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GitHub Repository | Product Reference |
Service Description: Service to parse structured information from unstructured or semi-structured documents using state-of-the-art Google AI such as natural language, computer vision, and translation.
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 (DocumentUnderstandingServiceClient documentUnderstandingServiceClient =
DocumentUnderstandingServiceClient.create()) {
ProcessDocumentRequest request =
ProcessDocumentRequest.newBuilder()
.setParent("parent-995424086")
.setInputConfig(InputConfig.newBuilder().build())
.setOutputConfig(OutputConfig.newBuilder().build())
.setDocumentType("documentType-1473196299")
.setTableExtractionParams(TableExtractionParams.newBuilder().build())
.setFormExtractionParams(FormExtractionParams.newBuilder().build())
.setEntityExtractionParams(EntityExtractionParams.newBuilder().build())
.setOcrParams(OcrParams.newBuilder().build())
.setAutomlParams(AutoMlParams.newBuilder().build())
.build();
Document response = documentUnderstandingServiceClient.processDocument(request);
}
Note: close() needs to be called on the DocumentUnderstandingServiceClient object to clean up resources such as threads. In the example above, try-with-resources is used, which automatically calls close().
Method | Description | Method Variants |
---|---|---|
BatchProcessDocuments |
LRO endpoint to batch process many documents. The output is written to Cloud Storage as JSON in the [Document] format. |
Request object method variants only take one parameter, a request object, which must be constructed before the call.
Callable method variants take no parameters and return an immutable API callable object, which can be used to initiate calls to the service.
|
ProcessDocument |
Processes a single document. |
Request object method variants only take one parameter, a request object, which must be constructed before the call.
Callable method variants take no parameters and return an immutable API callable object, which can be used to initiate calls to the service.
|
ListLocations |
Lists information about the supported locations for this service. |
Request object method variants only take one parameter, a request object, which must be constructed before the call.
Callable method variants take no parameters and return an immutable API callable object, which can be used to initiate calls to the service.
|
GetLocation |
Gets information about a location. |
Request object method variants only take one parameter, a request object, which must be constructed before the call.
Callable method variants take no parameters and return 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 DocumentUnderstandingServiceSettings 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
DocumentUnderstandingServiceSettings documentUnderstandingServiceSettings =
DocumentUnderstandingServiceSettings.newBuilder()
.setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
.build();
DocumentUnderstandingServiceClient documentUnderstandingServiceClient =
DocumentUnderstandingServiceClient.create(documentUnderstandingServiceSettings);
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
DocumentUnderstandingServiceSettings documentUnderstandingServiceSettings =
DocumentUnderstandingServiceSettings.newBuilder().setEndpoint(myEndpoint).build();
DocumentUnderstandingServiceClient documentUnderstandingServiceClient =
DocumentUnderstandingServiceClient.create(documentUnderstandingServiceSettings);
Please refer to the GitHub repository's samples for more quickstart code snippets.
Static Methods
create()
public static final DocumentUnderstandingServiceClient create()
Constructs an instance of DocumentUnderstandingServiceClient with default settings.
Returns | |
---|---|
Type | Description |
DocumentUnderstandingServiceClient |
Exceptions | |
---|---|
Type | Description |
IOException |
create(DocumentUnderstandingServiceSettings settings)
public static final DocumentUnderstandingServiceClient create(DocumentUnderstandingServiceSettings settings)
Constructs an instance of DocumentUnderstandingServiceClient, 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 |
DocumentUnderstandingServiceSettings |
Returns | |
---|---|
Type | Description |
DocumentUnderstandingServiceClient |
Exceptions | |
---|---|
Type | Description |
IOException |
create(DocumentUnderstandingServiceStub stub)
public static final DocumentUnderstandingServiceClient create(DocumentUnderstandingServiceStub stub)
Constructs an instance of DocumentUnderstandingServiceClient, using the given stub for making calls. This is for advanced usage - prefer using create(DocumentUnderstandingServiceSettings).
Parameter | |
---|---|
Name | Description |
stub |
DocumentUnderstandingServiceStub |
Returns | |
---|---|
Type | Description |
DocumentUnderstandingServiceClient |
Constructors
DocumentUnderstandingServiceClient(DocumentUnderstandingServiceSettings settings)
protected DocumentUnderstandingServiceClient(DocumentUnderstandingServiceSettings settings)
Constructs an instance of DocumentUnderstandingServiceClient, 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 |
DocumentUnderstandingServiceSettings |
DocumentUnderstandingServiceClient(DocumentUnderstandingServiceStub stub)
protected DocumentUnderstandingServiceClient(DocumentUnderstandingServiceStub stub)
Parameter | |
---|---|
Name | Description |
stub |
DocumentUnderstandingServiceStub |
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 |
batchProcessDocumentsAsync(BatchProcessDocumentsRequest request)
public final OperationFuture<BatchProcessDocumentsResponse,OperationMetadata> batchProcessDocumentsAsync(BatchProcessDocumentsRequest request)
LRO endpoint to batch process many documents. The output is written to Cloud Storage as JSON in the [Document] format.
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 (DocumentUnderstandingServiceClient documentUnderstandingServiceClient =
DocumentUnderstandingServiceClient.create()) {
BatchProcessDocumentsRequest request =
BatchProcessDocumentsRequest.newBuilder()
.addAllRequests(new ArrayList<ProcessDocumentRequest>())
.setParent("parent-995424086")
.build();
BatchProcessDocumentsResponse response =
documentUnderstandingServiceClient.batchProcessDocumentsAsync(request).get();
}
Parameter | |
---|---|
Name | Description |
request |
BatchProcessDocumentsRequest The request object containing all of the parameters for the API call. |
Returns | |
---|---|
Type | Description |
OperationFuture<BatchProcessDocumentsResponse,OperationMetadata> |
batchProcessDocumentsAsync(List<ProcessDocumentRequest> requests)
public final OperationFuture<BatchProcessDocumentsResponse,OperationMetadata> batchProcessDocumentsAsync(List<ProcessDocumentRequest> requests)
LRO endpoint to batch process many documents. The output is written to Cloud Storage as JSON in the [Document] format.
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 (DocumentUnderstandingServiceClient documentUnderstandingServiceClient =
DocumentUnderstandingServiceClient.create()) {
List<ProcessDocumentRequest> requests = new ArrayList<>();
BatchProcessDocumentsResponse response =
documentUnderstandingServiceClient.batchProcessDocumentsAsync(requests).get();
}
Parameter | |
---|---|
Name | Description |
requests |
List<ProcessDocumentRequest> Required. Individual requests for each document. |
Returns | |
---|---|
Type | Description |
OperationFuture<BatchProcessDocumentsResponse,OperationMetadata> |
batchProcessDocumentsCallable()
public final UnaryCallable<BatchProcessDocumentsRequest,Operation> batchProcessDocumentsCallable()
LRO endpoint to batch process many documents. The output is written to Cloud Storage as JSON in the [Document] format.
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 (DocumentUnderstandingServiceClient documentUnderstandingServiceClient =
DocumentUnderstandingServiceClient.create()) {
BatchProcessDocumentsRequest request =
BatchProcessDocumentsRequest.newBuilder()
.addAllRequests(new ArrayList<ProcessDocumentRequest>())
.setParent("parent-995424086")
.build();
ApiFuture<Operation> future =
documentUnderstandingServiceClient.batchProcessDocumentsCallable().futureCall(request);
// Do something.
Operation response = future.get();
}
Returns | |
---|---|
Type | Description |
UnaryCallable<BatchProcessDocumentsRequest,Operation> |
batchProcessDocumentsOperationCallable()
public final OperationCallable<BatchProcessDocumentsRequest,BatchProcessDocumentsResponse,OperationMetadata> batchProcessDocumentsOperationCallable()
LRO endpoint to batch process many documents. The output is written to Cloud Storage as JSON in the [Document] format.
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 (DocumentUnderstandingServiceClient documentUnderstandingServiceClient =
DocumentUnderstandingServiceClient.create()) {
BatchProcessDocumentsRequest request =
BatchProcessDocumentsRequest.newBuilder()
.addAllRequests(new ArrayList<ProcessDocumentRequest>())
.setParent("parent-995424086")
.build();
OperationFuture<BatchProcessDocumentsResponse, OperationMetadata> future =
documentUnderstandingServiceClient
.batchProcessDocumentsOperationCallable()
.futureCall(request);
// Do something.
BatchProcessDocumentsResponse response = future.get();
}
Returns | |
---|---|
Type | Description |
OperationCallable<BatchProcessDocumentsRequest,BatchProcessDocumentsResponse,OperationMetadata> |
close()
public final void close()
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 (DocumentUnderstandingServiceClient documentUnderstandingServiceClient =
DocumentUnderstandingServiceClient.create()) {
GetLocationRequest request = GetLocationRequest.newBuilder().setName("name3373707").build();
Location response = documentUnderstandingServiceClient.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 (DocumentUnderstandingServiceClient documentUnderstandingServiceClient =
DocumentUnderstandingServiceClient.create()) {
GetLocationRequest request = GetLocationRequest.newBuilder().setName("name3373707").build();
ApiFuture<Location> future =
documentUnderstandingServiceClient.getLocationCallable().futureCall(request);
// Do something.
Location response = future.get();
}
Returns | |
---|---|
Type | Description |
UnaryCallable<com.google.cloud.location.GetLocationRequest,com.google.cloud.location.Location> |
getOperationsClient()
public final OperationsClient getOperationsClient()
Returns the OperationsClient that can be used to query the status of a long-running operation returned by another API method call.
Returns | |
---|---|
Type | Description |
OperationsClient |
getSettings()
public final DocumentUnderstandingServiceSettings getSettings()
Returns | |
---|---|
Type | Description |
DocumentUnderstandingServiceSettings |
getStub()
public DocumentUnderstandingServiceStub getStub()
Returns | |
---|---|
Type | Description |
DocumentUnderstandingServiceStub |
isShutdown()
public boolean isShutdown()
Returns | |
---|---|
Type | Description |
boolean |
isTerminated()
public boolean isTerminated()
Returns | |
---|---|
Type | Description |
boolean |
listLocations(ListLocationsRequest request)
public final DocumentUnderstandingServiceClient.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 (DocumentUnderstandingServiceClient documentUnderstandingServiceClient =
DocumentUnderstandingServiceClient.create()) {
ListLocationsRequest request =
ListLocationsRequest.newBuilder()
.setName("name3373707")
.setFilter("filter-1274492040")
.setPageSize(883849137)
.setPageToken("pageToken873572522")
.build();
for (Location element :
documentUnderstandingServiceClient.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 |
DocumentUnderstandingServiceClient.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 (DocumentUnderstandingServiceClient documentUnderstandingServiceClient =
DocumentUnderstandingServiceClient.create()) {
ListLocationsRequest request =
ListLocationsRequest.newBuilder()
.setName("name3373707")
.setFilter("filter-1274492040")
.setPageSize(883849137)
.setPageToken("pageToken873572522")
.build();
while (true) {
ListLocationsResponse response =
documentUnderstandingServiceClient.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,DocumentUnderstandingServiceClient.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 (DocumentUnderstandingServiceClient documentUnderstandingServiceClient =
DocumentUnderstandingServiceClient.create()) {
ListLocationsRequest request =
ListLocationsRequest.newBuilder()
.setName("name3373707")
.setFilter("filter-1274492040")
.setPageSize(883849137)
.setPageToken("pageToken873572522")
.build();
ApiFuture<Location> future =
documentUnderstandingServiceClient.listLocationsPagedCallable().futureCall(request);
// Do something.
for (Location element : future.get().iterateAll()) {
// doThingsWith(element);
}
}
Returns | |
---|---|
Type | Description |
UnaryCallable<com.google.cloud.location.ListLocationsRequest,ListLocationsPagedResponse> |
processDocument(ProcessDocumentRequest request)
public final Document processDocument(ProcessDocumentRequest request)
Processes a single document.
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 (DocumentUnderstandingServiceClient documentUnderstandingServiceClient =
DocumentUnderstandingServiceClient.create()) {
ProcessDocumentRequest request =
ProcessDocumentRequest.newBuilder()
.setParent("parent-995424086")
.setInputConfig(InputConfig.newBuilder().build())
.setOutputConfig(OutputConfig.newBuilder().build())
.setDocumentType("documentType-1473196299")
.setTableExtractionParams(TableExtractionParams.newBuilder().build())
.setFormExtractionParams(FormExtractionParams.newBuilder().build())
.setEntityExtractionParams(EntityExtractionParams.newBuilder().build())
.setOcrParams(OcrParams.newBuilder().build())
.setAutomlParams(AutoMlParams.newBuilder().build())
.build();
Document response = documentUnderstandingServiceClient.processDocument(request);
}
Parameter | |
---|---|
Name | Description |
request |
ProcessDocumentRequest The request object containing all of the parameters for the API call. |
Returns | |
---|---|
Type | Description |
Document |
processDocumentCallable()
public final UnaryCallable<ProcessDocumentRequest,Document> processDocumentCallable()
Processes a single document.
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 (DocumentUnderstandingServiceClient documentUnderstandingServiceClient =
DocumentUnderstandingServiceClient.create()) {
ProcessDocumentRequest request =
ProcessDocumentRequest.newBuilder()
.setParent("parent-995424086")
.setInputConfig(InputConfig.newBuilder().build())
.setOutputConfig(OutputConfig.newBuilder().build())
.setDocumentType("documentType-1473196299")
.setTableExtractionParams(TableExtractionParams.newBuilder().build())
.setFormExtractionParams(FormExtractionParams.newBuilder().build())
.setEntityExtractionParams(EntityExtractionParams.newBuilder().build())
.setOcrParams(OcrParams.newBuilder().build())
.setAutomlParams(AutoMlParams.newBuilder().build())
.build();
ApiFuture<Document> future =
documentUnderstandingServiceClient.processDocumentCallable().futureCall(request);
// Do something.
Document response = future.get();
}
Returns | |
---|---|
Type | Description |
UnaryCallable<ProcessDocumentRequest,Document> |
shutdown()
public void shutdown()
shutdownNow()
public void shutdownNow()