/*
* 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.catalina.tribes.membership;
import java.util.Properties;
import java.util.concurrent.ScheduledExecutorService;
import org.apache.catalina.tribes.Member;
import org.apache.catalina.tribes.MembershipListener;
import org.apache.catalina.tribes.MembershipProvider;
import org.apache.catalina.tribes.MembershipService;
public abstract class MembershipProviderBase implements MembershipProvider {
protected Membership membership;
protected MembershipListener membershipListener;
protected MembershipService service;
// The event notification executor
protected ScheduledExecutorService executor;
@Override
public void init(Properties properties) throws Exception {
}
@Override
public boolean hasMembers() {
if (membership == null) {
return false;
}
return membership.hasMembers();
}
@Override
public Member getMember(Member mbr) {
if (membership.getMembers() == null) {
return null;
}
return membership.getMember(mbr);
}
@Override
public Member[] getMembers() {
if (membership.getMembers() == null) {
return Membership.EMPTY_MEMBERS;
}
return membership.getMembers();
}
@Override
public void setMembershipListener(MembershipListener listener) {
this.membershipListener = listener;
}
@Override
public void setMembershipService(MembershipService service) {
this.service = service;
executor = service.getChannel().getUtilityExecutor();
}
}