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https://issues.apache.org/jira/browse/STORM-1257?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15117418#comment-15117418
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ASF GitHub Bot commented on STORM-1257:
---------------------------------------
Github user revans2 commented on a diff in the pull request:
https://github.com/apache/storm/pull/1047#discussion_r50851943
--- Diff:
storm-core/src/jvm/org/apache/storm/zookeeper/LeaderElectorImp.java ---
@@ -0,0 +1,135 @@
+/**
+ * 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.storm.zookeeper;
+
+import org.apache.curator.framework.CuratorFramework;
+import org.apache.curator.framework.recipes.leader.LeaderLatch;
+import org.apache.curator.framework.recipes.leader.LeaderLatchListener;
+import org.apache.curator.framework.recipes.leader.Participant;
+import org.apache.storm.nimbus.ILeaderElector;
+import org.apache.storm.nimbus.NimbusInfo;
+import org.apache.storm.utils.Utils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.atomic.AtomicReference;
+
+
+public class LeaderElectorImp implements ILeaderElector {
+ private static Logger LOG =
LoggerFactory.getLogger(LeaderElectorImp.class);
+ private Map conf;
+ private List<String> servers;
+ private CuratorFramework zk;
+ private String leaderlockPath;
+ private String id;
+ private AtomicReference<LeaderLatch> leaderLatch;
+ private AtomicReference<LeaderLatchListener> leaderLatchListener;
--- End diff --
Can we please mark all of these member variables as final? None of them
are ever supposed to change and it would have caught the leaderlockPath not
being set.
> port backtype.storm.zookeeper to java
> -------------------------------------
>
> Key: STORM-1257
> URL: https://issues.apache.org/jira/browse/STORM-1257
> Project: Apache Storm
> Issue Type: New Feature
> Components: storm-core
> Reporter: Robert Joseph Evans
> Assignee: John Fang
> Labels: java-migration, jstorm-merger
>
> A wrapper around zookeeper/curator.
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