Package org.apache.flink.runtime.blocklist

Class DefaultBlocklistHandler

java.lang.Object

org.apache.flink.runtime.blocklist.DefaultBlocklistHandler

All Implemented Interfaces:

AutoCloseable, BlocklistHandler

public class DefaultBlocklistHandler
extends Object
implements BlocklistHandler, AutoCloseable

Default implementation of BlocklistHandler.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	DefaultBlocklistHandler.Factory	The factory to instantiate DefaultBlocklistHandler.

Method Summary

Modifier and Type	Method	Description
void	addNewBlockedNodes(Collection<BlockedNode> newNodes)	Add new blocked node records.
void	close()
void	deregisterBlocklistListener(BlocklistListener blocklistListener)	Deregister a blocklist listener.
Set<String>	getAllBlockedNodeIds()	Get all blocked node ids.
boolean	isBlockedTaskManager(ResourceID taskManagerId)	Returns whether the given task manager is blocked (located on blocked nodes).
void	registerBlocklistListener(BlocklistListener blocklistListener)	Register a new blocklist listener.

Methods inherited from class java.lang.Object

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

Method Detail

addNewBlockedNodes

public void addNewBlockedNodes(Collection<BlockedNode> newNodes)

Description copied from interface: BlocklistHandler

Add new blocked node records. If a node (identified by node id) already exists, the newly added one will be merged with the existing one.

Specified by:

addNewBlockedNodes in interface BlocklistHandler

Parameters:

newNodes - the new blocked node records

isBlockedTaskManager

public boolean isBlockedTaskManager(ResourceID taskManagerId)

Description copied from interface: BlocklistHandler

Returns whether the given task manager is blocked (located on blocked nodes).

Specified by:

isBlockedTaskManager in interface BlocklistHandler

Parameters:

taskManagerId - ID of the task manager to query

Returns:

true if the given task manager is blocked, otherwise false

getAllBlockedNodeIds

public Set<String> getAllBlockedNodeIds()

Description copied from interface: BlocklistHandler

Get all blocked node ids.

Specified by:

getAllBlockedNodeIds in interface BlocklistHandler

Returns:

a set containing all blocked node ids

registerBlocklistListener

public void registerBlocklistListener(BlocklistListener blocklistListener)

Description copied from interface: BlocklistHandler

Register a new blocklist listener.

Specified by:

registerBlocklistListener in interface BlocklistHandler

Parameters:

blocklistListener - the newly registered listener

deregisterBlocklistListener

public void deregisterBlocklistListener(BlocklistListener blocklistListener)

Description copied from interface: BlocklistHandler

Deregister a blocklist listener.

Specified by:

deregisterBlocklistListener in interface BlocklistHandler

Parameters:

blocklistListener - the listener to deregister

close

public void close()
           throws Exception

Specified by:

close in interface AutoCloseable

Throws:

Exception