Class BatchServiceClient (0.2.2)

Version 0.2.2

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public class BatchServiceClient implements BackgroundResource

Service Description: Google Batch Service. The service manages user submitted batch jobs and allocates Google Compute Engine VM instances to run the jobs.

This class provides the ability to make remote calls to the backing service through method calls that map to API methods. Sample code to get started:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (BatchServiceClient batchServiceClient = BatchServiceClient.create()) {
   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
   Job job = Job.newBuilder().build();
   String jobId = "jobId101296568";
   Job response = batchServiceClient.createJob(parent, job, jobId);
 }
 

Note: close() needs to be called on the BatchServiceClient object to clean up resources such as threads. In the example above, try-with-resources is used, which automatically calls close().

The surface of this class includes several types of Java methods for each of the API's methods:

1. A "flattened" method. With this type of method, the fields of the request type have been converted into function parameters. It may be the case that not all fields are available as parameters, and not every API method will have a flattened method entry point.
2. A "request object" method. This type of method only takes one parameter, a request object, which must be constructed before the call. Not every API method will have a request object method.
3. A "callable" method. This type of method takes no parameters and returns an immutable API callable object, which can be used to initiate calls to the service.

See the individual methods for example code.

Many parameters require resource names to be formatted in a particular way. To assist with these names, this class includes a format method for each type of name, and additionally a parse method to extract the individual identifiers contained within names that are returned.

This class can be customized by passing in a custom instance of BatchServiceSettings to create(). For example:

To customize credentials:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 BatchServiceSettings batchServiceSettings =
     BatchServiceSettings.newBuilder()
         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
         .build();
 BatchServiceClient batchServiceClient = BatchServiceClient.create(batchServiceSettings);
 

To customize the endpoint:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 BatchServiceSettings batchServiceSettings =
     BatchServiceSettings.newBuilder().setEndpoint(myEndpoint).build();
 BatchServiceClient batchServiceClient = BatchServiceClient.create(batchServiceSettings);
 

To use REST (HTTP1.1/JSON) transport (instead of gRPC) for sending and receiving requests over the wire:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 BatchServiceSettings batchServiceSettings =
     BatchServiceSettings.newBuilder()
         .setTransportChannelProvider(
             BatchServiceSettings.defaultHttpJsonTransportProviderBuilder().build())
         .build();
 BatchServiceClient batchServiceClient = BatchServiceClient.create(batchServiceSettings);
 

Please refer to the GitHub repository's samples for more quickstart code snippets.

Inheritance

java.lang.Object > BatchServiceClient

Implements

BackgroundResource

Inherited Members

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)

Static Methods

create()

public static final BatchServiceClient create()

Constructs an instance of BatchServiceClient with default settings.

Returns

Type	Description
BatchServiceClient

Exceptions

Type	Description
IOException

create(BatchServiceSettings settings)

public static final BatchServiceClient create(BatchServiceSettings settings)

Constructs an instance of BatchServiceClient, using the given settings. The channels are created based on the settings passed in, or defaults for any settings that are not set.

Parameter

Name	Description
settings	BatchServiceSettings

Returns

Type	Description
BatchServiceClient

Exceptions

Type	Description
IOException

create(BatchServiceStub stub)

public static final BatchServiceClient create(BatchServiceStub stub)

Constructs an instance of BatchServiceClient, using the given stub for making calls. This is for advanced usage - prefer using create(BatchServiceSettings).

Parameter

Name	Description
stub	BatchServiceStub

Returns

Type	Description
BatchServiceClient

Constructors

BatchServiceClient(BatchServiceSettings settings)

protected BatchServiceClient(BatchServiceSettings settings)

Constructs an instance of BatchServiceClient, using the given settings. This is protected so that it is easy to make a subclass, but otherwise, the static factory methods should be preferred.

Parameter

Name	Description
settings	BatchServiceSettings

BatchServiceClient(BatchServiceStub stub)

protected BatchServiceClient(BatchServiceStub stub)

Parameter

Name	Description
stub	BatchServiceStub

Methods

awaitTermination(long duration, TimeUnit unit)

public boolean awaitTermination(long duration, TimeUnit unit)

Parameters

Name	Description
duration	long
unit	TimeUnit

Returns

Type	Description
boolean

Exceptions

Type	Description
InterruptedException

close()

public final void close()

createJob(CreateJobRequest request)

public final Job createJob(CreateJobRequest request)

Create a Job.

Sample code:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (BatchServiceClient batchServiceClient = BatchServiceClient.create()) {
   CreateJobRequest request =
       CreateJobRequest.newBuilder()
           .setParent(LocationName.of("[PROJECT]", "[LOCATION]").toString())
           .setJobId("jobId101296568")
           .setJob(Job.newBuilder().build())
           .setRequestId("requestId693933066")
           .build();
   Job response = batchServiceClient.createJob(request);
 }
 

Parameter

Name	Description
request	CreateJobRequest The request object containing all of the parameters for the API call.

Returns

Type	Description
Job

createJob(LocationName parent, Job job, String jobId)

public final Job createJob(LocationName parent, Job job, String jobId)

Create a Job.

Sample code:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (BatchServiceClient batchServiceClient = BatchServiceClient.create()) {
   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
   Job job = Job.newBuilder().build();
   String jobId = "jobId101296568";
   Job response = batchServiceClient.createJob(parent, job, jobId);
 }
 

Parameters

Name	Description
parent	LocationName Required. The parent resource name where the Job will be created. Pattern: "projects/{project}/locations/{location}"
job	Job Required. The Job to create.
jobId	String ID used to uniquely identify the Job within its parent scope. This field should contain at most 63 characters. Only alphanumeric characters or '-' are accepted. The '-' character cannot be the first or the last one. A system generated ID will be used if the field is not set. The job.name field in the request will be ignored and the created resource name of the Job will be "{parent}/jobs/{job_id}".

Returns

Type	Description
Job

createJob(String parent, Job job, String jobId)

public final Job createJob(String parent, Job job, String jobId)

Create a Job.

Sample code:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (BatchServiceClient batchServiceClient = BatchServiceClient.create()) {
   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
   Job job = Job.newBuilder().build();
   String jobId = "jobId101296568";
   Job response = batchServiceClient.createJob(parent, job, jobId);
 }
 

Parameters

Name	Description
parent	String Required. The parent resource name where the Job will be created. Pattern: "projects/{project}/locations/{location}"
job	Job Required. The Job to create.
jobId	String ID used to uniquely identify the Job within its parent scope. This field should contain at most 63 characters. Only alphanumeric characters or '-' are accepted. The '-' character cannot be the first or the last one. A system generated ID will be used if the field is not set. The job.name field in the request will be ignored and the created resource name of the Job will be "{parent}/jobs/{job_id}".

Returns

Type	Description
Job

createJobCallable()

public final UnaryCallable<CreateJobRequest,Job> createJobCallable()

Create a Job.

Sample code:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (BatchServiceClient batchServiceClient = BatchServiceClient.create()) {
   CreateJobRequest request =
       CreateJobRequest.newBuilder()
           .setParent(LocationName.of("[PROJECT]", "[LOCATION]").toString())
           .setJobId("jobId101296568")
           .setJob(Job.newBuilder().build())
           .setRequestId("requestId693933066")
           .build();
   ApiFuture<Job> future = batchServiceClient.createJobCallable().futureCall(request);
   // Do something.
   Job response = future.get();
 }
 

Returns

Type	Description
UnaryCallable<CreateJobRequest,Job>

deleteJobAsync(DeleteJobRequest request)

public final OperationFuture<Empty,OperationMetadata> deleteJobAsync(DeleteJobRequest request)

Delete a Job.

Sample code:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (BatchServiceClient batchServiceClient = BatchServiceClient.create()) {
   DeleteJobRequest request =
       DeleteJobRequest.newBuilder()
           .setName("name3373707")
           .setReason("reason-934964668")
           .setRequestId("requestId693933066")
           .build();
   batchServiceClient.deleteJobAsync(request).get();
 }
 

Parameter

Name	Description
request	DeleteJobRequest The request object containing all of the parameters for the API call.

Returns

Type	Description
OperationFuture<Empty,OperationMetadata>

deleteJobAsync(String name)

public final OperationFuture<Empty,OperationMetadata> deleteJobAsync(String name)

Delete a Job.

Sample code:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (BatchServiceClient batchServiceClient = BatchServiceClient.create()) {
   String name = "name3373707";
   batchServiceClient.deleteJobAsync(name).get();
 }
 

Parameter

Name	Description
name	String Job name.

Returns

Type	Description
OperationFuture<Empty,OperationMetadata>

deleteJobCallable()

public final UnaryCallable<DeleteJobRequest,Operation> deleteJobCallable()

Delete a Job.

Sample code:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (BatchServiceClient batchServiceClient = BatchServiceClient.create()) {
   DeleteJobRequest request =
       DeleteJobRequest.newBuilder()
           .setName("name3373707")
           .setReason("reason-934964668")
           .setRequestId("requestId693933066")
           .build();
   ApiFuture<Operation> future = batchServiceClient.deleteJobCallable().futureCall(request);
   // Do something.
   future.get();
 }
 

Returns

Type	Description
UnaryCallable<DeleteJobRequest,Operation>

deleteJobOperationCallable()

public final OperationCallable<DeleteJobRequest,Empty,OperationMetadata> deleteJobOperationCallable()

Delete a Job.

Sample code:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (BatchServiceClient batchServiceClient = BatchServiceClient.create()) {
   DeleteJobRequest request =
       DeleteJobRequest.newBuilder()
           .setName("name3373707")
           .setReason("reason-934964668")
           .setRequestId("requestId693933066")
           .build();
   OperationFuture<Empty, OperationMetadata> future =
       batchServiceClient.deleteJobOperationCallable().futureCall(request);
   // Do something.
   future.get();
 }
 

Returns

Type	Description
OperationCallable<DeleteJobRequest,Empty,OperationMetadata>

getHttpJsonOperationsClient()

public final OperationsClient getHttpJsonOperationsClient()

Returns the OperationsClient that can be used to query the status of a long-running operation returned by another API method call.

Returns

Type	Description
OperationsClient

getJob(GetJobRequest request)

public final Job getJob(GetJobRequest request)

Get a Job specified by its resource name.

Sample code:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (BatchServiceClient batchServiceClient = BatchServiceClient.create()) {
   GetJobRequest request =
       GetJobRequest.newBuilder()
           .setName(JobName.of("[PROJECT]", "[LOCATION]", "[JOB]").toString())
           .build();
   Job response = batchServiceClient.getJob(request);
 }
 

Parameter

Name	Description
request	GetJobRequest The request object containing all of the parameters for the API call.

Returns

Type	Description
Job

getJob(JobName name)

public final Job getJob(JobName name)

Get a Job specified by its resource name.

Sample code:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (BatchServiceClient batchServiceClient = BatchServiceClient.create()) {
   JobName name = JobName.of("[PROJECT]", "[LOCATION]", "[JOB]");
   Job response = batchServiceClient.getJob(name);
 }
 

Parameter

Name	Description
name	JobName Required. Job name.

Returns

Type	Description
Job

getJob(String name)

public final Job getJob(String name)

Get a Job specified by its resource name.

Sample code:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (BatchServiceClient batchServiceClient = BatchServiceClient.create()) {
   String name = JobName.of("[PROJECT]", "[LOCATION]", "[JOB]").toString();
   Job response = batchServiceClient.getJob(name);
 }
 

Parameter

Name	Description
name	String Required. Job name.

Returns

Type	Description
Job

getJobCallable()

public final UnaryCallable<GetJobRequest,Job> getJobCallable()

Get a Job specified by its resource name.

Sample code:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (BatchServiceClient batchServiceClient = BatchServiceClient.create()) {
   GetJobRequest request =
       GetJobRequest.newBuilder()
           .setName(JobName.of("[PROJECT]", "[LOCATION]", "[JOB]").toString())
           .build();
   ApiFuture<Job> future = batchServiceClient.getJobCallable().futureCall(request);
   // Do something.
   Job response = future.get();
 }
 

Returns

Type	Description
UnaryCallable<GetJobRequest,Job>

getOperationsClient()

public final OperationsClient getOperationsClient()

Returns the OperationsClient that can be used to query the status of a long-running operation returned by another API method call.

Returns

Type	Description
OperationsClient

getSettings()

public final BatchServiceSettings getSettings()

Returns

Type	Description
BatchServiceSettings

getStub()

public BatchServiceStub getStub()

Returns

Type	Description
BatchServiceStub

getTask(GetTaskRequest request)

public final Task getTask(GetTaskRequest request)

Return a single Task.

Sample code:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (BatchServiceClient batchServiceClient = BatchServiceClient.create()) {
   GetTaskRequest request =
       GetTaskRequest.newBuilder()
           .setName(
               TaskName.of("[PROJECT]", "[LOCATION]", "[JOB]", "[TASK_GROUP]", "[TASK]")
                   .toString())
           .build();
   Task response = batchServiceClient.getTask(request);
 }
 

Parameter

Name	Description
request	GetTaskRequest The request object containing all of the parameters for the API call.

Returns

Type	Description
Task

getTask(TaskName name)

public final Task getTask(TaskName name)

Return a single Task.

Sample code:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (BatchServiceClient batchServiceClient = BatchServiceClient.create()) {
   TaskName name = TaskName.of("[PROJECT]", "[LOCATION]", "[JOB]", "[TASK_GROUP]", "[TASK]");
   Task response = batchServiceClient.getTask(name);
 }
 

Parameter

Name	Description
name	TaskName Required. Task name.

Returns

Type	Description
Task

getTask(String name)

public final Task getTask(String name)

Return a single Task.

Sample code:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (BatchServiceClient batchServiceClient = BatchServiceClient.create()) {
   String name =
       TaskName.of("[PROJECT]", "[LOCATION]", "[JOB]", "[TASK_GROUP]", "[TASK]").toString();
   Task response = batchServiceClient.getTask(name);
 }
 

Parameter

Name	Description
name	String Required. Task name.

Returns

Type	Description
Task

getTaskCallable()

public final UnaryCallable<GetTaskRequest,Task> getTaskCallable()

Return a single Task.

Sample code:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (BatchServiceClient batchServiceClient = BatchServiceClient.create()) {
   GetTaskRequest request =
       GetTaskRequest.newBuilder()
           .setName(
               TaskName.of("[PROJECT]", "[LOCATION]", "[JOB]", "[TASK_GROUP]", "[TASK]")
                   .toString())
           .build();
   ApiFuture<Task> future = batchServiceClient.getTaskCallable().futureCall(request);
   // Do something.
   Task response = future.get();
 }
 

Returns

Type	Description
UnaryCallable<GetTaskRequest,Task>

isShutdown()

public boolean isShutdown()

Returns

Type	Description
boolean

isTerminated()

public boolean isTerminated()

Returns

Type	Description
boolean

listJobs(ListJobsRequest request)

public final BatchServiceClient.ListJobsPagedResponse listJobs(ListJobsRequest request)

List all Jobs for a project within a region.

Sample code:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (BatchServiceClient batchServiceClient = BatchServiceClient.create()) {
   ListJobsRequest request =
       ListJobsRequest.newBuilder()
           .setParent("parent-995424086")
           .setFilter("filter-1274492040")
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .build();
   for (Job element : batchServiceClient.listJobs(request).iterateAll()) {
     // doThingsWith(element);
   }
 }
 

Parameter

Name	Description
request	ListJobsRequest The request object containing all of the parameters for the API call.

Returns

Type	Description
BatchServiceClient.ListJobsPagedResponse

listJobs(String parent)

public final BatchServiceClient.ListJobsPagedResponse listJobs(String parent)

List all Jobs for a project within a region.

Sample code:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (BatchServiceClient batchServiceClient = BatchServiceClient.create()) {
   String parent = "parent-995424086";
   for (Job element : batchServiceClient.listJobs(parent).iterateAll()) {
     // doThingsWith(element);
   }
 }
 

Parameter

Name	Description
parent	String Parent path.

Returns

Type	Description
BatchServiceClient.ListJobsPagedResponse

listJobsCallable()

public final UnaryCallable<ListJobsRequest,ListJobsResponse> listJobsCallable()

List all Jobs for a project within a region.

Sample code:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (BatchServiceClient batchServiceClient = BatchServiceClient.create()) {
   ListJobsRequest request =
       ListJobsRequest.newBuilder()
           .setParent("parent-995424086")
           .setFilter("filter-1274492040")
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .build();
   while (true) {
     ListJobsResponse response = batchServiceClient.listJobsCallable().call(request);
     for (Job element : response.getJobsList()) {
       // doThingsWith(element);
     }
     String nextPageToken = response.getNextPageToken();
     if (!Strings.isNullOrEmpty(nextPageToken)) {
       request = request.toBuilder().setPageToken(nextPageToken).build();
     } else {
       break;
     }
   }
 }
 

Returns

Type	Description
UnaryCallable<ListJobsRequest,ListJobsResponse>

listJobsPagedCallable()

public final UnaryCallable<ListJobsRequest,BatchServiceClient.ListJobsPagedResponse> listJobsPagedCallable()

List all Jobs for a project within a region.

Sample code:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (BatchServiceClient batchServiceClient = BatchServiceClient.create()) {
   ListJobsRequest request =
       ListJobsRequest.newBuilder()
           .setParent("parent-995424086")
           .setFilter("filter-1274492040")
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .build();
   ApiFuture<Job> future = batchServiceClient.listJobsPagedCallable().futureCall(request);
   // Do something.
   for (Job element : future.get().iterateAll()) {
     // doThingsWith(element);
   }
 }
 

Returns

Type	Description
UnaryCallable<ListJobsRequest,ListJobsPagedResponse>

listTasks(ListTasksRequest request)

public final BatchServiceClient.ListTasksPagedResponse listTasks(ListTasksRequest request)

List Tasks associated with a job.

Sample code:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (BatchServiceClient batchServiceClient = BatchServiceClient.create()) {
   ListTasksRequest request =
       ListTasksRequest.newBuilder()
           .setParent(
               TaskGroupName.of("[PROJECT]", "[LOCATION]", "[JOB]", "[TASK_GROUP]").toString())
           .setFilter("filter-1274492040")
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .build();
   for (Task element : batchServiceClient.listTasks(request).iterateAll()) {
     // doThingsWith(element);
   }
 }
 

Parameter

Name	Description
request	ListTasksRequest The request object containing all of the parameters for the API call.

Returns

Type	Description
BatchServiceClient.ListTasksPagedResponse

listTasks(TaskGroupName parent)

public final BatchServiceClient.ListTasksPagedResponse listTasks(TaskGroupName parent)

List Tasks associated with a job.

Sample code:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (BatchServiceClient batchServiceClient = BatchServiceClient.create()) {
   TaskGroupName parent = TaskGroupName.of("[PROJECT]", "[LOCATION]", "[JOB]", "[TASK_GROUP]");
   for (Task element : batchServiceClient.listTasks(parent).iterateAll()) {
     // doThingsWith(element);
   }
 }
 

Parameter

Name	Description
parent	TaskGroupName Required. Name of a TaskGroup from which Tasks are being requested. Pattern: "projects/{project}/locations/{location}/jobs/{job}/taskGroups/{task_group}"

Returns

Type	Description
BatchServiceClient.ListTasksPagedResponse

listTasks(String parent)

public final BatchServiceClient.ListTasksPagedResponse listTasks(String parent)

List Tasks associated with a job.

Sample code:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (BatchServiceClient batchServiceClient = BatchServiceClient.create()) {
   String parent =
       TaskGroupName.of("[PROJECT]", "[LOCATION]", "[JOB]", "[TASK_GROUP]").toString();
   for (Task element : batchServiceClient.listTasks(parent).iterateAll()) {
     // doThingsWith(element);
   }
 }
 

Parameter

Name	Description
parent	String Required. Name of a TaskGroup from which Tasks are being requested. Pattern: "projects/{project}/locations/{location}/jobs/{job}/taskGroups/{task_group}"

Returns

Type	Description
BatchServiceClient.ListTasksPagedResponse

listTasksCallable()

public final UnaryCallable<ListTasksRequest,ListTasksResponse> listTasksCallable()

List Tasks associated with a job.

Sample code:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (BatchServiceClient batchServiceClient = BatchServiceClient.create()) {
   ListTasksRequest request =
       ListTasksRequest.newBuilder()
           .setParent(
               TaskGroupName.of("[PROJECT]", "[LOCATION]", "[JOB]", "[TASK_GROUP]").toString())
           .setFilter("filter-1274492040")
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .build();
   while (true) {
     ListTasksResponse response = batchServiceClient.listTasksCallable().call(request);
     for (Task element : response.getTasksList()) {
       // doThingsWith(element);
     }
     String nextPageToken = response.getNextPageToken();
     if (!Strings.isNullOrEmpty(nextPageToken)) {
       request = request.toBuilder().setPageToken(nextPageToken).build();
     } else {
       break;
     }
   }
 }
 

Returns

Type	Description
UnaryCallable<ListTasksRequest,ListTasksResponse>

listTasksPagedCallable()

public final UnaryCallable<ListTasksRequest,BatchServiceClient.ListTasksPagedResponse> listTasksPagedCallable()

List Tasks associated with a job.

Sample code:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (BatchServiceClient batchServiceClient = BatchServiceClient.create()) {
   ListTasksRequest request =
       ListTasksRequest.newBuilder()
           .setParent(
               TaskGroupName.of("[PROJECT]", "[LOCATION]", "[JOB]", "[TASK_GROUP]").toString())
           .setFilter("filter-1274492040")
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .build();
   ApiFuture<Task> future = batchServiceClient.listTasksPagedCallable().futureCall(request);
   // Do something.
   for (Task element : future.get().iterateAll()) {
     // doThingsWith(element);
   }
 }
 

Returns

Type	Description
UnaryCallable<ListTasksRequest,ListTasksPagedResponse>

shutdown()

public void shutdown()

shutdownNow()

public void shutdownNow()