Class TetherClient (2.8.0)

Version 2.8.0

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public class TetherClient implements BackgroundResource

Service Description: Tether provides a way for the control plane to send HTTP API requests to services in data planes that runs in a remote datacenter without requiring customers to open firewalls on their runtime plane.

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 (TetherClient tetherClient = TetherClient.create()) {
   BidiStream<EgressResponse, EgressRequest> bidiStream = tetherClient.egressCallable().call();
   EgressResponse request =
       EgressResponse.newBuilder()
           .setId("id3355")
           .setHttpResponse(HttpResponse.newBuilder().build())
           .setStatus(Status.newBuilder().build())
           .setProject("project-309310695")
           .setTraceId("traceId-1067401920")
           .setEndpoint(TetherEndpoint.forNumber(0))
           .setName("name3373707")
           .build();
   bidiStream.send(request);
   for (EgressRequest response : bidiStream) {
     // Do something when a response is received.
   }
 }
 

Note: close() needs to be called on the TetherClient 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 TetherSettings 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
 TetherSettings tetherSettings =
     TetherSettings.newBuilder()
         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
         .build();
 TetherClient tetherClient = TetherClient.create(tetherSettings);
 

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
 TetherSettings tetherSettings = TetherSettings.newBuilder().setEndpoint(myEndpoint).build();
 TetherClient tetherClient = TetherClient.create(tetherSettings);
 

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
 TetherSettings tetherSettings = TetherSettings.newHttpJsonBuilder().build();
 TetherClient tetherClient = TetherClient.create(tetherSettings);
 

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

Inheritance

java.lang.Object > TetherClient

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 TetherClient create()

Constructs an instance of TetherClient with default settings.

Returns

Type	Description
TetherClient

Exceptions

Type	Description
IOException

create(TetherSettings settings)

public static final TetherClient create(TetherSettings settings)

Constructs an instance of TetherClient, 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	TetherSettings

Returns

Type	Description
TetherClient

Exceptions

Type	Description
IOException

create(TetherStub stub)

public static final TetherClient create(TetherStub stub)

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

Parameter

Name	Description
stub	TetherStub

Returns

Type	Description
TetherClient

Constructors

TetherClient(TetherSettings settings)

protected TetherClient(TetherSettings settings)

Constructs an instance of TetherClient, 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	TetherSettings

TetherClient(TetherStub stub)

protected TetherClient(TetherStub stub)

Parameter

Name	Description
stub	TetherStub

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()

egressCallable()

public final BidiStreamingCallable<EgressResponse,EgressRequest> egressCallable()

Egress streams egress requests and responses. Logically, this is not actually a streaming request, but uses streaming as a mechanism to flip the client-server relationship of gRPC so that the server can act as a client. The listener, the RPC server, accepts connections from the dialer, the RPC client. The listener streams http requests and the dialer streams http responses.

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 (TetherClient tetherClient = TetherClient.create()) {
   BidiStream<EgressResponse, EgressRequest> bidiStream = tetherClient.egressCallable().call();
   EgressResponse request =
       EgressResponse.newBuilder()
           .setId("id3355")
           .setHttpResponse(HttpResponse.newBuilder().build())
           .setStatus(Status.newBuilder().build())
           .setProject("project-309310695")
           .setTraceId("traceId-1067401920")
           .setEndpoint(TetherEndpoint.forNumber(0))
           .setName("name3373707")
           .build();
   bidiStream.send(request);
   for (EgressRequest response : bidiStream) {
     // Do something when a response is received.
   }
 }
 

Returns

Type	Description
BidiStreamingCallable<EgressResponse,EgressRequest>

getSettings()

public final TetherSettings getSettings()

Returns

Type	Description
TetherSettings

getStub()

public TetherStub getStub()

Returns

Type	Description
TetherStub

isShutdown()

public boolean isShutdown()

Returns

Type	Description
boolean

isTerminated()

public boolean isTerminated()

Returns

Type	Description
boolean

shutdown()

public void shutdown()

shutdownNow()

public void shutdownNow()