/*
* 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
*/
package org.apache.catalina.tribes.group.interceptors;
import org.apache.catalina.tribes.ChannelMessage;
import org.apache.catalina.tribes.Member;
import org.apache.catalina.tribes.group.ChannelInterceptorBase;
import org.apache.catalina.tribes.membership.MemberImpl;
import org.apache.catalina.tribes.membership.Membership;
import java.util.Arrays;
/**
* <p>Title: Member domain filter interceptor </p>
*
* <p>Description: Filters membership based on domain.
* </p>
*
* @author Filip Hanik
* @version 1.0
*/
public class DomainFilterInterceptor extends ChannelInterceptorBase {
private static org.apache.commons.logging.Log log = org.apache.commons.logging.LogFactory.getLog( DomainFilterInterceptor.class );
protected Membership membership = null;
protected byte[] domain = new byte[0];
public void messageReceived(ChannelMessage msg) {
//should we filter incoming based on domain?
super.messageReceived(msg);
}//messageReceived
public void memberAdded(Member member) {
if ( membership == null ) setupMembership();
boolean notify = false;
synchronized (membership) {
notify = Arrays.equals(domain,member.getDomain());
if ( notify ) notify = membership.memberAlive((MemberImpl)member);
}
if ( notify ) super.memberAdded(member);
}
public void memberDisappeared(Member member) {
if ( membership == null ) setupMembership();
boolean notify = false;
synchronized (membership) {
notify = Arrays.equals(domain,member.getDomain());
membership.removeMember((MemberImpl)member);
}
if ( notify ) super.memberDisappeared(member);
}
public boolean hasMembers() {
if ( membership == null ) setupMembership();
return membership.hasMembers();
}
public Member[] getMembers() {
if ( membership == null ) setupMembership();
return membership.getMembers();
}
public Member getMember(Member mbr) {
if ( membership == null ) setupMembership();
return membership.getMember(mbr);
}
public Member getLocalMember(boolean incAlive) {
return super.getLocalMember(incAlive);
}
protected synchronized void setupMembership() {
if ( membership == null ) {
membership = new Membership((MemberImpl)super.getLocalMember(true));
}
}
public byte[] getDomain() {
return domain;
}
public void setDomain(byte[] domain) {
this.domain = domain;
}
}