org.apache.hadoop.hbase.util

Class JSONBean

java.lang.Object

org.apache.hadoop.hbase.util.JSONBean

public class JSONBean
extends 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 String	dumpRegionServerMetrics() Dump out a subset of regionserver mbeans only, not all of them, as json on System.out.
static void	main(String[] args)
JSONBean.Writer	open(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(PrintWriter writer)
                     throws IOException

Throws:

IOException

dumpRegionServerMetrics

public static String dumpRegionServerMetrics()
                                      throws MalformedObjectNameException,
                                             IOException

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

Throws:

MalformedObjectNameException

IOException

dumpAllBeans

public static void dumpAllBeans()
                         throws IOException,
                                MalformedObjectNameException

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

Throws:

IOException

MalformedObjectNameException

main

public static void main(String[] args)
                 throws IOException,
                        MalformedObjectNameException

Throws:

IOException

MalformedObjectNameException