org.apache.activemq.artemis.core.remoting.impl.invm.InVMRegistry Maven / Gradle / Ivy
/*
* 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.activemq.artemis.core.remoting.impl.invm;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import org.apache.activemq.artemis.core.server.ActiveMQMessageBundle;
public final class InVMRegistry {
public static final InVMRegistry instance = new InVMRegistry();
private final ConcurrentMap acceptors = new ConcurrentHashMap<>();
public void registerAcceptor(final int id, final InVMAcceptor acceptor) {
if (acceptors.putIfAbsent(id, acceptor) != null) {
throw ActiveMQMessageBundle.BUNDLE.acceptorExists(id);
}
}
public void unregisterAcceptor(final int id) {
if (acceptors.remove(id) == null) {
throw ActiveMQMessageBundle.BUNDLE.acceptorNotExists(id);
}
}
public InVMAcceptor getAcceptor(final int id) {
return acceptors.get(id);
}
public void clear() {
acceptors.clear();
}
public int size() {
return acceptors.size();
}
}