| /* |
| * 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.cassandra.repair; |
| |
| import java.net.InetAddress; |
| |
| import com.google.common.util.concurrent.AbstractFuture; |
| |
| import org.apache.cassandra.exceptions.RepairException; |
| import org.apache.cassandra.net.MessagingService; |
| import org.apache.cassandra.repair.messages.ValidationRequest; |
| import org.apache.cassandra.utils.MerkleTrees; |
| |
| /** |
| * ValidationTask sends {@link ValidationRequest} to a replica. |
| * When a replica sends back message, task completes. |
| */ |
| public class ValidationTask extends AbstractFuture<TreeResponse> implements Runnable |
| { |
| private final RepairJobDesc desc; |
| private final InetAddress endpoint; |
| private final int gcBefore; |
| |
| public ValidationTask(RepairJobDesc desc, InetAddress endpoint, int gcBefore) |
| { |
| this.desc = desc; |
| this.endpoint = endpoint; |
| this.gcBefore = gcBefore; |
| } |
| |
| /** |
| * Send ValidationRequest to replica |
| */ |
| public void run() |
| { |
| ValidationRequest request = new ValidationRequest(desc, gcBefore); |
| MessagingService.instance().sendOneWay(request.createMessage(), endpoint); |
| } |
| |
| /** |
| * Receive MerkleTrees from replica node. |
| * |
| * @param trees MerkleTrees that is sent from replica. Null if validation failed on replica node. |
| */ |
| public void treesReceived(MerkleTrees trees) |
| { |
| if (trees == null) |
| { |
| setException(new RepairException(desc, "Validation failed in " + endpoint)); |
| } |
| else |
| { |
| set(new TreeResponse(endpoint, trees)); |
| } |
| } |
| } |