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com.go.trove.net
Class LazySocketFactory  

java.lang.Object
  com.go.trove.net.LazySocketFactory

All Implemented Interfaces:

SocketFactory

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public class LazySocketFactory

extends java.lang.Object

implements SocketFactory

A socket implementation that lazily establishs a connection. It only connects when actually needed. Setting options and getting I/O streams will not force a connection to be established. As soon as a read or write operation is performed, a connection is established.

If the first write operation requires a connection to be established, then a recycled connection is requested. The connection is tested by writing the data to it. If this fails, a new connection is requested and the operation is tried again.

Version:

4 , 00/12/05

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Field Summary
private  SocketFactory	mFactory

 

Constructor Summary

LazySocketFactory(SocketFactory factory)

 

Method Summary
void	clear()           Closes all recycled connections, but does not prevent new connections from being created and recycled.
CheckedSocket	createSocket()           Must always return a new socket connection.
CheckedSocket	createSocket(long timeout)           Returns a new socket connection.
CheckedSocket	createSocket(java.lang.Object session)           Returns a new socket connection.
CheckedSocket	createSocket(java.lang.Object session, long timeout)           Returns a new socket connection.
int	getAvailableCount()           Returns the number of recycled sockets currently available.
long	getDefaultTimeout()           Returns the default timeout for creating or getting sockets or -1 if infinite.
InetAddressAndPort	getInetAddressAndPort()           Returns the InetAddress and port that this factory will most likely connect to.
InetAddressAndPort	getInetAddressAndPort(java.lang.Object session)           Returns the InetAddress and port that this factory will most likely connect to.
CheckedSocket	getSocket()           Returns a socket that will lazily connect.
CheckedSocket	getSocket(long timeout)           Returns a socket that will lazily connect.
CheckedSocket	getSocket(java.lang.Object session)           Returns a socket that will lazily connect.
CheckedSocket	getSocket(java.lang.Object session, long timeout)           Returns a socket that will lazily connect.
void	recycleSocket(CheckedSocket cs)           Recycle a socket connection that was returned from the getSocket or createSocket methods.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

mFactory

private final SocketFactory mFactory

Constructor Detail

LazySocketFactory

public LazySocketFactory(SocketFactory factory)

Method Detail

getInetAddressAndPort

public InetAddressAndPort getInetAddressAndPort()

Description copied from interface: SocketFactory

Returns the InetAddress and port that this factory will most likely connect to. If the address isn't precisely known, its value is 0.0.0.0. If the port isn't known, its value is -1.

Specified by:

getInetAddressAndPort in interface SocketFactory

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getInetAddressAndPort

public InetAddressAndPort getInetAddressAndPort(java.lang.Object session)

Description copied from interface: SocketFactory

Returns the InetAddress and port that this factory will most likely connect to. If the address isn't precisely known, its value is 0.0.0.0. If the port isn't known, its value is -1.

Specified by:

getInetAddressAndPort in interface SocketFactory

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getDefaultTimeout

public long getDefaultTimeout()

Description copied from interface: SocketFactory

Returns the default timeout for creating or getting sockets or -1 if infinite.

Specified by:

getDefaultTimeout in interface SocketFactory

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createSocket

public CheckedSocket createSocket()
                           throws java.net.ConnectException,
                                  java.net.SocketException

Description copied from interface: SocketFactory

Must always return a new socket connection. When the socket is no longer needed, call recycleSocket so that it be used again.

Specified by:

createSocket in interface SocketFactory

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createSocket

public CheckedSocket createSocket(java.lang.Object session)
                           throws java.net.ConnectException,
                                  java.net.SocketException

Description copied from interface: SocketFactory

Returns a new socket connection. When the socket is no longer needed, call recycleSocket so that it be used again.

Specified by:

createSocket in interface SocketFactory

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createSocket

public CheckedSocket createSocket(long timeout)
                           throws java.net.ConnectException,
                                  java.net.SocketException

Description copied from interface: SocketFactory

Returns a new socket connection. When the socket is no longer needed, call recycleSocket so that it be used again.

Specified by:

createSocket in interface SocketFactory

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createSocket

public CheckedSocket createSocket(java.lang.Object session,
                                  long timeout)
                           throws java.net.ConnectException,
                                  java.net.SocketException

Description copied from interface: SocketFactory

Returns a new socket connection. When the socket is no longer needed, call recycleSocket so that it be used again.

Specified by:

createSocket in interface SocketFactory

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getSocket

public CheckedSocket getSocket()
                        throws java.net.ConnectException,
                               java.net.SocketException

Returns a socket that will lazily connect.

Specified by:

getSocket in interface SocketFactory

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getSocket

public CheckedSocket getSocket(java.lang.Object session)
                        throws java.net.ConnectException,
                               java.net.SocketException

Returns a socket that will lazily connect.

Specified by:

getSocket in interface SocketFactory

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getSocket

public CheckedSocket getSocket(long timeout)
                        throws java.net.ConnectException,
                               java.net.SocketException

Returns a socket that will lazily connect.

Specified by:

getSocket in interface SocketFactory

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getSocket

public CheckedSocket getSocket(java.lang.Object session,
                               long timeout)
                        throws java.net.ConnectException,
                               java.net.SocketException

Returns a socket that will lazily connect.

Specified by:

getSocket in interface SocketFactory

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recycleSocket

public void recycleSocket(CheckedSocket cs)
                   throws java.net.SocketException,
                          java.lang.IllegalArgumentException

Description copied from interface: SocketFactory

Recycle a socket connection that was returned from the getSocket or createSocket methods. Since SocketFactory has no knowledge of any protocol being used on the socket, it is the responsibility of the caller to ensure the socket is in a "clean" state. Depending on implementation, the recycled socket may simply be closed.

Specified by:

recycleSocket in interface SocketFactory

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clear

public void clear()

Description copied from interface: SocketFactory

Closes all recycled connections, but does not prevent new connections from being created and recycled.

Specified by:

clear in interface SocketFactory

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getAvailableCount

public int getAvailableCount()

Description copied from interface: SocketFactory

Returns the number of recycled sockets currently available.

Specified by:

getAvailableCount in interface SocketFactory

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