Examples with PersistentTopic com.yahoo.pulsar.broker.service.persistent.PersistentTopic used on opensource projects

Example 86 with PersistentTopic

use of com.yahoo.pulsar.broker.service.persistent.PersistentTopic in project pulsar by yahoo.

the class PersistentTopics method skipAllMessages.

@POST
@Path("/{property}/{cluster}/{namespace}/{destination}/subscription/{subName}/skip_all")
@ApiOperation(value = "Skip all messages on a topic subscription.", notes = "Completely clears the backlog on the subscription.")
@ApiResponses(value = { @ApiResponse(code = 403, message = "Don't have admin permission"), @ApiResponse(code = 404, message = "Topic or subscription does not exist") })
public void skipAllMessages(@PathParam("property") String property, @PathParam("cluster") String cluster, @PathParam("namespace") String namespace, @PathParam("destination") @Encoded String destination, @PathParam("subName") String subName, @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
    destination = decode(destination);
    DestinationName dn = DestinationName.get(domain(), property, cluster, namespace, destination);
    PartitionedTopicMetadata partitionMetadata = getPartitionedTopicMetadata(property, cluster, namespace, destination, authoritative);
    if (partitionMetadata.partitions > 0) {
        try {
            for (int i = 0; i < partitionMetadata.partitions; i++) {
                pulsar().getAdminClient().persistentTopics().skipAllMessages(dn.getPartition(i).toString(), subName);
            }
        } catch (Exception e) {
            throw new RestException(e);
        }
    } else {
        validateAdminOperationOnDestination(dn, authoritative);
        PersistentTopic topic = getTopicReference(dn);
        try {
            if (subName.startsWith(topic.replicatorPrefix)) {
                String remoteCluster = PersistentReplicator.getRemoteCluster(subName);
                PersistentReplicator repl = topic.getPersistentReplicator(remoteCluster);
                checkNotNull(repl);
                repl.clearBacklog().get();
            } else {
                PersistentSubscription sub = topic.getPersistentSubscription(subName);
                checkNotNull(sub);
                sub.clearBacklog().get();
            }
            log.info("[{}] Cleared backlog on {} {}", clientAppId(), dn, subName);
        } catch (NullPointerException npe) {
            throw new RestException(Status.NOT_FOUND, "Subscription not found");
        } catch (Exception exception) {
            log.error("[{}] Failed to skip all messages {} {}", clientAppId(), dn, subName, exception);
            throw new RestException(exception);
        }
    }
}

Example 87 with PersistentTopic

use of com.yahoo.pulsar.broker.service.persistent.PersistentTopic in project pulsar by yahoo.

the class PersistentTopics method getSubscriptions.

@GET
@Path("/{property}/{cluster}/{namespace}/{destination}/subscriptions")
@ApiOperation(value = "Get the list of persistent subscriptions for a given topic.")
@ApiResponses(value = { @ApiResponse(code = 403, message = "Don't have admin permission"), @ApiResponse(code = 404, message = "Topic does not exist") })
public List<String> getSubscriptions(@PathParam("property") String property, @PathParam("cluster") String cluster, @PathParam("namespace") String namespace, @PathParam("destination") @Encoded String destination, @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
    destination = decode(destination);
    DestinationName dn = DestinationName.get(domain(), property, cluster, namespace, destination);
    List<String> subscriptions = Lists.newArrayList();
    PartitionedTopicMetadata partitionMetadata = getPartitionedTopicMetadata(property, cluster, namespace, destination, authoritative);
    if (partitionMetadata.partitions > 0) {
        try {
            // get the subscriptions only from the 1st partition since all the other partitions will have the same
            // subscriptions
            subscriptions.addAll(pulsar().getAdminClient().persistentTopics().getSubscriptions(dn.getPartition(0).toString()));
        } catch (Exception e) {
            throw new RestException(e);
        }
    } else {
        validateAdminOperationOnDestination(dn, authoritative);
        PersistentTopic topic = getTopicReference(dn);
        try {
            topic.getSubscriptions().forEach((subName, sub) -> subscriptions.add(subName));
        } catch (Exception e) {
            log.error("[{}] Failed to get list of subscriptions for {}", clientAppId(), dn);
            throw new RestException(e);
        }
    }
    return subscriptions;
}

Example 88 with PersistentTopic

use of com.yahoo.pulsar.broker.service.persistent.PersistentTopic in project pulsar by yahoo.

the class PersistentTopics method deleteTopic.

@DELETE
@Path("/{property}/{cluster}/{namespace}/{destination}")
@ApiOperation(value = "Delete a topic.", notes = "The topic cannot be deleted if there's any active subscription or producer connected to the it.")
@ApiResponses(value = { @ApiResponse(code = 403, message = "Don't have admin permission"), @ApiResponse(code = 404, message = "Topic does not exist"), @ApiResponse(code = 412, message = "Topic has active producers/subscriptions") })
public void deleteTopic(@PathParam("property") String property, @PathParam("cluster") String cluster, @PathParam("namespace") String namespace, @PathParam("destination") @Encoded String destination, @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
    destination = decode(destination);
    DestinationName dn = DestinationName.get(domain(), property, cluster, namespace, destination);
    validateAdminOperationOnDestination(dn, authoritative);
    PersistentTopic topic = getTopicReference(dn);
    if (dn.isGlobal()) {
        // Delete is disallowed on global topic
        log.error("[{}] Delete topic is forbidden on global namespace {}", clientAppId(), dn);
        throw new RestException(Status.FORBIDDEN, "Delete forbidden on global namespace");
    }
    try {
        topic.delete().get();
        log.info("[{}] Successfully removed topic {}", clientAppId(), dn);
    } catch (Exception e) {
        Throwable t = e.getCause();
        log.error("[{}] Failed to get delete topic {}", clientAppId(), dn, t);
        if (t instanceof TopicBusyException) {
            throw new RestException(Status.PRECONDITION_FAILED, "Topic has active producers/subscriptions");
        } else {
            throw new RestException(t);
        }
    }
}

Example 89 with PersistentTopic

use of com.yahoo.pulsar.broker.service.persistent.PersistentTopic in project pulsar by yahoo.

the class PersistentTopics method expireMessagesForAllSubscriptions.

@POST
@Path("/{property}/{cluster}/{namespace}/{destination}/all_subscription/expireMessages/{expireTimeInSeconds}")
@ApiOperation(value = "Expire messages on all subscriptions of topic.")
@ApiResponses(value = { @ApiResponse(code = 403, message = "Don't have admin permission"), @ApiResponse(code = 404, message = "Topic or subscription does not exist") })
public void expireMessagesForAllSubscriptions(@PathParam("property") String property, @PathParam("cluster") String cluster, @PathParam("namespace") String namespace, @PathParam("destination") @Encoded String destinationName, @PathParam("expireTimeInSeconds") int expireTimeInSeconds, @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
    final String destination = decode(destinationName);
    DestinationName dn = DestinationName.get(domain(), property, cluster, namespace, destination);
    PartitionedTopicMetadata partitionMetadata = getPartitionedTopicMetadata(property, cluster, namespace, destination, authoritative);
    if (partitionMetadata.partitions > 0) {
        try {
            // expire messages for each partition destination
            for (int i = 0; i < partitionMetadata.partitions; i++) {
                pulsar().getAdminClient().persistentTopics().expireMessagesForAllSubscriptions(dn.getPartition(i).toString(), expireTimeInSeconds);
            }
        } catch (Exception e) {
            log.error("[{}] Failed to expire messages up to {} on {} {}", clientAppId(), expireTimeInSeconds, dn, e);
            throw new RestException(e);
        }
    } else {
        // validate ownership and redirect if current broker is not owner
        validateAdminOperationOnDestination(dn, authoritative);
        PersistentTopic topic = getTopicReference(dn);
        topic.getReplicators().forEach((subName, replicator) -> {
            expireMessages(property, cluster, namespace, destination, subName, expireTimeInSeconds, authoritative);
        });
        topic.getSubscriptions().forEach((subName, subscriber) -> {
            expireMessages(property, cluster, namespace, destination, subName, expireTimeInSeconds, authoritative);
        });
    }
}

Example 90 with PersistentTopic

use of com.yahoo.pulsar.broker.service.persistent.PersistentTopic in project pulsar by yahoo.

the class PersistentTopics method skipMessages.

@POST
@Path("/{property}/{cluster}/{namespace}/{destination}/subscription/{subName}/skip/{numMessages}")
@ApiOperation(value = "Skip messages on a topic subscription.")
@ApiResponses(value = { @ApiResponse(code = 403, message = "Don't have admin permission"), @ApiResponse(code = 404, message = "Topic or subscription does not exist") })
public void skipMessages(@PathParam("property") String property, @PathParam("cluster") String cluster, @PathParam("namespace") String namespace, @PathParam("destination") @Encoded String destination, @PathParam("subName") String subName, @PathParam("numMessages") int numMessages, @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
    destination = decode(destination);
    DestinationName dn = DestinationName.get(domain(), property, cluster, namespace, destination);
    PartitionedTopicMetadata partitionMetadata = getPartitionedTopicMetadata(property, cluster, namespace, destination, authoritative);
    if (partitionMetadata.partitions > 0) {
        throw new RestException(Status.METHOD_NOT_ALLOWED, "Skip messages on a partitioned topic is not allowed");
    }
    validateAdminOperationOnDestination(dn, authoritative);
    PersistentTopic topic = getTopicReference(dn);
    try {
        if (subName.startsWith(topic.replicatorPrefix)) {
            String remoteCluster = PersistentReplicator.getRemoteCluster(subName);
            PersistentReplicator repl = topic.getPersistentReplicator(remoteCluster);
            checkNotNull(repl);
            repl.skipMessages(numMessages).get();
        } else {
            PersistentSubscription sub = topic.getPersistentSubscription(subName);
            checkNotNull(sub);
            sub.skipMessages(numMessages).get();
        }
        log.info("[{}] Skipped {} messages on {} {}", clientAppId(), numMessages, dn, subName);
    } catch (NullPointerException npe) {
        throw new RestException(Status.NOT_FOUND, "Subscription not found");
    } catch (Exception exception) {
        log.error("[{}] Failed to skip {} messages {} {}", clientAppId(), numMessages, dn, subName, exception);
        throw new RestException(exception);
    }
}