| /** |
| * 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.zookeeper; |
| |
| import java.util.Collections; |
| import java.util.Map; |
| |
| import org.apache.camel.Message; |
| import org.apache.camel.impl.DefaultMessage; |
| import org.apache.zookeeper.WatchedEvent; |
| import org.apache.zookeeper.data.Stat; |
| |
| /** |
| * <code>ZooKeeperMessage</code> is a {@link org.apache.camel.Message} |
| * representing interactions with a ZooKeeper service. It contains a number of |
| * optional Header Constants that are used by the Producer and consumer |
| * mechanisms to finely control these interactions. |
| */ |
| public class ZooKeeperMessage extends DefaultMessage { |
| |
| public static final String ZOOKEEPER_NODE = "CamelZooKeeperNode"; |
| |
| public static final String ZOOKEEPER_NODE_VERSION = "CamelZooKeeperVersion"; |
| |
| public static final String ZOOKEEPER_ERROR_CODE = "CamelZooKeeperErrorCode"; |
| |
| public static final String ZOOKEEPER_ACL = "CamelZookeeperAcl"; |
| |
| public static final String ZOOKEEPER_CREATE_MODE = "CamelZookeeperCreateMode"; |
| |
| public static final String ZOOKEEPER_STATISTICS = "CamelZookeeperStatistics"; |
| |
| public static final String ZOOKEEPER_EVENT_TYPE = "CamelZookeeperEventType"; |
| |
| public static final String ZOOKEEPER_OPERATION = "CamelZookeeperOperation"; |
| |
| public ZooKeeperMessage(String node, Stat statistics, WatchedEvent watchedEvent) { |
| this(node, statistics, Collections.<String, Object>emptyMap(), watchedEvent); |
| } |
| |
| public ZooKeeperMessage(String node, Stat statistics, Map<String, Object> headers) { |
| this(node, statistics, headers, null); |
| } |
| |
| public ZooKeeperMessage(String node, Stat statistics, Map<String, Object> headers, WatchedEvent watchedEvent) { |
| setHeaders(headers); |
| this.setHeader(ZOOKEEPER_NODE, node); |
| this.setHeader(ZOOKEEPER_STATISTICS, statistics); |
| if (watchedEvent != null) { |
| this.setHeader(ZOOKEEPER_EVENT_TYPE, watchedEvent.getType()); |
| } |
| } |
| |
| public static Stat getStatistics(Message message) { |
| Stat stats = null; |
| if (message != null) { |
| stats = message.getHeader(ZOOKEEPER_STATISTICS, Stat.class); |
| } |
| return stats; |
| } |
| |
| public static String getPath(Message message) { |
| String path = null; |
| if (message != null) { |
| path = message.getHeader(ZOOKEEPER_NODE, String.class); |
| } |
| return path; |
| } |
| |
| |
| |
| } |