org.apache.flink.runtime.instance

Class DummyInstance

java.lang.Object

org.apache.flink.runtime.topology.NetworkNode

org.apache.flink.runtime.instance.Instance

org.apache.flink.runtime.instance.DummyInstance

All Implemented Interfaces:

IOReadableWritable

public class DummyInstance
extends Instance

A DummyInstance is a stub implementation of the Instance interface. Dummy instances are used to plan a job execution but must be replaced with concrete instances before the job execution starts.

Method Summary

Methods

Modifier and Type	Method and Description
static DummyInstance	createDummyInstance()
HardwareDescription	getHardwareDescription() Returns the instance's hardware description as reported by the instance itself.
String	toString()

Methods inherited from class org.apache.flink.runtime.instance.Instance

allocateSlot, cancelTask, checkLibraryAvailability, destroyProxies, equals, getAllocatedSlots, getInstanceConnectionInfo, getLastHeartBeat, getNumberOfAvailableSlots, getNumberOfSlots, hashCode, invalidateLookupCacheEntries, isStillAlive, killTask, killTaskManager, logBufferUtilization, releaseSlot, removeAllocatedSlots, reportHeartBeat, submitTasks

Methods inherited from class org.apache.flink.runtime.topology.NetworkNode

getChildNode, getDepth, getDistance, getDistance, getHeight, getName, getNetworkTopology, getNumberOfChildNodes, getParentNode, isLeafNode, isRootNode, read, remove, write

Methods inherited from class java.lang.Object

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

Method Detail

createDummyInstance

public static DummyInstance createDummyInstance()

toString

public String toString()

Overrides:

toString in class NetworkNode

getHardwareDescription

public HardwareDescription getHardwareDescription()

Description copied from class: Instance

Returns the instance's hardware description as reported by the instance itself.

Overrides:

getHardwareDescription in class Instance

Returns:

the instance's hardware description