Package com.c8db.internal

Class C8StreamImpl

java.lang.Object

com.c8db.internal.C8Executeable<E>

com.c8db.internal.InternalC8Stream<C8DBImpl,C8DatabaseImpl,C8ExecutorSync>

com.c8db.internal.C8StreamImpl

All Implemented Interfaces:

C8SerializationAccessor, C8Stream

public class C8StreamImpl
extends InternalC8Stream<C8DBImpl,C8DatabaseImpl,C8ExecutorSync>
implements C8Stream

Field Summary

Fields inherited from class com.c8db.internal.InternalC8Stream

PATH_API_STREAMS

Fields inherited from class com.c8db.internal.C8Executeable

context, executor, util

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	C8StreamImpl(C8DatabaseImpl db, String name)

Method Summary

Modifier and Type	Method	Description
void	deleteSubscription(String subscriptionName, boolean isLocal)	Delete a subscription.
void	expireMessagesInSeconds(String subscriptionName, int expireTimeInSeconds, boolean isLocal)	Expire messages on a stream subscription.
C8StreamBacklogEntity	getBacklog(boolean isLocal)	Get estimated backlog for offline stream.
C8StreamStatisticsEntity	getStatistics(boolean isLocal)	Get the statistics for the given stream.
Collection<String>	getSubscriptions(boolean isLocal)	Get the list of persistent subscriptions for a given stream.
void	resetCursor(String subscriptionName, boolean isLocal)	Disconnect all active consumers for a cursor and reset the cursor.
void	resetCursorToTimestamp(String subscriptionName, int timestamp, boolean isLocal)	Reset subscription to message position closest to absolute timestamp (in miliseconds).
void	skipAllMessages(String subscriptionName, boolean isLocal)	Skip all messages on a stream subscription.
void	skipMessages(String subscriptionName, int numberOfMessages, boolean isLocal)	Skip num messages on a topic subscription.
void	terminate(boolean isLocal)	Terminate a stream.

Methods inherited from class com.c8db.internal.InternalC8Stream

booleanResponseDeserializer, db, deleteSubscriptionRequest, dropRequest, dropRequest, expireMessagesRequest, getC8StreamBacklogRequest, getC8StreamBacklogResponseDeserializer, getC8StreamStatisticsRequest, getC8StreamStatisticsResponseDeserializer, getC8StreamSubscriptionsRequest, getC8StreamSubscriptionsResponseDeserializer, name, resetCursorRequest, resetCursorRequest, skipAllMessagesRequest, skipMessagesRequest, terminateC8StreamRequest

Methods inherited from class com.c8db.internal.C8Executeable

createPath, executor, request, util, util

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.c8db.C8SerializationAccessor

util, util

Methods inherited from interface com.c8db.C8Stream

db, name

Constructor Detail

C8StreamImpl

protected C8StreamImpl(C8DatabaseImpl db,
                       String name)

Method Detail

getBacklog

public C8StreamBacklogEntity getBacklog(boolean isLocal)

Description copied from interface: C8Stream

Get estimated backlog for offline stream.

Specified by:

getBacklog in interface C8Stream

Returns:

getStatistics

public C8StreamStatisticsEntity getStatistics(boolean isLocal)

Description copied from interface: C8Stream

Get the statistics for the given stream.

Specified by:

getStatistics in interface C8Stream

Parameters:

isLocal - Operate on a local stream instead of a global one. Default value: false

Returns:

terminate

public void terminate(boolean isLocal)

Description copied from interface: C8Stream

Terminate a stream. A stream that is terminated will not accept any more messages to be published and will let consumer to drain existing messages in backlog.

Specified by:

terminate in interface C8Stream

Parameters:

isLocal - Operate on a local stream instead of a global one. Default value: false

getSubscriptions

public Collection<String> getSubscriptions(boolean isLocal)

Description copied from interface: C8Stream

Get the list of persistent subscriptions for a given stream.

Specified by:

getSubscriptions in interface C8Stream

Parameters:

isLocal - Operate on a local stream instead of a global one. Default value: false

Returns:

skipMessages

public void skipMessages(String subscriptionName,
                         int numberOfMessages,
                         boolean isLocal)

Description copied from interface: C8Stream

Skip num messages on a topic subscription.

Specified by:

skipMessages in interface C8Stream

Parameters:

subscriptionName - Identification name of the subscription.

numberOfMessages - Number of messages to skip.

isLocal - Operate on a local stream instead of a global one.

skipAllMessages

public void skipAllMessages(String subscriptionName,
                            boolean isLocal)

Description copied from interface: C8Stream

Skip all messages on a stream subscription.

Specified by:

skipAllMessages in interface C8Stream

Parameters:

subscriptionName - Identification name of the subscription.

isLocal - Operate on a local stream instead of a global one.

resetCursorToTimestamp

public void resetCursorToTimestamp(String subscriptionName,
                                   int timestamp,
                                   boolean isLocal)

Description copied from interface: C8Stream

Reset subscription to message position closest to absolute timestamp (in miliseconds).

Specified by:

resetCursorToTimestamp in interface C8Stream

Parameters:

subscriptionName - Identification name of the subscription.

timestamp - Timestamp in miliseconds.

isLocal - Operate on a local stream instead of a global one.

resetCursor

public void resetCursor(String subscriptionName,
                        boolean isLocal)

Description copied from interface: C8Stream

Disconnect all active consumers for a cursor and reset the cursor.

Specified by:

resetCursor in interface C8Stream

Parameters:

subscriptionName - Identification name of the subscription.

isLocal - Operate on a local stream instead of a global one.

expireMessagesInSeconds

public void expireMessagesInSeconds(String subscriptionName,
                                    int expireTimeInSeconds,
                                    boolean isLocal)

Description copied from interface: C8Stream

Expire messages on a stream subscription.

Specified by:

expireMessagesInSeconds in interface C8Stream

Parameters:

subscriptionName - Identification name of the subscription.

expireTimeInSeconds - Expiration time in seconds.

isLocal - Operate on a local stream instead of a global one.

deleteSubscription

public void deleteSubscription(String subscriptionName,
                               boolean isLocal)

Description copied from interface: C8Stream

Delete a subscription.

Specified by:

deleteSubscription in interface C8Stream

Parameters:

subscriptionName - Identification name of the subscription.

isLocal - Operate on a local stream instead of a global one.