org.apache.cxf.ws.rm.soap
Class RetransmissionQueueImpl

java.lang.Object
  org.apache.cxf.ws.rm.soap.RetransmissionQueueImpl

All Implemented Interfaces:

RetransmissionQueue

public class RetransmissionQueueImpl
extends Object
implements RetransmissionQueue

Nested Class Summary

protected class	RetransmissionQueueImpl.ResendCandidate Represents a candidate for resend, i.e.
static interface	RetransmissionQueueImpl.Resender Encapsulates actual resend logic (pluggable to facilitate unit testing)

Field Summary

Fields inherited from interface org.apache.cxf.ws.rm.RetransmissionQueue

DEFAULT_BASE_RETRANSMISSION_INTERVAL, DEFAULT_EXPONENTIAL_BACKOFF

Constructor Summary

RetransmissionQueueImpl(RMManager m)

Method Summary

void	addUnacknowledged(Message message) Accepts a new message for possible future retransmission.
protected RetransmissionQueueImpl.ResendCandidate	cacheUnacknowledged(Message message) Accepts a new resend candidate.
int	countUnacknowledged(SourceSequence seq)
protected RetransmissionQueueImpl.ResendCandidate	createResendCandidate(Message message)
protected JaxbAssertion<RMAssertion>	getAssertion(AssertionInfo ai)
protected RetransmissionQueueImpl.Resender	getDefaultResender() Create default Resender logic.
protected int	getExponentialBackoff()
RMManager	getManager()
RetransmissionStatus	getRetransmissionStatus(SourceSequence seq, long num) Returns the retransmission status for the specified message.
Map<Long,RetransmissionStatus>	getRetransmissionStatuses(SourceSequence seq) Return the retransmission status of all the messages assigned to the sequence.
protected List<RetransmissionQueueImpl.ResendCandidate>	getSequenceCandidates(SourceSequence seq)
protected List<RetransmissionQueueImpl.ResendCandidate>	getSequenceCandidates(String key)
protected Map<String,List<RetransmissionQueueImpl.ResendCandidate>>	getUnacknowledged()
List<Long>	getUnacknowledgedMessageNumbers(SourceSequence seq)
boolean	isEmpty()
protected boolean	isSequenceSuspended(String key)
void	purgeAcknowledged(SourceSequence seq) Purge all candidates for the given sequence that have been acknowledged.
protected void	replaceResender(RetransmissionQueueImpl.Resender replacement) Plug in replacement resend logic (facilitates unit testing).
void	resume(SourceSequence seq) Resumes the retransmission attempts for the specified sequence
void	setManager(RMManager m)
void	start() Initiate resends.
void	stop(SourceSequence seq) Stops resending messages for the specified source sequence.
void	suspend(SourceSequence seq) Suspends the retransmission attempts for the specified sequence

Methods inherited from class java.lang.Object

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

Constructor Detail

RetransmissionQueueImpl

public RetransmissionQueueImpl(RMManager m)

Method Detail

getManager

public RMManager getManager()

setManager

public void setManager(RMManager m)

addUnacknowledged

public void addUnacknowledged(Message message)

Description copied from interface: RetransmissionQueue

Accepts a new message for possible future retransmission.

Specified by:

addUnacknowledged in interface RetransmissionQueue

Parameters:

message - the message context.

countUnacknowledged

public int countUnacknowledged(SourceSequence seq)

Specified by:

countUnacknowledged in interface RetransmissionQueue

Parameters:

seq - the sequence under consideration

Returns:

the number of unacknowledged messages for that sequence

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface RetransmissionQueue

Returns:

true if there are no unacknowledged messages in the queue

purgeAcknowledged

public void purgeAcknowledged(SourceSequence seq)

Purge all candidates for the given sequence that have been acknowledged.

Specified by:

purgeAcknowledged in interface RetransmissionQueue

Parameters:

seq - the sequence object.

getUnacknowledgedMessageNumbers

public List<Long> getUnacknowledgedMessageNumbers(SourceSequence seq)

Specified by:

getUnacknowledgedMessageNumbers in interface RetransmissionQueue

Returns:

getRetransmissionStatus

public RetransmissionStatus getRetransmissionStatus(SourceSequence seq,
                                                    long num)

Description copied from interface: RetransmissionQueue

Returns the retransmission status for the specified message.

Specified by:

getRetransmissionStatus in interface RetransmissionQueue

Returns:

getRetransmissionStatuses

public Map<Long,RetransmissionStatus> getRetransmissionStatuses(SourceSequence seq)

Description copied from interface: RetransmissionQueue

Return the retransmission status of all the messages assigned to the sequence.

Specified by:

getRetransmissionStatuses in interface RetransmissionQueue

Returns:

start

public void start()

Initiate resends.

Specified by:

start in interface RetransmissionQueue

stop

public void stop(SourceSequence seq)

Stops resending messages for the specified source sequence.

Specified by:

stop in interface RetransmissionQueue

suspend

public void suspend(SourceSequence seq)

Description copied from interface: RetransmissionQueue

Suspends the retransmission attempts for the specified sequence

Specified by:

suspend in interface RetransmissionQueue

resume

public void resume(SourceSequence seq)

Description copied from interface: RetransmissionQueue

Resumes the retransmission attempts for the specified sequence

Specified by:

resume in interface RetransmissionQueue

getExponentialBackoff

protected int getExponentialBackoff()

Returns:

the exponential backoff

createResendCandidate

protected RetransmissionQueueImpl.ResendCandidate createResendCandidate(Message message)

Parameters:

message - the message context

Returns:

a ResendCandidate

cacheUnacknowledged

protected RetransmissionQueueImpl.ResendCandidate cacheUnacknowledged(Message message)

Accepts a new resend candidate.

Parameters:

ctx - the message context.

Returns:

ResendCandidate

getUnacknowledged

protected Map<String,List<RetransmissionQueueImpl.ResendCandidate>> getUnacknowledged()

Returns:

a map relating sequence ID to a lists of un-acknowledged messages for that sequence

getSequenceCandidates

protected List<RetransmissionQueueImpl.ResendCandidate> getSequenceCandidates(SourceSequence seq)

Parameters:

seq - the sequence under consideration

Returns:

the list of resend candidates for that sequence

getSequenceCandidates

protected List<RetransmissionQueueImpl.ResendCandidate> getSequenceCandidates(String key)

Parameters:

key - the sequence identifier under consideration

Returns:

the list of resend candidates for that sequence

isSequenceSuspended

protected boolean isSequenceSuspended(String key)

Parameters:

key - the sequence identifier under consideration

Returns:

true if the sequence is currently suspended; false otherwise

getDefaultResender

protected final RetransmissionQueueImpl.Resender getDefaultResender()

Create default Resender logic.

Returns:

default Resender

replaceResender

protected void replaceResender(RetransmissionQueueImpl.Resender replacement)

Plug in replacement resend logic (facilitates unit testing).

Parameters:

replacement - resend logic

getAssertion

protected JaxbAssertion<RMAssertion> getAssertion(AssertionInfo ai)