com.hazelcast.map.impl.MapKeySet Maven / Gradle / Ivy
/*
* 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.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.nio.serialization.Data;
import com.hazelcast.nio.serialization.IdentifiedDataSerializable;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;
public class MapKeySet implements IdentifiedDataSerializable {
private Set keySet;
public MapKeySet(Set keySet) {
this.keySet = keySet;
}
public MapKeySet() {
}
public Set getKeySet() {
return keySet;
}
@Override
public void writeData(ObjectDataOutput out) throws IOException {
int size = keySet.size();
out.writeInt(size);
for (Data o : keySet) {
out.writeData(o);
}
}
@Override
public void readData(ObjectDataInput in) throws IOException {
int size = in.readInt();
keySet = new HashSet(size);
for (int i = 0; i < size; i++) {
Data data = in.readData();
keySet.add(data);
}
}
@Override
public int getFactoryId() {
return MapDataSerializerHook.F_ID;
}
@Override
public int getId() {
return MapDataSerializerHook.KEY_SET;
}
}