org.apache.whirr.service.hadoop
Class HadoopClusterActionHandler
java.lang.Object
org.apache.whirr.service.ClusterActionHandlerSupport
org.apache.whirr.service.hadoop.HadoopClusterActionHandler
- All Implemented Interfaces:
- ClusterActionHandler
- Direct Known Subclasses:
- HadoopDataNodeClusterActionHandler, HadoopNameNodeClusterActionHandler, HadoopTaskTrackerClusterActionHandler
public abstract class HadoopClusterActionHandler
- extends ClusterActionHandlerSupport
Methods inherited from class org.apache.whirr.service.ClusterActionHandlerSupport |
addRunUrl, addStatement, afterAction, afterBootstrap, afterCleanup, afterConfigure, afterDestroy, afterOtherAction, afterStart, afterStop, beforeAction, beforeCleanup, beforeDestroy, beforeOtherAction, beforeStart, beforeStop, equals, getCleanupFunction, getConfiguration, getConfiguration, getConfigureFunction, getFunctionName, getInstallFunction, getStartFunction, getStopFunction, hashCode, prepareRemoteFileUrl, toString |
HadoopClusterActionHandler
public HadoopClusterActionHandler()
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 hadoop defaults
properties.
- Throws:
IOException
getInstallFunction
protected String getInstallFunction(org.apache.commons.configuration.Configuration config)
getConfigureFunction
protected String getConfigureFunction(org.apache.commons.configuration.Configuration config)
beforeBootstrap
protected void beforeBootstrap(ClusterActionEvent event)
throws IOException
- Overrides:
beforeBootstrap
in class ClusterActionHandlerSupport
- Throws:
IOException
getDeviceMappings
protected Map<String,String> getDeviceMappings(ClusterActionEvent event)
beforeConfigure
protected void beforeConfigure(ClusterActionEvent event)
throws IOException,
InterruptedException
- Overrides:
beforeConfigure
in class ClusterActionHandlerSupport
- Throws:
IOException
InterruptedException
doBeforeConfigure
protected void doBeforeConfigure(ClusterActionEvent event)
throws IOException
- Throws:
IOException
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