modules/clustering/src/org/apache/axis2/clustering/control/wka/MemberJoinedCommand.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.axis2.clustering.control.wka;

import org.apache.axis2.clustering.ClusteringFault;
import org.apache.axis2.clustering.control.ControlCommand;
import org.apache.axis2.clustering.tribes.MembershipManager;
import org.apache.axis2.context.ConfigurationContext;
import org.apache.catalina.tribes.Member;

import java.util.Arrays;

/**
 * This is the notification message a member will send to all others in the group after it has
 * joined the group. When the other members received this message, they will add the newly joined
 * member to their member list
 */
public class MemberJoinedCommand extends ControlCommand {

    private static final long serialVersionUID = -6596472883950279349L;
    private Member member;
    private transient MembershipManager membershipManager;

    public void setMembershipManager(MembershipManager membershipManager) {
        this.membershipManager = membershipManager;
    }

    public void setMember(Member member) {
        this.member = member;
    }

    public Member getMember() {
        return member;
    }

    public void execute(ConfigurationContext configurationContext) throws ClusteringFault {
        Member localMember = membershipManager.getLocalMember();
        if (localMember == null || !(Arrays.equals(localMember.getHost(), member.getHost()) &&
              localMember.getPort() == member.getPort())) {
            membershipManager.memberAdded(member);
        }
    }

    public String toString() {
        return "MemberJoinedCommand: " + member;
    }
}