| /* |
| * 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.GemFireException; |
| import org.apache.geode.cache.CommitConflictException; |
| import org.apache.geode.cache.SynchronizationCommitConflictException; |
| import org.apache.geode.cache.client.ServerOperationException; |
| import org.apache.geode.internal.cache.TXCommitMessage; |
| import org.apache.geode.internal.cache.TXManagerImpl; |
| 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; |
| |
| /** |
| * TXSynchronizationOp sends JTA beforeCompletion and afterCompletion messages to the server pool. |
| * |
| * |
| */ |
| public class TXSynchronizationOp { |
| |
| public static enum CompletionType { |
| BEFORE_COMPLETION, AFTER_COMPLETION |
| } |
| |
| /** |
| * @param status - the status of an afterCompletion notification |
| * @param txId - the transaction identifier |
| * @param type - BEFORE_COMPLETION or AFTER_COMPLETION |
| * @return the server's commit message |
| */ |
| public static TXCommitMessage execute(InternalPool pool, int status, int txId, |
| CompletionType type) { |
| Impl impl = new Impl(status, txId, type); |
| pool.execute(impl); |
| return impl.tXCommitMessageResponse; |
| } |
| |
| static class Impl extends AbstractOp { |
| |
| private int status; |
| private CompletionType type; |
| TXCommitMessage tXCommitMessageResponse; |
| |
| public Impl(int status, int txId, CompletionType type) { |
| super(MessageType.TX_SYNCHRONIZATION, (type == CompletionType.AFTER_COMPLETION) ? 3 : 2); |
| this.status = status; |
| this.type = type; |
| getMessage().addIntPart(type.ordinal()); |
| getMessage().addIntPart(txId); |
| if (type == CompletionType.AFTER_COMPLETION) { |
| getMessage().addIntPart(status); |
| } |
| } |
| |
| @Override |
| public String toString() { |
| return "TXSynchronization(threadTxId=" + TXManagerImpl.getCurrentTXUniqueId() + "; " |
| + this.type + "; status=" + this.status + ")"; |
| } |
| |
| @Override |
| protected void processAck(Message msg, String opName) throws Exception { |
| final int msgType = msg.getMessageType(); |
| if (msgType == MessageType.REPLY) { |
| return; |
| } else { |
| Part part = msg.getPart(0); |
| if (msgType == MessageType.EXCEPTION) { |
| Throwable t = (Throwable) part.getObject(); |
| if (t instanceof CommitConflictException |
| || t instanceof SynchronizationCommitConflictException) { |
| throw (GemFireException) t; |
| } |
| } |
| super.processAck(msg, opName); |
| } |
| } |
| |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see |
| * org.apache.geode.cache.client.internal.AbstractOp#processResponse(org.apache.geode.internal. |
| * cache.tier.sockets.Message) |
| */ |
| @Override |
| protected Object processResponse(Message msg) throws Exception { |
| if (this.type == CompletionType.BEFORE_COMPLETION) { |
| try { |
| processAck(msg, type.toString()); |
| } catch (ServerOperationException e) { |
| if (e.getCause() instanceof SynchronizationCommitConflictException) { |
| throw (SynchronizationCommitConflictException) e.getCause(); |
| } |
| } |
| return null; |
| } else { |
| TXCommitMessage rcs = (TXCommitMessage) processObjResponse(msg, this.type.toString()); |
| this.tXCommitMessageResponse = rcs; |
| return rcs; |
| } |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.apache.geode.cache.client.internal.AbstractOp#isErrorResponse(int) |
| */ |
| @Override |
| protected boolean isErrorResponse(int msgType) { |
| return msgType == MessageType.REQUESTDATAERROR; |
| } |
| |
| @Override |
| protected long startAttempt(ConnectionStats stats) { |
| return stats.startTxSynchronization(); |
| } |
| |
| @Override |
| protected void endSendAttempt(ConnectionStats stats, long start) { |
| stats.endTxSynchronizationSend(start, hasFailed()); |
| } |
| |
| @Override |
| protected void endAttempt(ConnectionStats stats, long start) { |
| stats.endTxSynchronization(start, hasTimedOut(), hasFailed()); |
| } |
| |
| @Override |
| protected boolean needsUserId() { |
| return false; |
| } |
| |
| @Override |
| protected void sendMessage(Connection cnx) throws Exception { |
| getMessage().clearMessageHasSecurePartFlag(); |
| getMessage().send(false); |
| } |
| } |
| |
| } |