntity: before \"member-entity\"s");
-        for (Element memberEntityElement: UtilXml.childElementList(entityElement, "member-entity")) {
-            String alias = UtilXml.checkEmpty(memberEntityElement.getAttribute("entity-alias")).intern();
-            String name = UtilXml.checkEmpty(memberEntityElement.getAttribute("entity-name")).intern();
-            if (name.length() <= 0 || alias.length() <= 0) {
-                Debug.logError("[new ModelViewEntity] entity-alias or entity-name missing on member-entity element of the view-entity " + this.entityName, module);
-            } else {
-                ModelMemberEntity modelMemberEntity = new ModelMemberEntity(alias, name);
-                this.addMemberModelMemberEntity(modelMemberEntity);
-            }
-        }
-
-        // when reading aliases and alias-alls, just read them into the alias list, there will be a pass
-        // after loading all entities to go back and fill in all of the ModelField entries
-        for (Element aliasElement: UtilXml.childElementList(entityElement, "alias-all")) {
-            ModelViewEntity.ModelAliasAll aliasAll = new ModelAliasAll(aliasElement);
-            this.aliasAlls.add(aliasAll);
-        }
-
-        if (utilTimer != null) utilTimer.timerString("  createModelViewEntity: before aliases");
-        for (Element aliasElement: UtilXml.childElementList(entityElement, "alias")) {
-            ModelViewEntity.ModelAlias alias = new ModelAlias(aliasElement);
-            this.aliases.add(alias);
-        }
-
-        for (Element viewLinkElement: UtilXml.childElementList(entityElement, "view-link")) {
-            ModelViewLink viewLink = new ModelViewLink(this, viewLinkElement);
-            this.addViewLink(viewLink);
-        }
+        public String getName();
 
-        if (utilTimer != null) utilTimer.timerString("  createModelEntity: before relations");
-        this.populateRelated(reader, entityElement);
-        
-        Element entityConditionElement = UtilXml.firstChildElement(entityElement, "entity-condition");
-        if (entityConditionElement != null) {
-            this.viewEntityCondition = new ViewEntityCondition(this, null, entityConditionElement);
-        }
+        public boolean isComplexAlias();
 
-        // before finishing, make sure the table name is null, this should help bring up errors early...
-        this.tableName = null;
-    }
+        public void makeAliasColName(StringBuilder colNameBuffer, StringBuilder fieldTypeBuffer, ModelViewEntity modelViewEntity, ModelReader modelReader);
 
-    public ModelViewEntity(DynamicViewEntity dynamicViewEntity, ModelReader modelReader) {
-        this.entityName = dynamicViewEntity.getEntityName();
-        this.packageName = dynamicViewEntity.getPackageName();
-        this.title = dynamicViewEntity.getTitle();
-        this.defaultResourceName = dynamicViewEntity.getDefaultResourceName();
-
-        // member-entities
-        Iterator<Map.Entry<String, ModelMemberEntity>> modelMemberEntitiesEntryIter = dynamicViewEntity.getModelMemberEntitiesEntryIter();
-        while (modelMemberEntitiesEntryIter.hasNext()) {
-            Map.Entry<String, ModelMemberEntity> entry = modelMemberEntitiesEntryIter.next();
-            this.addMemberModelMemberEntity(entry.getValue());
-        }
-
-        // alias-alls
-        dynamicViewEntity.addAllAliasAllsToList(this.aliasAlls);
-
-        // aliases
-        dynamicViewEntity.addAllAliasesToList(this.aliases);
-
-        // view-links
-        dynamicViewEntity.addAllViewLinksToList(this.viewLinks);
-
-        // relations
-        dynamicViewEntity.addAllRelationsToList(this.relations);
-
-        // finalize stuff
-        // note that this doesn't result in a call to populateReverseLinks because a DynamicViewEntity should never be cached anyway, and will blow up when attempting to make the reverse links to the DynamicViewEntity
-        this.populateFieldsBasic(modelReader);
-    }
+        public void setComplexAliasMember(ComplexAliasMember complexAliasMember);
 
-    public Map<String, ModelMemberEntity> getMemberModelMemberEntities() {
-        return this.memberModelMemberEntities;
+        public void setDescription(String description);
     }
 
-    public List<ModelMemberEntity> getAllModelMemberEntities() {
-        return this.allModelMemberEntities;
-    }
+    public interface ModelAliasAll {
 
-    public ModelMemberEntity getMemberModelMemberEntity(String alias) {
-        return this.memberModelMemberEntities.get(alias);
-    }
+        public String getEntityAlias();
 
-    public ModelEntity getMemberModelEntity(String alias) {
-        if (this.memberModelEntities == null) {
-            this.memberModelEntities = FastMap.newInstance();
-            populateFields(this.getModelReader());
-        }
-        return this.memberModelEntities.get(alias);
-    }
+        public String getFunction();
 
-    public void addMemberModelMemberEntity(ModelMemberEntity modelMemberEntity) {
-        this.memberModelMemberEntities.put(modelMemberEntity.getEntityAlias(), modelMemberEntity);
-        this.allModelMemberEntities.add(modelMemberEntity);
-    }
+        public boolean getGroupBy();
 
-    public void removeMemberModelMemberEntity(String alias) {
-        ModelMemberEntity modelMemberEntity = this.memberModelMemberEntities.remove(alias);
+        public String getPrefix();
 
-        if (modelMemberEntity == null) return;
-        this.allModelMemberEntities.remove(modelMemberEntity);
+        public boolean shouldExclude(String fieldName);
     }
 
-    /** The col-name of the Field, the alias of the field if this is on a view-entity */
-    @Override
-    public String getColNameOrAlias(String fieldName) {
-        ModelField modelField = this.getField(fieldName);
-        String fieldString = modelField.getColName();
-        ModelViewEntity.ModelAlias alias = getAlias(fieldName);
-        if (alias != null) {
-            fieldString = alias.getColAlias();
-        }
-        return fieldString;
-    }
+    public interface ModelConversion {
+        public void addAllAliasConversions(List<String> aliases, String fieldName);
 
-    /** List of aliases with information in addition to what is in the standard field list */
-    public ModelAlias getAlias(int index) {
-        return this.aliases.get(index);
-    }
+        public void addAllAliasConversions(String fieldName, String... aliases);
 
-    public ModelAlias getAlias(String name) {
-        Iterator<ModelAlias> aliasIter = getAliasesIterator();
-        while (aliasIter.hasNext()) {
-            ModelAlias alias = aliasIter.next();
-            if (alias.name.equals(name)) {
-                return alias;
-            }
-        }
-        return null;
-    }
+        public void addConversion(String fromFieldName, String toFieldName);
 
-    public int getAliasesSize() {
-        return this.aliases.size();
+        public Map<String, Object> convert(Map<String, Object> values);
     }
 
-    public Iterator<ModelAlias> getAliasesIterator() {
-        return this.aliases.iterator();
-    }
+    public interface ModelMemberEntity {
+        public String getEntityAlias();
 
-    public List<ModelAlias> getAliasesCopy() {
-        List<ModelAlias> newList = FastList.newInstance();
-        newList.addAll(this.aliases);
-        return newList;
+        public String getEntityName();
     }
 
-    public List<ModelField> getGroupBysCopy() {
-        return getGroupBysCopy(null);
-    }
+    public interface ModelViewLink {
 
-    public List<ModelField> getGroupBysCopy(List<ModelField> selectFields) {
-        List<ModelField> newList = FastList.newInstance();
-        if (UtilValidate.isEmpty(selectFields)) {
-            newList.addAll(this.groupBys);
-        } else {
-            for (ModelField groupByField: this.groupBys) {
-                if (selectFields.contains(groupByField)) {
-                    newList.add(groupByField);
-                }
-            }
-        }
-        return newList;
-    }
+        public String getEntityAlias();
 
-    /** List of view links to define how entities are connected (or "joined") */
-    public ModelViewLink getViewLink(int index) {
-        return this.viewLinks.get(index);
-    }
+        public ModelKeyMap getKeyMap(int index);
 
-    public int getViewLinksSize() {
-        return this.viewLinks.size();
-    }
+        public List<ModelKeyMap> getKeyMapsCopy();
 
-    public Iterator<ModelViewLink> getViewLinksIterator() {
-        return this.viewLinks.iterator();
-    }
+        public Iterator<ModelKeyMap> getKeyMapsIterator();
 
-    public List<ModelViewLink> getViewLinksCopy() {
-        List<ModelViewLink> newList = FastList.newInstance();
-        newList.addAll(this.viewLinks);
-        return newList;
+        public int getKeyMapsSize();
+
+        public String getRelEntityAlias();
+
+        public boolean isRelOptional();
     }
 
-    public void addViewLink(ModelViewLink viewLink) {
-        this.viewLinks.add(viewLink);
+    public static interface ViewCondition extends Serializable {
+        public EntityCondition createCondition(ModelFieldTypeReader modelFieldTypeReader, List<String> entityAliasStack);
     }
-    
-    public void populateViewEntityConditionInformation(ModelFieldTypeReader modelFieldTypeReader, List<EntityCondition> whereConditions, List<EntityCondition> havingConditions, List<String> orderByList, List<String> entityAliasStack) {
-        if (entityAliasStack == null) {
-            entityAliasStack = FastList.newInstance();
-        }
-        
-        if (this.viewEntityCondition != null) {
-            EntityCondition whereCondition = this.viewEntityCondition.getWhereCondition(modelFieldTypeReader, entityAliasStack);
-            if (whereCondition != null) {
-                whereConditions.add(whereCondition);
-            }
-        }
-        
-        if (this.viewEntityCondition != null) {
-            EntityCondition havingCondition = this.viewEntityCondition.getHavingCondition(modelFieldTypeReader, entityAliasStack);
-            if (havingCondition != null) {
-                havingConditions.add(havingCondition);
-            }
-        }
+
+    public interface ViewEntityCondition {
+        public EntityCondition getHavingCondition(ModelFieldTypeReader modelFieldTypeReader, List<String> entityAliasStack);
         
-        // add the current one first so it overrides the lower level ones
-        if (this.viewEntityCondition != null) {
-            List<String> currentOrderByList = this.viewEntityCondition.getOrderByList();
-            if (currentOrderByList != null) {
-                orderByList.addAll(currentOrderByList);
-            }
-        }
+        public List<String> getOrderByList();
         
-        for (Map.Entry<String, ModelEntity> memberEntityEntry: this.memberModelEntities.entrySet()) {
-            if (memberEntityEntry.getValue() instanceof ModelViewEntity) {
-                ModelViewEntity memberViewEntity = (ModelViewEntity) memberEntityEntry.getValue();
-                entityAliasStack.add(memberEntityEntry.getKey());
-                memberViewEntity.populateViewEntityConditionInformation(modelFieldTypeReader, whereConditions, havingConditions, orderByList, entityAliasStack);
-                entityAliasStack.remove(entityAliasStack.size() - 1);
-            }
-        }
+        public EntityCondition getWhereCondition(ModelFieldTypeReader modelFieldTypeReader, List<String> entityAliasStack);
     }
 
-    @Override
-    public String colNameString(String separator, String afterLast, boolean alias, ModelField... flds) {
-        return colNameString(Arrays.asList(flds), separator, afterLast, alias);
-    }
+    public void addMemberModelMemberEntity(ModelMemberEntity modelMemberEntity);
 
-    @Override
-    public String colNameString(List<ModelField> flds, String separator, String afterLast, boolean alias) {
-        StringBuilder returnString = new StringBuilder();
-
-        if (flds.size() < 1) {
-            return "";
-        }
-
-        Iterator<ModelField> fldsIt = flds.iterator();
-        while (fldsIt.hasNext()) {
-            ModelField field = fldsIt.next();
-            returnString.append(field.getColName());
-            if (alias) {
-                ModelAlias modelAlias = this.getAlias(field.getName());
-                if (modelAlias != null) {
-                    returnString.append(" AS " + modelAlias.getColAlias());
-                }
-            }
-            if (fldsIt.hasNext()) {
-                returnString.append(separator);
-            }
-        }
+    public void addViewLink(ModelViewLink viewLink);
 
-        returnString.append(afterLast);
-        return returnString.toString();
-    }
+    public List<Map<String, Object>> convert(String fromEntityName, Map<String, Object> data);
 
-    protected ModelEntity aliasedModelEntity = new ModelEntityImpl();
+    /** List of aliases with information in addition to what is in the standard field list */
+    public ModelAlias getAlias(int index);
 
-    public ModelEntity getAliasedModelEntity() {
-        return this.aliasedModelEntity;
-    }
+    public ModelAlias getAlias(String name);
 
-    public ModelEntity getAliasedEntity(String entityAlias, ModelReader modelReader) {
-        ModelMemberEntity modelMemberEntity = this.memberModelMemberEntities.get(entityAlias);
-        if (modelMemberEntity == null) {
-            Debug.logError("No member entity with alias " + entityAlias + " found in view-entity " + this.getEntityName() + "; this view-entity will NOT be usable...", module);
-            return null;
-        }
-
-        String aliasedEntityName = modelMemberEntity.getEntityName();
-        ModelEntity aliasedEntity = modelReader.getModelEntityNoCheck(aliasedEntityName);
-        if (aliasedEntity == null) {
-            Debug.logError("[ModelViewEntity.populateFields] ERROR: could not find ModelEntity for entity name: " + aliasedEntityName, module);
-            return null;
-        }
+    public ModelEntity getAliasedEntity(String entityAlias, ModelReader modelReader);
 
-        return aliasedEntity;
-    }
+    public ModelField getAliasedField(ModelEntity aliasedEntity, String field, ModelReader modelReader);
 
-    public ModelField getAliasedField(ModelEntity aliasedEntity, String field, ModelReader modelReader) {
-        ModelField aliasedField = aliasedEntity.getField(field);
-        if (aliasedField == null) {
-            Debug.logError("[ModelViewEntity.populateFields] ERROR: could not find ModelField for entity name: " + aliasedEntity.getEntityName() + " and field: " + field, module);
-            return null;
-        }
-        return aliasedField;
-    }
+    public ModelEntity getAliasedModelEntity();
 
-    public void populateFields(ModelReader modelReader) {
-        populateFieldsBasic(modelReader);
-        populateReverseLinks();
-    }
+    public List<ModelAlias> getAliasesCopy();
 
-    public void populateFieldsBasic(ModelReader modelReader) {
-        if (this.memberModelEntities == null) {
-            this.memberModelEntities = FastMap.newInstance();
-        }
-
-        for (Map.Entry<String, ModelMemberEntity> entry: memberModelMemberEntities.entrySet()) {
-
-            ModelMemberEntity modelMemberEntity = entry.getValue();
-            String aliasedEntityName = modelMemberEntity.getEntityName();
-            ModelEntity aliasedEntity = modelReader.getModelEntityNoCheck(aliasedEntityName);
-            if (aliasedEntity == null) {
-                continue;
-            }
-            memberModelEntities.put(entry.getKey(), aliasedEntity);
-            Iterator<ModelField> aliasedFieldIterator = aliasedEntity.getFieldsIterator();
-            while (aliasedFieldIterator.hasNext()) {
-                ModelField aliasedModelField = aliasedFieldIterator.next();
-                ModelField newModelField = new ModelFieldImpl();
-                for (int i = 0; i < aliasedModelField.getValidatorsSize(); i++) {
-                    newModelField.addValidator(aliasedModelField.getValidator(i));
-                }
-                newModelField.setColName(modelMemberEntity.getEntityAlias() + "." + aliasedModelField.getColName());
-                newModelField.setName(modelMemberEntity.getEntityAlias() + "." + aliasedModelField.getName());
-                newModelField.setType(aliasedModelField.getType());
-                newModelField.setDescription(aliasedModelField.getDescription());
-                newModelField.setIsPk(false);
-                aliasedModelEntity.addField(newModelField);
-            }
-        }
-
-        expandAllAliasAlls(modelReader);
-
-        for (ModelAlias alias: aliases) {
-         ModelFieldImpl field = new ModelFieldImpl();
-            field.setModelEntity(this);
-            field.setName(alias.name);
-            field.description = alias.description;
-
-            // if this is a groupBy field, add it to the groupBys list
-            if (alias.groupBy) {
-                this.groupBys.add(field);
-            }
-
-            // show a warning if function is specified and groupBy is true
-            if (UtilValidate.isNotEmpty(alias.function) && alias.groupBy) {
-                Debug.logWarning("The view-entity alias with name=" + alias.name + " has a function value and is specified as a group-by field; this may be an error, but is not necessarily.", module);
-            }
-
-            if (alias.isComplexAlias()) {
-                // if this is a complex alias, make a complex column name...
-                StringBuilder colNameBuffer = new StringBuilder();
-                StringBuilder fieldTypeBuffer = new StringBuilder();
-                alias.makeAliasColName(colNameBuffer, fieldTypeBuffer, this, modelReader);
-                field.colName = colNameBuffer.toString();
-                field.type = fieldTypeBuffer.toString();
-                field.isPk = false;
-            } else {
-                ModelEntity aliasedEntity = getAliasedEntity(alias.entityAlias, modelReader);
-                ModelFieldImpl aliasedField = (ModelFieldImpl) getAliasedField(aliasedEntity, alias.field, modelReader);
-                if (aliasedField == null) {
-                    Debug.logError("[ModelViewEntity.populateFields (" + this.getEntityName() + ")] ERROR: could not find ModelField for field name \"" +
-                        alias.field + "\" on entity with name: " + aliasedEntity.getEntityName(), module);
-                    continue;
-                }
-
-                if (alias.isPk != null) {
-                    field.isPk = alias.isPk.booleanValue();
-                } else {
-                    field.isPk = aliasedField.isPk;
-                }
-
-                field.encrypt = aliasedField.encrypt;
-
-                field.type = aliasedField.type;
-                field.validators = aliasedField.validators;
-
-                field.colName = alias.entityAlias + "." + SqlJdbcUtil.filterColName(aliasedField.getColName());
-                if (UtilValidate.isEmpty(field.description)) {
-                    field.description = aliasedField.description;
-                }
-            }
-
-            this.fields.add(field);
-            if (field.isPk) {
-                this.pks.add(field);
-            } else {
-                this.nopks.add(field);
-            }
-
-            if ("count".equals(alias.function) || "count-distinct".equals(alias.function)) {
-                // if we have a "count" function we have to change the type
-                field.type = "numeric";
-            }
-
-            if (UtilValidate.isNotEmpty(alias.function)) {
-                String prefix = functionPrefixMap.get(alias.function);
-                if (prefix == null) {
-                    Debug.logWarning("Specified alias function [" + alias.function + "] not valid; must be: min, max, sum, avg, count or count-distinct; using a column name with no function function", module);
-                } else {
-                    field.setColName(prefix + field.getColName() + ")");
-                }
-            }
-        }
-    }
+    public Iterator<ModelAlias> getAliasesIterator();
 
-    protected ModelConversion getOrCreateModelConversion(String aliasName) {
-        ModelEntity member = getMemberModelEntity(aliasName);
-        if (member == null) {
-            String errMsg = "No member found for aliasName - " + aliasName;
-            Debug.logWarning(errMsg, module);
-            throw new RuntimeException("Cannot create View Entity: " + errMsg);
-        }
-
-        Map<String, ModelConversion> aliasConversions = conversions.get(member.getEntityName());
-        if (aliasConversions == null) {
-            aliasConversions = FastMap.newInstance();
-            conversions.put(member.getEntityName(), aliasConversions);
-        }
-        ModelConversion conversion = aliasConversions.get(aliasName);
-        if (conversion == null) {
-            conversion = new ModelConversion(aliasName, member);
-            aliasConversions.put(aliasName, conversion);
-        }
-        return conversion;
-    }
+    public int getAliasesSize();
 
-    public void populateReverseLinks() {
-        Map<String, List<String>> containedModelFields = FastMap.newInstance();
-        Iterator<ModelAlias> it = getAliasesIterator();
-        while (it.hasNext()) {
-            ModelViewEntity.ModelAlias alias = it.next();
-            if (alias.isComplexAlias()) {
-                // TODO: conversion for complex-alias needs to be implemented for cache and in-memory eval stuff to work correctly
-                Debug.logWarning("Conversion for complex-alias needs to be implemented for cache and in-memory eval stuff to work correctly, will not work for alias: " + alias.getName() + " of view-entity " + this.getEntityName(), module);
-            } else {
-                ModelConversion conversion = getOrCreateModelConversion(alias.getEntityAlias());
-                conversion.addConversion(alias.getField(), alias.getName());
-            }
-
-            List<String> aliases = containedModelFields.get(alias.getField());
-            if (aliases == null) {
-                aliases = FastList.newInstance();
-                containedModelFields.put(alias.getField(), aliases);
-            }
-            aliases.add(alias.getName());
-        }
-
-        Iterator<ModelViewLink> it2 = getViewLinksIterator();
-        while (it2.hasNext()) {
-            ModelViewEntity.ModelViewLink link = it2.next();
-
-            String leftAlias = link.getEntityAlias();
-            String rightAlias = link.getRelEntityAlias();
-            ModelConversion leftConversion = getOrCreateModelConversion(leftAlias);
-            ModelConversion rightConversion = getOrCreateModelConversion(rightAlias);
-            Iterator<ModelKeyMap> it3 = link.getKeyMapsIterator();
-            Debug.logVerbose(leftAlias + "<->" + rightAlias, module);
-            while (it3.hasNext()) {
-                ModelKeyMap mkm = it3.next();
-                String leftFieldName = mkm.getFieldName();
-                String rightFieldName = mkm.getRelFieldName();
-                rightConversion.addAllAliasConversions(containedModelFields.get(leftFieldName), rightFieldName);
-                leftConversion.addAllAliasConversions(containedModelFields.get(rightFieldName), leftFieldName);
-            }
-        }
-        int[] currentIndex = new int[conversions.size()];
-        int[] maxIndex = new int[conversions.size()];
-        ModelConversion[][] allConversions = new ModelConversion[conversions.size()][];
-        int i = 0;
-        for (Map<String, ModelConversion> aliasConversions: conversions.values()) {
-            currentIndex[i] = 0;
-            maxIndex[i] = aliasConversions.size();
-            allConversions[i] = new ModelConversion[aliasConversions.size()];
-            int j = 0;
-            for (ModelConversion conversion: aliasConversions.values()) {
-                allConversions[i][j] = conversion;
-                j++;
-            }
-            i++;
-        }
-        int ptr = 0;
-        ModelConversion[] currentConversions = new ModelConversion[conversions.size()];
-        for (int j = 0, k; j < currentIndex.length; j++) {
-            for (int l = 0; l < maxIndex[ j ]; l++ ) {
-                while (true) {
-                    for (i = 0, k = 0; i < currentIndex.length; i++) {
-                        if (i == j && currentIndex[i] == l) continue;
-                        currentConversions[k++] = allConversions[i][currentIndex[i]];
-                    }
-                    Debug.logVerbose(j + "," + l + ":" + Arrays.asList(currentConversions), module);
-                    while (ptr < currentIndex.length && ++currentIndex[ptr] == maxIndex[ptr]) {
-                        currentIndex[ptr] = 0;
-                        ptr++;
-                    }
-                    if (ptr == currentIndex.length) break;
-                    ptr = 0;
-                }
-            }
-        }
-        Debug.logVerbose(this + ":" + conversions, module);
-    }
+    public List<ModelMemberEntity> getAllModelMemberEntities();
 
-    public List<Map<String, Object>> convert(String fromEntityName, Map<String, Object> data) {
-        Map<String, ModelConversion> conversions = this.conversions.get(fromEntityName);
-        if (conversions == null) return null;
-        List<Map<String, Object>> values = FastList.newInstance();
-        for (ModelConversion conversion: conversions.values()) {
-            values.add(conversion.convert(data));
-        }
-        return values;
-    }
+    /** The col-name of the Field, the alias of the field if this is on a view-entity */
+    public String getColNameOrAlias(String fieldName);
 
-    /**
-     * Go through all aliasAlls and create an alias for each field of each member entity
-     */
-    private void expandAllAliasAlls(ModelReader modelReader) {
-        for (ModelAliasAll aliasAll: aliasAlls) {
-            String prefix = aliasAll.getPrefix();
-            String function = aliasAll.getFunction();
-            boolean groupBy = aliasAll.getGroupBy();
-
-            ModelMemberEntity modelMemberEntity = memberModelMemberEntities.get(aliasAll.getEntityAlias());
-            if (modelMemberEntity == null) {
-                Debug.logError("Member entity referred to in alias-all not found, ignoring: " + aliasAll.getEntityAlias(), module);
-                continue;
-            }
-
-            String aliasedEntityName = modelMemberEntity.getEntityName();
-            ModelEntity aliasedEntity = modelReader.getModelEntityNoCheck(aliasedEntityName);
-            if (aliasedEntity == null) {
-                Debug.logError("Entity referred to in member-entity " + aliasAll.getEntityAlias() + " not found, ignoring: " + aliasedEntityName, module);
-                continue;
-            }
-
-            List<String> entFieldList = aliasedEntity.getAllFieldNames();
-            if (entFieldList == null) {
-                Debug.logError("Entity referred to in member-entity " + aliasAll.getEntityAlias() + " has no fields, ignoring: " + aliasedEntityName, module);
-                continue;
-            }
-
-            for (String fieldName: entFieldList) {
-                // now merge the lists, leaving out any that duplicate an existing alias name
-                String aliasName = fieldName;
-                ModelField modelField = aliasedEntity.getField(fieldName);
-                if (modelField.getIsAutoCreatedInternal()) {
-                    // never auto-alias these
-                    continue;
-                }
-                if (aliasAll.shouldExclude(fieldName)) {
-                    // if specified as excluded, leave it out
-                    continue;
-                }
-
-                if (UtilValidate.isNotEmpty(prefix)) {
-                    StringBuilder newAliasBuffer = new StringBuilder(prefix);
-                    //make sure the first letter is uppercase to delineate the field name
-                    newAliasBuffer.append(Character.toUpperCase(aliasName.charAt(0)));
-                    newAliasBuffer.append(aliasName.substring(1));
-                    aliasName = newAliasBuffer.toString();
-                }
-
-                ModelAlias existingAlias = this.getAlias(aliasName);
-                if (existingAlias != null) {
-                    //log differently if this is part of a view-link key-map because that is a common case when a field will be auto-expanded multiple times
-                    boolean isInViewLink = false;
-                    Iterator<ModelViewLink> viewLinkIter = this.getViewLinksIterator();
-                    while (viewLinkIter.hasNext() && !isInViewLink) {
-                        ModelViewLink modelViewLink = viewLinkIter.next();
-                        boolean isRel = false;
-                        if (modelViewLink.getRelEntityAlias().equals(aliasAll.getEntityAlias())) {
-                            isRel = true;
-                        } else if (!modelViewLink.getEntityAlias().equals(aliasAll.getEntityAlias())) {
-                            // not the rel-entity-alias or the entity-alias, so move along
-                            continue;
-                        }
-                        Iterator<ModelKeyMap> keyMapIter = modelViewLink.getKeyMapsIterator();
-                        while (keyMapIter.hasNext() && !isInViewLink) {
-                            ModelKeyMap modelKeyMap = keyMapIter.next();
-                            if (!isRel && modelKeyMap.getFieldName().equals(fieldName)) {
-                                isInViewLink = true;
-                            } else if (isRel && modelKeyMap.getRelFieldName().equals(fieldName)) {
-                                isInViewLink = true;
-                            }
-                        }
-                    }
-
-                    //already exists, oh well... probably an override, but log just in case
-                    String warnMsg = "Throwing out field alias in view entity " + this.getEntityName() + " because one already exists with the alias name [" + aliasName + "] and field name [" + modelMemberEntity.getEntityAlias() + "(" + aliasedEntity.getEntityName() + ")." + fieldName + "], existing field name is [" + existingAlias.getEntityAlias() + "." + existingAlias.getField() + "]";
-                    if (isInViewLink) {
-                        Debug.logVerbose(warnMsg, module);
-                    } else {
-                        Debug.logInfo(warnMsg, module);
-                    }
-                    continue;
-                }
-
-                ModelAlias expandedAlias = new ModelAlias();
-                expandedAlias.name = aliasName;
-                expandedAlias.field = fieldName;
-                expandedAlias.entityAlias = aliasAll.getEntityAlias();
-                expandedAlias.isFromAliasAll = true;
-                expandedAlias.colAlias = ModelUtil.javaNameToDbName(UtilXml.checkEmpty(expandedAlias.name));
-                expandedAlias.function = function;
-                expandedAlias.groupBy = groupBy;
-                expandedAlias.description = modelField.getDescription();
-
-                aliases.add(expandedAlias);
-            }
-        }
-    }
+    public List<ModelField> getGroupBysCopy();
 
-    @Override
-    public String toString() {
-        return "ModelViewEntity[" + getEntityName() + "]";
-    }
+    public List<ModelField> getGroupBysCopy(List<ModelField> selectFields);
 
-    public static class ModelMemberEntity implements Serializable {
-        protected String entityAlias = "";
-        protected String entityName = "";
-
-        public ModelMemberEntity(String entityAlias, String entityName) {
-            this.entityAlias = entityAlias;
-            this.entityName = entityName;
-        }
-
-        public String getEntityAlias() {
-            return this.entityAlias;
-        }
-
-        public String getEntityName() {
-            return this.entityName;
-        }
-    }
+    public ModelEntity getMemberModelEntity(String alias);
 
-    public static class ModelAliasAll implements Serializable {
-        protected String entityAlias = "";
-        protected String prefix = "";
-        protected Set<String> fieldsToExclude = null;
-        protected boolean groupBy = false;
-        // is specified this alias is a calculated value; can be: min, max, sum, avg, count, count-distinct
-        protected String function = null;
-
-        protected ModelAliasAll() {}
-
-        public ModelAliasAll(String entityAlias, String prefix) {
-            this.entityAlias = entityAlias;
-            this.prefix = prefix;
-        }
-
-        public ModelAliasAll(Element aliasAllElement) {
-            this.entityAlias = UtilXml.checkEmpty(aliasAllElement.getAttribute("entity-alias")).intern();
-            this.prefix = UtilXml.checkEmpty(aliasAllElement.getAttribute("prefix")).intern();
-            this.groupBy = "true".equals(UtilXml.checkEmpty(aliasAllElement.getAttribute("group-by")));
-            this.function = UtilXml.checkEmpty(aliasAllElement.getAttribute("function"));
-
-            List<? extends Element> excludes = UtilXml.childElementList(aliasAllElement, "exclude");
-            if (UtilValidate.isNotEmpty(excludes)) {
-                this.fieldsToExclude = new HashSet<String>();
-                for (Element excludeElement: excludes) {
-                    this.fieldsToExclude.add(excludeElement.getAttribute("field").intern());
-                }
-            }
-
-        }
-
-        public String getEntityAlias() {
-            return this.entityAlias;
-        }
-
-        public String getPrefix() {
-            return this.prefix;
-        }
-
-        public boolean getGroupBy() {
-            return this.groupBy;
-        }
-
-        public String getFunction() {
-            return this.function;
-        }
-
-        public boolean shouldExclude(String fieldName) {
-            if (this.fieldsToExclude == null) {
-                return false;
-            } else {
-                return this.fieldsToExclude.contains(fieldName);
-            }
-        }
-    }
+    public Map<String, ModelMemberEntity> getMemberModelMemberEntities();
 
-    public static class ModelAlias implements Serializable {
-        protected String entityAlias = "";
-        protected String name = "";
-        protected String field = "";
-        protected String colAlias = "";
-        // this is a Boolean object for a tri-state: null, true or false
-        protected Boolean isPk = null;
-        protected boolean groupBy = false;
-        // is specified this alias is a calculated value; can be: min, max, sum, avg, count, count-distinct
-        protected String function = null;
-        protected boolean isFromAliasAll = false;
-        protected ComplexAliasMember complexAliasMember = null;
-        // The description for documentation purposes
-        protected String description = "";
-
-        protected ModelAlias() {}
-
-        public ModelAlias(Element aliasElement) {
-            this.entityAlias = UtilXml.checkEmpty(aliasElement.getAttribute("entity-alias")).intern();
-            this.name = UtilXml.checkEmpty(aliasElement.getAttribute("name")).intern();
-            this.field = UtilXml.checkEmpty(aliasElement.getAttribute("field"), this.name).intern();
-            this.colAlias = UtilXml.checkEmpty(aliasElement.getAttribute("col-alias"), ModelUtil.javaNameToDbName(UtilXml.checkEmpty(this.name))).intern();
-            String primKeyValue = UtilXml.checkEmpty(aliasElement.getAttribute("prim-key"));
-
-            if (UtilValidate.isNotEmpty(primKeyValue)) {
-                this.isPk = Boolean.valueOf("true".equals(primKeyValue));
-            } else {
-                this.isPk = null;
-            }
-            this.groupBy = "true".equals(UtilXml.checkEmpty(aliasElement.getAttribute("group-by")));
-            this.function = UtilXml.checkEmpty(aliasElement.getAttribute("function")).intern();
-            this.description = UtilXml.checkEmpty(UtilXml.childElementValue(aliasElement, "description")).intern();
-
-            Element complexAliasElement = UtilXml.firstChildElement(aliasElement, "complex-alias");
-            if (complexAliasElement != null) {
-                complexAliasMember = new ComplexAlias(complexAliasElement);
-            }
-        }
-
-        public ModelAlias(String entityAlias, String name, String field, String colAlias, Boolean isPk, Boolean groupBy, String function) {
-            this.entityAlias = entityAlias;
-            this.name = name;
-            this.field = UtilXml.checkEmpty(field, this.name);
-            this.colAlias = UtilXml.checkEmpty(colAlias, ModelUtil.javaNameToDbName(UtilXml.checkEmpty(this.name)));
-            this.isPk = isPk;
-            if (groupBy != null) {
-                this.groupBy = groupBy.booleanValue();
-            } else {
-                this.groupBy = false;
-            }
-            this.function = function;
-        }
-
-        public void setComplexAliasMember(ComplexAliasMember complexAliasMember) {
-            this.complexAliasMember = complexAliasMember;
-        }
-
-        public boolean isComplexAlias() {
-            return complexAliasMember != null;
-        }
-
-        public void makeAliasColName(StringBuilder colNameBuffer, StringBuilder fieldTypeBuffer, ModelViewEntity modelViewEntity, ModelReader modelReader) {
-            if (complexAliasMember != null) {
-                complexAliasMember.makeAliasColName(colNameBuffer, fieldTypeBuffer, modelViewEntity, modelReader);
-            }
-        }
-
-        public String getEntityAlias() {
-            return this.entityAlias;
-        }
-
-        public String getName() {
-            return this.name;
-        }
-
-        public String getColAlias() {
-            return this.colAlias;
-        }
-
-        public String getField() {
-            return this.field;
-        }
-
-        public Boolean getIsPk() {
-            return this.isPk;
-        }
-
-        public boolean getGroupBy() {
-            return this.groupBy;
-        }
-
-        public String getFunction() {
-            return this.function;
-        }
-
-        public String getDescription() {
-            return this.description;
-        }
-
-        public void setDescription(String description) {
-            this.description = description;
-        }
-
-        public boolean getIsFromAliasAll() {
-            return this.isFromAliasAll;
-        }
-    }
+    public ModelMemberEntity getMemberModelMemberEntity(String alias);
 
-    public static interface ComplexAliasMember extends Serializable {
-        public void makeAliasColName(StringBuilder colNameBuffer, StringBuilder fieldTypeBuffer, ModelViewEntity modelViewEntity, ModelReader modelReader);
-    }
+    /** List of view links to define how entities are connected (or "joined") */
+    public ModelViewLink getViewLink(int index);
+    
+    public List<ModelViewLink> getViewLinksCopy();
 
-    public static class ComplexAlias implements ComplexAliasMember {
-        protected List<ComplexAliasMember> complexAliasMembers = FastList.newInstance();
-        protected String operator;
-
-        public ComplexAlias(String operator) {
-            this.operator = operator;
-        }
-
-        public ComplexAlias(Element complexAliasElement) {
-            this.operator = complexAliasElement.getAttribute("operator").intern();
-            // handle all complex-alias and complex-alias-field sub-elements
-            for (Element subElement: UtilXml.childElementList(complexAliasElement)) {
-                String nodeName = subElement.getNodeName();
-                if ("complex-alias".equals(nodeName)) {
-                    this.addComplexAliasMember(new ComplexAlias(subElement));
-                } else if ("complex-alias-field".equals(nodeName)) {
-                    this.addComplexAliasMember(new ComplexAliasField(subElement));
-                }
-            }
-        }
-
-        public void addComplexAliasMember(ComplexAliasMember complexAliasMember) {
-            this.complexAliasMembers.add(complexAliasMember);
-        }
-
-        public void makeAliasColName(StringBuilder colNameBuffer, StringBuilder fieldTypeBuffer, ModelViewEntity modelViewEntity, ModelReader modelReader) {
-            if (complexAliasMembers.size() == 0) {
-                return;
-            } else if (complexAliasMembers.size() == 1) {
-                ComplexAliasMember complexAliasMember = complexAliasMembers.iterator().next();
-                complexAliasMember.makeAliasColName(colNameBuffer, fieldTypeBuffer, modelViewEntity, modelReader);
-            } else {
-                colNameBuffer.append('(');
-                Iterator<ComplexAliasMember> complexAliasMemberIter = complexAliasMembers.iterator();
-                while (complexAliasMemberIter.hasNext()) {
-                    ComplexAliasMember complexAliasMember = complexAliasMemberIter.next();
-                    complexAliasMember.makeAliasColName(colNameBuffer, fieldTypeBuffer, modelViewEntity, modelReader);
-                    if (complexAliasMemberIter.hasNext()) {
-                        colNameBuffer.append(' ');
-                        colNameBuffer.append(this.operator);
-                        colNameBuffer.append(' ');
-                    }
-                }
-                colNameBuffer.append(')');
-            }
-        }
-    }
 
-    public static class ComplexAliasField implements ComplexAliasMember {
-        protected String entityAlias = "";
-        protected String field = "";
-        protected String defaultValue = null;
-        protected String function = null;
-
-        public ComplexAliasField(Element complexAliasFieldElement) {
-            this.entityAlias = complexAliasFieldElement.getAttribute("entity-alias").intern();
-            this.field = complexAliasFieldElement.getAttribute("field").intern();
-            this.defaultValue = complexAliasFieldElement.getAttribute("default-value").intern();
-            this.function = complexAliasFieldElement.getAttribute("function").intern();
-        }
-
-        public ComplexAliasField(String entityAlias, String field, String defaultValue, String function) {
-            this.entityAlias = entityAlias;
-            this.field = field;
-            this.defaultValue = defaultValue;
-            this.function = function;
-        }
-
-        /**
-         * Make the alias as follows: function(coalesce(entityAlias.field, defaultValue))
-         */
-        public void makeAliasColName(StringBuilder colNameBuffer, StringBuilder fieldTypeBuffer, ModelViewEntity modelViewEntity, ModelReader modelReader) {
-            ModelEntity modelEntity = modelViewEntity.getAliasedEntity(entityAlias, modelReader);
-            ModelField modelField = modelViewEntity.getAliasedField(modelEntity, field, modelReader);
-
-            String colName = entityAlias + "." + modelField.getColName();
-
-            if (UtilValidate.isNotEmpty(defaultValue)) {
-                colName = "COALESCE(" + colName + "," + defaultValue + ")";
-            }
-
-            if (UtilValidate.isNotEmpty(function)) {
-                String prefix = functionPrefixMap.get(function);
-                if (prefix == null) {
-                    Debug.logWarning("Specified alias function [" + function + "] not valid; must be: min, max, sum, avg, count or count-distinct; using a column name with no function function", module);
-                } else {
-                    colName = prefix + colName + ")";
-                }
-            }
-
-            colNameBuffer.append(colName);
-
-            //set fieldTypeBuffer if not already set
-            if (fieldTypeBuffer.length() == 0) {
-                fieldTypeBuffer.append(modelField.getType());
-            }
-        }
-    }
+    public Iterator<ModelViewLink> getViewLinksIterator();
 
-    public static class ModelViewLink implements Serializable {
-        protected String entityAlias = "";
-        protected String relEntityAlias = "";
-        protected boolean relOptional = false;
-        protected List<ModelKeyMap> keyMaps = FastList.newInstance();
-        protected ViewEntityCondition viewEntityCondition = null;
-
-        protected ModelViewLink() {}
-
-        public ModelViewLink(ModelViewEntity modelViewEntity, Element viewLinkElement) {
-            this.entityAlias = UtilXml.checkEmpty(viewLinkElement.getAttribute("entity-alias")).intern();
-            this.relEntityAlias = UtilXml.checkEmpty(viewLinkElement.getAttribute("rel-entity-alias")).intern();
-            // if anything but true will be false; ie defaults to false
-            this.relOptional = "true".equals(viewLinkElement.getAttribute("rel-optional"));
-
-            NodeList keyMapList = viewLinkElement.getElementsByTagName("key-map");
-            for (int j = 0; j < keyMapList.getLength(); j++) {
-                Element keyMapElement = (Element) keyMapList.item(j);
-                ModelKeyMap keyMap = new ModelKeyMapImpl(keyMapElement);
-
-                if (keyMap != null) keyMaps.add(keyMap);
-            }
-
-            Element entityConditionElement = UtilXml.firstChildElement(viewLinkElement, "entity-condition");
-            if (entityConditionElement != null) {
-                this.viewEntityCondition = new ViewEntityCondition(modelViewEntity, this, entityConditionElement);
-            }
-        }
-
-        public ModelViewLink(String entityAlias, String relEntityAlias, Boolean relOptional, ModelKeyMap... keyMaps) {
-            this(entityAlias, relEntityAlias, relOptional, Arrays.asList(keyMaps));
-        }
-
-        public ModelViewLink(String entityAlias, String relEntityAlias, Boolean relOptional, List<ModelKeyMap> keyMaps) {
-            this.entityAlias = entityAlias;
-            this.relEntityAlias = relEntityAlias;
-            if (relOptional != null) {
-                this.relOptional = relOptional.booleanValue();
-            }
-            this.keyMaps.addAll(keyMaps);
-        }
-
-        public String getEntityAlias() {
-            return this.entityAlias;
-        }
-
-        public String getRelEntityAlias() {
-            return this.relEntityAlias;
-        }
-
-        public boolean isRelOptional() {
-            return this.relOptional;
-        }
-
-        public ModelKeyMap getKeyMap(int index) {
-            return this.keyMaps.get(index);
-        }
-
-        public int getKeyMapsSize() {
-            return this.keyMaps.size();
-        }
-
-        public Iterator<ModelKeyMap> getKeyMapsIterator() {
-            return this.keyMaps.iterator();
-        }
-
-        public List<ModelKeyMap> getKeyMapsCopy() {
-            List<ModelKeyMap> newList = FastList.newInstance();
-            newList.addAll(this.keyMaps);
-            return newList;
-        }
-    }
+    public int getViewLinksSize();
 
-    public class ModelConversion implements Serializable {
-        protected String aliasName;
-        protected ModelEntity fromModelEntity;
-        protected Map<String, String> fieldMap = FastMap.newInstance();
-        protected Set<String> wildcards = new HashSet<String>();
-
-        public ModelConversion(String aliasName, ModelEntity fromModelEntity) {
-            this.aliasName = aliasName;
-            this.fromModelEntity = fromModelEntity;
-            Iterator<ModelField> it = getFieldsIterator();
-            while (it.hasNext()) {
-                ModelField field = it.next();
-                wildcards.add(field.getName());
-            }
-        }
-
-        @Override
-        public int hashCode() {
-            return fromModelEntity.hashCode();
-        }
-
-        @Override
-        public boolean equals(Object obj) {
-            if (!(obj instanceof ModelConversion)) return false;
-            ModelConversion other = (ModelConversion) obj;
-            return fromModelEntity.equals(other.fromModelEntity);
-        }
-
-        public void addConversion(String fromFieldName, String toFieldName) {
-            wildcards.remove(toFieldName);
-            fieldMap.put(fromFieldName, toFieldName);
-        }
-
-        @Override
-        public String toString() {
-            //return fromModelEntity.getEntityName() + ":" + fieldMap + ":" + wildcards;
-            return aliasName + "(" + fromModelEntity.getEntityName() + ")";
-        }
-
-        public Map<String, Object> convert(Map<String, Object> values) {
-            Map<String, Object> newValues = FastMap.newInstance();
-            for (Map.Entry<String, String> entry: fieldMap.entrySet()) {
-                newValues.put(entry.getValue(), values.get(entry.getKey()));
-            }
-            for (String key: wildcards) {
-                newValues.put(key, EntityOperator.WILDCARD);
-            }
-            return newValues;
-        }
-
-        public void addAllAliasConversions(String fieldName, String... aliases) {
-            addAllAliasConversions(Arrays.asList(aliases), fieldName);
-        }
-
-        public void addAllAliasConversions(List<String> aliases, String fieldName) {
-            if (aliases != null) {
-                for (String alias: aliases) {
-                    addConversion(fieldName, alias);
-                }
-            }
-        }
-    }
-    
-    public static class ViewEntityCondition {
-        protected ModelViewEntity modelViewEntity;
-        protected ModelViewLink modelViewLink;
-        protected boolean filterByDate;
-        protected boolean distinct;
-        protected List<String> orderByList;
-        protected ViewCondition whereCondition;
-        protected ViewCondition havingCondition;
-
-        public ViewEntityCondition(ModelViewEntity modelViewEntity, ModelViewLink modelViewLink, Element element) {
-            this.modelViewEntity = modelViewEntity;
-            this.modelViewLink = modelViewLink;
-            this.filterByDate = "true".equals(element.getAttribute("filter-by-date"));
-            this.distinct = "true".equals(element.getAttribute("distinct"));
-            // process order-by
-            List<? extends Element> orderByElementList = UtilXml.childElementList(element, "order-by");
-            if (orderByElementList.size() > 0) {
-                orderByList = FastList.newInstance();
-                for (Element orderByElement: orderByElementList) {
-                    orderByList.add(orderByElement.getAttribute("field-name"));
-                }
-            }
-            
-            Element conditionExprElement = UtilXml.firstChildElement(element, "condition-expr");
-            Element conditionListElement = UtilXml.firstChildElement(element, "condition-list");
-            if (conditionExprElement != null) {
-                this.whereCondition = new ViewConditionExpr(this, conditionExprElement);
-            } else if (conditionListElement != null) {
-                this.whereCondition = new ViewConditionList(this, conditionListElement);
-            }
-
-            Element havingConditionListElement = UtilXml.firstChildElement(element, "having-condition-list");
-            if (havingConditionListElement != null) {
-                this.havingCondition = new ViewConditionList(this, havingConditionListElement);
-            }
-        }
-        
-        public List<String> getOrderByList() {
-            return this.orderByList;
-        }
-        
-        public EntityCondition getWhereCondition(ModelFieldTypeReader modelFieldTypeReader, List<String> entityAliasStack) {
-            if (this.whereCondition != null) {
-                return this.whereCondition.createCondition(modelFieldTypeReader, entityAliasStack);
-            } else {
-                return null;
-            }
-        }
-        
-        public EntityCondition getHavingCondition(ModelFieldTypeReader modelFieldTypeReader, List<String> entityAliasStack) {
-            if (this.havingCondition != null) {
-                return this.havingCondition.createCondition(modelFieldTypeReader, entityAliasStack);
-            } else {
-                return null;
-            }
-        }
-    }
+    public void populateFields(ModelReader modelReader);
 
-    public static interface ViewCondition extends Serializable {
-        public EntityCondition createCondition(ModelFieldTypeReader modelFieldTypeReader, List<String> entityAliasStack);
-    }
+    public void populateFieldsBasic(ModelReader modelReader);
+
+    public void populateReverseLinks();
     
-    public static class ViewConditionExpr implements ViewCondition {
-        protected ViewEntityCondition viewEntityCondition;
-        protected String entityAlias;
-        protected String fieldName;
-        protected String operator;
-        protected String relEntityAlias;
-        protected String relFieldName;
-        protected Object value;
-        protected boolean ignoreCase;
-
-        public ViewConditionExpr(ViewEntityCondition viewEntityCondition, Element conditionExprElement) {
-            this.viewEntityCondition = viewEntityCondition;
-            this.entityAlias = conditionExprElement.getAttribute("entity-alias");
-            this.fieldName = conditionExprElement.getAttribute("field-name");
-
-            this.operator = UtilFormatOut.checkEmpty(conditionExprElement.getAttribute("operator"), "equals");
-            this.relEntityAlias = conditionExprElement.getAttribute("rel-entity-alias");
-            this.relFieldName = conditionExprElement.getAttribute("rel-field-name");
-            this.value = conditionExprElement.getAttribute("value");
-            this.ignoreCase = "true".equals(conditionExprElement.getAttribute("ignore-case"));
-            
-            // if we are in a view-link, default to the entity-alias and rel-entity-alias there
-            if (this.viewEntityCondition.modelViewLink != null) {
-                if (UtilValidate.isEmpty(this.entityAlias)) {
-                    this.entityAlias = this.viewEntityCondition.modelViewLink.getEntityAlias();
-                }
-                if (UtilValidate.isEmpty(this.relEntityAlias)) {
-                    this.relEntityAlias = this.viewEntityCondition.modelViewLink.getRelEntityAlias();
-                }
-            }
-        }
-        
-        public EntityCondition createCondition(ModelFieldTypeReader modelFieldTypeReader, List<String> entityAliasStack) {
-            EntityOperator<?> operator = EntityOperator.lookup(this.operator);
-            if (operator == null) {
-                throw new IllegalArgumentException("Could not find an entity operator for the name: " + this.operator);
-            }
-
-            // If IN or BETWEEN operator, see if value is a literal list and split it
-            if ((operator == EntityOperator.IN || operator == EntityOperator.BETWEEN)
-                    && value instanceof String) {
-                String delim = null;
-                if (((String)value).indexOf("|") >= 0) {
-                    delim = "|";
-                } else if (((String)value).indexOf(",") >= 0) {
-                    delim = ",";
-                }
-                if (UtilValidate.isNotEmpty(delim)) {
-                    value = StringUtil.split((String) value, delim);
-                }
-            }
-            
-            if(this.viewEntityCondition.modelViewEntity.getField(fieldName) == null) {
-                throw new IllegalArgumentException("Error in Entity Find: could not find field [" + fieldName + "] in entity with name [" + this.viewEntityCondition.modelViewEntity.getEntityName() + "]");
-            }
-
-            // don't convert the field to the desired type if this is an IN or BETWEEN operator and we have a Collection
-            if (!((operator == EntityOperator.IN || operator == EntityOperator.BETWEEN)
-                    && value instanceof Collection)) {
-                // now to a type conversion for the target fieldName
-                value = this.viewEntityCondition.modelViewEntity.convertFieldValue(this.viewEntityCondition.modelViewEntity.getField(fieldName), value, modelFieldTypeReader, FastMap.<String, Object>newInstance());
-            }
-
-            if (Debug.verboseOn()) Debug.logVerbose("Got value for fieldName [" + fieldName + "]: " + value, module);
-            
-            EntityConditionValue lhs = EntityFieldValue.makeFieldValue(this.fieldName, this.entityAlias, entityAliasStack, this.viewEntityCondition.modelViewEntity);
-            Object rhs = null;
-            if (value != null) {
-                rhs = value;
-            } else {
-                rhs = EntityFieldValue.makeFieldValue(this.relFieldName, this.relEntityAlias, entityAliasStack, this.viewEntityCondition.modelViewEntity);
-            }
-            
-            if (operator == EntityOperator.NOT_EQUAL && value != null) {
-                // since some databases don't consider nulls in != comparisons, explicitly include them
-                // this makes more sense logically, but if anyone ever needs it to not behave this way we should add an "or-null" attribute that is true by default
-                if (ignoreCase) {
-                    return EntityCondition.makeCondition(
-                            EntityCondition.makeCondition(EntityFunction.UPPER(lhs), (EntityComparisonOperator) operator, EntityFunction.UPPER(rhs)),
-                            EntityOperator.OR,
-                            EntityCondition.makeCondition(lhs, EntityOperator.EQUALS, null));
-                } else {
-                    return EntityCondition.makeCondition(
-                            EntityCondition.makeCondition(lhs, (EntityComparisonOperator) operator, rhs),
-                            EntityOperator.OR,
-                            EntityCondition.makeCondition(lhs, EntityOperator.EQUALS, null));
-                }
-            } else {
-                if (ignoreCase) {
-                    // use the stuff to upper case both sides
-                    return EntityCondition.makeCondition(EntityFunction.UPPER(lhs), (EntityComparisonOperator) operator, EntityFunction.UPPER(rhs));
-                } else {
-                    return EntityCondition.makeCondition(lhs, (EntityComparisonOperator) operator, rhs);
-                }
-            }
-        }
-    }
+    public void populateViewEntityConditionInformation(ModelFieldTypeReader modelFieldTypeReader, List<EntityCondition> whereConditions, List<EntityCondition> havingConditions, List<String> orderByList, List<String> entityAliasStack);
 
-    public static class ViewConditionList implements ViewCondition {
-        protected ViewEntityCondition viewEntityCondition;
-        List<ViewCondition> conditionList = new LinkedList<ViewCondition>();
-        String combine;
-
-        public ViewConditionList(ViewEntityCondition viewEntityCondition, Element conditionListElement) {
-            this.viewEntityCondition = viewEntityCondition;
-            this.combine = conditionListElement.getAttribute("combine");
-
-            List<? extends Element> subElements = UtilXml.childElementList(conditionListElement);
-            for (Element subElement: subElements) {
-                if ("condition-expr".equals(subElement.getNodeName())) {
-                    conditionList.add(new ViewConditionExpr(this.viewEntityCondition, subElement));
-                } else if ("condition-list".equals(subElement.getNodeName())) {
-                    conditionList.add(new ViewConditionList(this.viewEntityCondition, subElement));
-                } else {
-                    throw new IllegalArgumentException("Invalid element with name [" + subElement.getNodeName() + "] found under a condition-list element.");
-                }
-            }
-        }
-
-        public EntityCondition createCondition(ModelFieldTypeReader modelFieldTypeReader, List<String> entityAliasStack) {
-            if (this.conditionList.size() == 0) {
-                return null;
-            }
-            if (this.conditionList.size() == 1) {
-                ViewCondition condition = this.conditionList.get(0);
-                return condition.createCondition(modelFieldTypeReader, entityAliasStack);
-            }
-
-            List<EntityCondition> entityConditionList = FastList.<EntityCondition>newInstance();
-            for (ViewCondition curCondition: conditionList) {
-                EntityCondition econd = curCondition.createCondition(modelFieldTypeReader, entityAliasStack);
-                if (econd != null) {
-                    entityConditionList.add(econd);
-                }
-            }
-
-            EntityOperator<?> operator = EntityOperator.lookup(this.combine);
-            if (operator == null) {
-                throw new IllegalArgumentException("Could not find an entity operator for the name: " + operator);
-            }
+    public void removeMemberModelMemberEntity(String alias);
 
-            return EntityCondition.makeCondition(entityConditionList, (EntityJoinOperator) operator);
-        }
-    }
 }