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## Package com.google.appengine.api.taskqueue

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

See:
Description

Interface Summary
DeferredTask | Interface for deferred tasks.
Queue | `Queue` is used to manage a task queue.

Class Summary
DeferredTaskContext | Resources for managing `DeferredTask`.
LeaseOptions | Contains various options for lease requests following the builder pattern.
LeaseOptions.Builder | Provides static creation methods for `LeaseOptions`.
QueueConstants | Describes various taskqueue limits.
QueueFactory | Creates `Queue` objects.
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`.
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`.

Enum Summary
TaskOptions.Method | Methods supported by `Queue`.

Exception Summary
DeferredTaskCreationException | Indicates a failure to create a task payload.
InternalFailureException | Internal task queue error.
InvalidQueueModeException | Mismatch of task method and queue mode.
QueueFailureException | Unspecified queue failure.
QueueNameMismatchException | Queue name mismatch failure.
TaskAlreadyExistsException | The task name already exists in the queue.
TransactionalTaskException | Queue operation failure caused by Datastore exception
TransientFailureException | Intermittent failure.
UnsupportedTranslationException | Attempt to convert String to an unsupported charset.

## Package com.google.appengine.api.taskqueue Description

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.

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