| /* |
| * 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.admin.remote; |
| |
| import java.io.DataInput; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| |
| import org.apache.geode.distributed.internal.AdminMessageType; |
| import org.apache.geode.distributed.internal.ClusterDistributionManager; |
| import org.apache.geode.distributed.internal.HighPriorityDistributionMessage; |
| import org.apache.geode.distributed.internal.membership.InternalDistributedMember; |
| import org.apache.geode.internal.serialization.DeserializationContext; |
| import org.apache.geode.internal.serialization.SerializationContext; |
| |
| /** |
| * A message that is sent as a reply to a {@link AdminRequest}. |
| */ |
| public abstract class AdminResponse extends HighPriorityDistributionMessage |
| implements AdminMessageType { |
| |
| // instance variables |
| |
| private int msgId; // message id of request this is a response to |
| |
| // instance methods |
| |
| int getMsgId() { |
| return this.msgId; |
| } |
| |
| public void setMsgId(int msgId) { |
| this.msgId = msgId; |
| } |
| |
| @Override |
| public boolean sendViaUDP() { |
| return true; |
| } |
| |
| /** |
| * This method is invoked on the side that sent the original AdminRequest. |
| */ |
| @Override |
| protected void process(ClusterDistributionManager dm) { |
| AdminWaiters.sendResponse(this); |
| } |
| |
| @Override |
| public void toData(DataOutput out, |
| SerializationContext context) throws IOException { |
| // System.out.println("BEGIN AdminResponse toData"); |
| super.toData(out, context); |
| out.writeInt(this.msgId); |
| // System.out.println("END AdminResponse toData"); |
| } |
| |
| @Override |
| public void fromData(DataInput in, |
| DeserializationContext context) throws IOException, ClassNotFoundException { |
| super.fromData(in, context); |
| this.msgId = in.readInt(); |
| } |
| |
| public InternalDistributedMember getRecipient() { |
| InternalDistributedMember[] recipients = getRecipients(); |
| int size = recipients.length; |
| if (size == 0) { |
| return null; |
| } else if (size > 1) { |
| throw new IllegalStateException( |
| String.format("Could not return one recipient because this message has %s recipients", |
| Integer.valueOf(size))); |
| } else { |
| return recipients[0]; |
| } |
| } |
| } |