org.apache.whirr.service.hama
Class HamaClusterActionHandler

java.lang.Object
  org.apache.whirr.service.ClusterActionHandlerSupport
      org.apache.whirr.service.hama.HamaClusterActionHandler

All Implemented Interfaces:

ClusterActionHandler

Direct Known Subclasses:

HamaGroomServerClusterActionHandler, HamaMasterClusterActionHandler

public abstract class HamaClusterActionHandler
extends ClusterActionHandlerSupport

Base class for Hama service handlers.

Field Summary

Fields inherited from interface org.apache.whirr.service.ClusterActionHandler

BOOTSTRAP_ACTION, CLEANUP_ACTION, CONFIGURE_ACTION, DESTROY_ACTION, START_ACTION, STOP_ACTION

Constructor Summary

HamaClusterActionHandler()

Method Summary

protected void	beforeBootstrap(ClusterActionEvent event)
protected org.apache.commons.configuration.Configuration	getConfiguration(ClusterSpec clusterSpec) Returns a composite configuration that is made up from the global configuration coming from the Whirr core with a hama defaults properties.

Methods inherited from class org.apache.whirr.service.ClusterActionHandlerSupport

addRunUrl, addStatement, afterAction, afterBootstrap, afterCleanup, afterConfigure, afterDestroy, afterOtherAction, afterStart, afterStop, beforeAction, beforeCleanup, beforeConfigure, beforeDestroy, beforeOtherAction, beforeStart, beforeStop, equals, getCleanupFunction, getConfiguration, getConfiguration, getConfigureFunction, getFunctionName, getInstallFunction, getStartFunction, getStopFunction, hashCode, prepareRemoteFileUrl, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.whirr.service.ClusterActionHandler

getRole

Constructor Detail

HamaClusterActionHandler

public HamaClusterActionHandler()

Method Detail

getConfiguration

protected org.apache.commons.configuration.Configuration getConfiguration(ClusterSpec clusterSpec)
                                                                   throws IOException

Returns a composite configuration that is made up from the global configuration coming from the Whirr core with a hama defaults properties.

Throws:

IOException

beforeBootstrap

protected void beforeBootstrap(ClusterActionEvent event)
                        throws IOException

Overrides:

beforeBootstrap in class ClusterActionHandlerSupport

Throws:

IOException