| /** |
| * 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.camel.component.hazelcast.instance; |
| |
| import com.hazelcast.core.Hazelcast; |
| import com.hazelcast.core.MembershipEvent; |
| import com.hazelcast.core.MembershipListener; |
| |
| import org.apache.camel.Exchange; |
| import org.apache.camel.Processor; |
| import org.apache.camel.component.hazelcast.HazelcastComponentHelper; |
| import org.apache.camel.component.hazelcast.HazelcastConstants; |
| import org.apache.camel.impl.DefaultConsumer; |
| import org.apache.camel.impl.DefaultEndpoint; |
| |
| public class HazelcastInstanceConsumer extends DefaultConsumer { |
| |
| public HazelcastInstanceConsumer(DefaultEndpoint endpoint, Processor processor) { |
| super(endpoint, processor); |
| |
| Hazelcast.getCluster().addMembershipListener(new HazelcastMembershipListener()); |
| } |
| |
| class HazelcastMembershipListener implements MembershipListener { |
| |
| public void memberAdded(MembershipEvent event) { |
| this.sendExchange(event, HazelcastConstants.ADDED); |
| } |
| |
| public void memberRemoved(MembershipEvent event) { |
| this.sendExchange(event, HazelcastConstants.REMOVED); |
| } |
| |
| private void sendExchange(MembershipEvent event, String action) { |
| Exchange exchange = getEndpoint().createExchange(); |
| |
| HazelcastComponentHelper.setListenerHeaders(exchange, HazelcastConstants.INSTANCE_LISTENER, action); |
| |
| // instance listener header values |
| exchange.getOut().setHeader(HazelcastConstants.INSTANCE_HOST, event.getMember().getInetSocketAddress().getHostName()); |
| exchange.getOut().setHeader(HazelcastConstants.INSTANCE_PORT, event.getMember().getInetSocketAddress().getPort()); |
| |
| try { |
| getProcessor().process(exchange); |
| } catch (Exception e) { |
| if (exchange.getException() != null) { |
| getExceptionHandler().handleException("Error processing exchange for hazelcast consumer on your Hazelcast cluster.", exchange, exchange.getException()); |
| } |
| } |
| } |
| |
| } |
| |
| } |