com.google.cloud.discoveryengine.v1

Class RecommendationServiceClient

java.lang.Object

com.google.cloud.discoveryengine.v1.RecommendationServiceClient

All Implemented Interfaces:

com.google.api.gax.core.BackgroundResource, AutoCloseable

@Generated(value="by gapic-generator-java")
public class RecommendationServiceClient
extends Object
implements com.google.api.gax.core.BackgroundResource

Service Description: Service for making recommendations.

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 (RecommendationServiceClient recommendationServiceClient =
     RecommendationServiceClient.create()) {
   RecommendRequest request =
       RecommendRequest.newBuilder()
           .setServingConfig(
               ServingConfigName.ofProjectLocationDataStoreServingConfigName(
                       "[PROJECT]", "[LOCATION]", "[DATA_STORE]", "[SERVING_CONFIG]")
                   .toString())
           .setUserEvent(UserEvent.newBuilder().build())
           .setPageSize(883849137)
           .setFilter("filter-1274492040")
           .setValidateOnly(true)
           .putAllParams(new HashMap<String, Value>())
           .putAllUserLabels(new HashMap<String, String>())
           .build();
   RecommendResponse response = recommendationServiceClient.recommend(request);
 }
 

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

Methods

Method	Description	Method Variants
Recommend	Makes a recommendation, which requires a contextual user event.	Request object method variants only take one parameter, a request object, which must be constructed before the call. recommend(RecommendRequest request) Callable method variants take no parameters and return an immutable API callable object, which can be used to initiate calls to the service. recommendCallable()

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 RecommendationServiceSettings 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
 RecommendationServiceSettings recommendationServiceSettings =
     RecommendationServiceSettings.newBuilder()
         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
         .build();
 RecommendationServiceClient recommendationServiceClient =
     RecommendationServiceClient.create(recommendationServiceSettings);
 

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
 RecommendationServiceSettings recommendationServiceSettings =
     RecommendationServiceSettings.newBuilder().setEndpoint(myEndpoint).build();
 RecommendationServiceClient recommendationServiceClient =
     RecommendationServiceClient.create(recommendationServiceSettings);
 

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
 RecommendationServiceSettings recommendationServiceSettings =
     RecommendationServiceSettings.newHttpJsonBuilder().build();
 RecommendationServiceClient recommendationServiceClient =
     RecommendationServiceClient.create(recommendationServiceSettings);
 

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

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	RecommendationServiceClient(RecommendationServiceSettings settings) Constructs an instance of RecommendationServiceClient, using the given settings.
protected	RecommendationServiceClient(RecommendationServiceStub stub)

Method Summary

Modifier and Type	Method and Description
boolean	awaitTermination(long duration, TimeUnit unit)
void	close()
static RecommendationServiceClient	create() Constructs an instance of RecommendationServiceClient with default settings.
static RecommendationServiceClient	create(RecommendationServiceSettings settings) Constructs an instance of RecommendationServiceClient, using the given settings.
static RecommendationServiceClient	create(RecommendationServiceStub stub) Constructs an instance of RecommendationServiceClient, using the given stub for making calls.
RecommendationServiceSettings	getSettings()
RecommendationServiceStub	getStub()
boolean	isShutdown()
boolean	isTerminated()
RecommendResponse	recommend(RecommendRequest request) Makes a recommendation, which requires a contextual user event.
com.google.api.gax.rpc.UnaryCallable<RecommendRequest,RecommendResponse>	recommendCallable() Makes a recommendation, which requires a contextual user event.
void	shutdown()
void	shutdownNow()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RecommendationServiceClient

protected RecommendationServiceClient(RecommendationServiceSettings settings)
                               throws IOException

Constructs an instance of RecommendationServiceClient, 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.

Throws:

IOException

RecommendationServiceClient

protected RecommendationServiceClient(RecommendationServiceStub stub)

Method Detail

create

public static final RecommendationServiceClient create()
                                                throws IOException

Constructs an instance of RecommendationServiceClient with default settings.

Throws:

IOException

create

public static final RecommendationServiceClient create(RecommendationServiceSettings settings)
                                                throws IOException

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

Throws:

IOException

create

public static final RecommendationServiceClient create(RecommendationServiceStub stub)

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

getSettings

public final RecommendationServiceSettings getSettings()

getStub

public RecommendationServiceStub getStub()

recommend

public final RecommendResponse recommend(RecommendRequest request)

Makes a recommendation, which requires a contextual user event.

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 (RecommendationServiceClient recommendationServiceClient =
     RecommendationServiceClient.create()) {
   RecommendRequest request =
       RecommendRequest.newBuilder()
           .setServingConfig(
               ServingConfigName.ofProjectLocationDataStoreServingConfigName(
                       "[PROJECT]", "[LOCATION]", "[DATA_STORE]", "[SERVING_CONFIG]")
                   .toString())
           .setUserEvent(UserEvent.newBuilder().build())
           .setPageSize(883849137)
           .setFilter("filter-1274492040")
           .setValidateOnly(true)
           .putAllParams(new HashMap<String, Value>())
           .putAllUserLabels(new HashMap<String, String>())
           .build();
   RecommendResponse response = recommendationServiceClient.recommend(request);
 }
 

Parameters:

request - The request object containing all of the parameters for the API call.

Throws:

com.google.api.gax.rpc.ApiException - if the remote call fails

recommendCallable

public final com.google.api.gax.rpc.UnaryCallable<RecommendRequest,RecommendResponse> recommendCallable()

Makes a recommendation, which requires a contextual user event.

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 (RecommendationServiceClient recommendationServiceClient =
     RecommendationServiceClient.create()) {
   RecommendRequest request =
       RecommendRequest.newBuilder()
           .setServingConfig(
               ServingConfigName.ofProjectLocationDataStoreServingConfigName(
                       "[PROJECT]", "[LOCATION]", "[DATA_STORE]", "[SERVING_CONFIG]")
                   .toString())
           .setUserEvent(UserEvent.newBuilder().build())
           .setPageSize(883849137)
           .setFilter("filter-1274492040")
           .setValidateOnly(true)
           .putAllParams(new HashMap<String, Value>())
           .putAllUserLabels(new HashMap<String, String>())
           .build();
   ApiFuture<RecommendResponse> future =
       recommendationServiceClient.recommendCallable().futureCall(request);
   // Do something.
   RecommendResponse response = future.get();
 }
 

close

public final void close()

Specified by:

close in interface AutoCloseable

shutdown

public void shutdown()

Specified by:

shutdown in interface com.google.api.gax.core.BackgroundResource

isShutdown

public boolean isShutdown()

Specified by:

isShutdown in interface com.google.api.gax.core.BackgroundResource

isTerminated

public boolean isTerminated()

Specified by:

isTerminated in interface com.google.api.gax.core.BackgroundResource

shutdownNow

public void shutdownNow()

Specified by:

shutdownNow in interface com.google.api.gax.core.BackgroundResource

awaitTermination

public boolean awaitTermination(long duration,
                                TimeUnit unit)
                         throws InterruptedException

Specified by:

awaitTermination in interface com.google.api.gax.core.BackgroundResource

Throws:

InterruptedException