@Override
public Object visitClearCommand(InvocationContext ctx, ClearCommand command) throws Throwable {
// This method is called when somebody calls a cache.clear() and we will need to wipe everything
// in the indexes.
Object returnValue = invokeNextInterceptor(ctx, command);
if (shouldModifyIndexes(ctx)) {
if (getLog().isTraceEnabled())
getLog().trace("shouldModifyIndexes() is true and we can clear the indexes");
for (Class c : this.knownClasses.keySet()) {
EntityIndexBinder binder = this.searchFactory.getIndexBindingForEntity(c);
if (binder != null) { // check as not all known classes are indexed
searchFactory
.getWorker()
.performWork(
new Work<Object>(c, (Serializable) null, WorkType.PURGE_ALL),
new TransactionalEventTransactionContext(
transactionManager, transactionSynchronizationRegistry));
}
}
}
return returnValue;
}
protected void updateIndexes(Object value, Object key) {
// The key here is the String representation of the key that is stored in the cache.
// The key is going to be the documentID for Lucene.
// The object parameter is the actual value that needs to be removed from lucene.
if (value == null) throw new NullPointerException("Cannot handle a null value!");
TransactionContext transactionContext =
new TransactionalEventTransactionContext(
transactionManager, transactionSynchronizationRegistry);
searchFactory
.getWorker()
.performWork(
new Work<Object>(value, keyToString(key), WorkType.UPDATE), transactionContext);
}
