| /* |
| * 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 java.util.Map; |
| |
| import org.apache.geode.InternalGemFireError; |
| import org.apache.geode.cache.client.ServerOperationException; |
| import org.apache.geode.internal.cache.tier.MessageType; |
| import org.apache.geode.internal.cache.tier.sockets.Message; |
| import org.apache.geode.internal.cache.tier.sockets.Part; |
| import org.apache.geode.pdx.internal.EnumInfo; |
| |
| /** |
| * Retrieve all known PDX types. |
| * |
| * @since GemFire 7.0 |
| */ |
| public class GetPDXEnumsOp { |
| |
| public static Map<Integer, EnumInfo> execute(ExecutablePool pool) { |
| AbstractOp op = new GetPDXEnumsOpImpl(); |
| return (Map<Integer, EnumInfo>) pool.execute(op); |
| } |
| |
| private GetPDXEnumsOp() { |
| // no instances allowed |
| } |
| |
| private static class GetPDXEnumsOpImpl extends AbstractOp { |
| public GetPDXEnumsOpImpl() { |
| super(MessageType.GET_PDX_ENUMS, 1); |
| getMessage().addIntPart(0); // must have at least one part |
| } |
| |
| @Override |
| protected Object processResponse(Message msg) throws Exception { |
| Part part = msg.getPart(0); |
| int msgType = msg.getMessageType(); |
| if (msgType == MessageType.RESPONSE) { |
| return (Map<Integer, EnumInfo>) part.getObject(); |
| |
| } else { |
| if (msgType == MessageType.EXCEPTION) { |
| String s = "While performing a remote " + "getPdxEnums"; |
| throw new ServerOperationException(s, (Throwable) part.getObject()); |
| |
| } else if (isErrorResponse(msgType)) { |
| throw new ServerOperationException(part.getString()); |
| |
| } else { |
| throw new InternalGemFireError( |
| "Unexpected message type " + MessageType.getString(msgType)); |
| } |
| } |
| } |
| |
| @Override |
| protected boolean isErrorResponse(int msgType) { |
| return false; |
| } |
| |
| @Override |
| protected long startAttempt(ConnectionStats stats) { |
| return 0; |
| } |
| |
| @Override |
| protected void endSendAttempt(ConnectionStats stats, long start) {} |
| |
| @Override |
| protected void endAttempt(ConnectionStats stats, long start) {} |
| |
| @Override |
| protected boolean participateInTransaction() { |
| return false; |
| } |
| |
| } |
| } |