ScopedStoreEventDispatcher.java

/*
 * Copyright Terracotta, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.ehcache.impl.internal.events;

import org.ehcache.core.events.StoreEventSink;

/**
 * ScopedStoreEventDispatcher
 */
public class ScopedStoreEventDispatcher<K, V> extends AbstractStoreEventDispatcher<K, V> {


  public ScopedStoreEventDispatcher(int dispatcherConcurrency) {
    super(dispatcherConcurrency);
  }

  @Override
  public StoreEventSink<K, V> eventSink() {
    if (getListeners().isEmpty()) {
      @SuppressWarnings("unchecked")
      StoreEventSink<K, V> noOpEventSink = (StoreEventSink<K, V>) NO_OP_EVENT_SINK;
      return noOpEventSink;
    } else {
      return new InvocationScopedEventSink<K, V>(getFilters(), isEventOrdering(), getOrderedQueues(), getListeners());
    }
  }
}