jrun.jms.core.messagemgr
Class AbstractMessageHandle

java.lang.Object
  |
  +--jrun.jms.core.messagemgr.AbstractMessageHandle

All Implemented Interfaces:

java.io.Externalizable, MessageHandle, java.io.Serializable

Direct Known Subclasses:

PersistentMessageHandle, TransientMessageHandle

public class AbstractMessageHandle

extends java.lang.Object

implements MessageHandle

A message handle is used to indirectly reference a message in the message manager. It can be resolved through the MessageManager

Version:

$Revision: 1.6 $ $Date: 2001/09/18 10:50:34 $

Author:

Jim Alateras

See Also:

Serialized Form

Constructor Summary

AbstractMessageHandle()
Default constructor required to support Serialization

Method Summary

void	clear() Clear the message handle
void	destroy() Destroy this handle
boolean	equals(java.lang.Object object)
long	getAcceptedTime() Return time that the corresponding message was accepted.
long	getClientId() Retrieve the client identity associated with this handle
boolean	getDelivered() Check whether an attempt has already been made to deliver the message before.
JmsDestination	getDestination() Return the destination for this handle
long	getExpiryTime() Return the message expiry time
MessageImpl	getMessage() Return the associated message or null if it is invalid
MessageId	getMessageId() Return the message id
int	getPriority() Return the priority of the underlying message
long	getSequenceNumber() Return message's sequence number
int	hashCode()
void	readExternal(java.io.ObjectInput stream)
void	setAcceptedTime(long time) Set the time that the message was accepted by the server
void	setClientId(long clientId) Set the client id, that owns this handle
void	setDelivered() Set the message, corresponding to this handle, has already been delivered once before
void	setDelivered(boolean value) Set the delivered flag for the underlying message.
void	setDestination(JmsDestination destination) Set the destination that owns this handle
void	setExpiryTime(long time) Set the message expiry time
void	setMessageId(MessageId id) Set the message identity
void	setPriority(int priority) Set the message priority
void	setSequenceNumber(long seq) Set the message's sequence number
java.lang.String	toString() Return a stringified version of the handle
void	writeExternal(java.io.ObjectOutput stream)

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

AbstractMessageHandle

public AbstractMessageHandle()

Default constructor required to support Serialization

Method Detail

getMessageId

public MessageId getMessageId()

Return the message id

Specified by:

getMessageId in interface MessageHandle

Returns:

MessgeId

setMessageId

public void setMessageId(MessageId id)

Set the message identity

Parameters:

id - - the message identity

setDelivered

public void setDelivered()

Set the message, corresponding to this handle, has already been delivered once before

Specified by:

setDelivered in interface MessageHandle

setDelivered

public void setDelivered(boolean value)

Set the delivered flag for the underlying message. True if an attempt has been made to deliver the message

Parameters:

value - - true if delivered

getDelivered

public boolean getDelivered()

Check whether an attempt has already been made to deliver the message before.

Specified by:

getDelivered in interface MessageHandle

Returns:

boolean - true implies redelivery attempted

setPriority

public void setPriority(int priority)

Set the message priority

Specified by:

setPriority in interface MessageHandle

Parameters:

int - - the message priority

getPriority

public int getPriority()

Return the priority of the underlying message

Specified by:

getPriority in interface MessageHandle

Returns:

int - message priority

setAcceptedTime

public void setAcceptedTime(long time)

Set the time that the message was accepted by the server

Specified by:

setAcceptedTime in interface MessageHandle

Parameters:

time - - accepted time

getAcceptedTime

public long getAcceptedTime()

Return time that the corresponding message was accepted.

Specified by:

getAcceptedTime in interface MessageHandle

Returns:

long - the accepted time.

setExpiryTime

public void setExpiryTime(long time)

Set the message expiry time

Specified by:

setExpiryTime in interface MessageHandle

Following copied from interface: jrun.jms.core.message.MessageHandle

Parameters:

time - - time that it was set in ms

getExpiryTime

public long getExpiryTime()

Return the message expiry time

Specified by:

getExpiryTime in interface MessageHandle

Returns:

long - time in ms since epoch

setSequenceNumber

public void setSequenceNumber(long seq)

Set the message's sequence number

Specified by:

setSequenceNumber in interface MessageHandle

Parameters:

seq - - sequence time

getSequenceNumber

public long getSequenceNumber()

Return message's sequence number

Specified by:

getSequenceNumber in interface MessageHandle

Returns:

long - the sequence number

setDestination

public void setDestination(JmsDestination destination)

Set the destination that owns this handle

Specified by:

setDestination in interface MessageHandle

Parameters:

destination - - the destination

getDestination

public JmsDestination getDestination()

Return the destination for this handle

Specified by:

getDestination in interface MessageHandle

Returns:

JmsDestination

setClientId

public void setClientId(long clientId)

Set the client id, that owns this handle

Specified by:

setClientId in interface MessageHandle

Parameters:

clientId - - client identity

getClientId

public long getClientId()

Retrieve the client identity associated with this handle

Specified by:

getClientId in interface MessageHandle

Returns:

long

getMessage

public MessageImpl getMessage()

Return the associated message or null if it is invalid

Specified by:

getMessage in interface MessageHandle

Returns:

MessageImpl

toString

public java.lang.String toString()

Return a stringified version of the handle

Overrides:

toString in class java.lang.Object

Returns:

String

clear

public void clear()

Clear the message handle

Specified by:

clear in interface MessageHandle

destroy

public void destroy()

Destroy this handle

Specified by:

destroy in interface MessageHandle

equals

public boolean equals(java.lang.Object object)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

writeExternal

public void writeExternal(java.io.ObjectOutput stream)
                   throws java.io.IOException

Specified by:

writeExternal in interface java.io.Externalizable

readExternal

public void readExternal(java.io.ObjectInput stream)
                  throws java.io.IOException,
                         java.lang.ClassNotFoundException

Specified by:

readExternal in interface java.io.Externalizable