/*
* 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.querycache.event;
import com.hazelcast.map.impl.event.EventData;
import com.hazelcast.nio.Address;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.nio.serialization.BinaryInterface;
import java.io.IOException;
/**
* {@link EventData} which is used only for the subscriber end of a query cache
* and only for query cache wide events like clearing all items together.
*
* For this reason, it is not sent over the wire and is used locally to query cache.
*
* Throws {@link UnsupportedOperationException} if one tries to serialize an instance of this class.
*/
@BinaryInterface
public class LocalCacheWideEventData implements EventData {
private final String source;
private final int eventType;
private final int numberOfEntriesAffected;
public LocalCacheWideEventData(String source, int eventType, int numberOfEntriesAffected) {
this.source = source;
this.eventType = eventType;
this.numberOfEntriesAffected = numberOfEntriesAffected;
}
public int getNumberOfEntriesAffected() {
return numberOfEntriesAffected;
}
@Override
public String getSource() {
return source;
}
@Override
public String getMapName() {
throw new UnsupportedOperationException();
}
@Override
public Address getCaller() {
throw new UnsupportedOperationException();
}
@Override
public int getEventType() {
return eventType;
}
@Override
public void writeData(ObjectDataOutput out) throws IOException {
throw new UnsupportedOperationException();
}
@Override
public void readData(ObjectDataInput in) throws IOException {
throw new UnsupportedOperationException();
}
@Override
public String toString() {
return "LocalCacheWideEventData{"
+ "eventType=" + eventType
+ ", source='" + source + '\''
+ ", numberOfEntriesAffected=" + numberOfEntriesAffected
+ '}';
}
}