Class TemplatesServiceClient (0.35.0)

Version 0.35.0

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Beta

This library is covered by the Pre-GA Offerings Terms of the Terms of Service. Pre-GA libraries might have limited support, and changes to pre-GA libraries might not be compatible with other pre-GA versions. For more information, see the launch stage descriptions.

GitHub Repository

Product Reference

REST Documentation

RPC Documentation

Service Description: Provides a method to create Cloud Dataflow jobs from templates.

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 and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (TemplatesServiceClient templatesServiceClient = TemplatesServiceClient.create()) {
   CreateJobFromTemplateRequest request =
       CreateJobFromTemplateRequest.newBuilder()
           .setProjectId("projectId-894832108")
           .setJobName("jobName-1438096408")
           .putAllParameters(new HashMap<String, String>())
           .setEnvironment(RuntimeEnvironment.newBuilder().build())
           .setLocation("location1901043637")
           .build();
   Job response = templatesServiceClient.createJobFromTemplate(request);
 }
 

Note: close() needs to be called on the TemplatesServiceClient 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 TemplatesServiceSettings to create(). For example:

To customize credentials:

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 TemplatesServiceSettings templatesServiceSettings =
     TemplatesServiceSettings.newBuilder()
         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
         .build();
 TemplatesServiceClient templatesServiceClient =
     TemplatesServiceClient.create(templatesServiceSettings);
 

To customize the endpoint:

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 TemplatesServiceSettings templatesServiceSettings =
     TemplatesServiceSettings.newBuilder().setEndpoint(myEndpoint).build();
 TemplatesServiceClient templatesServiceClient =
     TemplatesServiceClient.create(templatesServiceSettings);
 

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

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 TemplatesServiceSettings templatesServiceSettings =
     TemplatesServiceSettings.newHttpJsonBuilder().build();
 TemplatesServiceClient templatesServiceClient =
     TemplatesServiceClient.create(templatesServiceSettings);
 

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

Inheritance

java.lang.Object > TemplatesServiceClient

Static Methods

create()

public static final TemplatesServiceClient create()

Constructs an instance of TemplatesServiceClient with default settings.

Returns
Type	Description
TemplatesServiceClient

Exceptions
Type	Description
IOException

create(TemplatesServiceSettings settings)

public static final TemplatesServiceClient create(TemplatesServiceSettings settings)

Constructs an instance of TemplatesServiceClient, 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	TemplatesServiceSettings

Returns
Type	Description
TemplatesServiceClient

Exceptions
Type	Description
IOException

create(TemplatesServiceStub stub)

public static final TemplatesServiceClient create(TemplatesServiceStub stub)

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

Parameter
Name	Description
stub	TemplatesServiceStub

Returns
Type	Description
TemplatesServiceClient

Constructors

TemplatesServiceClient(TemplatesServiceSettings settings)

protected TemplatesServiceClient(TemplatesServiceSettings settings)

Constructs an instance of TemplatesServiceClient, 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	TemplatesServiceSettings

TemplatesServiceClient(TemplatesServiceStub stub)

protected TemplatesServiceClient(TemplatesServiceStub stub)

Parameter
Name	Description
stub	TemplatesServiceStub

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()

createJobFromTemplate(CreateJobFromTemplateRequest request)

public final Job createJobFromTemplate(CreateJobFromTemplateRequest request)

Creates a Cloud Dataflow job from a template.

Sample code:

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (TemplatesServiceClient templatesServiceClient = TemplatesServiceClient.create()) {
   CreateJobFromTemplateRequest request =
       CreateJobFromTemplateRequest.newBuilder()
           .setProjectId("projectId-894832108")
           .setJobName("jobName-1438096408")
           .putAllParameters(new HashMap<String, String>())
           .setEnvironment(RuntimeEnvironment.newBuilder().build())
           .setLocation("location1901043637")
           .build();
   Job response = templatesServiceClient.createJobFromTemplate(request);
 }
 

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

Returns
Type	Description
Job

createJobFromTemplateCallable()

public final UnaryCallable<CreateJobFromTemplateRequest,Job> createJobFromTemplateCallable()

Creates a Cloud Dataflow job from a template.

Sample code:

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (TemplatesServiceClient templatesServiceClient = TemplatesServiceClient.create()) {
   CreateJobFromTemplateRequest request =
       CreateJobFromTemplateRequest.newBuilder()
           .setProjectId("projectId-894832108")
           .setJobName("jobName-1438096408")
           .putAllParameters(new HashMap<String, String>())
           .setEnvironment(RuntimeEnvironment.newBuilder().build())
           .setLocation("location1901043637")
           .build();
   ApiFuture<Job> future =
       templatesServiceClient.createJobFromTemplateCallable().futureCall(request);
   // Do something.
   Job response = future.get();
 }
 

Returns
Type	Description
UnaryCallable<CreateJobFromTemplateRequest,Job>

getSettings()

public final TemplatesServiceSettings getSettings()

Returns
Type	Description
TemplatesServiceSettings

getStub()

public TemplatesServiceStub getStub()

Returns
Type	Description
TemplatesServiceStub

getTemplate(GetTemplateRequest request)

public final GetTemplateResponse getTemplate(GetTemplateRequest request)

Get the template associated with a template.

Sample code:

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (TemplatesServiceClient templatesServiceClient = TemplatesServiceClient.create()) {
   GetTemplateRequest request =
       GetTemplateRequest.newBuilder()
           .setProjectId("projectId-894832108")
           .setLocation("location1901043637")
           .build();
   GetTemplateResponse response = templatesServiceClient.getTemplate(request);
 }
 

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

Returns
Type	Description
GetTemplateResponse

getTemplateCallable()

public final UnaryCallable<GetTemplateRequest,GetTemplateResponse> getTemplateCallable()

Get the template associated with a template.

Sample code:

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (TemplatesServiceClient templatesServiceClient = TemplatesServiceClient.create()) {
   GetTemplateRequest request =
       GetTemplateRequest.newBuilder()
           .setProjectId("projectId-894832108")
           .setLocation("location1901043637")
           .build();
   ApiFuture<GetTemplateResponse> future =
       templatesServiceClient.getTemplateCallable().futureCall(request);
   // Do something.
   GetTemplateResponse response = future.get();
 }
 

Returns
Type	Description
UnaryCallable<GetTemplateRequest,GetTemplateResponse>

isShutdown()

public boolean isShutdown()

Returns
Type	Description
boolean

isTerminated()

public boolean isTerminated()

Returns
Type	Description
boolean

launchTemplate(LaunchTemplateRequest request)

public final LaunchTemplateResponse launchTemplate(LaunchTemplateRequest request)

Launch a template.

Sample code:

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (TemplatesServiceClient templatesServiceClient = TemplatesServiceClient.create()) {
   LaunchTemplateRequest request =
       LaunchTemplateRequest.newBuilder()
           .setProjectId("projectId-894832108")
           .setValidateOnly(true)
           .setLaunchParameters(LaunchTemplateParameters.newBuilder().build())
           .setLocation("location1901043637")
           .build();
   LaunchTemplateResponse response = templatesServiceClient.launchTemplate(request);
 }
 

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

Returns
Type	Description
LaunchTemplateResponse

launchTemplateCallable()

public final UnaryCallable<LaunchTemplateRequest,LaunchTemplateResponse> launchTemplateCallable()

Launch a template.

Sample code:

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (TemplatesServiceClient templatesServiceClient = TemplatesServiceClient.create()) {
   LaunchTemplateRequest request =
       LaunchTemplateRequest.newBuilder()
           .setProjectId("projectId-894832108")
           .setValidateOnly(true)
           .setLaunchParameters(LaunchTemplateParameters.newBuilder().build())
           .setLocation("location1901043637")
           .build();
   ApiFuture<LaunchTemplateResponse> future =
       templatesServiceClient.launchTemplateCallable().futureCall(request);
   // Do something.
   LaunchTemplateResponse response = future.get();
 }
 

Returns
Type	Description
UnaryCallable<LaunchTemplateRequest,LaunchTemplateResponse>

shutdown()

public void shutdown()

shutdownNow()

public void shutdownNow()