DefaultPartition.java

/*
 * Copyright (c) 2016 Couchbase, Inc.
 *
 * 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.couchbase.client.core.config;

import java.util.Arrays;

public class DefaultPartition implements Partition {

    private final short master;
    private final short[] replicas;

    /**
     * Creates a new {@link DefaultPartition}.
     *
     * @param master the array index of the master
     * @param replicas the array indexes of the replicas.
     */
    public DefaultPartition(short master, short[] replicas) {
        this.master = master;
        this.replicas = replicas;
    }

    @Override
    public short master() {
        return master;
    }

    @Override
    public short replica(int num) {
        if (num >= replicas.length) {
            return -2;
        }
        return replicas[num];
    }

    @Override
    public String toString() {
        return "[m: " + master + ", r: " + Arrays.toString(replicas) + "]";
    }
}