curator-master/curator-recipes/src/main/java/org/apache/curator/framework/recipes/leader/Participant.java
/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.curator.framework.recipes.leader;

/**
 * Describes a participant in a leadership selection
 */
@SuppressWarnings({"RedundantIfStatement"})
public class Participant {
    private final String id;
    private final boolean isLeader;

    /**
     * @param id the ID
     * @param leader true if the leader
     */
    public Participant(String id, boolean leader) {
        this.id = id;
        isLeader = leader;
    }

    Participant() {
        this("", false);
    }

    /**
     * Returns the ID set via {@link LeaderSelector#setId(String)}
     *
     * @return id
     */
    public String getId() {
        return id;
    }

    /**
     * Returns true if this participant is the current leader
     *
     * @return true/false
     */
    public boolean isLeader() {
        return isLeader;
    }

    @Override
    public String toString() {
        return "Participant{" + "id='" + id + '\'' + ", isLeader=" + isLeader + '}';
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }

        Participant that = (Participant) o;

        if (isLeader != that.isLeader) {
            return false;
        }
        if (!id.equals(that.id)) {
            return false;
        }

        return true;
    }

    @Override
    public int hashCode() {
        int result = id.hashCode();
        result = 31 * result + (isLeader ? 1 : 0);
        return result;
    }
}
