Methods Summary |
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public void | clear()
try {
Option option = new Option();
option.setDataVersion( NonLockingDataVersion.INSTANCE );
cache.remove( regionFqn, option );
}
catch (Exception e) {
throw new CacheException(e);
}
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public void | destroy()
try {
Option option = new Option();
option.setCacheModeLocal( true );
option.setFailSilently( true );
option.setDataVersion( NonLockingDataVersion.INSTANCE );
cache.remove( regionFqn, option );
}
catch( Exception e ) {
throw new CacheException( e );
}
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public java.lang.Object | get(java.lang.Object key)
try {
Option option = new Option();
option.setFailSilently( true );
// option.setDataVersion( NonLockingDataVersion.INSTANCE );
return cache.get( new Fqn( regionFqn, key ), ITEM, option );
}
catch (Exception e) {
throw new CacheException(e);
}
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public long | getElementCountInMemory()
try {
Set children = cache.getChildrenNames( regionFqn );
return children == null ? 0 : children.size();
}
catch (Exception e) {
throw new CacheException(e);
}
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public long | getElementCountOnDisk()
return 0;
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public java.lang.String | getRegionName()
return regionName;
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public long | getSizeInMemory()
return -1;
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public int | getTimeout()
return 600; //60 seconds
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public void | lock(java.lang.Object key)
throw new UnsupportedOperationException( "TreeCache is a fully transactional cache" + regionName );
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public long | nextTimestamp()
return System.currentTimeMillis() / 100;
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public void | put(java.lang.Object key, java.lang.Object value)
try {
log.trace( "performing put() into region [" + regionName + "]" );
// do the put outside the scope of the JTA txn
Option option = new Option();
option.setFailSilently( true );
option.setDataVersion( NonLockingDataVersion.INSTANCE );
cache.put( new Fqn( regionFqn, key ), ITEM, value, option );
}
catch (TimeoutException te) {
//ignore!
log.debug("ignoring write lock acquisition failure");
}
catch (Exception e) {
throw new CacheException(e);
}
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public java.lang.Object | read(java.lang.Object key)
try {
return cache.get( new Fqn( regionFqn, key ), ITEM );
}
catch (Exception e) {
throw new CacheException(e);
}
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public void | remove(java.lang.Object key)
try {
// tree cache in optimistic mode seems to have as very difficult
// time with remove calls on non-existent nodes (NPEs)...
if ( cache.get( new Fqn( regionFqn, key ), ITEM ) != null ) {
Option option = new Option();
option.setDataVersion( NonLockingDataVersion.INSTANCE );
cache.remove( new Fqn( regionFqn, key ), option );
}
else {
log.trace( "skipping remove() call as the underlying node did not seem to exist" );
}
}
catch (Exception e) {
throw new CacheException(e);
}
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public void | setSource(OptimisticCacheSource source)
this.source = source;
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public java.util.Map | toMap()
try {
Map result = new HashMap();
Set childrenNames = cache.getChildrenNames( regionFqn );
if (childrenNames != null) {
Iterator iter = childrenNames.iterator();
while ( iter.hasNext() ) {
Object key = iter.next();
result.put(
key,
cache.get( new Fqn( regionFqn, key ), ITEM )
);
}
}
return result;
}
catch (Exception e) {
throw new CacheException(e);
}
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public java.lang.String | toString()
return "OptimisticTreeCache(" + regionName + ')";
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public void | unlock(java.lang.Object key)
throw new UnsupportedOperationException( "TreeCache is a fully transactional cache: " + regionName );
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public void | update(java.lang.Object key, java.lang.Object value)
try {
Option option = new Option();
option.setDataVersion( NonLockingDataVersion.INSTANCE );
cache.put( new Fqn( regionFqn, key ), ITEM, value, option );
}
catch (Exception e) {
throw new CacheException(e);
}
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public void | writeInsert(java.lang.Object key, java.lang.Object value, java.lang.Object currentVersion)
writeUpdate( key, value, currentVersion, null );
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public void | writeLoad(java.lang.Object key, java.lang.Object value, java.lang.Object currentVersion)
try {
Option option = new Option();
option.setFailSilently( true );
option.setDataVersion( NonLockingDataVersion.INSTANCE );
cache.remove( new Fqn( regionFqn, key ), "ITEM", option );
option = new Option();
option.setFailSilently( true );
DataVersion dv = ( source != null && source.isVersioned() )
? new DataVersionAdapter( currentVersion, currentVersion, source.getVersionComparator(), source.toString() )
: NonLockingDataVersion.INSTANCE;
option.setDataVersion( dv );
cache.put( new Fqn( regionFqn, key ), ITEM, value, option );
}
catch (Exception e) {
throw new CacheException(e);
}
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public void | writeUpdate(java.lang.Object key, java.lang.Object value, java.lang.Object currentVersion, java.lang.Object previousVersion)
try {
Option option = new Option();
DataVersion dv = ( source != null && source.isVersioned() )
? new DataVersionAdapter( currentVersion, previousVersion, source.getVersionComparator(), source.toString() )
: NonLockingDataVersion.INSTANCE;
option.setDataVersion( dv );
cache.put( new Fqn( regionFqn, key ), ITEM, value, option );
}
catch ( Exception e ) {
throw new CacheException( e );
}
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