cgl.narada.wsinfra.wsr.storage.impl
Class WsrGroupInfoStorageOperationsImpl

java.lang.Object
  cgl.narada.wsinfra.wsr.storage.impl.WsrGroupInfoStorageOperationsImpl

All Implemented Interfaces:

WsrGroupInfoStorageOperations

public class WsrGroupInfoStorageOperationsImpl

extends Object

implements WsrGroupInfoStorageOperations

Constructor Summary

WsrGroupInfoStorageOperationsImpl()

WsrGroupInfoStorageOperationsImpl(Connection connection)

Method Summary

void	addDestinationGroupIdPair(String destination, String groupId) Stores the GroupId that should be used while communicating with a given destination.
void	deleteGroupInfo(String groupId) Removes the GroupInfo corresponding to the specified groupId.
String	getDestinationForGroupId(String groupId) Retrieves the destination for a specific groupId
String[]	getGroupIdsForDestination(String destination) Retrieve the GroupIds for a specific destination
WsrGroupInfoImpl	getGroupInfoUsingGroupId(String groupId) Retrieves the GroupInfo corresponding to the specified groupId.
String[]	getListOfAllGroups(boolean isSource) Retrieves the entire list of groupIds registered with the underlying service.
long	getSequenceNumberLastDelivered(String groupId) Retrieves the sequence number that was last Delivered on a given group.
boolean	hasGroupIdForDestination(String destination) Checks to see if there is a groupId/destination pair corresponding to the destination in question.
boolean	isGroupExists(String groupId) A method which checks whether a certain group (irrespective of whether it is active/terminated/expired/timed-out) is a exits(from Sink point of view) at this node
boolean	isKnownGroup(String groupId) A method which checks whether a certain group (irrespective of whether it is active/terminated/expired/timed-out) is a known group at this node
void	removeDestinationGroupIdPair(String groupId) Removes the destination/group identifier pair corresponding to this groupId
void	storeCreatedGroup(WsrGroupInfoImpl wsrGroupInfo) Store a GroupInfo object.

Methods inherited from class java.lang.Object

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

Constructor Detail

WsrGroupInfoStorageOperationsImpl

public WsrGroupInfoStorageOperationsImpl()

WsrGroupInfoStorageOperationsImpl

public WsrGroupInfoStorageOperationsImpl(Connection connection)

Method Detail

addDestinationGroupIdPair

public void addDestinationGroupIdPair(String destination,
                                      String groupId)
                               throws WsrStorageException

Description copied from interface: WsrGroupInfoStorageOperations

Stores the GroupId that should be used while communicating with a given destination. This feature allows us to send messages reliably with minimal intervention from the application.

Specified by:

addDestinationGroupIdPair in interface WsrGroupInfoStorageOperations

Throws:

WsrStorageException

getGroupIdsForDestination

public String[] getGroupIdsForDestination(String destination)
                                   throws WsrStorageException

Description copied from interface: WsrGroupInfoStorageOperations

Retrieve the GroupIds for a specific destination

Specified by:

getGroupIdsForDestination in interface WsrGroupInfoStorageOperations

Throws:

WsrStorageException

getDestinationForGroupId

public String getDestinationForGroupId(String groupId)
                                throws WsrStorageException

Description copied from interface: WsrGroupInfoStorageOperations

Retrieves the destination for a specific groupId

Specified by:

getDestinationForGroupId in interface WsrGroupInfoStorageOperations

Throws:

WsrStorageException

removeDestinationGroupIdPair

public void removeDestinationGroupIdPair(String groupId)
                                  throws WsrStorageException

Description copied from interface: WsrGroupInfoStorageOperations

Removes the destination/group identifier pair corresponding to this groupId

Specified by:

removeDestinationGroupIdPair in interface WsrGroupInfoStorageOperations

Throws:

WsrStorageException

hasGroupIdForDestination

public boolean hasGroupIdForDestination(String destination)
                                 throws WsrStorageException

Checks to see if there is a groupId/destination pair corresponding to the destination in question.

Specified by:

hasGroupIdForDestination in interface WsrGroupInfoStorageOperations

Throws:

WsrStorageException

getSequenceNumberLastDelivered

public long getSequenceNumberLastDelivered(String groupId)
                                    throws WsrStorageException

Description copied from interface: WsrGroupInfoStorageOperations

Retrieves the sequence number that was last Delivered on a given group. This method throws an exception if the group specified by groupId is an unknown one or if there are storage related problems.

Specified by:

getSequenceNumberLastDelivered in interface WsrGroupInfoStorageOperations

Throws:

WsrStorageException

isKnownGroup

public boolean isKnownGroup(String groupId)
                     throws WsrStorageException

A method which checks whether a certain group (irrespective of whether it is active/terminated/expired/timed-out) is a known group at this node

Specified by:

isKnownGroup in interface WsrGroupInfoStorageOperations

Throws:

WsrStorageException

isGroupExists

public boolean isGroupExists(String groupId)
                      throws WsrStorageException

Description copied from interface: WsrGroupInfoStorageOperations

A method which checks whether a certain group (irrespective of whether it is active/terminated/expired/timed-out) is a exits(from Sink point of view) at this node

Specified by:

isGroupExists in interface WsrGroupInfoStorageOperations

Throws:

WsrStorageException

storeCreatedGroup

public void storeCreatedGroup(WsrGroupInfoImpl wsrGroupInfo)
                       throws WsrStorageException

Description copied from interface: WsrGroupInfoStorageOperations

Store a GroupInfo object. This method throws an exception under the following circumstances
The groupId in the GroupInfo already exists.
Storage related problems

Specified by:

storeCreatedGroup in interface WsrGroupInfoStorageOperations

Throws:

WsrStorageException

getGroupInfoUsingGroupId

public WsrGroupInfoImpl getGroupInfoUsingGroupId(String groupId)
                                          throws WsrStorageException

Description copied from interface: WsrGroupInfoStorageOperations

Retrieves the GroupInfo corresponding to the specified groupId. This method throws an exception under the following conditions.
The Group specified in groupId is an unknown one.
Storage related problems

Specified by:

getGroupInfoUsingGroupId in interface WsrGroupInfoStorageOperations

Throws:

WsrStorageException

deleteGroupInfo

public void deleteGroupInfo(String groupId)
                     throws WsrStorageException

Description copied from interface: WsrGroupInfoStorageOperations

Removes the GroupInfo corresponding to the specified groupId. This method throws an exception under the following conditions.
The Group specified in groupId is an unknown one.
Storage related problems

Specified by:

deleteGroupInfo in interface WsrGroupInfoStorageOperations

Throws:

WsrStorageException

getListOfAllGroups

public String[] getListOfAllGroups(boolean isSource)
                            throws WsrStorageException

Description copied from interface: WsrGroupInfoStorageOperations

Retrieves the entire list of groupIds registered with the underlying service. This method throws an exception if there are storage related problems.

Specified by:

getListOfAllGroups in interface WsrGroupInfoStorageOperations

Throws:

WsrStorageException