org.apache.hadoop.hbase.util

Class JVMClusterUtil

java.lang.Object

org.apache.hadoop.hbase.util.JVMClusterUtil

@InterfaceAudience.Private
public class JVMClusterUtil
extends Object

Utility used running a cluster all in the one JVM.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	JVMClusterUtil.MasterThread Datastructure to hold Master Thread and Master instance
static class	JVMClusterUtil.RegionServerThread Datastructure to hold RegionServer Thread and RegionServer instance

Constructor Summary

Constructors

Constructor and Description
JVMClusterUtil()

Method Summary

Modifier and Type	Method and Description
static JVMClusterUtil.MasterThread	createMasterThread(org.apache.hadoop.conf.Configuration c, Class<? extends HMaster> hmc, int index) Creates a JVMClusterUtil.MasterThread.
static JVMClusterUtil.RegionServerThread	createRegionServerThread(org.apache.hadoop.conf.Configuration c, Class<? extends HRegionServer> hrsc, int index) Creates a JVMClusterUtil.RegionServerThread.
static void	shutdown(List<JVMClusterUtil.MasterThread> masters, List<JVMClusterUtil.RegionServerThread> regionservers)
static String	startup(List<JVMClusterUtil.MasterThread> masters, List<JVMClusterUtil.RegionServerThread> regionservers) Start the cluster.

Methods inherited from class java.lang.Object

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

Constructor Detail

JVMClusterUtil

public JVMClusterUtil()

Method Detail

createRegionServerThread

public static JVMClusterUtil.RegionServerThread createRegionServerThread(org.apache.hadoop.conf.Configuration c,
                                                                         Class<? extends HRegionServer> hrsc,
                                                                         int index)
                                                                  throws IOException

Creates a JVMClusterUtil.RegionServerThread. Call 'start' on the returned thread to make it run.

Parameters:

c - Configuration to use.

hrsc - Class to create.

index - Used distinguishing the object returned.

Returns:

Region server added.

Throws:

IOException

createMasterThread

public static JVMClusterUtil.MasterThread createMasterThread(org.apache.hadoop.conf.Configuration c,
                                                             Class<? extends HMaster> hmc,
                                                             int index)
                                                      throws IOException

Creates a JVMClusterUtil.MasterThread. Call 'start' on the returned thread to make it run.

Parameters:

c - Configuration to use.

hmc - Class to create.

index - Used distinguishing the object returned.

Returns:

Master added.

Throws:

IOException

startup

public static String startup(List<JVMClusterUtil.MasterThread> masters,
                             List<JVMClusterUtil.RegionServerThread> regionservers)
                      throws IOException

Start the cluster. Waits until there is a primary master initialized and returns its address.

Parameters:

masters -

regionservers -

Returns:

Address to use contacting primary master.

Throws:

IOException

shutdown

public static void shutdown(List<JVMClusterUtil.MasterThread> masters,
                            List<JVMClusterUtil.RegionServerThread> regionservers)

Parameters:

masters -

regionservers -