com.sun.enterprise.resource.pool

Class PoolManagerImpl

java.lang.Object

com.sun.enterprise.resource.pool.AbstractPoolManager

com.sun.enterprise.resource.pool.PoolManagerImpl

All Implemented Interfaces:

TransactedPoolManager, PoolManager, ComponentInvocationHandler

@Service
public class PoolManagerImpl
extends AbstractPoolManager
implements ComponentInvocationHandler

Author:

Tony Ng, Aditya Gore

Field Summary

Fields

Modifier and Type	Field and Description
protected static StringManager	localStrings

Fields inherited from interface com.sun.enterprise.resource.pool.PoolManager

BASIC_PASSWORD, GENERIC_CREDENTIAL, KERBV5, LOCAL_TRANSACTION, NO_TRANSACTION, PASSWORD_CREDENTIAL, XA_TRANSACTION

Constructor Summary

Constructors

Constructor and Description
PoolManagerImpl()

Method Summary

Modifier and Type	Method and Description
void	afterPostInvoke(ComponentInvocation.ComponentInvocationType invType, ComponentInvocation prevInv, ComponentInvocation curInv) Called after the curInv has been popped from the invocation stack.
void	afterPreInvoke(ComponentInvocation.ComponentInvocationType invType, ComponentInvocation prevInv, ComponentInvocation curInv) Called after the curInv has been pushed into the invocation stack.
void	badResourceClosed(ResourceHandle resource)
void	beforePostInvoke(ComponentInvocation.ComponentInvocationType invType, ComponentInvocation prevInv, ComponentInvocation curInv) Called before the curInv has been popped from the invocation stack.
void	beforePreInvoke(ComponentInvocation.ComponentInvocationType invType, ComponentInvocation prevInv, ComponentInvocation newInv) Called before the curInv is pushed into the invocation stack.
void	createEmptyConnectionPool(PoolInfo poolInfo, ConnectorConstants.PoolType pt, Hashtable env)
boolean	flushConnectionPool(PoolInfo poolInfo) Flush Connection pool by reinitializing the connections established in the pool.
ResourcePool	getPool(PoolInfo poolInfo)
PoolStatus	getPoolStatus(PoolInfo poolInfo) Get connection pool status.
Object	getResource(ResourceSpec spec, ResourceAllocator alloc, ClientSecurityInfo info) Obtain a transactional resource such as JDBC connection
ResourceHandle	getResourceFromPool(ResourceSpec spec, ResourceAllocator alloc, ClientSecurityInfo info, Transaction tran)
ResourceReferenceDescriptor	getResourceReference(String jndiName, String logicalName)
void	killFreeConnectionsInPools()
void	killPool(PoolInfo poolInfo) Kill the pool with the specified pool name
void	lazyEnlist(javax.resource.spi.ManagedConnection mc) This method gets called by the LazyEnlistableConnectionManagerImpl when a connection needs enlistment, i.e on use of a Statement etc.
void	putbackBadResourceToPool(ResourceHandle h)
void	putbackDirectToPool(ResourceHandle h, PoolInfo poolInfo)
void	putbackResourceToPool(ResourceHandle h, boolean errorOccurred)
void	reconfigPoolProperties(ConnectorConnectionPool ccp)
void	registerPoolLifeCycleListener(PoolLifeCycle poolListener)
void	registerResource(ResourceHandle handle) registers the provided resource with the component & enlists the resource in the transaction
void	resourceAbortOccurred(ResourceHandle resource)
void	resourceClosed(ResourceHandle resource)
void	resourceEnlisted(Transaction tran, ResourceHandle h) Indicate that a resource is enlisted.
void	resourceErrorOccurred(ResourceHandle resource)
boolean	switchOnMatching(PoolInfo poolInfo) Switch on matching in the pool.
void	transactionCompleted(Transaction tran, int status)
void	unregisterPoolLifeCycleListener()
void	unregisterResource(ResourceHandle resource, int xaresFlag) unregisters the resource from the component and delists the resource from the transaction

Methods inherited from class com.sun.enterprise.resource.pool.AbstractPoolManager

emptyResourcePool, getMonitoredPoolTable, killAllPools, setSelfManaged

Methods inherited from class java.lang.Object

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

Field Detail

localStrings

protected static final StringManager localStrings

Constructor Detail

PoolManagerImpl

public PoolManagerImpl()

Method Detail

createEmptyConnectionPool

public void createEmptyConnectionPool(PoolInfo poolInfo,
                                      ConnectorConstants.PoolType pt,
                                      Hashtable env)
                               throws PoolingException

Specified by:

createEmptyConnectionPool in interface PoolManager

Throws:

PoolingException

getResource

public Object getResource(ResourceSpec spec,
                          ResourceAllocator alloc,
                          ClientSecurityInfo info)
                   throws PoolingException,
                          javax.resource.spi.RetryableUnavailableException

Description copied from interface: PoolManager

Obtain a transactional resource such as JDBC connection

Specified by:

getResource in interface PoolManager

Parameters:

spec - Specification for the resource

alloc - Allocator for the resource

info - Client security for this request

Returns:

An object that represents a connection to the resource

Throws:

PoolingException - Thrown if some error occurs while obtaining the resource

javax.resource.spi.RetryableUnavailableException

putbackDirectToPool

public void putbackDirectToPool(ResourceHandle h,
                                PoolInfo poolInfo)

Specified by:

putbackDirectToPool in interface PoolManager

getResourceFromPool

public ResourceHandle getResourceFromPool(ResourceSpec spec,
                                          ResourceAllocator alloc,
                                          ClientSecurityInfo info,
                                          Transaction tran)
                                   throws PoolingException,
                                          javax.resource.spi.RetryableUnavailableException

Specified by:

getResourceFromPool in interface PoolManager

Throws:

PoolingException

javax.resource.spi.RetryableUnavailableException

switchOnMatching

public boolean switchOnMatching(PoolInfo poolInfo)

Switch on matching in the pool.

Specified by:

switchOnMatching in interface PoolManager

Parameters:

poolInfo - Name of the pool

transactionCompleted

public void transactionCompleted(Transaction tran,
                                 int status)
                          throws IllegalStateException

Specified by:

transactionCompleted in interface PoolManager

Throws:

IllegalStateException

resourceEnlisted

public void resourceEnlisted(Transaction tran,
                             ResourceHandle h)
                      throws IllegalStateException

Description copied from interface: TransactedPoolManager

Indicate that a resource is enlisted.

Specified by:

resourceEnlisted in interface TransactedPoolManager

Parameters:

tran - Transaction to which the resource is enlisted

h - Resource that is enlisted

Throws:

IllegalStateException - when unable to enlist the resource

lazyEnlist

public void lazyEnlist(javax.resource.spi.ManagedConnection mc)
                throws javax.resource.ResourceException

This method gets called by the LazyEnlistableConnectionManagerImpl when a connection needs enlistment, i.e on use of a Statement etc.

Specified by:

lazyEnlist in interface PoolManager

Throws:

javax.resource.ResourceException

registerResource

public void registerResource(ResourceHandle handle)
                      throws PoolingException

Description copied from interface: TransactedPoolManager

registers the provided resource with the component & enlists the resource in the transaction

Specified by:

registerResource in interface TransactedPoolManager

Parameters:

handle - resource-handle

Throws:

PoolingException - when unable to register the resource

registerPoolLifeCycleListener

public void registerPoolLifeCycleListener(PoolLifeCycle poolListener)

Specified by:

registerPoolLifeCycleListener in interface PoolManager

unregisterPoolLifeCycleListener

public void unregisterPoolLifeCycleListener()

Specified by:

unregisterPoolLifeCycleListener in interface PoolManager

unregisterResource

public void unregisterResource(ResourceHandle resource,
                               int xaresFlag)

Description copied from interface: TransactedPoolManager

unregisters the resource from the component and delists the resource from the transaction

Specified by:

unregisterResource in interface TransactedPoolManager

Parameters:

resource - resource-handle

resourceClosed

public void resourceClosed(ResourceHandle resource)

Specified by:

resourceClosed in interface PoolManager

badResourceClosed

public void badResourceClosed(ResourceHandle resource)

Specified by:

badResourceClosed in interface PoolManager

resourceErrorOccurred

public void resourceErrorOccurred(ResourceHandle resource)

Specified by:

resourceErrorOccurred in interface PoolManager

resourceAbortOccurred

public void resourceAbortOccurred(ResourceHandle resource)

Specified by:

resourceAbortOccurred in interface PoolManager

putbackBadResourceToPool

public void putbackBadResourceToPool(ResourceHandle h)

Specified by:

putbackBadResourceToPool in interface PoolManager

putbackResourceToPool

public void putbackResourceToPool(ResourceHandle h,
                                  boolean errorOccurred)

Specified by:

putbackResourceToPool in interface PoolManager

getPool

public ResourcePool getPool(PoolInfo poolInfo)

Specified by:

getPool in interface PoolManager

killPool

public void killPool(PoolInfo poolInfo)

Kill the pool with the specified pool name

Specified by:

killPool in interface PoolManager

Parameters:

poolInfo - - The name of the pool to kill

killFreeConnectionsInPools

public void killFreeConnectionsInPools()

Specified by:

killFreeConnectionsInPools in interface PoolManager

getResourceReference

public ResourceReferenceDescriptor getResourceReference(String jndiName,
                                                        String logicalName)

Specified by:

getResourceReference in interface PoolManager

beforePreInvoke

public void beforePreInvoke(ComponentInvocation.ComponentInvocationType invType,
                            ComponentInvocation prevInv,
                            ComponentInvocation newInv)
                     throws InvocationException

Description copied from interface: ComponentInvocationHandler

Called before the curInv is pushed into the invocation stack.

Specified by:

beforePreInvoke in interface ComponentInvocationHandler

Throws:

InvocationException

afterPreInvoke

public void afterPreInvoke(ComponentInvocation.ComponentInvocationType invType,
                           ComponentInvocation prevInv,
                           ComponentInvocation curInv)
                    throws InvocationException

Description copied from interface: ComponentInvocationHandler

Called after the curInv has been pushed into the invocation stack.

Specified by:

afterPreInvoke in interface ComponentInvocationHandler

Throws:

InvocationException

beforePostInvoke

public void beforePostInvoke(ComponentInvocation.ComponentInvocationType invType,
                             ComponentInvocation prevInv,
                             ComponentInvocation curInv)
                      throws InvocationException

Description copied from interface: ComponentInvocationHandler

Called before the curInv has been popped from the invocation stack.

Specified by:

beforePostInvoke in interface ComponentInvocationHandler

Throws:

InvocationException

afterPostInvoke

public void afterPostInvoke(ComponentInvocation.ComponentInvocationType invType,
                            ComponentInvocation prevInv,
                            ComponentInvocation curInv)
                     throws InvocationException

Description copied from interface: ComponentInvocationHandler

Called after the curInv has been popped from the invocation stack.

Specified by:

afterPostInvoke in interface ComponentInvocationHandler

Throws:

InvocationException

reconfigPoolProperties

public void reconfigPoolProperties(ConnectorConnectionPool ccp)
                            throws PoolingException

Specified by:

reconfigPoolProperties in interface PoolManager

Throws:

PoolingException

flushConnectionPool

public boolean flushConnectionPool(PoolInfo poolInfo)
                            throws PoolingException

Flush Connection pool by reinitializing the connections established in the pool.

Specified by:

flushConnectionPool in interface PoolManager

Parameters:

poolInfo -

Throws:

PoolingException

getPoolStatus

public PoolStatus getPoolStatus(PoolInfo poolInfo)

Get connection pool status.

Specified by:

getPoolStatus in interface PoolManager

Parameters:

poolInfo -

Returns: