Class CloudTasksGrpc.CloudTasksFutureStub (2.55.0)

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public static final class CloudTasksGrpc.CloudTasksFutureStub extends AbstractFutureStub<CloudTasksGrpc.CloudTasksFutureStub>

A stub to allow clients to do ListenableFuture-style rpc calls to service CloudTasks.

Cloud Tasks allows developers to manage the execution of background work in their applications.

Inheritance

java.lang.Object > io.grpc.stub.AbstractStub > io.grpc.stub.AbstractFutureStub > CloudTasksGrpc.CloudTasksFutureStub

Inherited Members

io.grpc.stub.AbstractFutureStub.<T>newStub(io.grpc.stub.AbstractStub.StubFactory<T>,io.grpc.Channel)

io.grpc.stub.AbstractFutureStub.<T>newStub(io.grpc.stub.AbstractStub.StubFactory<T>,io.grpc.Channel,io.grpc.CallOptions)

io.grpc.stub.AbstractStub.<T>withOption(io.grpc.CallOptions.Key<T>,T)

io.grpc.stub.AbstractStub.build(io.grpc.Channel,io.grpc.CallOptions)

io.grpc.stub.AbstractStub.getCallOptions()

io.grpc.stub.AbstractStub.getChannel()

io.grpc.stub.AbstractStub.withCallCredentials(io.grpc.CallCredentials)

io.grpc.stub.AbstractStub.withChannel(io.grpc.Channel)

io.grpc.stub.AbstractStub.withCompression(java.lang.String)

io.grpc.stub.AbstractStub.withDeadline(io.grpc.Deadline)

io.grpc.stub.AbstractStub.withDeadlineAfter(java.time.Duration)

io.grpc.stub.AbstractStub.withDeadlineAfter(long,java.util.concurrent.TimeUnit)

io.grpc.stub.AbstractStub.withExecutor(java.util.concurrent.Executor)

io.grpc.stub.AbstractStub.withInterceptors(io.grpc.ClientInterceptor...)

io.grpc.stub.AbstractStub.withMaxInboundMessageSize(int)

io.grpc.stub.AbstractStub.withMaxOutboundMessageSize(int)

io.grpc.stub.AbstractStub.withOnReadyThreshold(int)

io.grpc.stub.AbstractStub.withWaitForReady()

Object.clone()

Object.equals(Object)

Object.finalize()

Object.getClass()

Object.hashCode()

Object.notify()

Object.notifyAll()

Object.toString()

Object.wait()

Object.wait(long)

Object.wait(long,int)

Methods

build(Channel channel, CallOptions callOptions)

protected CloudTasksGrpc.CloudTasksFutureStub build(Channel channel, CallOptions callOptions)

Parameters
Name	Description
channel	io.grpc.Channel
callOptions	io.grpc.CallOptions

Returns
Type	Description
CloudTasksGrpc.CloudTasksFutureStub

Overrides

io.grpc.stub.AbstractStub.build(io.grpc.Channel,io.grpc.CallOptions)

createQueue(CreateQueueRequest request)

public ListenableFuture<Queue> createQueue(CreateQueueRequest request)

Creates a queue. Queues created with this method allow tasks to live for a maximum of 31 days. After a task is 31 days old, the task will be deleted regardless of whether it was dispatched or not. WARNING: Using this method may have unintended side effects if you are using an App Engine queue.yaml or queue.xml file to manage your queues. Read Overview of Queue Management and queue.yaml before using this method.

Parameter
Name	Description
request	CreateQueueRequest

Returns
Type	Description
com.google.common.util.concurrent.ListenableFuture<Queue>

createTask(CreateTaskRequest request)

public ListenableFuture<Task> createTask(CreateTaskRequest request)

Creates a task and adds it to a queue. Tasks cannot be updated after creation; there is no UpdateTask command.

• The maximum task size is 100KB.

Parameter
Name	Description
request	CreateTaskRequest

Returns
Type	Description
com.google.common.util.concurrent.ListenableFuture<Task>

deleteQueue(DeleteQueueRequest request)

public ListenableFuture<Empty> deleteQueue(DeleteQueueRequest request)

Deletes a queue. This command will delete the queue even if it has tasks in it. Note: If you delete a queue, a queue with the same name can't be created for 7 days. WARNING: Using this method may have unintended side effects if you are using an App Engine queue.yaml or queue.xml file to manage your queues. Read Overview of Queue Management and queue.yaml before using this method.

Parameter
Name	Description
request	DeleteQueueRequest

Returns
Type	Description
com.google.common.util.concurrent.ListenableFuture<Empty>

deleteTask(DeleteTaskRequest request)

public ListenableFuture<Empty> deleteTask(DeleteTaskRequest request)

Deletes a task. A task can be deleted if it is scheduled or dispatched. A task cannot be deleted if it has executed successfully or permanently failed.

Parameter
Name	Description
request	DeleteTaskRequest

Returns
Type	Description
com.google.common.util.concurrent.ListenableFuture<Empty>

getIamPolicy(GetIamPolicyRequest request)

public ListenableFuture<Policy> getIamPolicy(GetIamPolicyRequest request)

Gets the access control policy for a Queue. Returns an empty policy if the resource exists and does not have a policy set. Authorization requires the following Google IAM permission on the specified resource parent:

• cloudtasks.queues.getIamPolicy

Parameter
Name	Description
request	com.google.iam.v1.GetIamPolicyRequest

Returns
Type	Description
com.google.common.util.concurrent.ListenableFuture<com.google.iam.v1.Policy>

getQueue(GetQueueRequest request)

public ListenableFuture<Queue> getQueue(GetQueueRequest request)

Gets a queue.

Parameter
Name	Description
request	GetQueueRequest

Returns
Type	Description
com.google.common.util.concurrent.ListenableFuture<Queue>

getTask(GetTaskRequest request)

public ListenableFuture<Task> getTask(GetTaskRequest request)

Gets a task.

Parameter
Name	Description
request	GetTaskRequest

Returns
Type	Description
com.google.common.util.concurrent.ListenableFuture<Task>

listQueues(ListQueuesRequest request)

public ListenableFuture<ListQueuesResponse> listQueues(ListQueuesRequest request)

Lists queues. Queues are returned in lexicographical order.

Parameter
Name	Description
request	ListQueuesRequest

Returns
Type	Description
com.google.common.util.concurrent.ListenableFuture<ListQueuesResponse>

listTasks(ListTasksRequest request)

public ListenableFuture<ListTasksResponse> listTasks(ListTasksRequest request)

Lists the tasks in a queue. By default, only the BASIC view is retrieved due to performance considerations; response_view controls the subset of information which is returned. The tasks may be returned in any order. The ordering may change at any time.

Parameter
Name	Description
request	ListTasksRequest

Returns
Type	Description
com.google.common.util.concurrent.ListenableFuture<ListTasksResponse>

pauseQueue(PauseQueueRequest request)

public ListenableFuture<Queue> pauseQueue(PauseQueueRequest request)

Pauses the queue. If a queue is paused then the system will stop dispatching tasks until the queue is resumed via ResumeQueue. Tasks can still be added when the queue is paused. A queue is paused if its state is PAUSED.

Parameter
Name	Description
request	PauseQueueRequest

Returns
Type	Description
com.google.common.util.concurrent.ListenableFuture<Queue>

purgeQueue(PurgeQueueRequest request)

public ListenableFuture<Queue> purgeQueue(PurgeQueueRequest request)

Purges a queue by deleting all of its tasks. All tasks created before this method is called are permanently deleted. Purge operations can take up to one minute to take effect. Tasks might be dispatched before the purge takes effect. A purge is irreversible.

Parameter
Name	Description
request	PurgeQueueRequest

Returns
Type	Description
com.google.common.util.concurrent.ListenableFuture<Queue>

resumeQueue(ResumeQueueRequest request)

public ListenableFuture<Queue> resumeQueue(ResumeQueueRequest request)

Resume a queue. This method resumes a queue after it has been PAUSED or DISABLED. The state of a queue is stored in the queue's state; after calling this method it will be set to RUNNING. WARNING: Resuming many high-QPS queues at the same time can lead to target overloading. If you are resuming high-QPS queues, follow the 500/50/5 pattern described in Managing Cloud Tasks Scaling Risks.

Parameter
Name	Description
request	ResumeQueueRequest

Returns
Type	Description
com.google.common.util.concurrent.ListenableFuture<Queue>

runTask(RunTaskRequest request)

public ListenableFuture<Task> runTask(RunTaskRequest request)

Forces a task to run now. When this method is called, Cloud Tasks will dispatch the task, even if the task is already running, the queue has reached its RateLimits or is PAUSED. This command is meant to be used for manual debugging. For example, RunTask can be used to retry a failed task after a fix has been made or to manually force a task to be dispatched now. The dispatched task is returned. That is, the task that is returned contains the status after the task is dispatched but before the task is received by its target. If Cloud Tasks receives a successful response from the task's target, then the task will be deleted; otherwise the task's schedule_time will be reset to the time that RunTask was called plus the retry delay specified in the queue's RetryConfig. RunTask returns NOT_FOUND when it is called on a task that has already succeeded or permanently failed.

Parameter
Name	Description
request	RunTaskRequest

Returns
Type	Description
com.google.common.util.concurrent.ListenableFuture<Task>

setIamPolicy(SetIamPolicyRequest request)

public ListenableFuture<Policy> setIamPolicy(SetIamPolicyRequest request)

Sets the access control policy for a Queue. Replaces any existing policy. Note: The Cloud Console does not check queue-level IAM permissions yet. Project-level permissions are required to use the Cloud Console. Authorization requires the following Google IAM permission on the specified resource parent:

• cloudtasks.queues.setIamPolicy

Parameter
Name	Description
request	com.google.iam.v1.SetIamPolicyRequest

Returns
Type	Description
com.google.common.util.concurrent.ListenableFuture<com.google.iam.v1.Policy>

testIamPermissions(TestIamPermissionsRequest request)

public ListenableFuture<TestIamPermissionsResponse> testIamPermissions(TestIamPermissionsRequest request)

Returns permissions that a caller has on a Queue. If the resource does not exist, this will return an empty set of permissions, not a NOT_FOUND error. Note: This operation is designed to be used for building permission-aware UIs and command-line tools, not for authorization checking. This operation may "fail open" without warning.

Parameter
Name	Description
request	com.google.iam.v1.TestIamPermissionsRequest

Returns
Type	Description
com.google.common.util.concurrent.ListenableFuture<com.google.iam.v1.TestIamPermissionsResponse>

updateQueue(UpdateQueueRequest request)

public ListenableFuture<Queue> updateQueue(UpdateQueueRequest request)

Updates a queue. This method creates the queue if it does not exist and updates the queue if it does exist. Queues created with this method allow tasks to live for a maximum of 31 days. After a task is 31 days old, the task will be deleted regardless of whether it was dispatched or not. WARNING: Using this method may have unintended side effects if you are using an App Engine queue.yaml or queue.xml file to manage your queues. Read Overview of Queue Management and queue.yaml before using this method.

Parameter
Name	Description
request	UpdateQueueRequest

Returns
Type	Description
com.google.common.util.concurrent.ListenableFuture<Queue>