org.apache.openjpa.event
Class TCPRemoteCommitProvider

java.lang.Object
  org.apache.openjpa.event.AbstractRemoteCommitProvider
      org.apache.openjpa.event.TCPRemoteCommitProvider

All Implemented Interfaces:

RemoteCommitProvider, Configurable, Closeable

public class TCPRemoteCommitProvider
extends AbstractRemoteCommitProvider
implements Configurable

TCP-based implementation of RemoteCommitProvider that listens for object modifications and propagates those changes to other RemoteCommitProviders over TCP sockets.

Since:

0.2.5.0

Author:

Brian Leair, Patrick Linskey

Field Summary

Fields inherited from class org.apache.openjpa.event.AbstractRemoteCommitProvider

eventManager, log

Constructor Summary

TCPRemoteCommitProvider()

Method Summary

void	broadcast(RemoteCommitEvent event) Notifies other remote event managers in this JVM and on other machines of changes to the cache.
void	close() Free the resources used by this provider.
void	endConfiguration() Subclasses that need to perform actions in Configurable.endConfiguration() must invoke this method.
int	getMaxActive() The maximum number of sockets that this provider can simetaneously open to each peer in the cluster.
int	getMaxIdle() The number of idle sockets that this provider can keep open to each peer in the cluster.
int	getNumBroadcastThreads() The number of worker threads that are used for transmitting packets to peers in the cluster.
int	getPort() The port that this provider should listen on.
int	getRecoveryTimeMillis() The number of milliseconds to wait before retrying to reconnect to a peer after it becomes unreachable.
void	setAddresses(String names) Sets the list of addresses of peers to which this provider will send events to.
void	setMaxActive(int maxActive) The maximum number of sockets that this provider can simetaneously open to each peer in the cluster.
void	setMaxIdle(int maxIdle) The number of idle sockets that this provider can keep open to each peer in the cluster.
void	setNumBroadcastThreads(int numBroadcastThreads) The number of worker threads that are used for transmitting packets to peers in the cluster.
void	setPort(int port) The port that this provider should listen on.
void	setRecoveryTimeMillis(int recoverytime) The number of milliseconds to wait before retrying to reconnect to a peer after it becomes unreachable.

Methods inherited from class org.apache.openjpa.event.AbstractRemoteCommitProvider

fireEvent, setConfiguration, setRemoteCommitEventManager, startConfiguration

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.openjpa.lib.conf.Configurable

setConfiguration, startConfiguration

Constructor Detail

TCPRemoteCommitProvider

public TCPRemoteCommitProvider()
                        throws UnknownHostException

Throws:

UnknownHostException

Method Detail

getPort

public int getPort()

The port that this provider should listen on.

setPort

public void setPort(int port)

The port that this provider should listen on. Set once only.

setRecoveryTimeMillis

public void setRecoveryTimeMillis(int recoverytime)

The number of milliseconds to wait before retrying to reconnect to a peer after it becomes unreachable.

getRecoveryTimeMillis

public int getRecoveryTimeMillis()

The number of milliseconds to wait before retrying to reconnect to a peer after it becomes unreachable.

setMaxActive

public void setMaxActive(int maxActive)

The maximum number of sockets that this provider can simetaneously open to each peer in the cluster.

getMaxActive

public int getMaxActive()

The maximum number of sockets that this provider can simetaneously open to each peer in the cluster.

setMaxIdle

public void setMaxIdle(int maxIdle)

The number of idle sockets that this provider can keep open to each peer in the cluster.

getMaxIdle

public int getMaxIdle()

The number of idle sockets that this provider can keep open to each peer in the cluster.

setNumBroadcastThreads

public void setNumBroadcastThreads(int numBroadcastThreads)

The number of worker threads that are used for transmitting packets to peers in the cluster.

getNumBroadcastThreads

public int getNumBroadcastThreads()

The number of worker threads that are used for transmitting packets to peers in the cluster.

setAddresses

public void setAddresses(String names)
                  throws UnknownHostException

Sets the list of addresses of peers to which this provider will send events to. The peers are semicolon-separated names list in the form of "myhost1:portA;myhost2:portB".

Throws:

UnknownHostException

endConfiguration

public void endConfiguration()

Subclasses that need to perform actions in Configurable.endConfiguration() must invoke this method.

Specified by:

endConfiguration in interface Configurable

Overrides:

endConfiguration in class AbstractRemoteCommitProvider

broadcast

public void broadcast(RemoteCommitEvent event)

Description copied from interface: RemoteCommitProvider

Notifies other remote event managers in this JVM and on other machines of changes to the cache. This method must not notify the event manager associated with the broker that originated this commit.

Specified by:

broadcast in interface RemoteCommitProvider

close

public void close()

Description copied from interface: RemoteCommitProvider

Free the resources used by this provider.

Specified by:

close in interface RemoteCommitProvider

Specified by:

close in interface Closeable