/*
* Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
*
* 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 com.hazelcast.map.impl;
import com.hazelcast.core.EntryEventType;
import com.hazelcast.core.EntryListener;
import com.hazelcast.core.IMapEvent;
import static com.hazelcast.util.Preconditions.isNotNull;
/**
* Internal-usage-only adapter which wraps all {@link EntryListener} interfaces
* into a {@link com.hazelcast.map.impl.ListenerAdapter}.
* <p/>
* Main purpose of this adapter is to avoid backward compatibility problems
* when one doesn't use a {@link com.hazelcast.map.listener.MapListener MapListener}
*/
class InternalEntryListenerAdapter implements ListenerAdapter<IMapEvent> {
private final ListenerAdapter[] listenerAdapters;
InternalEntryListenerAdapter(EntryListener listener) {
isNotNull(listener, "listener");
this.listenerAdapters = EntryListenerAdaptors.createListenerAdapters(listener);
}
@Override
public void onEvent(IMapEvent event) {
final EntryEventType eventType = event.getEventType();
final ListenerAdapter listenerAdapter = listenerAdapters[eventType.ordinal()];
if (listenerAdapter == null) {
return;
}
listenerAdapter.onEvent(event);
}
}