[jira] [Created] (OFBIZ-4307) New method to filter one field from a list of GenericValues (to a List of Strings)

[Nicolas Malin (Jira)]

New method to filter one field from a list of GenericValues (to a List of Strings)
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                 Key: OFBIZ-4307
                 URL: https://issues.apache.org/jira/browse/OFBIZ-4307
             Project: OFBiz
          Issue Type: Improvement
          Components: framework
    Affects Versions: SVN trunk
            Reporter: Mirko Vogelsmeier
            Priority: Minor


Hi there,

in the past i often got Lists of GenericValues that only contained a GenericValue with one field each, because the delegator already filtered the result.
Like you want to filter "orderHeader" for a service to work with the orderId. In this case you got a list of GenericValues with only the field "orderId". But to work with the List you still always have to do .get to extract the one field.

I added a method that is able to filter a List<GenericValue> to a List<String>.

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[Nicolas Malin (Jira)]

     [ https://issues.apache.org/jira/browse/OFBIZ-4307?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mirko Vogelsmeier updated OFBIZ-4307:
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    Attachment: EntityUtil.java.patch

If you like this patch here are some other thoughts: How do you like a more generic Method that does not require a "fieldName" but just a GenericValue with one field?

> New method to filter one field from a list of GenericValues (to a List of Strings)
> ----------------------------------------------------------------------------------
>
>                 Key: OFBIZ-4307
>                 URL: https://issues.apache.org/jira/browse/OFBIZ-4307
>             Project: OFBiz
>          Issue Type: Improvement
>          Components: framework
>    Affects Versions: SVN trunk
>            Reporter: Mirko Vogelsmeier
>            Priority: Minor
>         Attachments: EntityUtil.java.patch
>
>
> Hi there,
> in the past i often got Lists of GenericValues that only contained a GenericValue with one field each, because the delegator already filtered the result.
> Like you want to filter "orderHeader" for a service to work with the orderId. In this case you got a list of GenericValues with only the field "orderId". But to work with the List you still always have to do .get to extract the one field.
> I added a method that is able to filter a List<GenericValue> to a List<String>.

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[Nicolas Malin (Jira)]

     [ https://issues.apache.org/jira/browse/OFBIZ-4307?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Scott Gray closed OFBIZ-4307.
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    Resolution: Not A Problem

Hi Mirko, thanks for your contribution but I'm afraid there is already a method in EntityUtil that performs the same function.  see getFieldListFromEntityList(...).

> New method to filter one field from a list of GenericValues (to a List of Strings)
> ----------------------------------------------------------------------------------
>
>                 Key: OFBIZ-4307
>                 URL: https://issues.apache.org/jira/browse/OFBIZ-4307
>             Project: OFBiz
>          Issue Type: Improvement
>          Components: framework
>    Affects Versions: SVN trunk
>            Reporter: Mirko Vogelsmeier
>            Priority: Minor
>         Attachments: EntityUtil.java.patch
>
>
> Hi there,
> in the past i often got Lists of GenericValues that only contained a GenericValue with one field each, because the delegator already filtered the result.
> Like you want to filter "orderHeader" for a service to work with the orderId. In this case you got a list of GenericValues with only the field "orderId". But to work with the List you still always have to do .get to extract the one field.
> I added a method that is able to filter a List<GenericValue> to a List<String>.

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