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https://issues.apache.org/jira/browse/TRINIDAD-2253?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jing Wu updated TRINIDAD-2253:
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Status: Patch Available (was: Open)
> Ability to synchronize UI view size with model cache size`
> ----------------------------------------------------------
>
> Key: TRINIDAD-2253
> URL: https://issues.apache.org/jira/browse/TRINIDAD-2253
> Project: MyFaces Trinidad
> Issue Type: Improvement
> Components: Components
> Affects Versions: 2.0.1-core
> Environment: this should be environment independent.
> Reporter: Jing Wu
> Priority: Minor
> Attachments: sync-trunk.patch
>
> Original Estimate: 168h
> Remaining Estimate: 168h
>
> For table/tree/treeTable, it's very possible that some rows on the client
> side may not be available in the model at server side. One example is when
> the model supports ranging and range size is relatively small. In that case,
> if one tries to access the row on client that's not available in the model,
> issues will arise.
> This enhancement is to provide the ability to synchronize the number of rows
> in the model with the number of rows at client, to make sure the model
> contains at least the same amount of rows as that on the client. The model
> can choose how to respond to size synchronization depending on it's own logic.
> public method syncNumRows() is added to UIXCollection to initiate the
> synchronization.
> /**
> * Synchronize the number of rows client and server cache. The server
> * should keep no less what what client caches.
> *
> * @param numRows the number of rows client holds
> */
> public void syncNumRows(int numRows)
> {
> getCollectionModel().syncNumRows(numRows);
> }
> The default implementation of syncNumRows on CollectionModel is to do nothing.
> /**
> * Synchronize the number of rows client and server cache. For collection
> models that
> * do paging, they should keep row cache no less that what client holds.
> *
> * @param numRows the number of rows client holds
> */
> public void syncNumRows(int numRows)
> {
> return;
> }
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