Package com.google.appengine.api.taskqueue

package com.google.appengine.api.taskqueue

Provides a mechanism to perform work initiated by a user request, outside of that request.

See Also:

• Queue
• The Task Queue Java API in the Google App Engine Developer's Guide.

Related Packages

Package	Description
com.google.appengine.api	Provides facilities for server lifecycle management, threading and namespaces/multitenancy.
com.google.appengine.api.taskqueue.ee10	Deprecated. as of version 3.0, use com.google.appengine.api.taskqueue.jakarta instead.
com.google.appengine.api.taskqueue.jakarta	Provides a mechanism to perform work initiated by a user request, outside of that request.

Class	Description
DeferredTask	Interface for deferred tasks.
DeferredTaskContext	Resources for managing DeferredTask.
DeferredTaskCreationException	Indicates a failure to create a task payload.
InternalFailureException	Internal task queue error.
InvalidQueueModeException	Mismatch of task method and queue mode. e.g.
IQueueFactory	Creates Queue objects.
IQueueFactoryProvider	Factory provider for IQueueFactory.
LeaseOptions	Contains various options for lease requests following the builder pattern.
LeaseOptions.Builder	Provides static creation methods for LeaseOptions.
Queue	Queue is used to manage a task queue.
QueueConstants	Describes various taskqueue limits.
QueueFactory	Creates Queue objects.
QueueFailureException	Unspecified queue failure.
QueueNameMismatchException	Queue name mismatch failure.
QueueStatistics	QueueStatistics allow observation of the rate that tasks on a given queue are being executed.
RetryOptions	Contains various options for a task's retry strategy.
RetryOptions.Builder	Provides static creation methods for RetryOptions.
TaskAlreadyExistsException	One or more task names already exists in the queue.
TaskHandle	Created from Queue.add(TaskOptions).
TaskOptions	Contains various options for a task following the builder pattern.
TaskOptions.Builder	Provides static creation methods for TaskOptions.
TaskOptions.Method	Methods supported by Queue.
TransactionalTaskException	Queue operation failure caused by Datastore exception
TransientFailureException	Intermittent failure.
UnsupportedTranslationException	Attempt to convert String to an unsupported charset.