| /* |
| * 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.internal.cache.execute; |
| |
| import org.apache.logging.log4j.Logger; |
| |
| import org.apache.geode.cache.execute.Function; |
| import org.apache.geode.cache.execute.FunctionException; |
| import org.apache.geode.cache.execute.ResultCollector; |
| import org.apache.geode.cache.query.QueryException; |
| import org.apache.geode.distributed.DistributedMember; |
| import org.apache.geode.distributed.internal.DistributionManager; |
| import org.apache.geode.internal.cache.ForceReattemptException; |
| import org.apache.geode.internal.cache.MemberFunctionStreamingMessage; |
| import org.apache.geode.internal.cache.execute.metrics.FunctionStatsManager; |
| import org.apache.geode.logging.internal.log4j.api.LogService; |
| |
| public class MemberFunctionResultSender implements InternalResultSender { |
| |
| private static final Logger logger = LogService.getLogger(); |
| |
| MemberFunctionStreamingMessage msg = null; |
| |
| private final DistributionManager dm; |
| |
| private ResultCollector rc; |
| |
| private final Function function; |
| |
| private boolean localLastResultReceived = false; |
| |
| private boolean onlyLocal = false; |
| |
| private boolean onlyRemote = false; |
| |
| private boolean completelyDoneFromRemote = false; |
| private boolean enableOrderedResultStreming; |
| |
| private ServerToClientFunctionResultSender serverSender; |
| |
| /** |
| * Have to combine next two construcotr in one and make a new class which will send Results back. |
| * |
| */ |
| public MemberFunctionResultSender(DistributionManager dm, MemberFunctionStreamingMessage msg, |
| Function function) { |
| this.msg = msg; |
| this.dm = dm; |
| this.function = function; |
| |
| } |
| |
| /** |
| * Have to combine next two construcotr in one and make a new class which will send Results back. |
| * |
| */ |
| public MemberFunctionResultSender(DistributionManager dm, ResultCollector rc, Function function, |
| boolean onlyLocal, boolean onlyRemote, ServerToClientFunctionResultSender sender) { |
| this.dm = dm; |
| this.rc = rc; |
| this.function = function; |
| this.onlyLocal = onlyLocal; |
| this.onlyRemote = onlyRemote; |
| this.serverSender = sender; |
| } |
| |
| @Override |
| public void lastResult(Object oneResult) { |
| if (!this.function.hasResult()) { |
| throw new IllegalStateException( |
| String.format("Cannot %s result as the Function#hasResult() is false", |
| "send")); |
| } |
| if (this.serverSender != null) { // client-server |
| if (this.localLastResultReceived) { |
| return; |
| } |
| if (onlyLocal) { |
| this.serverSender.lastResult(oneResult); |
| this.rc.endResults(); |
| this.localLastResultReceived = true; |
| } else { |
| lastResult(oneResult, rc, false, true, this.dm.getId()); |
| } |
| } else { // P2P |
| if (this.msg != null) { |
| try { |
| this.msg.sendReplyForOneResult(dm, oneResult, true, enableOrderedResultStreming); |
| } catch (QueryException e) { |
| throw new FunctionException(e); |
| } catch (ForceReattemptException e) { |
| throw new FunctionException(e); |
| } catch (InterruptedException e) { |
| throw new FunctionException(e); |
| } |
| } else { |
| if (this.localLastResultReceived) { |
| return; |
| } |
| if (onlyLocal) { |
| this.rc.addResult(this.dm.getDistributionManagerId(), oneResult); |
| this.rc.endResults(); |
| this.localLastResultReceived = true; |
| } else { |
| // call a synchronized method as local node is also waiting to send lastResult |
| lastResult(oneResult, rc, false, true, this.dm.getDistributionManagerId()); |
| } |
| FunctionStatsManager.getFunctionStats(function.getId(), this.dm.getSystem()) |
| .incResultsReceived(); |
| } |
| } |
| FunctionStatsManager.getFunctionStats(function.getId(), this.dm.getSystem()) |
| .incResultsReturned(); |
| } |
| |
| private synchronized void lastResult(Object oneResult, ResultCollector collector, |
| boolean lastRemoteResult, boolean lastLocalResult, DistributedMember memberID) { |
| |
| if (lastRemoteResult) { |
| this.completelyDoneFromRemote = true; |
| } |
| if (lastLocalResult) { |
| this.localLastResultReceived = true; |
| |
| } |
| if (this.serverSender != null) { // Client-Server |
| if (this.completelyDoneFromRemote && this.localLastResultReceived) { |
| this.serverSender.lastResult(oneResult, memberID); |
| collector.endResults(); |
| } else { |
| this.serverSender.sendResult(oneResult, memberID); |
| } |
| } else { // P2P |
| if (this.completelyDoneFromRemote && this.localLastResultReceived) { |
| collector.addResult(memberID, oneResult); |
| collector.endResults(); |
| } else { |
| collector.addResult(memberID, oneResult); |
| } |
| } |
| } |
| |
| public void lastResult(Object oneResult, boolean completelyDone, ResultCollector reply, |
| DistributedMember memberID) { |
| if (this.serverSender != null) { // Client-Server |
| if (completelyDone) { |
| if (onlyRemote) { |
| this.serverSender.lastResult(oneResult, memberID); |
| reply.endResults(); |
| } else { |
| lastResult(oneResult, reply, true, false, memberID); |
| } |
| } else { |
| this.serverSender.sendResult(oneResult, memberID); |
| } |
| } else { // P2P |
| if (completelyDone) { |
| if (this.onlyRemote) { |
| reply.addResult(memberID, oneResult); |
| reply.endResults(); |
| } else { |
| // call a synchronized method as local node is also waiting to send lastResult |
| lastResult(oneResult, reply, true, false, memberID); |
| } |
| } else { |
| reply.addResult(memberID, oneResult); |
| } |
| FunctionStatsManager.getFunctionStats(function.getId(), this.dm.getSystem()) |
| .incResultsReceived(); |
| } |
| FunctionStatsManager.getFunctionStats(function.getId(), this.dm.getSystem()) |
| .incResultsReturned(); |
| } |
| |
| @Override |
| public void sendResult(Object oneResult) { |
| if (!this.function.hasResult()) { |
| throw new IllegalStateException( |
| String.format("Cannot %s result as the Function#hasResult() is false", |
| "send")); |
| } |
| if (this.serverSender != null) { // Client-Server |
| if (logger.isDebugEnabled()) { |
| logger.debug("MemberFunctionResultSender sending result from local node to client {}", |
| oneResult); |
| } |
| this.serverSender.sendResult(oneResult); |
| } else { // P2P |
| if (this.msg != null) { |
| try { |
| this.msg.sendReplyForOneResult(dm, oneResult, false, enableOrderedResultStreming); |
| } catch (QueryException e) { |
| throw new FunctionException(e); |
| } catch (ForceReattemptException e) { |
| throw new FunctionException(e); |
| } catch (InterruptedException e) { |
| throw new FunctionException(e); |
| } |
| } else { |
| this.rc.addResult(this.dm.getDistributionManagerId(), oneResult); |
| FunctionStatsManager.getFunctionStats(function.getId(), this.dm.getSystem()) |
| .incResultsReceived(); |
| } |
| // incrementing result sent stats. |
| FunctionStatsManager.getFunctionStats(function.getId(), this.dm.getSystem()) |
| .incResultsReturned(); |
| } |
| } |
| |
| |
| @Override |
| public void sendException(Throwable exception) { |
| InternalFunctionException iFunxtionException = new InternalFunctionException(exception); |
| this.lastResult(iFunxtionException); |
| this.localLastResultReceived = true; |
| } |
| |
| @Override |
| public void setException(Throwable exception) { |
| ((LocalResultCollector) this.rc).setException(exception); |
| // this.lastResult(exception); |
| logger.info("Unexpected exception during function execution local member", |
| exception); |
| this.rc.endResults(); |
| this.localLastResultReceived = true; |
| } |
| |
| @Override |
| public void enableOrderedResultStreming(boolean enable) { |
| this.enableOrderedResultStreming = enable; |
| } |
| |
| @Override |
| public boolean isLocallyExecuted() { |
| return this.msg == null; |
| } |
| |
| @Override |
| public boolean isLastResultReceived() { |
| return this.localLastResultReceived; |
| } |
| } |