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The official Couchbase JVM Core IO Library
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/**
 * Copyright (c) 2015 Couchbase, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALING
 * IN THE SOFTWARE.
 */
package com.couchbase.client.core.config;

import com.couchbase.client.deps.com.fasterxml.jackson.annotation.JsonIgnoreProperties;
import com.couchbase.client.deps.com.fasterxml.jackson.annotation.JsonProperty;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

/**
 * Represents the partition information for a bucket.
 *
 * @author Michael Nitschinger
 * @since 2.1.0
 */
@JsonIgnoreProperties(ignoreUnknown = true)
public class CouchbasePartitionInfo {

    private final int numberOfReplicas;
    private final String[] partitionHosts;
    private final List partitions;
    private final boolean tainted;

    CouchbasePartitionInfo(
        @JsonProperty("numReplicas") int numberOfReplicas,
        @JsonProperty("serverList") List partitionHosts,
        @JsonProperty("vBucketMap") List> partitions,
        @JsonProperty("vBucketMapForward") List> forwardPartitions) {
        this.numberOfReplicas = numberOfReplicas;
        trimPort(partitionHosts);
        this.partitionHosts = partitionHosts.toArray(new String[partitionHosts.size()]);
        this.partitions = fromPartitionList(partitions);
        this.tainted = forwardPartitions != null && !forwardPartitions.isEmpty();
    }

    public int numberOfReplicas() {
        return numberOfReplicas;
    }

    public String[] partitionHosts() {
        return partitionHosts;
    }

    public List partitions() {
        return partitions;
    }

    public boolean tainted() {
        return tainted;
    }

    private static void trimPort(List input) {
        for (int i = 0; i < input.size(); i++) {
            String[] parts =  input.get(i).split(":");
            input.set(i, parts[0]);
        }
    }

    private static List fromPartitionList(List> input) {
        List partitions = new ArrayList();
        if (input == null) {
            return partitions;
        }

        for (List partition : input) {
            short master = partition.remove(0);
            short[] replicas = new short[partition.size()];
            int i = 0;
            for (short replica : partition) {
                replicas[i++] = replica;
            }
            partitions.add(new DefaultPartition(master, replicas));
        }
        return partitions;
    }

    @Override
    public String toString() {
        return "PartitionInfo{"
            + "numberOfReplicas=" + numberOfReplicas
            + ", partitionHosts=" + Arrays.toString(partitionHosts)
            + ", partitions=" + partitions
            + ", tainted=" + tainted
            + '}';
    }
}