com.sun.enterprise.resource.pool

Interface ResourceHandler

All Known Implementing Classes:

AssocWithThreadResourcePool, ConnectionPool, UnpooledResource

public interface ResourceHandler

ResourceHandler to create/delete resource

Author:

Jagadish Ramu

Method Summary

Modifier and Type	Method and Description
ResourceHandle	createResource(ResourceAllocator allocator) create a new resource using the given resource-allocator
void	createResourceAndAddToPool() create a new resource and add it to pool (using default resource-allocator)
void	deleteResource(ResourceHandle resourceHandle) destroys the given resource
Set	getInvalidConnections(Set connections) gets the invalid connections from the given connections set
void	invalidConnectionDetected(ResourceHandle h) callback method to handle the case of invalid connection detected

Method Detail

deleteResource

void deleteResource(ResourceHandle resourceHandle)

destroys the given resource

Parameters:

resourceHandle - resource to be destroyed

createResource

ResourceHandle createResource(ResourceAllocator allocator)
                       throws PoolingException

create a new resource using the given resource-allocator

Parameters:

allocator - allocator to create a resource

Returns:

newly created resource

Throws:

PoolingException - when unable to create a resource

createResourceAndAddToPool

void createResourceAndAddToPool()
                         throws PoolingException

create a new resource and add it to pool (using default resource-allocator)

Throws:

PoolingException - when unable to create a resource

getInvalidConnections

Set getInvalidConnections(Set connections)
                   throws javax.resource.ResourceException

gets the invalid connections from the given connections set

Parameters:

connections - that need to be validated

Returns:

invalid connections set

Throws:

javax.resource.ResourceException - when unable to validate

invalidConnectionDetected

void invalidConnectionDetected(ResourceHandle h)

callback method to handle the case of invalid connection detected

Parameters:

h - connection that is invalid