Examples with Topic org.apache.pulsar.broker.service.Topic used on opensource projects

Example 16 with Topic

use of org.apache.pulsar.broker.service.Topic in project incubator-pulsar by apache.

the class NonPersistentTopic method publishMessage.

@Override
public void publishMessage(ByteBuf data, PublishContext callback) {
    AtomicInteger msgDeliveryCount = new AtomicInteger(2);
    ENTRIES_ADDED_COUNTER_UPDATER.incrementAndGet(this);
    // retain data for sub/replication because io-thread will release actual payload
    data.retain(2);
    this.executor.submitOrdered(topic, SafeRun.safeRun(() -> {
        subscriptions.forEach((name, subscription) -> {
            ByteBuf duplicateBuffer = data.retainedDuplicate();
            Entry entry = create(0L, 0L, duplicateBuffer);
            // entry internally retains data so, duplicateBuffer should be release here
            duplicateBuffer.release();
            if (subscription.getDispatcher() != null) {
                subscription.getDispatcher().sendMessages(Lists.newArrayList(entry));
            } else {
                // it happens when subscription is created but dispatcher is not created as consumer is not added
                // yet
                entry.release();
            }
        });
        data.release();
        if (msgDeliveryCount.decrementAndGet() == 0) {
            callback.completed(null, 0L, 0L);
        }
    }));
    this.executor.submitOrdered(topic, SafeRun.safeRun(() -> {
        replicators.forEach((name, replicator) -> {
            ByteBuf duplicateBuffer = data.retainedDuplicate();
            Entry entry = create(0L, 0L, duplicateBuffer);
            // entry internally retains data so, duplicateBuffer should be release here
            duplicateBuffer.release();
            ((NonPersistentReplicator) replicator).sendMessage(entry);
        });
        data.release();
        if (msgDeliveryCount.decrementAndGet() == 0) {
            callback.completed(null, 0L, 0L);
        }
    }));
}

Example 17 with Topic

use of org.apache.pulsar.broker.service.Topic in project incubator-pulsar by apache.

the class NamespacesBase method clearBacklog.

private void clearBacklog(NamespaceName nsName, String bundleRange, String subscription) {
    try {
        List<Topic> topicList = pulsar().getBrokerService().getAllTopicsFromNamespaceBundle(nsName.toString(), nsName.toString() + "/" + bundleRange);
        List<CompletableFuture<Void>> futures = Lists.newArrayList();
        if (subscription != null) {
            if (subscription.startsWith(pulsar().getConfiguration().getReplicatorPrefix())) {
                subscription = PersistentReplicator.getRemoteCluster(subscription);
            }
            for (Topic topic : topicList) {
                if (topic instanceof PersistentTopic) {
                    futures.add(((PersistentTopic) topic).clearBacklog(subscription));
                }
            }
        } else {
            for (Topic topic : topicList) {
                if (topic instanceof PersistentTopic) {
                    futures.add(((PersistentTopic) topic).clearBacklog());
                }
            }
        }
        FutureUtil.waitForAll(futures).get();
    } catch (Exception e) {
        log.error("[{}] Failed to clear backlog for namespace {}/{}, subscription: {}", clientAppId(), nsName.toString(), bundleRange, subscription, e);
        throw new RestException(e);
    }
}

Example 18 with Topic

use of org.apache.pulsar.broker.service.Topic in project incubator-pulsar by apache.

the class PersistentTopicsBase method getTopicReference.

/**
 * Get the Topic object reference from the Pulsar broker
 */
private Topic getTopicReference(TopicName topicName) {
    try {
        Topic topic = pulsar().getBrokerService().getTopicReference(topicName.toString());
        checkNotNull(topic);
        return topic;
    } catch (Exception e) {
        throw new RestException(Status.NOT_FOUND, "Topic not found");
    }
}

Example 19 with Topic

use of org.apache.pulsar.broker.service.Topic in project incubator-pulsar by apache.

the class PersistentTopicsBase method internalGetInternalStats.

protected PersistentTopicInternalStats internalGetInternalStats(boolean authoritative) {
    validateAdminAndClientPermission();
    if (topicName.isGlobal()) {
        validateGlobalNamespaceOwnership(namespaceName);
    }
    validateTopicOwnership(topicName, authoritative);
    Topic topic = getTopicReference(topicName);
    return topic.getInternalStats();
}

Example 20 with Topic

use of org.apache.pulsar.broker.service.Topic in project incubator-pulsar by apache.

the class PersistentTopicsBase method internalDeleteTopic.

protected void internalDeleteTopic(boolean authoritative) {
    validateAdminOperationOnTopic(authoritative);
    Topic topic = getTopicReference(topicName);
    // v2 topics have a global name so check if the topic is replicated.
    if (topic.isReplicated()) {
        // Delete is disallowed on global topic
        log.error("[{}] Delete topic is forbidden on global namespace {}", clientAppId(), topicName);
        throw new RestException(Status.FORBIDDEN, "Delete forbidden on global namespace");
    }
    try {
        topic.delete().get();
        log.info("[{}] Successfully removed topic {}", clientAppId(), topicName);
    } catch (Exception e) {
        Throwable t = e.getCause();
        log.error("[{}] Failed to get delete topic {}", clientAppId(), topicName, t);
        if (t instanceof TopicBusyException) {
            throw new RestException(Status.PRECONDITION_FAILED, "Topic has active producers/subscriptions");
        } else {
            throw new RestException(t);
        }
    }
}