com.hazelcast.map.impl.MapKeySet Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of hazelcast-all Show documentation

Kubernetes Service Discovery for Hazelcast Discovery SPI

There is a newer version: 62

/*
 * Copyright (c) 2008-2019, 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.Set;

import static com.hazelcast.util.SetUtil.createHashSet;

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 = createHashSet(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;
    }
}