org.apache.flink.runtime.instance

Class DefaultInstanceManager

java.lang.Object

org.apache.flink.runtime.instance.DefaultInstanceManager

All Implemented Interfaces:

InstanceManager

Direct Known Subclasses:

LocalInstanceManager

public class DefaultInstanceManager
extends Object
implements InstanceManager

In Nephele an instance manager maintains the set of available compute resources. It is responsible for allocating new compute resources, provisioning available compute resources to the JobManager and keeping track of the availability of the utilized compute resources in order to report unexpected resource outages.

Constructor Summary

Constructors

Constructor and Description
DefaultInstanceManager() Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
Instance	getInstanceByName(String name)
Map<InstanceConnectionInfo,Instance>	getInstances()
NetworkTopology	getNetworkTopology(JobID jobID)
int	getNumberOfSlots()
int	getNumberOfTaskTrackers()
void	registerTaskManager(InstanceConnectionInfo instanceConnectionInfo, HardwareDescription hardwareDescription, int numberOfSlots)
void	releaseAllocatedResource(AllocatedResource allocatedResource)
void	reportHeartBeat(InstanceConnectionInfo instanceConnectionInfo)
void	requestInstance(JobID jobID, Configuration conf, int requiredSlots)
void	setInstanceListener(InstanceListener instanceListener)
void	shutdown()

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultInstanceManager

public DefaultInstanceManager()

Constructor.

Method Detail

shutdown

public void shutdown()

Specified by:

shutdown in interface InstanceManager

releaseAllocatedResource

public void releaseAllocatedResource(AllocatedResource allocatedResource)
                              throws InstanceException

Specified by:

releaseAllocatedResource in interface InstanceManager

Throws:

InstanceException

reportHeartBeat

public void reportHeartBeat(InstanceConnectionInfo instanceConnectionInfo)

Specified by:

reportHeartBeat in interface InstanceManager

registerTaskManager

public void registerTaskManager(InstanceConnectionInfo instanceConnectionInfo,
                       HardwareDescription hardwareDescription,
                       int numberOfSlots)

Specified by:

registerTaskManager in interface InstanceManager

requestInstance

public void requestInstance(JobID jobID,
                   Configuration conf,
                   int requiredSlots)
                     throws InstanceException

Specified by:

requestInstance in interface InstanceManager

Throws:

InstanceException

getNetworkTopology

public NetworkTopology getNetworkTopology(JobID jobID)

Specified by:

getNetworkTopology in interface InstanceManager

setInstanceListener

public void setInstanceListener(InstanceListener instanceListener)

Specified by:

setInstanceListener in interface InstanceManager

getInstanceByName

public Instance getInstanceByName(String name)

Specified by:

getInstanceByName in interface InstanceManager

getNumberOfTaskTrackers

public int getNumberOfTaskTrackers()

Specified by:

getNumberOfTaskTrackers in interface InstanceManager

getNumberOfSlots

public int getNumberOfSlots()

Specified by:

getNumberOfSlots in interface InstanceManager

getInstances

public Map<InstanceConnectionInfo,Instance> getInstances()

Specified by:

getInstances in interface InstanceManager