Class RegionsClient (1.34.0)

Version 1.34.0

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public class RegionsClient implements BackgroundResource

Service Description: The Regions API.

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 (RegionsClient regionsClient = RegionsClient.create()) {
   String project = "project-309310695";
   String region = "region-934795532";
   Region response = regionsClient.get(project, region);
 }
 

Note: close() needs to be called on the RegionsClient 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 RegionsSettings 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
 RegionsSettings regionsSettings =
     RegionsSettings.newBuilder()
         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
         .build();
 RegionsClient regionsClient = RegionsClient.create(regionsSettings);
 

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
 RegionsSettings regionsSettings = RegionsSettings.newBuilder().setEndpoint(myEndpoint).build();
 RegionsClient regionsClient = RegionsClient.create(regionsSettings);
 

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

Inheritance

java.lang.Object > RegionsClient

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 RegionsClient create()

Constructs an instance of RegionsClient with default settings.

Returns
Type	Description
RegionsClient

Exceptions
Type	Description
IOException

create(RegionsSettings settings)

public static final RegionsClient create(RegionsSettings settings)

Constructs an instance of RegionsClient, 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	RegionsSettings

Returns
Type	Description
RegionsClient

Exceptions
Type	Description
IOException

create(RegionsStub stub)

public static final RegionsClient create(RegionsStub stub)

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

Parameter
Name	Description
stub	RegionsStub

Returns
Type	Description
RegionsClient

Constructors

RegionsClient(RegionsSettings settings)

protected RegionsClient(RegionsSettings settings)

Constructs an instance of RegionsClient, 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	RegionsSettings

RegionsClient(RegionsStub stub)

protected RegionsClient(RegionsStub stub)

Parameter
Name	Description
stub	RegionsStub

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()

get(GetRegionRequest request)

public final Region get(GetRegionRequest request)

Returns the specified Region resource. To decrease latency for this method, you can optionally omit any unneeded information from the response by using a field mask. This practice is especially recommended for unused quota information (the quotas field). To exclude one or more fields, set your request's fields query parameter to only include the fields you need. For example, to only include the id and selfLink fields, add the query parameter ?fields=id,selfLink to your request.

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 (RegionsClient regionsClient = RegionsClient.create()) {
   GetRegionRequest request =
       GetRegionRequest.newBuilder()
           .setProject("project-309310695")
           .setRegion("region-934795532")
           .build();
   Region response = regionsClient.get(request);
 }
 

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

Returns
Type	Description
Region

get(String project, String region)

public final Region get(String project, String region)

Returns the specified Region resource. To decrease latency for this method, you can optionally omit any unneeded information from the response by using a field mask. This practice is especially recommended for unused quota information (the quotas field). To exclude one or more fields, set your request's fields query parameter to only include the fields you need. For example, to only include the id and selfLink fields, add the query parameter ?fields=id,selfLink to your request.

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 (RegionsClient regionsClient = RegionsClient.create()) {
   String project = "project-309310695";
   String region = "region-934795532";
   Region response = regionsClient.get(project, region);
 }
 

Parameters
Name	Description
project	String Project ID for this request.
region	String Name of the region resource to return.

Returns
Type	Description
Region

getCallable()

public final UnaryCallable<GetRegionRequest,Region> getCallable()

Returns the specified Region resource. To decrease latency for this method, you can optionally omit any unneeded information from the response by using a field mask. This practice is especially recommended for unused quota information (the quotas field). To exclude one or more fields, set your request's fields query parameter to only include the fields you need. For example, to only include the id and selfLink fields, add the query parameter ?fields=id,selfLink to your request.

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 (RegionsClient regionsClient = RegionsClient.create()) {
   GetRegionRequest request =
       GetRegionRequest.newBuilder()
           .setProject("project-309310695")
           .setRegion("region-934795532")
           .build();
   ApiFuture<Region> future = regionsClient.getCallable().futureCall(request);
   // Do something.
   Region response = future.get();
 }
 

Returns
Type	Description
UnaryCallable<GetRegionRequest,Region>

getSettings()

public final RegionsSettings getSettings()

Returns
Type	Description
RegionsSettings

getStub()

public RegionsStub getStub()

Returns
Type	Description
RegionsStub

isShutdown()

public boolean isShutdown()

Returns
Type	Description
boolean

isTerminated()

public boolean isTerminated()

Returns
Type	Description
boolean

list(ListRegionsRequest request)

public final RegionsClient.ListPagedResponse list(ListRegionsRequest request)

Retrieves the list of region resources available to the specified project. To decrease latency for this method, you can optionally omit any unneeded information from the response by using a field mask. This practice is especially recommended for unused quota information (the items.quotas field). To exclude one or more fields, set your request's fields query parameter to only include the fields you need. For example, to only include the id and selfLink fields, add the query parameter ?fields=id,selfLink to your request.

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 (RegionsClient regionsClient = RegionsClient.create()) {
   ListRegionsRequest request =
       ListRegionsRequest.newBuilder()
           .setFilter("filter-1274492040")
           .setMaxResults(1128457243)
           .setOrderBy("orderBy-1207110587")
           .setPageToken("pageToken873572522")
           .setProject("project-309310695")
           .setReturnPartialSuccess(true)
           .build();
   for (Region element : regionsClient.list(request).iterateAll()) {
     // doThingsWith(element);
   }
 }
 

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

Returns
Type	Description
RegionsClient.ListPagedResponse

list(String project)

public final RegionsClient.ListPagedResponse list(String project)

Retrieves the list of region resources available to the specified project. To decrease latency for this method, you can optionally omit any unneeded information from the response by using a field mask. This practice is especially recommended for unused quota information (the items.quotas field). To exclude one or more fields, set your request's fields query parameter to only include the fields you need. For example, to only include the id and selfLink fields, add the query parameter ?fields=id,selfLink to your request.

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 (RegionsClient regionsClient = RegionsClient.create()) {
   String project = "project-309310695";
   for (Region element : regionsClient.list(project).iterateAll()) {
     // doThingsWith(element);
   }
 }
 

Parameter
Name	Description
project	String Project ID for this request.

Returns
Type	Description
RegionsClient.ListPagedResponse

listCallable()

public final UnaryCallable<ListRegionsRequest,RegionList> listCallable()

Retrieves the list of region resources available to the specified project. To decrease latency for this method, you can optionally omit any unneeded information from the response by using a field mask. This practice is especially recommended for unused quota information (the items.quotas field). To exclude one or more fields, set your request's fields query parameter to only include the fields you need. For example, to only include the id and selfLink fields, add the query parameter ?fields=id,selfLink to your request.

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 (RegionsClient regionsClient = RegionsClient.create()) {
   ListRegionsRequest request =
       ListRegionsRequest.newBuilder()
           .setFilter("filter-1274492040")
           .setMaxResults(1128457243)
           .setOrderBy("orderBy-1207110587")
           .setPageToken("pageToken873572522")
           .setProject("project-309310695")
           .setReturnPartialSuccess(true)
           .build();
   while (true) {
     RegionList response = regionsClient.listCallable().call(request);
     for (Region element : response.getItemsList()) {
       // doThingsWith(element);
     }
     String nextPageToken = response.getNextPageToken();
     if (!Strings.isNullOrEmpty(nextPageToken)) {
       request = request.toBuilder().setPageToken(nextPageToken).build();
     } else {
       break;
     }
   }
 }
 

Returns
Type	Description
UnaryCallable<ListRegionsRequest,RegionList>

listPagedCallable()

public final UnaryCallable<ListRegionsRequest,RegionsClient.ListPagedResponse> listPagedCallable()

Retrieves the list of region resources available to the specified project. To decrease latency for this method, you can optionally omit any unneeded information from the response by using a field mask. This practice is especially recommended for unused quota information (the items.quotas field). To exclude one or more fields, set your request's fields query parameter to only include the fields you need. For example, to only include the id and selfLink fields, add the query parameter ?fields=id,selfLink to your request.

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 (RegionsClient regionsClient = RegionsClient.create()) {
   ListRegionsRequest request =
       ListRegionsRequest.newBuilder()
           .setFilter("filter-1274492040")
           .setMaxResults(1128457243)
           .setOrderBy("orderBy-1207110587")
           .setPageToken("pageToken873572522")
           .setProject("project-309310695")
           .setReturnPartialSuccess(true)
           .build();
   ApiFuture<Region> future = regionsClient.listPagedCallable().futureCall(request);
   // Do something.
   for (Region element : future.get().iterateAll()) {
     // doThingsWith(element);
   }
 }
 

Returns
Type	Description
UnaryCallable<ListRegionsRequest,ListPagedResponse>

shutdown()

public void shutdown()

shutdownNow()

public void shutdownNow()