Added: hadoop/common/branches/branch-0.20-security-patches/src/hdfs/org/apache/hadoop/hdfs/server/namenode/NameNodeMXBean.java URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.20-security-patches/src/hdfs/org/apache/hadoop/hdfs/server/namenode/NameNodeMXBean.java?rev=1077592&view=auto ============================================================================== --- hadoop/common/branches/branch-0.20-security-patches/src/hdfs/org/apache/hadoop/hdfs/server/namenode/NameNodeMXBean.java (added) +++ hadoop/common/branches/branch-0.20-security-patches/src/hdfs/org/apache/hadoop/hdfs/server/namenode/NameNodeMXBean.java Fri Mar 4 04:32:57 2011 @@ -0,0 +1,43 @@ +/** + * 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.hdfs.server.namenode; + +/** + * + * This is the JMX management interface for namenode information + */ +public interface NameNodeMXBean { + + public String getVersion(); + public String getUsed(); + public String getFree(); + public String getTotal(); + public String getSafemode(); + public boolean isUpgradeFinalized(); + public String getNondfs(); + public String getPercentused(); + public String getPercentRemaining(); + public String getTotalblocks(); + public String getTotalfiles(); + + + // each data node + public String getAliveNodeInfo(); + public String getDeadNodeInfo(); + public String getDecomNodeInfo(); +}
