Class SessionsClient (0.14.2)

Version 0.14.2

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public class SessionsClient implements BackgroundResource

Service Description: A session represents an interaction with a user. You retrieve user input and pass it to the DetectIntent method to determine user intent and respond.

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 for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (SessionsClient sessionsClient = SessionsClient.create()) {
   DetectIntentRequest request =
       DetectIntentRequest.newBuilder()
           .setSession(
               SessionName.ofProjectLocationAgentSessionName(
                       "[PROJECT]", "[LOCATION]", "[AGENT]", "[SESSION]")
                   .toString())
           .setQueryParams(QueryParameters.newBuilder().build())
           .setQueryInput(QueryInput.newBuilder().build())
           .setOutputAudioConfig(OutputAudioConfig.newBuilder().build())
           .build();
   DetectIntentResponse response = sessionsClient.detectIntent(request);
 }
 

Note: close() needs to be called on the SessionsClient 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 SessionsSettings to create(). For example:

To customize credentials:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 SessionsSettings sessionsSettings =
     SessionsSettings.newBuilder()
         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
         .build();
 SessionsClient sessionsClient = SessionsClient.create(sessionsSettings);
 

To customize the endpoint:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 SessionsSettings sessionsSettings =
     SessionsSettings.newBuilder().setEndpoint(myEndpoint).build();
 SessionsClient sessionsClient = SessionsClient.create(sessionsSettings);
 

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

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 SessionsSettings sessionsSettings =
     SessionsSettings.newBuilder()
         .setTransportChannelProvider(
             SessionsSettings.defaultHttpJsonTransportProviderBuilder().build())
         .build();
 SessionsClient sessionsClient = SessionsClient.create(sessionsSettings);
 

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

Inheritance

java.lang.Object > SessionsClient

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 SessionsClient create()

Constructs an instance of SessionsClient with default settings.

Returns

Type	Description
SessionsClient

Exceptions

Type	Description
IOException

create(SessionsSettings settings)

public static final SessionsClient create(SessionsSettings settings)

Constructs an instance of SessionsClient, 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	SessionsSettings

Returns

Type	Description
SessionsClient

Exceptions

Type	Description
IOException

create(SessionsStub stub)

public static final SessionsClient create(SessionsStub stub)

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

Parameter

Name	Description
stub	SessionsStub

Returns

Type	Description
SessionsClient

Constructors

SessionsClient(SessionsSettings settings)

protected SessionsClient(SessionsSettings settings)

Constructs an instance of SessionsClient, 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	SessionsSettings

SessionsClient(SessionsStub stub)

protected SessionsClient(SessionsStub stub)

Parameter

Name	Description
stub	SessionsStub

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()

detectIntent(DetectIntentRequest request)

public final DetectIntentResponse detectIntent(DetectIntentRequest request)

Processes a natural language query and returns structured, actionable data as a result. This method is not idempotent, because it may cause session entity types to be updated, which in turn might affect results of future queries.

Note: Always use agent versions for production traffic. See Versions and environments.

Sample code:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (SessionsClient sessionsClient = SessionsClient.create()) {
   DetectIntentRequest request =
       DetectIntentRequest.newBuilder()
           .setSession(
               SessionName.ofProjectLocationAgentSessionName(
                       "[PROJECT]", "[LOCATION]", "[AGENT]", "[SESSION]")
                   .toString())
           .setQueryParams(QueryParameters.newBuilder().build())
           .setQueryInput(QueryInput.newBuilder().build())
           .setOutputAudioConfig(OutputAudioConfig.newBuilder().build())
           .build();
   DetectIntentResponse response = sessionsClient.detectIntent(request);
 }
 

Parameter

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

Returns

Type	Description
DetectIntentResponse

detectIntentCallable()

public final UnaryCallable<DetectIntentRequest,DetectIntentResponse> detectIntentCallable()

Processes a natural language query and returns structured, actionable data as a result. This method is not idempotent, because it may cause session entity types to be updated, which in turn might affect results of future queries.

Note: Always use agent versions for production traffic. See Versions and environments.

Sample code:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (SessionsClient sessionsClient = SessionsClient.create()) {
   DetectIntentRequest request =
       DetectIntentRequest.newBuilder()
           .setSession(
               SessionName.ofProjectLocationAgentSessionName(
                       "[PROJECT]", "[LOCATION]", "[AGENT]", "[SESSION]")
                   .toString())
           .setQueryParams(QueryParameters.newBuilder().build())
           .setQueryInput(QueryInput.newBuilder().build())
           .setOutputAudioConfig(OutputAudioConfig.newBuilder().build())
           .build();
   ApiFuture<DetectIntentResponse> future =
       sessionsClient.detectIntentCallable().futureCall(request);
   // Do something.
   DetectIntentResponse response = future.get();
 }
 

Returns

Type	Description
UnaryCallable<DetectIntentRequest,DetectIntentResponse>

fulfillIntent(FulfillIntentRequest request)

public final FulfillIntentResponse fulfillIntent(FulfillIntentRequest request)

Fulfills a matched intent returned by MatchIntent. Must be called after MatchIntent, with input from MatchIntentResponse. Otherwise, the behavior is undefined.

Sample code:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (SessionsClient sessionsClient = SessionsClient.create()) {
   FulfillIntentRequest request =
       FulfillIntentRequest.newBuilder()
           .setMatchIntentRequest(MatchIntentRequest.newBuilder().build())
           .setMatch(Match.newBuilder().build())
           .setOutputAudioConfig(OutputAudioConfig.newBuilder().build())
           .build();
   FulfillIntentResponse response = sessionsClient.fulfillIntent(request);
 }
 

Parameter

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

Returns

Type	Description
FulfillIntentResponse

fulfillIntentCallable()

public final UnaryCallable<FulfillIntentRequest,FulfillIntentResponse> fulfillIntentCallable()

Fulfills a matched intent returned by MatchIntent. Must be called after MatchIntent, with input from MatchIntentResponse. Otherwise, the behavior is undefined.

Sample code:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (SessionsClient sessionsClient = SessionsClient.create()) {
   FulfillIntentRequest request =
       FulfillIntentRequest.newBuilder()
           .setMatchIntentRequest(MatchIntentRequest.newBuilder().build())
           .setMatch(Match.newBuilder().build())
           .setOutputAudioConfig(OutputAudioConfig.newBuilder().build())
           .build();
   ApiFuture<FulfillIntentResponse> future =
       sessionsClient.fulfillIntentCallable().futureCall(request);
   // Do something.
   FulfillIntentResponse response = future.get();
 }
 

Returns

Type	Description
UnaryCallable<FulfillIntentRequest,FulfillIntentResponse>

getLocation(GetLocationRequest request)

public final Location getLocation(GetLocationRequest request)

Gets information about a location.

Sample code:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (SessionsClient sessionsClient = SessionsClient.create()) {
   GetLocationRequest request = GetLocationRequest.newBuilder().setName("name3373707").build();
   Location response = sessionsClient.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 for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (SessionsClient sessionsClient = SessionsClient.create()) {
   GetLocationRequest request = GetLocationRequest.newBuilder().setName("name3373707").build();
   ApiFuture<Location> future = sessionsClient.getLocationCallable().futureCall(request);
   // Do something.
   Location response = future.get();
 }
 

Returns

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

getSettings()

public final SessionsSettings getSettings()

Returns

Type	Description
SessionsSettings

getStub()

public SessionsStub getStub()

Returns

Type	Description
SessionsStub

isShutdown()

public boolean isShutdown()

Returns

Type	Description
boolean

isTerminated()

public boolean isTerminated()

Returns

Type	Description
boolean

listLocations(ListLocationsRequest request)

public final SessionsClient.ListLocationsPagedResponse listLocations(ListLocationsRequest request)

Lists information about the supported locations for this service.

Sample code:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (SessionsClient sessionsClient = SessionsClient.create()) {
   ListLocationsRequest request =
       ListLocationsRequest.newBuilder()
           .setName("name3373707")
           .setFilter("filter-1274492040")
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .build();
   for (Location element : sessionsClient.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
SessionsClient.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 for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (SessionsClient sessionsClient = SessionsClient.create()) {
   ListLocationsRequest request =
       ListLocationsRequest.newBuilder()
           .setName("name3373707")
           .setFilter("filter-1274492040")
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .build();
   while (true) {
     ListLocationsResponse response = sessionsClient.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,SessionsClient.ListLocationsPagedResponse> listLocationsPagedCallable()

Lists information about the supported locations for this service.

Sample code:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (SessionsClient sessionsClient = SessionsClient.create()) {
   ListLocationsRequest request =
       ListLocationsRequest.newBuilder()
           .setName("name3373707")
           .setFilter("filter-1274492040")
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .build();
   ApiFuture<Location> future = sessionsClient.listLocationsPagedCallable().futureCall(request);
   // Do something.
   for (Location element : future.get().iterateAll()) {
     // doThingsWith(element);
   }
 }
 

Returns

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

matchIntent(MatchIntentRequest request)

public final MatchIntentResponse matchIntent(MatchIntentRequest request)

Returns preliminary intent match results, doesn't change the session status.

Sample code:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (SessionsClient sessionsClient = SessionsClient.create()) {
   MatchIntentRequest request =
       MatchIntentRequest.newBuilder()
           .setSession(
               SessionName.ofProjectLocationAgentSessionName(
                       "[PROJECT]", "[LOCATION]", "[AGENT]", "[SESSION]")
                   .toString())
           .setQueryParams(QueryParameters.newBuilder().build())
           .setQueryInput(QueryInput.newBuilder().build())
           .build();
   MatchIntentResponse response = sessionsClient.matchIntent(request);
 }
 

Parameter

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

Returns

Type	Description
MatchIntentResponse

matchIntentCallable()

public final UnaryCallable<MatchIntentRequest,MatchIntentResponse> matchIntentCallable()

Returns preliminary intent match results, doesn't change the session status.

Sample code:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (SessionsClient sessionsClient = SessionsClient.create()) {
   MatchIntentRequest request =
       MatchIntentRequest.newBuilder()
           .setSession(
               SessionName.ofProjectLocationAgentSessionName(
                       "[PROJECT]", "[LOCATION]", "[AGENT]", "[SESSION]")
                   .toString())
           .setQueryParams(QueryParameters.newBuilder().build())
           .setQueryInput(QueryInput.newBuilder().build())
           .build();
   ApiFuture<MatchIntentResponse> future =
       sessionsClient.matchIntentCallable().futureCall(request);
   // Do something.
   MatchIntentResponse response = future.get();
 }
 

Returns

Type	Description
UnaryCallable<MatchIntentRequest,MatchIntentResponse>

shutdown()

public void shutdown()

shutdownNow()

public void shutdownNow()

streamingDetectIntentCallable()

public final BidiStreamingCallable<StreamingDetectIntentRequest,StreamingDetectIntentResponse> streamingDetectIntentCallable()

Processes a natural language query in audio format in a streaming fashion and returns structured, actionable data as a result. This method is only available via the gRPC API (not REST).

Note: Always use agent versions for production traffic. See Versions and environments.

Sample code:

 // This snippet has been automatically generated for illustrative purposes only.
 // It may require modifications to work in your environment.
 try (SessionsClient sessionsClient = SessionsClient.create()) {
   BidiStream<StreamingDetectIntentRequest, StreamingDetectIntentResponse> bidiStream =
       sessionsClient.streamingDetectIntentCallable().call();
   StreamingDetectIntentRequest request =
       StreamingDetectIntentRequest.newBuilder()
           .setSession(
               SessionName.ofProjectLocationAgentSessionName(
                       "[PROJECT]", "[LOCATION]", "[AGENT]", "[SESSION]")
                   .toString())
           .setQueryParams(QueryParameters.newBuilder().build())
           .setQueryInput(QueryInput.newBuilder().build())
           .setOutputAudioConfig(OutputAudioConfig.newBuilder().build())
           .setEnablePartialResponse(true)
           .build();
   bidiStream.send(request);
   for (StreamingDetectIntentResponse response : bidiStream) {
     // Do something when a response is received.
   }
 }
 

Returns

Type	Description
BidiStreamingCallable<StreamingDetectIntentRequest,StreamingDetectIntentResponse>