co.cask.cdap.common.zookeeper.coordination

Class ResourceHandler

java.lang.Object

co.cask.cdap.common.zookeeper.coordination.ResourceHandler

All Implemented Interfaces:

AssignmentChangeListener

public abstract class ResourceHandler
extends Object
implements AssignmentChangeListener

Handle changes in resource assignment. It takes resource assignment changes and invoke changes specific to the Discoverable given in the constructor.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ResourceHandler(Discoverable discoverable)

Method Summary

Methods

Modifier and Type	Method and Description
protected Discoverable	getDiscoverable()
protected abstract void	onChange(Collection<PartitionReplica> partitionReplicas) Invoked when the assignment changed.
void	onChange(ResourceAssignment assignment) Invoked when there is change in assignment.

Methods inherited from class java.lang.Object

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

Methods inherited from interface co.cask.cdap.common.zookeeper.coordination.AssignmentChangeListener

finished

Constructor Detail

ResourceHandler

protected ResourceHandler(Discoverable discoverable)

Method Detail

onChange

protected abstract void onChange(Collection<PartitionReplica> partitionReplicas)

Invoked when the assignment changed.

Parameters:

partitionReplicas - The new assignment.

onChange

public final void onChange(ResourceAssignment assignment)

Description copied from interface: AssignmentChangeListener

Invoked when there is change in assignment.

Specified by:

onChange in interface AssignmentChangeListener

Parameters:

assignment - The updated assignment.

getDiscoverable

protected final Discoverable getDiscoverable()