Package org.apache.flink.runtime.io.network.netty

Class NettyConnectionManager

java.lang.Object

org.apache.flink.runtime.io.network.netty.NettyConnectionManager

All Implemented Interfaces:

ConnectionManager

public class NettyConnectionManager
extends Object
implements ConnectionManager

Constructor Summary

Constructors

Constructor	Description
NettyConnectionManager(NettyBufferPool bufferPool, ResultPartitionProvider partitionProvider, TaskEventPublisher taskEventPublisher, NettyConfig nettyConfig, boolean connectionReuseEnabled)
NettyConnectionManager(ResultPartitionProvider partitionProvider, TaskEventPublisher taskEventPublisher, NettyConfig nettyConfig, boolean connectionReuseEnabled)

Method Summary

Modifier and Type	Method	Description
void	closeOpenChannelConnections(ConnectionID connectionId)	Closes opened ChannelConnections in case of a resource release.
PartitionRequestClient	createPartitionRequestClient(ConnectionID connectionId)	Creates a PartitionRequestClient instance for the given ConnectionID.
int	getNumberOfActiveConnections()
void	shutdown()
int	start()	Starts the internal related components for network connection and communication.

Methods inherited from class java.lang.Object

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

Constructor Details

NettyConnectionManager

public NettyConnectionManager(ResultPartitionProvider partitionProvider,
 TaskEventPublisher taskEventPublisher,
 NettyConfig nettyConfig,
 boolean connectionReuseEnabled)

NettyConnectionManager

@VisibleForTesting
public NettyConnectionManager(NettyBufferPool bufferPool,
 ResultPartitionProvider partitionProvider,
 TaskEventPublisher taskEventPublisher,
 NettyConfig nettyConfig,
 boolean connectionReuseEnabled)

Method Details

start

public int start()
          throws IOException

Description copied from interface: ConnectionManager

Starts the internal related components for network connection and communication.

Specified by:

start in interface ConnectionManager

Returns:

a port to connect to the task executor for shuffle data exchange, -1 if only local connection is possible.

Throws:

IOException

createPartitionRequestClient

public PartitionRequestClient createPartitionRequestClient(ConnectionID connectionId)
                                                    throws IOException,
InterruptedException

Description copied from interface: ConnectionManager

Creates a PartitionRequestClient instance for the given ConnectionID.

Specified by:

createPartitionRequestClient in interface ConnectionManager

Throws:

IOException

InterruptedException

closeOpenChannelConnections

public void closeOpenChannelConnections(ConnectionID connectionId)

Description copied from interface: ConnectionManager

Closes opened ChannelConnections in case of a resource release.

Specified by:

closeOpenChannelConnections in interface ConnectionManager

getNumberOfActiveConnections

public int getNumberOfActiveConnections()

Specified by:

getNumberOfActiveConnections in interface ConnectionManager

shutdown

public void shutdown()

Specified by:

shutdown in interface ConnectionManager