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Posted to dev@isis.apache.org by "Kevin Meyer (Created) (JIRA)" <ji...@apache.org> on 2012/03/24 16:06:27 UTC

[jira] [Created] (ISIS-220) Add "Paging" support to Objectstore API

Add "Paging" support to Objectstore API
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                 Key: ISIS-220
                 URL: https://issues.apache.org/jira/browse/ISIS-220
             Project: Isis
          Issue Type: New Feature
          Components: Runtimes: Dflt: Objectstores: Dflt
    Affects Versions: 0.3.0-incubating
            Reporter: Kevin Meyer


The org.apache.isis.runtimes.dflt.runtime.persistence.objectstore.ObjectStorePersistence method "boolean hasInstances(ObjectSpecification specification);" could do with a "boolean hasInstances(ObjectSpecification specification, final int start, final int count);" method to support paging through results.

This impacts all object stores. 

The "org.apache.isis.applib.AbstractContainedObject" and "org.apache.isis.applib.DomainObjectContainer" methods "protected <T> List<T> allInstances(final Class<T> ofType)" and all the "allMatches(*)" should also get paging equivalents. This will expose paging to services and all POJOs via the inject DomainObjectContainer container.

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