Here is the test to which I refer, which works (from the Hibernate test suite):
| public void testNoVersioningProvided() throws Throwable {
| // note : mimic query cache interactions...
| Fqn fqn = Fqn.fromString( "org/hibernate/querycache" );
| TreeCache treeCache = ( ( OptimisticTreeCacheProvider )
sfi().getSettings().getCacheProvider() ).getUnderlyingCache();
|
| Long long1 = new Long(1);
| Long long2 = new Long(2);
|
| Option option = new Option();
| option.setFailSilently( true );
|
| try {
| System.out.println( "****** General put...
*******************************************" );
| DummyTransactionManager.INSTANCE.begin();
| treeCache.put( fqn, "ITEM1", long1, option );
| DummyTransactionManager.INSTANCE.commit();
| System.out.println( "****** General put...
*******************************************" );
| DummyTransactionManager.INSTANCE.begin();
| treeCache.put( fqn, "ITEM1", long2, option );
| DummyTransactionManager.INSTANCE.commit();
|
| System.out.println( "****** General put...
*******************************************" );
| DummyTransactionManager.INSTANCE.begin();
| treeCache.put( fqn, "ITEM2", long1, option );
| DummyTransactionManager.INSTANCE.commit();
|
| // try puts outside scope of transaction...
| System.out.println( "****** No-txn put...
*******************************************" );
| treeCache.put( fqn, "ITEM1", long2, option );
| System.out.println( "****** No-txn put...
*******************************************" );
| treeCache.put( fqn, "ITEM2", long2, option );
|
| // actual processing in handling a cached query
| System.out.println( "****** actual query cache put
logic ****************************" );
| DummyTransactionManager.INSTANCE.begin();
| if ( treeCache.get( fqn, "ITEM3", option ) == null ) {
| // run the query, then put...
| treeCache.put( fqn, "ITEM3", long1, option );
| }
| System.out.println( "****** actual query cache put
logic ****************************" );
| if ( treeCache.get( fqn, "ITEM3", option ) == null ) {
| // run the query, then put...
| treeCache.put( fqn, "ITEM3", long1, option );
| }
| DummyTransactionManager.INSTANCE.commit();
|
| // actual processing in handling a cached query (no txn)
| System.out.println( "****** actual query cache put
logic ****************************" );
| if ( treeCache.get( fqn, "ITEM3", option ) == null ) {
| // run the query, then put...
| treeCache.put( fqn, "ITEM3", long1, option );
| }
| System.out.println( "****** actual query cache put
logic ****************************" );
| if ( treeCache.get( fqn, "ITEM3", option ) == null ) {
| // run the query, then put...
| treeCache.put( fqn, "ITEM3", long1, option );
| }
| }
| finally {
| try {
| treeCache.remove( fqn, "ITEM1", option );
| treeCache.remove( fqn, "ITEM2", option );
| treeCache.remove( fqn, "ITEM3", option );
| }
| catch( Throwable ignore ) {
| }
| }
| }
|
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