org.apache.hadoop.hbase.util

Class JSONBean

java.lang.Object

org.apache.hadoop.hbase.util.JSONBean

public class JSONBean
extends java.lang.Object

Utility for doing JSON and MBeans.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	JSONBean.Writer Use dumping out mbeans as JSON.

Constructor Summary

Constructors

Constructor and Description
JSONBean()

Method Summary

Modifier and Type	Method and Description
static void	dumpAllBeans() Dump out all registered mbeans as json on System.out.
static java.lang.String	dumpRegionServerMetrics() Dump out a subset of regionserver mbeans only, not all of them, as json on System.out.
static void	main(java.lang.String[] args)
JSONBean.Writer	open(java.io.PrintWriter writer)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

JSONBean

public JSONBean()

Method Detail

open

public JSONBean.Writer open(java.io.PrintWriter writer)
                     throws java.io.IOException

Throws:

java.io.IOException

dumpRegionServerMetrics

public static java.lang.String dumpRegionServerMetrics()
                                                throws javax.management.MalformedObjectNameException,
                                                       java.io.IOException

Dump out a subset of regionserver mbeans only, not all of them, as json on System.out.

Throws:

javax.management.MalformedObjectNameException

java.io.IOException

dumpAllBeans

public static void dumpAllBeans()
                         throws java.io.IOException,
                                javax.management.MalformedObjectNameException

Dump out all registered mbeans as json on System.out.

Throws:

java.io.IOException

javax.management.MalformedObjectNameException

main

public static void main(java.lang.String[] args)
                 throws java.io.IOException,
                        javax.management.MalformedObjectNameException

Throws:

java.io.IOException

javax.management.MalformedObjectNameException