oracle.cabo.ui.data.provider
Class CachingDataProvider

java.lang.Object
  |
  +--oracle.cabo.ui.data.provider.CachingDataProvider

All Implemented Interfaces:

DataProvider

public class CachingDataProvider

extends java.lang.Object

implements DataProvider

This class wraps a DataProvider and caches DataObjects returned by the getDataObject method.

Constructor Summary

CachingDataProvider(DataProvider provider)

Method Summary

void	cleanup(RenderingContext context) cleans up the wrapped DataProvider
DataObject	getDataObject(RenderingContext context, java.lang.String namespace, java.lang.String name) the internal cache is searched by namespace and name for the request before querying the DataProvider.
void	init(RenderingContext context) initializes the wrapped DataProvider

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CachingDataProvider

public CachingDataProvider(DataProvider provider)

Parameters:

provider - the DataProvider to wrap around and provide caching for.

Method Detail

getDataObject

public DataObject getDataObject(RenderingContext context,
                                java.lang.String namespace,
                                java.lang.String name)

the internal cache is searched by namespace and name for the request before querying the DataProvider. Note that the RenderingContext is ignored during the cache search.

Specified by:

getDataObject in interface DataProvider

See Also:

DataProvider

init

public void init(RenderingContext context)

initializes the wrapped DataProvider

Specified by:

init in interface DataProvider

See Also:

DataProvider

cleanup

public void cleanup(RenderingContext context)

cleans up the wrapped DataProvider

Specified by:

cleanup in interface DataProvider

See Also:

DataProvider