bshashikant commented on a change in pull request #2141: URL: https://github.com/apache/ozone/pull/2141#discussion_r613175323
########## File path: hadoop-hdds/common/src/main/java/org/apache/hadoop/hdds/ratis/ServerNotLeaderException.java ########## @@ -0,0 +1,99 @@ +/** + * 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 + * <p> + * http://www.apache.org/licenses/LICENSE-2.0 + * <p> + * 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.hadoop.hdds.ratis; + +import org.apache.hadoop.hdds.HddsUtils; +import org.apache.ratis.protocol.RaftPeerId; +import org.apache.ratis.protocol.exceptions.NotLeaderException; + +import java.io.IOException; +import java.util.regex.Matcher; +import java.util.regex.Pattern; + +public class ServerNotLeaderException extends IOException { + private final String currentPeerId; + private final String leader; + private static final Pattern CURRENT_PEER_ID_PATTERN = + Pattern.compile("Server:(.*) is not the leader[.]+.*", Pattern.DOTALL); + private static final Pattern SUGGESTED_LEADER_PATTERN = + Pattern.compile(".*Suggested leader is Server:([^.]*).*", Pattern.DOTALL); + + public ServerNotLeaderException(RaftPeerId currentPeerId) { + super("Server:" + currentPeerId + " is not the leader. Could not " + + "determine the leader node."); + this.currentPeerId = currentPeerId.toString(); + this.leader = null; + } + + public ServerNotLeaderException(RaftPeerId currentPeerId, + String suggestedLeader) { + super("Server:" + currentPeerId + " is not the leader. Suggested leader is" + + " Server:" + suggestedLeader + "."); + this.currentPeerId = currentPeerId.toString(); + this.leader = suggestedLeader; + } + + public ServerNotLeaderException(String message) { Review comment: This is not unused but will be called by RpcProxy. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
