Author: shv
Date: Thu Sep  1 01:51:10 2011
New Revision: 1163891

URL: http://svn.apache.org/viewvc?rev=1163891&view=rev
Log:
HADOOP-7577. Add EventCounter wrapper to provide compatibility between metrics 
1 and 2. Contributed by Joep Rottinghuis.

Added:
    
hadoop/common/branches/branch-0.22/common/src/java/org/apache/hadoop/log/EventCounter.java
   (with props)
Modified:
    hadoop/common/branches/branch-0.22/common/CHANGES.txt

Modified: hadoop/common/branches/branch-0.22/common/CHANGES.txt
URL: 
http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.22/common/CHANGES.txt?rev=1163891&r1=1163890&r2=1163891&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.22/common/CHANGES.txt (original)
+++ hadoop/common/branches/branch-0.22/common/CHANGES.txt Thu Sep  1 01:51:10 
2011
@@ -533,6 +533,9 @@ Release 0.22.0 - Unreleased
     HADOOP-7390. VersionInfo not generated properly in git after unsplit.
     (todd via shv)
 
+    HADOOP-7577. Add EventCounter wrapper to provide compatibility between
+    metrics 1 and 2. (Joep Rottinghuis via shv)
+
 Release 0.21.1 - Unreleased
 
   IMPROVEMENTS

Added: 
hadoop/common/branches/branch-0.22/common/src/java/org/apache/hadoop/log/EventCounter.java
URL: 
http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.22/common/src/java/org/apache/hadoop/log/EventCounter.java?rev=1163891&view=auto
==============================================================================
--- 
hadoop/common/branches/branch-0.22/common/src/java/org/apache/hadoop/log/EventCounter.java
 (added)
+++ 
hadoop/common/branches/branch-0.22/common/src/java/org/apache/hadoop/log/EventCounter.java
 Thu Sep  1 01:51:10 2011
@@ -0,0 +1,35 @@
+/**
+ * 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.hadoop.log;
+
+/**
+ * A log4J Appender that simply counts logging events in three levels:
+ * fatal, error and warn. The class name is used in log4j.properties
+ * Note that with metrics2 this class will be moved to 
org.apache.hadoop.log.metrics.EventCounter
+ * @deprecated use {@link org.apache.hadoop.metrics.jvm.EventCounter} instead
+ */
+@Deprecated
+public class EventCounter extends org.apache.hadoop.metrics.jvm.EventCounter {
+  static {
+    // The logging system is not started yet.
+    System.err.println("WARNING: "+ EventCounter.class.getName() +
+        " is deprecated. Please use "+
+        org.apache.hadoop.metrics.jvm.EventCounter.class.getName() +
+        " in all the log4j.properties files.");
+  }
+}

Propchange: 
hadoop/common/branches/branch-0.22/common/src/java/org/apache/hadoop/log/EventCounter.java
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    svn:mime-type = text/plain


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