com.hazelcast.cardinality.impl.operations.ReplicationOperation Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2021, 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.cardinality.impl.operations;
import com.hazelcast.cardinality.impl.CardinalityEstimatorContainer;
import com.hazelcast.cardinality.impl.CardinalityEstimatorDataSerializerHook;
import com.hazelcast.cardinality.impl.CardinalityEstimatorService;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.nio.serialization.IdentifiedDataSerializable;
import com.hazelcast.spi.impl.operationservice.Operation;
import java.io.IOException;
import java.util.Map;
import static com.hazelcast.internal.util.MapUtil.createHashMap;
public class ReplicationOperation
extends Operation
implements IdentifiedDataSerializable {
private Map migrationData;
public ReplicationOperation() {
}
public ReplicationOperation(Map migrationData) {
this.migrationData = migrationData;
}
@Override
public void run() throws Exception {
CardinalityEstimatorService service = getService();
for (Map.Entry entry : migrationData.entrySet()) {
String name = entry.getKey();
service.addCardinalityEstimator(name, entry.getValue());
}
}
@Override
public String getServiceName() {
return CardinalityEstimatorService.SERVICE_NAME;
}
@Override
public int getFactoryId() {
return CardinalityEstimatorDataSerializerHook.F_ID;
}
@Override
public int getClassId() {
return CardinalityEstimatorDataSerializerHook.REPLICATION;
}
@Override
protected void writeInternal(ObjectDataOutput out) throws IOException {
out.writeInt(migrationData.size());
for (Map.Entry entry : migrationData.entrySet()) {
out.writeString(entry.getKey());
out.writeObject(entry.getValue());
}
}
@Override
protected void readInternal(ObjectDataInput in) throws IOException {
int mapSize = in.readInt();
migrationData = createHashMap(mapSize);
for (int i = 0; i < mapSize; i++) {
String name = in.readString();
CardinalityEstimatorContainer newCont = in.readObject();
migrationData.put(name, newCont);
}
}
}