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Java Source Code / Java Documentation » EJB Server resin 3.1.5 » resin » com.caucho.jca

Source Cross Reference

Class Diagram

Java Document (Java Doc)

java.lang .Object

com.caucho.jca .PoolItem

PoolItem
class PoolItem implements ConnectionEventListener,XAResource(Code)
	Implementation of the connection manager manager.

Field Summary
UserPoolItem	_shareHead
final Object	_shareLock

Constructor Summary
public	PoolItem(ConnectionPool cm, ManagedConnectionFactory mcf, ManagedConnection conn)

Method Summary
void	abortConnection() Closes the connection.
Object	allocateConnection() Returns the user connection.
UserPoolItem	allocateXA(ManagedConnectionFactory mcf, Subject subject, ConnectionRequestInfo info) Use the item only if it's already been used for the current transaction and is available.
public void	commit(Xid xid, boolean onePhase)
public void	connectionClosed(ConnectionEvent event) Notifies that an application has closed the connection.
public void	connectionErrorOccurred(ConnectionEvent event) Notifies that a connection error has occurred.
void	destroy() Closes the connection.
void	enableLocalTransactionOptimization(boolean enableOptimization) Returns the XA resource.
public void	end(Xid xid, int flags) Ends work with the resource.
public void	forget(Xid xid)
public IllegalStateException	getAllocationStackTrace() Returns the allocation stack trace.
public long	getEventTime() Returns the time of the last event.
ManagedConnection	getManagedConnection() Returns the managed connection.
public long	getStartTime() Returns the time the connection was first used.
public int	getTransactionTimeout() Returns the timeout of the underlying resource.
XAResource	getXAResource() Returns the XA resource.
Xid	getXid() Returns the Xid resource.
public boolean	isActive() Returns true if the connection is active.
public boolean	isConnectionError() Returns true if there was a connection error.
public boolean	isDead()
boolean	isJoin(PoolItem item) Returns true if the tested pool item is the Xid leader.
public boolean	isSameRM(XAResource resource)
synchronized boolean	isValid() Checks if the pool item is still valid.
boolean	isValid(Subject subject, ConnectionRequestInfo requestInfo, UserPoolItem userPoolItem) Returns true for a valid connection.
public void	localTransactionCommitted(ConnectionEvent event) Notifies that a local transaction has committed.
public void	localTransactionRolledback(ConnectionEvent event) Notifies that a local transaction has rolled back.
public void	localTransactionStarted(ConnectionEvent event) Notifies that a local transaction has started.
public int	prepare(Xid xid) Vote using phase-1 of the 2-phase commit.
public Xid[]	recover(int flag)
public void	rollback(Xid xid)
public void	setConnectionError() Notifies that a connection error has occurred.
public void	setInfo(ConnectionRequestInfo info) Sets the info.
public void	setSubject(Subject subject) Sets the subject.
void	setTransaction(UserTransactionImpl transaction) Sets the item's transaction.
public boolean	setTransactionTimeout(int seconds)
boolean	share(UserPoolItem userPoolItem) Try to share the connection.
public void	start(Xid xid, int flags)
boolean	supportsTransaction() Returns true if the pooled connection supports transactions.
synchronized UserPoolItem	toActive(Subject subject, ConnectionRequestInfo info, UserPoolItem userPoolItem) Make this connection active.
void	toIdle() Changes the state to idle.
public String	toString()

Field Detail

_shareHead
UserPoolItem _shareHead(Code)

_shareLock
final Object _shareLock(Code)

Constructor Detail

PoolItem
public PoolItem(ConnectionPool cm, ManagedConnectionFactory mcf, ManagedConnection conn)(Code)

Method Detail

abortConnection
void abortConnection()(Code)
	Closes the connection.

allocateConnection
Object allocateConnection() throws ResourceException(Code)
	Returns the user connection.

allocateXA

UserPoolItem allocateXA(ManagedConnectionFactory mcf, Subject subject, ConnectionRequestInfo info)(Code)

Use the item only if it's already been used for the current transaction and is available. allocateXA returns the same connection for the following case:

 UserTransaction.begin();
 conn = ds.getConnection();
 ...
 conn.close();
 conn = ds.getConnection();
 ...
 conn.close();

Nested connections are not reused.
Parameters:
xid - the current transaction id true if the pool item has been allocated

commit
public void commit(Xid xid, boolean onePhase) throws XAException(Code)
	commit the resource

connectionClosed
public void connectionClosed(ConnectionEvent event)(Code)
	Notifies that an application has closed the connection.

connectionErrorOccurred
public void connectionErrorOccurred(ConnectionEvent event)(Code)
	Notifies that a connection error has occurred.

destroy
void destroy() throws ResourceException(Code)
	Closes the connection.

enableLocalTransactionOptimization
void enableLocalTransactionOptimization(boolean enableOptimization)(Code)
	Returns the XA resource.

end
public void end(Xid xid, int flags) throws XAException(Code)
	Ends work with the resource. Called before commit/rollback.

forget
public void forget(Xid xid) throws XAException(Code)
	forget about the transaction

getAllocationStackTrace
public IllegalStateException getAllocationStackTrace()(Code)
	Returns the allocation stack trace.

getEventTime
public long getEventTime()(Code)
	Returns the time of the last event.

getManagedConnection
ManagedConnection getManagedConnection()(Code)
	Returns the managed connection.

getStartTime
public long getStartTime()(Code)
	Returns the time the connection was first used.

getTransactionTimeout
public int getTransactionTimeout() throws XAException(Code)
	Returns the timeout of the underlying resource.

getXAResource
XAResource getXAResource()(Code)
	Returns the XA resource.

getXid
Xid getXid()(Code)
	Returns the Xid resource.

isActive
public boolean isActive()(Code)
	Returns true if the connection is active.

isConnectionError
public boolean isConnectionError()(Code)
	Returns true if there was a connection error.

isDead
public boolean isDead()(Code)
	Returns true if the connection is dead

isJoin
boolean isJoin(PoolItem item)(Code)
	Returns true if the tested pool item is the Xid leader.

isSameRM
public boolean isSameRM(XAResource resource) throws XAException(Code)
	identity of resources

isValid
synchronized boolean isValid()(Code)
	Checks if the pool item is still valid. true if the pool item is valid, false if it should be removed.

isValid
boolean isValid(Subject subject, ConnectionRequestInfo requestInfo, UserPoolItem userPoolItem)(Code)
	Returns true for a valid connection.

localTransactionCommitted
public void localTransactionCommitted(ConnectionEvent event)(Code)
	Notifies that a local transaction has committed.

localTransactionRolledback
public void localTransactionRolledback(ConnectionEvent event)(Code)
	Notifies that a local transaction has rolled back.

localTransactionStarted
public void localTransactionStarted(ConnectionEvent event)(Code)
	Notifies that a local transaction has started.

prepare
public int prepare(Xid xid) throws XAException(Code)
	Vote using phase-1 of the 2-phase commit.

recover
public Xid[] recover(int flag) throws XAException(Code)
	recover the transaction

rollback
public void rollback(Xid xid) throws XAException(Code)
	rollback the resource

setConnectionError
public void setConnectionError()(Code)
	Notifies that a connection error has occurred.

setInfo
public void setInfo(ConnectionRequestInfo info)(Code)
	Sets the info.

setSubject
public void setSubject(Subject subject)(Code)
	Sets the subject.

setTransaction
void setTransaction(UserTransactionImpl transaction)(Code)
	Sets the item's transaction.

setTransactionTimeout
public boolean setTransactionTimeout(int seconds) throws XAException(Code)
	Sets the transaction timeout

share
boolean share(UserPoolItem userPoolItem)(Code)
	Try to share the connection.

start
public void start(Xid xid, int flags) throws XAException(Code)
	starts work on a transaction branch

supportsTransaction
boolean supportsTransaction()(Code)
	Returns true if the pooled connection supports transactions.

toActive
synchronized UserPoolItem toActive(Subject subject, ConnectionRequestInfo info, UserPoolItem userPoolItem) throws ResourceException(Code)
	Make this connection active. true if the pool item is valid, false if it should be removed.

toIdle
void toIdle()(Code)
	Changes the state to idle.

toString
public String toString()(Code)

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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