| /* |
| * 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.Set; |
| |
| import org.apache.logging.log4j.Logger; |
| |
| import org.apache.geode.InternalGemFireError; |
| import org.apache.geode.cache.FixedPartitionAttributes; |
| 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.logging.internal.log4j.api.LogService; |
| |
| /** |
| * |
| * Retrieves {@link ClientPartitionAdvisor} related information for the specified PartitionedRegion |
| * from one of the servers |
| * |
| * |
| * @since GemFire 6.5 |
| * |
| */ |
| public class GetClientPartitionAttributesOp { |
| |
| private static final Logger logger = LogService.getLogger(); |
| |
| private GetClientPartitionAttributesOp() { |
| // no instances allowed |
| } |
| |
| @SuppressWarnings("unchecked") |
| public static ClientPartitionAdvisor execute(ExecutablePool pool, String regionFullPath) { |
| AbstractOp op = new GetClientPartitionAttributesOpImpl(regionFullPath); |
| if (logger.isDebugEnabled()) { |
| logger.debug( |
| "GetClientPartitionAttributesOp#execute : Sending GetClientPartitionAttributesOp Message: {} for region: {} to server using pool: {}", |
| op.getMessage(), regionFullPath, pool); |
| } |
| |
| ClientPartitionAdvisor advisor = (ClientPartitionAdvisor) pool.execute(op); |
| |
| if (advisor != null) { |
| advisor.setServerGroup(((PoolImpl) pool).getServerGroup()); |
| } |
| |
| return advisor; |
| } |
| |
| static class GetClientPartitionAttributesOpImpl extends AbstractOp { |
| |
| String regionFullPath = null; |
| |
| public GetClientPartitionAttributesOpImpl(String regionFullPath) { |
| super(MessageType.GET_CLIENT_PARTITION_ATTRIBUTES, 1); |
| this.regionFullPath = regionFullPath; |
| getMessage().addStringPart(regionFullPath, true); |
| } |
| |
| @Override |
| protected boolean needsUserId() { |
| return false; |
| } |
| |
| @Override |
| protected void sendMessage(Connection cnx) throws Exception { |
| getMessage().clearMessageHasSecurePartFlag(); |
| getMessage().send(false); |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| protected Object processResponse(Message msg) throws Exception { |
| switch (msg.getMessageType()) { |
| case MessageType.GET_CLIENT_PARTITION_ATTRIBUTES_ERROR: |
| String errorMsg = msg.getPart(0).getString(); |
| if (logger.isDebugEnabled()) { |
| logger.debug(errorMsg); |
| } |
| throw new ServerOperationException(errorMsg); |
| case MessageType.RESPONSE_CLIENT_PARTITION_ATTRIBUTES: |
| final boolean isDebugEnabled = logger.isDebugEnabled(); |
| if (isDebugEnabled) { |
| logger.debug( |
| "GetClientPartitionAttributesOpImpl#processResponse: received message of type : {}", |
| MessageType.getString(msg.getMessageType())); |
| } |
| int bucketCount; |
| String colocatedWith; |
| String partitionResolverName = null; |
| Set<FixedPartitionAttributes> fpaSet = null; |
| bucketCount = (Integer) msg.getPart(0).getObject(); |
| colocatedWith = (String) msg.getPart(1).getObject(); |
| if (msg.getNumberOfParts() == 4) { |
| partitionResolverName = (String) msg.getPart(2).getObject(); |
| fpaSet = (Set<FixedPartitionAttributes>) msg.getPart(3).getObject(); |
| } else if (msg.getNumberOfParts() == 3) { |
| Object obj = msg.getPart(2).getObject(); |
| if (obj instanceof String) { |
| partitionResolverName = (String) obj; |
| } else { |
| fpaSet = (Set<FixedPartitionAttributes>) obj; |
| } |
| } else if (bucketCount == -1) { |
| return null; |
| } |
| if (isDebugEnabled) { |
| logger.debug( |
| "GetClientPartitionAttributesOpImpl#processResponse: received all the results from server successfully."); |
| } |
| ClientPartitionAdvisor advisor = |
| new ClientPartitionAdvisor(bucketCount, colocatedWith, partitionResolverName, fpaSet); |
| return advisor; |
| |
| case MessageType.EXCEPTION: |
| if (logger.isDebugEnabled()) { |
| logger.debug( |
| "GetClientPartitionAttributesOpImpl#processResponse: received message of type EXCEPTION"); |
| } |
| Part part = msg.getPart(0); |
| Object obj = part.getObject(); |
| String s = |
| "While performing GetClientPartitionAttributesOp " + ((Throwable) obj).getMessage(); |
| throw new ServerOperationException(s, (Throwable) obj); |
| default: |
| throw new InternalGemFireError(String.format("Unknown message type %s", |
| Integer.valueOf(msg.getMessageType()))); |
| } |
| } |
| |
| @Override |
| protected long startAttempt(ConnectionStats stats) { |
| return stats.startGetClientPartitionAttributes(); |
| } |
| |
| protected String getOpName() { |
| return "GetClientPartitionAttributesOp"; |
| } |
| |
| @Override |
| protected void endSendAttempt(ConnectionStats stats, long start) { |
| stats.endGetClientPartitionAttributesSend(start, hasFailed()); |
| } |
| |
| @Override |
| protected void endAttempt(ConnectionStats stats, long start) { |
| stats.endGetClientPartitionAttributes(start, hasTimedOut(), hasFailed()); |
| } |
| |
| @Override |
| protected boolean isErrorResponse(int msgType) { |
| return false; |
| } |
| |
| } |
| |
| } |