| /* |
| * 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.tier.sockets.command; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.apache.geode.annotations.Immutable; |
| import org.apache.geode.cache.client.internal.ExecuteFunctionOp; |
| import org.apache.geode.cache.execute.Execution; |
| import org.apache.geode.cache.execute.Function; |
| import org.apache.geode.distributed.DistributedMember; |
| import org.apache.geode.distributed.DistributedSystem; |
| import org.apache.geode.distributed.internal.InternalDistributedSystem; |
| import org.apache.geode.internal.cache.execute.AbstractExecution; |
| import org.apache.geode.internal.cache.execute.InternalFunctionExecutionService; |
| import org.apache.geode.internal.cache.execute.InternalFunctionExecutionServiceImpl; |
| import org.apache.geode.internal.cache.execute.MemberFunctionExecutor; |
| import org.apache.geode.internal.cache.execute.ServerToClientFunctionResultSender; |
| import org.apache.geode.internal.cache.tier.Command; |
| import org.apache.geode.internal.cache.tier.sockets.Message; |
| import org.apache.geode.internal.cache.tier.sockets.Part; |
| import org.apache.geode.internal.cache.tier.sockets.ServerConnection; |
| import org.apache.geode.internal.security.SecurityService; |
| |
| public class ExecuteFunction70 extends ExecuteFunction66 { |
| |
| @Immutable |
| private static final ExecuteFunction70 singleton = new ExecuteFunction70(); |
| |
| public static Command getCommand() { |
| return singleton; |
| } |
| |
| private ExecuteFunction70() { |
| // nothing |
| } |
| |
| ExecuteFunction70(InternalFunctionExecutionService internalFunctionExecutionService, |
| ServerToClientFunctionResultSender65Factory serverToClientFunctionResultSender65Factory, |
| FunctionContextImplFactory functionContextImplFactory) { |
| super(internalFunctionExecutionService, serverToClientFunctionResultSender65Factory, |
| functionContextImplFactory); |
| } |
| |
| @Override |
| public void cmdExecute(final Message clientMessage, final ServerConnection serverConnection, |
| final SecurityService securityService, long start) throws IOException { |
| super.cmdExecute(clientMessage, serverConnection, securityService, start); |
| } |
| |
| @Override |
| protected String[] getGroups(Message msg) throws IOException, ClassNotFoundException { |
| String[] groups = null; |
| Part messagePart = msg.getPart(4); |
| if (messagePart != null) { |
| groups = (String[]) messagePart.getObject(); |
| } |
| return groups; |
| } |
| |
| @Override |
| protected boolean getIgnoreFailedMembers(Message msg) { |
| return isFlagSet(msg, ExecuteFunctionOp.IGNORE_FAILED_MEMBERS_INDEX); |
| } |
| |
| @Override |
| protected boolean getAllMembers(Message msg) { |
| return isFlagSet(msg, ExecuteFunctionOp.ALL_MEMBERS_INDEX); |
| } |
| |
| private boolean isFlagSet(Message msg, int index) { |
| boolean isSet = false; |
| Part messagePart = msg.getPart(5); |
| if (messagePart != null) { |
| byte[] flags = messagePart.getSerializedForm(); |
| if (flags != null && flags.length > index) { |
| if (flags[index] == 1) { |
| isSet = true; |
| } |
| } |
| } |
| return isSet; |
| } |
| |
| @Override |
| protected void executeFunctionOnGroups(Object function, Object args, String[] groups, |
| boolean allMembers, Function functionObject, ServerToClientFunctionResultSender resultSender, |
| boolean ignoreFailedMembers) { |
| DistributedSystem ds = InternalDistributedSystem.getConnectedInstance(); |
| if (ds == null) { |
| throw new IllegalStateException("DistributedSystem is either not created or not ready"); |
| } |
| |
| Set<DistributedMember> members = new HashSet<>(); |
| for (String group : groups) { |
| if (allMembers) { |
| members.addAll(ds.getGroupMembers(group)); |
| } else { |
| List<DistributedMember> memberList = new ArrayList<>(ds.getGroupMembers(group)); |
| if (!memberList.isEmpty()) { |
| if (!InternalFunctionExecutionServiceImpl.RANDOM_onMember |
| && memberList.contains(ds.getDistributedMember())) { |
| members.add(ds.getDistributedMember()); |
| } else { |
| Collections.shuffle(memberList); |
| members.add(memberList.get(0)); |
| } |
| } |
| } |
| } |
| |
| if (logger.isDebugEnabled()) { |
| logger.debug("Executing Function on Groups: {} all members: {} members are: {}", |
| Arrays.toString(groups), allMembers, members); |
| } |
| |
| Execution execution = new MemberFunctionExecutor(ds, members, resultSender); |
| if (args != null) { |
| execution = execution.setArguments(args); |
| } |
| |
| if (ignoreFailedMembers) { |
| if (logger.isDebugEnabled()) { |
| logger.debug("Function will ignore failed members"); |
| } |
| ((AbstractExecution) execution).setIgnoreDepartedMembers(true); |
| } |
| |
| if (!functionObject.isHA()) { |
| ((AbstractExecution) execution).setWaitOnExceptionFlag(true); |
| } |
| |
| if (function instanceof String) { |
| execution.execute(functionObject.getId()).getResult(); |
| } else { |
| execution.execute(functionObject).getResult(); |
| } |
| } |
| } |