Class MetadataServiceClient (1.7.0)

Version 1.7.0

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public class MetadataServiceClient implements BackgroundResource

Service Description: Metadata service manages metadata resources such as tables, filesets and partitions.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   ZoneName parent = ZoneName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[ZONE]");
   Entity entity = Entity.newBuilder().build();
   Entity response = metadataServiceClient.createEntity(parent, entity);
 }
 

Note: close() needs to be called on the MetadataServiceClient 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 MetadataServiceSettings 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
 MetadataServiceSettings metadataServiceSettings =
     MetadataServiceSettings.newBuilder()
         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
         .build();
 MetadataServiceClient metadataServiceClient =
     MetadataServiceClient.create(metadataServiceSettings);
 

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
 MetadataServiceSettings metadataServiceSettings =
     MetadataServiceSettings.newBuilder().setEndpoint(myEndpoint).build();
 MetadataServiceClient metadataServiceClient =
     MetadataServiceClient.create(metadataServiceSettings);
 

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
 MetadataServiceSettings metadataServiceSettings =
     MetadataServiceSettings.newHttpJsonBuilder().build();
 MetadataServiceClient metadataServiceClient =
     MetadataServiceClient.create(metadataServiceSettings);
 

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

Inheritance

java.lang.Object > MetadataServiceClient

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 MetadataServiceClient create()

Constructs an instance of MetadataServiceClient with default settings.

Returns

Type	Description
MetadataServiceClient

Exceptions

Type	Description
IOException

create(MetadataServiceSettings settings)

public static final MetadataServiceClient create(MetadataServiceSettings settings)

Constructs an instance of MetadataServiceClient, 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	MetadataServiceSettings

Returns

Type	Description
MetadataServiceClient

Exceptions

Type	Description
IOException

create(MetadataServiceStub stub)

public static final MetadataServiceClient create(MetadataServiceStub stub)

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

Parameter

Name	Description
stub	MetadataServiceStub

Returns

Type	Description
MetadataServiceClient

Constructors

MetadataServiceClient(MetadataServiceSettings settings)

protected MetadataServiceClient(MetadataServiceSettings settings)

Constructs an instance of MetadataServiceClient, 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	MetadataServiceSettings

MetadataServiceClient(MetadataServiceStub stub)

protected MetadataServiceClient(MetadataServiceStub stub)

Parameter

Name	Description
stub	MetadataServiceStub

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()

createEntity(CreateEntityRequest request)

public final Entity createEntity(CreateEntityRequest request)

Create a metadata entity.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   CreateEntityRequest request =
       CreateEntityRequest.newBuilder()
           .setParent(ZoneName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[ZONE]").toString())
           .setEntity(Entity.newBuilder().build())
           .setValidateOnly(true)
           .build();
   Entity response = metadataServiceClient.createEntity(request);
 }
 

Parameter

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

Returns

Type	Description
Entity

createEntity(ZoneName parent, Entity entity)

public final Entity createEntity(ZoneName parent, Entity entity)

Create a metadata entity.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   ZoneName parent = ZoneName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[ZONE]");
   Entity entity = Entity.newBuilder().build();
   Entity response = metadataServiceClient.createEntity(parent, entity);
 }
 

Parameters

Name	Description
parent	ZoneName Required. The resource name of the parent zone: projects/{project_number}/locations/{location_id}/lakes/{lake_id}/zones/{zone_id}.
entity	Entity Required. Entity resource.

Returns

Type	Description
Entity

createEntity(String parent, Entity entity)

public final Entity createEntity(String parent, Entity entity)

Create a metadata entity.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   String parent = ZoneName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[ZONE]").toString();
   Entity entity = Entity.newBuilder().build();
   Entity response = metadataServiceClient.createEntity(parent, entity);
 }
 

Parameters

Name	Description
parent	String Required. The resource name of the parent zone: projects/{project_number}/locations/{location_id}/lakes/{lake_id}/zones/{zone_id}.
entity	Entity Required. Entity resource.

Returns

Type	Description
Entity

createEntityCallable()

public final UnaryCallable<CreateEntityRequest,Entity> createEntityCallable()

Create a metadata entity.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   CreateEntityRequest request =
       CreateEntityRequest.newBuilder()
           .setParent(ZoneName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[ZONE]").toString())
           .setEntity(Entity.newBuilder().build())
           .setValidateOnly(true)
           .build();
   ApiFuture<Entity> future = metadataServiceClient.createEntityCallable().futureCall(request);
   // Do something.
   Entity response = future.get();
 }
 

Returns

Type	Description
UnaryCallable<CreateEntityRequest,Entity>

createPartition(CreatePartitionRequest request)

public final Partition createPartition(CreatePartitionRequest request)

Create a metadata partition.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   CreatePartitionRequest request =
       CreatePartitionRequest.newBuilder()
           .setParent(
               EntityName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[ZONE]", "[ENTITY]")
                   .toString())
           .setPartition(Partition.newBuilder().build())
           .setValidateOnly(true)
           .build();
   Partition response = metadataServiceClient.createPartition(request);
 }
 

Parameter

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

Returns

Type	Description
Partition

createPartition(EntityName parent, Partition partition)

public final Partition createPartition(EntityName parent, Partition partition)

Create a metadata partition.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   EntityName parent = EntityName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[ZONE]", "[ENTITY]");
   Partition partition = Partition.newBuilder().build();
   Partition response = metadataServiceClient.createPartition(parent, partition);
 }
 

Parameters

Name	Description
parent	EntityName Required. The resource name of the parent zone: projects/{project_number}/locations/{location_id}/lakes/{lake_id}/zones/{zone_id}/entities/{entity_id}.
partition	Partition Required. Partition resource.

Returns

Type	Description
Partition

createPartition(String parent, Partition partition)

public final Partition createPartition(String parent, Partition partition)

Create a metadata partition.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   String parent =
       EntityName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[ZONE]", "[ENTITY]").toString();
   Partition partition = Partition.newBuilder().build();
   Partition response = metadataServiceClient.createPartition(parent, partition);
 }
 

Parameters

Name	Description
parent	String Required. The resource name of the parent zone: projects/{project_number}/locations/{location_id}/lakes/{lake_id}/zones/{zone_id}/entities/{entity_id}.
partition	Partition Required. Partition resource.

Returns

Type	Description
Partition

createPartitionCallable()

public final UnaryCallable<CreatePartitionRequest,Partition> createPartitionCallable()

Create a metadata partition.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   CreatePartitionRequest request =
       CreatePartitionRequest.newBuilder()
           .setParent(
               EntityName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[ZONE]", "[ENTITY]")
                   .toString())
           .setPartition(Partition.newBuilder().build())
           .setValidateOnly(true)
           .build();
   ApiFuture<Partition> future =
       metadataServiceClient.createPartitionCallable().futureCall(request);
   // Do something.
   Partition response = future.get();
 }
 

Returns

Type	Description
UnaryCallable<CreatePartitionRequest,Partition>

deleteEntity(DeleteEntityRequest request)

public final void deleteEntity(DeleteEntityRequest request)

Delete a metadata entity.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   DeleteEntityRequest request =
       DeleteEntityRequest.newBuilder()
           .setName(
               EntityName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[ZONE]", "[ENTITY]")
                   .toString())
           .setEtag("etag3123477")
           .build();
   metadataServiceClient.deleteEntity(request);
 }
 

Parameter

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

deleteEntity(EntityName name)

public final void deleteEntity(EntityName name)

Delete a metadata entity.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   EntityName name = EntityName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[ZONE]", "[ENTITY]");
   metadataServiceClient.deleteEntity(name);
 }
 

Parameter

Name	Description
name	EntityName Required. The resource name of the entity: projects/{project_number}/locations/{location_id}/lakes/{lake_id}/zones/{zone_id}/entities/{entity_id}.

deleteEntity(String name)

public final void deleteEntity(String name)

Delete a metadata entity.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   String name =
       EntityName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[ZONE]", "[ENTITY]").toString();
   metadataServiceClient.deleteEntity(name);
 }
 

Parameter

Name	Description
name	String Required. The resource name of the entity: projects/{project_number}/locations/{location_id}/lakes/{lake_id}/zones/{zone_id}/entities/{entity_id}.

deleteEntityCallable()

public final UnaryCallable<DeleteEntityRequest,Empty> deleteEntityCallable()

Delete a metadata entity.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   DeleteEntityRequest request =
       DeleteEntityRequest.newBuilder()
           .setName(
               EntityName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[ZONE]", "[ENTITY]")
                   .toString())
           .setEtag("etag3123477")
           .build();
   ApiFuture<Empty> future = metadataServiceClient.deleteEntityCallable().futureCall(request);
   // Do something.
   future.get();
 }
 

Returns

Type	Description
UnaryCallable<DeleteEntityRequest,Empty>

deletePartition(DeletePartitionRequest request)

public final void deletePartition(DeletePartitionRequest request)

Delete a metadata partition.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   DeletePartitionRequest request =
       DeletePartitionRequest.newBuilder()
           .setName(
               PartitionName.of(
                       "[PROJECT]", "[LOCATION]", "[LAKE]", "[ZONE]", "[ENTITY]", "[PARTITION]")
                   .toString())
           .setEtag("etag3123477")
           .build();
   metadataServiceClient.deletePartition(request);
 }
 

Parameter

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

deletePartition(PartitionName name)

public final void deletePartition(PartitionName name)

Delete a metadata partition.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   PartitionName name =
       PartitionName.of(
           "[PROJECT]", "[LOCATION]", "[LAKE]", "[ZONE]", "[ENTITY]", "[PARTITION]");
   metadataServiceClient.deletePartition(name);
 }
 

Parameter

Name	Description
name	PartitionName Required. The resource name of the partition. format: projects/{project_number}/locations/{location_id}/lakes/{lake_id}/zones/{zone_id}/entities/{entity_id}/partitions/{partition_value_path}. The {partition_value_path} segment consists of an ordered sequence of partition values separated by "/". All values must be provided.

deletePartition(String name)

public final void deletePartition(String name)

Delete a metadata partition.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   String name =
       PartitionName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[ZONE]", "[ENTITY]", "[PARTITION]")
           .toString();
   metadataServiceClient.deletePartition(name);
 }
 

Parameter

Name	Description
name	String Required. The resource name of the partition. format: projects/{project_number}/locations/{location_id}/lakes/{lake_id}/zones/{zone_id}/entities/{entity_id}/partitions/{partition_value_path}. The {partition_value_path} segment consists of an ordered sequence of partition values separated by "/". All values must be provided.

deletePartitionCallable()

public final UnaryCallable<DeletePartitionRequest,Empty> deletePartitionCallable()

Delete a metadata partition.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   DeletePartitionRequest request =
       DeletePartitionRequest.newBuilder()
           .setName(
               PartitionName.of(
                       "[PROJECT]", "[LOCATION]", "[LAKE]", "[ZONE]", "[ENTITY]", "[PARTITION]")
                   .toString())
           .setEtag("etag3123477")
           .build();
   ApiFuture<Empty> future = metadataServiceClient.deletePartitionCallable().futureCall(request);
   // Do something.
   future.get();
 }
 

Returns

Type	Description
UnaryCallable<DeletePartitionRequest,Empty>

getEntity(EntityName name)

public final Entity getEntity(EntityName name)

Get a metadata entity.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   EntityName name = EntityName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[ZONE]", "[ENTITY]");
   Entity response = metadataServiceClient.getEntity(name);
 }
 

Parameter

Name	Description
name	EntityName Required. The resource name of the entity: projects/{project_number}/locations/{location_id}/lakes/{lake_id}/zones/{zone_id}/entities/{entity_id}.

Returns

Type	Description
Entity

getEntity(GetEntityRequest request)

public final Entity getEntity(GetEntityRequest request)

Get a metadata entity.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   GetEntityRequest request =
       GetEntityRequest.newBuilder()
           .setName(
               EntityName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[ZONE]", "[ENTITY]")
                   .toString())
           .build();
   Entity response = metadataServiceClient.getEntity(request);
 }
 

Parameter

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

Returns

Type	Description
Entity

getEntity(String name)

public final Entity getEntity(String name)

Get a metadata entity.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   String name =
       EntityName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[ZONE]", "[ENTITY]").toString();
   Entity response = metadataServiceClient.getEntity(name);
 }
 

Parameter

Name	Description
name	String Required. The resource name of the entity: projects/{project_number}/locations/{location_id}/lakes/{lake_id}/zones/{zone_id}/entities/{entity_id}.

Returns

Type	Description
Entity

getEntityCallable()

public final UnaryCallable<GetEntityRequest,Entity> getEntityCallable()

Get a metadata entity.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   GetEntityRequest request =
       GetEntityRequest.newBuilder()
           .setName(
               EntityName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[ZONE]", "[ENTITY]")
                   .toString())
           .build();
   ApiFuture<Entity> future = metadataServiceClient.getEntityCallable().futureCall(request);
   // Do something.
   Entity response = future.get();
 }
 

Returns

Type	Description
UnaryCallable<GetEntityRequest,Entity>

getLocation(GetLocationRequest request)

public final Location getLocation(GetLocationRequest request)

Gets information about a location.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   GetLocationRequest request = GetLocationRequest.newBuilder().setName("name3373707").build();
   Location response = metadataServiceClient.getLocation(request);
 }
 

Parameter

Name	Description
request	com.google.cloud.location.GetLocationRequest The request object containing all of the parameters for the API call.

Returns

Type	Description
com.google.cloud.location.Location

getLocationCallable()

public final UnaryCallable<GetLocationRequest,Location> getLocationCallable()

Gets information about a location.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   GetLocationRequest request = GetLocationRequest.newBuilder().setName("name3373707").build();
   ApiFuture<Location> future = metadataServiceClient.getLocationCallable().futureCall(request);
   // Do something.
   Location response = future.get();
 }
 

Returns

Type	Description
UnaryCallable<com.google.cloud.location.GetLocationRequest,com.google.cloud.location.Location>

getPartition(GetPartitionRequest request)

public final Partition getPartition(GetPartitionRequest request)

Get a metadata partition of an entity.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   GetPartitionRequest request =
       GetPartitionRequest.newBuilder()
           .setName(
               PartitionName.of(
                       "[PROJECT]", "[LOCATION]", "[LAKE]", "[ZONE]", "[ENTITY]", "[PARTITION]")
                   .toString())
           .build();
   Partition response = metadataServiceClient.getPartition(request);
 }
 

Parameter

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

Returns

Type	Description
Partition

getPartition(PartitionName name)

public final Partition getPartition(PartitionName name)

Get a metadata partition of an entity.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   PartitionName name =
       PartitionName.of(
           "[PROJECT]", "[LOCATION]", "[LAKE]", "[ZONE]", "[ENTITY]", "[PARTITION]");
   Partition response = metadataServiceClient.getPartition(name);
 }
 

Parameter

Name	Description
name	PartitionName Required. The resource name of the partition: projects/{project_number}/locations/{location_id}/lakes/{lake_id}/zones/{zone_id}/entities/{entity_id}/partitions/{partition_value_path}. The {partition_value_path} segment consists of an ordered sequence of partition values separated by "/". All values must be provided.

Returns

Type	Description
Partition

getPartition(String name)

public final Partition getPartition(String name)

Get a metadata partition of an entity.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   String name =
       PartitionName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[ZONE]", "[ENTITY]", "[PARTITION]")
           .toString();
   Partition response = metadataServiceClient.getPartition(name);
 }
 

Parameter

Name	Description
name	String Required. The resource name of the partition: projects/{project_number}/locations/{location_id}/lakes/{lake_id}/zones/{zone_id}/entities/{entity_id}/partitions/{partition_value_path}. The {partition_value_path} segment consists of an ordered sequence of partition values separated by "/". All values must be provided.

Returns

Type	Description
Partition

getPartitionCallable()

public final UnaryCallable<GetPartitionRequest,Partition> getPartitionCallable()

Get a metadata partition of an entity.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   GetPartitionRequest request =
       GetPartitionRequest.newBuilder()
           .setName(
               PartitionName.of(
                       "[PROJECT]", "[LOCATION]", "[LAKE]", "[ZONE]", "[ENTITY]", "[PARTITION]")
                   .toString())
           .build();
   ApiFuture<Partition> future =
       metadataServiceClient.getPartitionCallable().futureCall(request);
   // Do something.
   Partition response = future.get();
 }
 

Returns

Type	Description
UnaryCallable<GetPartitionRequest,Partition>

getSettings()

public final MetadataServiceSettings getSettings()

Returns

Type	Description
MetadataServiceSettings

getStub()

public MetadataServiceStub getStub()

Returns

Type	Description
MetadataServiceStub

isShutdown()

public boolean isShutdown()

Returns

Type	Description
boolean

isTerminated()

public boolean isTerminated()

Returns

Type	Description
boolean

listEntities(ListEntitiesRequest request)

public final MetadataServiceClient.ListEntitiesPagedResponse listEntities(ListEntitiesRequest request)

List metadata entities in a zone.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   ListEntitiesRequest request =
       ListEntitiesRequest.newBuilder()
           .setParent(ZoneName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[ZONE]").toString())
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .setFilter("filter-1274492040")
           .build();
   for (Entity element : metadataServiceClient.listEntities(request).iterateAll()) {
     // doThingsWith(element);
   }
 }
 

Parameter

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

Returns

Type	Description
MetadataServiceClient.ListEntitiesPagedResponse

listEntities(ZoneName parent)

public final MetadataServiceClient.ListEntitiesPagedResponse listEntities(ZoneName parent)

List metadata entities in a zone.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   ZoneName parent = ZoneName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[ZONE]");
   for (Entity element : metadataServiceClient.listEntities(parent).iterateAll()) {
     // doThingsWith(element);
   }
 }
 

Parameter

Name	Description
parent	ZoneName Required. The resource name of the parent zone: projects/{project_number}/locations/{location_id}/lakes/{lake_id}/zones/{zone_id}.

Returns

Type	Description
MetadataServiceClient.ListEntitiesPagedResponse

listEntities(String parent)

public final MetadataServiceClient.ListEntitiesPagedResponse listEntities(String parent)

List metadata entities in a zone.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   String parent = ZoneName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[ZONE]").toString();
   for (Entity element : metadataServiceClient.listEntities(parent).iterateAll()) {
     // doThingsWith(element);
   }
 }
 

Parameter

Name	Description
parent	String Required. The resource name of the parent zone: projects/{project_number}/locations/{location_id}/lakes/{lake_id}/zones/{zone_id}.

Returns

Type	Description
MetadataServiceClient.ListEntitiesPagedResponse

listEntitiesCallable()

public final UnaryCallable<ListEntitiesRequest,ListEntitiesResponse> listEntitiesCallable()

List metadata entities in a zone.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   ListEntitiesRequest request =
       ListEntitiesRequest.newBuilder()
           .setParent(ZoneName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[ZONE]").toString())
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .setFilter("filter-1274492040")
           .build();
   while (true) {
     ListEntitiesResponse response = metadataServiceClient.listEntitiesCallable().call(request);
     for (Entity element : response.getEntitiesList()) {
       // doThingsWith(element);
     }
     String nextPageToken = response.getNextPageToken();
     if (!Strings.isNullOrEmpty(nextPageToken)) {
       request = request.toBuilder().setPageToken(nextPageToken).build();
     } else {
       break;
     }
   }
 }
 

Returns

Type	Description
UnaryCallable<ListEntitiesRequest,ListEntitiesResponse>

listEntitiesPagedCallable()

public final UnaryCallable<ListEntitiesRequest,MetadataServiceClient.ListEntitiesPagedResponse> listEntitiesPagedCallable()

List metadata entities in a zone.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   ListEntitiesRequest request =
       ListEntitiesRequest.newBuilder()
           .setParent(ZoneName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[ZONE]").toString())
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .setFilter("filter-1274492040")
           .build();
   ApiFuture<Entity> future =
       metadataServiceClient.listEntitiesPagedCallable().futureCall(request);
   // Do something.
   for (Entity element : future.get().iterateAll()) {
     // doThingsWith(element);
   }
 }
 

Returns

Type	Description
UnaryCallable<ListEntitiesRequest,ListEntitiesPagedResponse>

listLocations(ListLocationsRequest request)

public final MetadataServiceClient.ListLocationsPagedResponse listLocations(ListLocationsRequest request)

Lists information about the supported locations for this service.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   ListLocationsRequest request =
       ListLocationsRequest.newBuilder()
           .setName("name3373707")
           .setFilter("filter-1274492040")
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .build();
   for (Location element : metadataServiceClient.listLocations(request).iterateAll()) {
     // doThingsWith(element);
   }
 }
 

Parameter

Name	Description
request	com.google.cloud.location.ListLocationsRequest The request object containing all of the parameters for the API call.

Returns

Type	Description
MetadataServiceClient.ListLocationsPagedResponse

listLocationsCallable()

public final UnaryCallable<ListLocationsRequest,ListLocationsResponse> listLocationsCallable()

Lists information about the supported locations for this service.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   ListLocationsRequest request =
       ListLocationsRequest.newBuilder()
           .setName("name3373707")
           .setFilter("filter-1274492040")
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .build();
   while (true) {
     ListLocationsResponse response =
         metadataServiceClient.listLocationsCallable().call(request);
     for (Location element : response.getLocationsList()) {
       // doThingsWith(element);
     }
     String nextPageToken = response.getNextPageToken();
     if (!Strings.isNullOrEmpty(nextPageToken)) {
       request = request.toBuilder().setPageToken(nextPageToken).build();
     } else {
       break;
     }
   }
 }
 

Returns

Type	Description
UnaryCallable<com.google.cloud.location.ListLocationsRequest,com.google.cloud.location.ListLocationsResponse>

listLocationsPagedCallable()

public final UnaryCallable<ListLocationsRequest,MetadataServiceClient.ListLocationsPagedResponse> listLocationsPagedCallable()

Lists information about the supported locations for this service.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   ListLocationsRequest request =
       ListLocationsRequest.newBuilder()
           .setName("name3373707")
           .setFilter("filter-1274492040")
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .build();
   ApiFuture<Location> future =
       metadataServiceClient.listLocationsPagedCallable().futureCall(request);
   // Do something.
   for (Location element : future.get().iterateAll()) {
     // doThingsWith(element);
   }
 }
 

Returns

Type	Description
UnaryCallable<com.google.cloud.location.ListLocationsRequest,ListLocationsPagedResponse>

listPartitions(EntityName parent)

public final MetadataServiceClient.ListPartitionsPagedResponse listPartitions(EntityName parent)

List metadata partitions of an entity.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   EntityName parent = EntityName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[ZONE]", "[ENTITY]");
   for (Partition element : metadataServiceClient.listPartitions(parent).iterateAll()) {
     // doThingsWith(element);
   }
 }
 

Parameter

Name	Description
parent	EntityName Required. The resource name of the parent entity: projects/{project_number}/locations/{location_id}/lakes/{lake_id}/zones/{zone_id}/entities/{entity_id}.

Returns

Type	Description
MetadataServiceClient.ListPartitionsPagedResponse

listPartitions(ListPartitionsRequest request)

public final MetadataServiceClient.ListPartitionsPagedResponse listPartitions(ListPartitionsRequest request)

List metadata partitions of an entity.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   ListPartitionsRequest request =
       ListPartitionsRequest.newBuilder()
           .setParent(
               EntityName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[ZONE]", "[ENTITY]")
                   .toString())
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .setFilter("filter-1274492040")
           .build();
   for (Partition element : metadataServiceClient.listPartitions(request).iterateAll()) {
     // doThingsWith(element);
   }
 }
 

Parameter

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

Returns

Type	Description
MetadataServiceClient.ListPartitionsPagedResponse

listPartitions(String parent)

public final MetadataServiceClient.ListPartitionsPagedResponse listPartitions(String parent)

List metadata partitions of an entity.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   String parent =
       EntityName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[ZONE]", "[ENTITY]").toString();
   for (Partition element : metadataServiceClient.listPartitions(parent).iterateAll()) {
     // doThingsWith(element);
   }
 }
 

Parameter

Name	Description
parent	String Required. The resource name of the parent entity: projects/{project_number}/locations/{location_id}/lakes/{lake_id}/zones/{zone_id}/entities/{entity_id}.

Returns

Type	Description
MetadataServiceClient.ListPartitionsPagedResponse

listPartitionsCallable()

public final UnaryCallable<ListPartitionsRequest,ListPartitionsResponse> listPartitionsCallable()

List metadata partitions of an entity.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   ListPartitionsRequest request =
       ListPartitionsRequest.newBuilder()
           .setParent(
               EntityName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[ZONE]", "[ENTITY]")
                   .toString())
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .setFilter("filter-1274492040")
           .build();
   while (true) {
     ListPartitionsResponse response =
         metadataServiceClient.listPartitionsCallable().call(request);
     for (Partition element : response.getPartitionsList()) {
       // doThingsWith(element);
     }
     String nextPageToken = response.getNextPageToken();
     if (!Strings.isNullOrEmpty(nextPageToken)) {
       request = request.toBuilder().setPageToken(nextPageToken).build();
     } else {
       break;
     }
   }
 }
 

Returns

Type	Description
UnaryCallable<ListPartitionsRequest,ListPartitionsResponse>

listPartitionsPagedCallable()

public final UnaryCallable<ListPartitionsRequest,MetadataServiceClient.ListPartitionsPagedResponse> listPartitionsPagedCallable()

List metadata partitions of an entity.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   ListPartitionsRequest request =
       ListPartitionsRequest.newBuilder()
           .setParent(
               EntityName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[ZONE]", "[ENTITY]")
                   .toString())
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .setFilter("filter-1274492040")
           .build();
   ApiFuture<Partition> future =
       metadataServiceClient.listPartitionsPagedCallable().futureCall(request);
   // Do something.
   for (Partition element : future.get().iterateAll()) {
     // doThingsWith(element);
   }
 }
 

Returns

Type	Description
UnaryCallable<ListPartitionsRequest,ListPartitionsPagedResponse>

shutdown()

public void shutdown()

shutdownNow()

public void shutdownNow()

updateEntity(UpdateEntityRequest request)

public final Entity updateEntity(UpdateEntityRequest request)

Update a metadata entity. Only supports full resource update.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   UpdateEntityRequest request =
       UpdateEntityRequest.newBuilder()
           .setEntity(Entity.newBuilder().build())
           .setValidateOnly(true)
           .build();
   Entity response = metadataServiceClient.updateEntity(request);
 }
 

Parameter

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

Returns

Type	Description
Entity

updateEntityCallable()

public final UnaryCallable<UpdateEntityRequest,Entity> updateEntityCallable()

Update a metadata entity. Only supports full resource update.

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 (MetadataServiceClient metadataServiceClient = MetadataServiceClient.create()) {
   UpdateEntityRequest request =
       UpdateEntityRequest.newBuilder()
           .setEntity(Entity.newBuilder().build())
           .setValidateOnly(true)
           .build();
   ApiFuture<Entity> future = metadataServiceClient.updateEntityCallable().futureCall(request);
   // Do something.
   Entity response = future.get();
 }
 

Returns

Type	Description
UnaryCallable<UpdateEntityRequest,Entity>