LocalConnectionManager (Flink : Runtime 2.0.0 API)

java.lang.Object
- org.apache.flink.runtime.io.network.LocalConnectionManager

All Implemented Interfaces:

ConnectionManager
```
public class LocalConnectionManager
extends Object
implements ConnectionManager
```
A connection manager implementation to bypass setup overhead for task managers running in local execution mode.

Constructor Summary

Constructors
Constructor Description

LocalConnectionManager()

Method Summary

All Methods Instance Methods Concrete Methods
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 Detail
  - LocalConnectionManager
```
public LocalConnectionManager()
```
- Method Detail
  - start
```
public int start()
```
    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.
  - createPartitionRequestClient
```
public PartitionRequestClient createPartitionRequestClient(ConnectionID connectionId)
```
    Description copied from interface: ConnectionManager
    
    Creates a PartitionRequestClient instance for the given ConnectionID.
    
    Specified by:
    
    createPartitionRequestClient in interface ConnectionManager
  - 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