/*
 * 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.replicatedmap.impl.client;

import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.nio.serialization.Data;
import com.hazelcast.nio.serialization.Portable;
import com.hazelcast.nio.serialization.PortableReader;
import com.hazelcast.nio.serialization.PortableWriter;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

/**
 * Class to implement a replicated map keySet result
 */
public class ReplicatedMapKeys implements Portable {

    private List<Data> keys;

    public ReplicatedMapKeys() {
        this.keys = new ArrayList<Data>();
    }

    public ReplicatedMapKeys(List<Data> keys) {
        this.keys = keys;
    }

    public List<Data> getKeys() {
        return keys;
    }

    @Override
    public void writePortable(PortableWriter writer) throws IOException {
        writer.writeInt("size", keys.size());
        ObjectDataOutput out = writer.getRawDataOutput();
        for (Data key : keys) {
            out.writeData(key);
        }
    }

    @Override
    public void readPortable(PortableReader reader) throws IOException {
        int size = reader.readInt("size");
        ObjectDataInput in = reader.getRawDataInput();
        keys = new ArrayList<Data>(size);
        for (int i = 0; i < size; i++) {
            keys.add(in.readData());
        }
    }

    @Override
    public int getFactoryId() {
        return ReplicatedMapPortableHook.F_ID;
    }

    @Override
    public int getClassId() {
        return ReplicatedMapPortableHook.MAP_KEY_SET;
    }
}