| /* |
| * 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.geode.cache.client.internal; |
| |
| import org.apache.geode.internal.cache.tier.MessageType; |
| import org.apache.geode.internal.cache.tier.sockets.Message; |
| |
| /** |
| * Does a region containsKey on a server |
| * |
| * @since GemFire 5.7 |
| */ |
| public class ContainsKeyOp { |
| /** |
| * Does a region entry containsKey on a server using connections from the given pool to |
| * communicate with the server. |
| * |
| * @param pool the pool to use to communicate with the server. |
| * @param region the name of the region to do the entry containsKey on |
| * @param key the entry key to do the containsKey on |
| * @return the result of invoking containsKey on the server |
| */ |
| public static boolean execute(ExecutablePool pool, String region, Object key, MODE mode) { |
| AbstractOp op = new ContainsKeyOpImpl(region, key, mode); |
| Boolean result = (Boolean) pool.execute(op); |
| return result.booleanValue(); |
| } |
| |
| private ContainsKeyOp() { |
| // no instances allowed |
| } |
| |
| private static class ContainsKeyOpImpl extends AbstractOp { |
| |
| private String region; |
| private Object key; |
| private final MODE mode; |
| |
| /** |
| * @throws org.apache.geode.SerializationException if serialization fails |
| */ |
| public ContainsKeyOpImpl(String region, Object key, MODE mode) { |
| super(MessageType.CONTAINS_KEY, 3); |
| getMessage().addStringPart(region, true); |
| getMessage().addStringOrObjPart(key); |
| getMessage().addIntPart(mode.ordinal()); |
| this.region = region; |
| this.key = key; |
| this.mode = mode; |
| } |
| |
| @Override |
| protected Object processResponse(Message msg) throws Exception { |
| return processObjResponse(msg, "containsKey"); |
| } |
| |
| @Override |
| protected boolean isErrorResponse(int msgType) { |
| return msgType == MessageType.CONTAINS_KEY_DATA_ERROR; |
| } |
| |
| @Override |
| protected long startAttempt(ConnectionStats stats) { |
| return stats.startContainsKey(); |
| } |
| |
| @Override |
| protected void endSendAttempt(ConnectionStats stats, long start) { |
| stats.endContainsKeySend(start, hasFailed()); |
| } |
| |
| @Override |
| protected void endAttempt(ConnectionStats stats, long start) { |
| stats.endContainsKey(start, hasTimedOut(), hasFailed()); |
| } |
| |
| @Override |
| public String toString() { |
| return "ContainsKeyOp(region=" + region + ";key=" + key + ";mode=" + mode; |
| } |
| } |
| |
| public enum MODE { |
| KEY, VALUE_FOR_KEY, VALUE; |
| } |
| } |