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PooledInvokerProxy (JBoss Server API) - JBoss 4.0.1 sp1 server API Documentation 英文版文档

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org.jboss.invocation.pooled.interfaces
Class PooledInvokerProxy

java.lang.Object
  org.jboss.invocation.pooled.interfaces.PooledInvokerProxy

All Implemented Interfaces:

Externalizable, Invoker, Remote, Serializable

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public class PooledInvokerProxy

extends Object

implements Invoker, Externalizable

Client socket connections are pooled to avoid the overhead of making a connection. RMI seems to do a new connection with each request.

Version:

$Revision: 1.8.6.1 $

Author:

Bill Burke

See Also:

Serialized Form

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Nested Class Summary
protected static class	PooledInvokerProxy.ClientSocket

 

Field Summary
protected  ServerAddress	address           connection information
protected static HashMap	connectionPools
static long	deserializeTime
static long	getSocketTime
static int	MAX_RETRIES           Set number of retries in getSocket method
protected  int	maxPoolSize
protected  LinkedList	pool           Pool for this invoker.
static long	readTime
static long	serializeTime
protected static org.jboss.tm.TransactionPropagationContextFactory	tpcFactory           Factory for transaction propagation contexts.
static long	usedPooled
static long	writeTime

 

Fields inherited from interface org.jboss.invocation.Invoker

ID

 

Constructor Summary

PooledInvokerProxy()           Exposed for externalization.

PooledInvokerProxy(ServerAddress sa, int maxPoolSize)           Create a new Proxy.

 

Method Summary
static void	clearPool(ServerAddress sa)           Close all sockets in a specific pool.
static void	clearPools()           Close all sockets in all pools
protected  PooledInvokerProxy.ClientSocket	getConnection()
protected  PooledInvokerProxy.ClientSocket	getPooledConnection()
String	getServerHostName()           The name of of the server.
Object	getTransactionPropagationContext()           ???
protected  void	initPool()
Object	invoke(Invocation invocation)           The invocation on the delegate, calls the right invoker.
void	readExternal(ObjectInput in)           Un-externalize this instance.
static void	setTPCFactory(org.jboss.tm.TransactionPropagationContextFactory tpcf)
void	writeExternal(ObjectOutput out)           Externalize this instance and handle obtaining the remoteInvoker stub

 

Methods inherited from class java.lang.Object

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

 

Field Detail

tpcFactory

protected static org.jboss.tm.TransactionPropagationContextFactory tpcFactory

Factory for transaction propagation contexts.

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getSocketTime

public static long getSocketTime

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readTime

public static long readTime

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writeTime

public static long writeTime

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serializeTime

public static long serializeTime

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deserializeTime

public static long deserializeTime

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usedPooled

public static long usedPooled

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MAX_RETRIES

public static int MAX_RETRIES

Set number of retries in getSocket method

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connectionPools

protected static HashMap connectionPools

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address

protected ServerAddress address

connection information

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pool

protected LinkedList pool

Pool for this invoker. This is shared between all instances of proxies attached to a specific invoker

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maxPoolSize

protected int maxPoolSize

Constructor Detail

PooledInvokerProxy

public PooledInvokerProxy()

Exposed for externalization.

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PooledInvokerProxy

public PooledInvokerProxy(ServerAddress sa,
                          int maxPoolSize)

Create a new Proxy.

Method Detail

setTPCFactory

public static void setTPCFactory(org.jboss.tm.TransactionPropagationContextFactory tpcf)

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clearPool

public static void clearPool(ServerAddress sa)

Close all sockets in a specific pool.

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clearPools

public static void clearPools()

Close all sockets in all pools

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initPool

protected void initPool()

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getConnection

protected PooledInvokerProxy.ClientSocket getConnection()
                                                 throws Exception

Throws:

Exception

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getPooledConnection

protected PooledInvokerProxy.ClientSocket getPooledConnection()

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getServerHostName

public String getServerHostName()
                         throws Exception

The name of of the server.

Specified by:

getServerHostName in interface Invoker

Throws:

Exception

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getTransactionPropagationContext

public Object getTransactionPropagationContext()
                                        throws SystemException

???

Returns:

the transaction propagation context of the transaction associated with the current thread. Returns null if the transaction manager was never set, or if no transaction is associated with the current thread.

Throws:

SystemException

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invoke

public Object invoke(Invocation invocation)
              throws Exception

The invocation on the delegate, calls the right invoker. Remote if we are remote, local if we are local.

Specified by:

invoke in interface Invoker

Parameters:

invocation - A pointer to the invocation object

Returns:

Return value of method invocation.

Throws:

Exception - Failed to invoke method.

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writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Externalize this instance and handle obtaining the remoteInvoker stub

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

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readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Un-externalize this instance.

Specified by:

readExternal in interface Externalizable

Throws:

IOException

ClassNotFoundException

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