Subscription class

A subscription resource.

If none of push_config, bigquery_config, or cloud_storage_config is set, then the subscriber will pull and ack messages using API methods. At most one of these fields may be set.

Constructors

Subscription({int? ackDeadlineSeconds, BigQueryConfig? bigqueryConfig, CloudStorageConfig? cloudStorageConfig, DeadLetterPolicy? deadLetterPolicy, bool? detached, bool? enableExactlyOnceDelivery, bool? enableMessageOrdering, ExpirationPolicy? expirationPolicy, String? filter, Map<String, String>? labels, String? messageRetentionDuration, String? name, PushConfig? pushConfig, bool? retainAckedMessages, RetryPolicy? retryPolicy, String? state, String? topic, String? topicMessageRetentionDuration})

Subscription.fromJson(Map json_)

Properties

ackDeadlineSeconds ↔ int?

The approximate amount of time (on a best-effort basis) Pub/Sub waits for the subscriber to acknowledge receipt before resending the message.

getter/setter pair

bigqueryConfig ↔ BigQueryConfig?

If delivery to BigQuery is used with this subscription, this field is used to configure it.

getter/setter pair

cloudStorageConfig ↔ CloudStorageConfig?

If delivery to Google Cloud Storage is used with this subscription, this field is used to configure it.

getter/setter pair

deadLetterPolicy ↔ DeadLetterPolicy?

A policy that specifies the conditions for dead lettering messages in this subscription.

getter/setter pair

detached ↔ bool?

Indicates whether the subscription is detached from its topic.

getter/setter pair

enableExactlyOnceDelivery ↔ bool?

If true, Pub/Sub provides the following guarantees for the delivery of a message with a given value of message_id on this subscription: * The message sent to a subscriber is guaranteed not to be resent before the message's acknowledgement deadline expires.

getter/setter pair

enableMessageOrdering ↔ bool?

If true, messages published with the same ordering_key in PubsubMessage will be delivered to the subscribers in the order in which they are received by the Pub/Sub system.

getter/setter pair

expirationPolicy ↔ ExpirationPolicy?

A policy that specifies the conditions for this subscription's expiration.

getter/setter pair

filter ↔ String?

An expression written in the Pub/Sub filter language.

getter/setter pair

hashCode → int

The hash code for this object.

no setter, inherited

labels ↔ Map<String, String>?

See Creating and managing labels.

getter/setter pair

messageRetentionDuration ↔ String?

How long to retain unacknowledged messages in the subscription's backlog, from the moment a message is published.

getter/setter pair

name ↔ String?

The name of the subscription.

getter/setter pair

pushConfig ↔ PushConfig?

If push delivery is used with this subscription, this field is used to configure it.

getter/setter pair

retainAckedMessages ↔ bool?

Indicates whether to retain acknowledged messages.

getter/setter pair

retryPolicy ↔ RetryPolicy?

A policy that specifies how Pub/Sub retries message delivery for this subscription.

getter/setter pair

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

state ↔ String?

An output-only field indicating whether or not the subscription can receive messages.

getter/setter pair

topic ↔ String?

The name of the topic from which this subscription is receiving messages.

getter/setter pair

topicMessageRetentionDuration ↔ String?

Indicates the minimum duration for which a message is retained after it is published to the subscription's topic.

getter/setter pair

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toJson() → Map<String, dynamic>

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited