Início rápido

Criar um esquema de documento e um documento

Mais informações

Para conferir a documentação detalhada que inclui este exemplo de código, consulte:

Exemplo de código

Java

Para mais informações, consulte a documentação de referência da API Java da Document AI Warehouse.

Para autenticar no Document AI Warehouse, configure o Application Default Credentials. Para mais informações, consulte Configurar a autenticação para um ambiente de desenvolvimento local. 

public class QuickStart {

  public static void main(String[] args)
      throws IOException, InterruptedException, ExecutionException, TimeoutException {
    // TODO(developer): Replace these variables before running the sample.
    String projectId = "your-project-id";
    String location = "your-region"; // Format is "us" or "eu".
    String userId = "your-user-id"; // Format is user:<user-id>
    quickStart(projectId, location, userId);
  }

  public static void quickStart(String projectId, String location, String userId)
      throws IOException, InterruptedException, ExecutionException, TimeoutException {
    String projectNumber = getProjectNumber(projectId);

    String endpoint = "contentwarehouse.googleapis.com:443";
    if (!"us".equals(location)) {
      endpoint = String.format("%s-%s", location, endpoint);
    }
    DocumentSchemaServiceSettings documentSchemaServiceSettings = 
         DocumentSchemaServiceSettings.newBuilder().setEndpoint(endpoint).build(); 

    // Create a Schema Service client
    try (DocumentSchemaServiceClient documentSchemaServiceClient =
        DocumentSchemaServiceClient.create(documentSchemaServiceSettings)) {
      /*  The full resource name of the location, e.g.:
      projects/{project_number}/locations/{location} */
      String parent = LocationName.format(projectNumber, location);

      /* Create Document Schema with Text Type Property Definition
       * More detail on managing Document Schemas: 
       * https://cloud.google.com/document-warehouse/docs/manage-document-schemas */
      DocumentSchema documentSchema = DocumentSchema.newBuilder()
          .setDisplayName("My Test Schema")
          .setDescription("My Test Schema's Description")
          .addPropertyDefinitions(
            PropertyDefinition.newBuilder()
              .setName("test_symbol")
              .setDisplayName("Searchable text")
              .setIsSearchable(true)
              .setTextTypeOptions(TextTypeOptions.newBuilder().build())
              .build()).build();

      // Define Document Schema request
      CreateDocumentSchemaRequest createDocumentSchemaRequest =
          CreateDocumentSchemaRequest.newBuilder()
            .setParent(parent)
            .setDocumentSchema(documentSchema).build();

      // Create Document Schema
      DocumentSchema documentSchemaResponse =
          documentSchemaServiceClient.createDocumentSchema(createDocumentSchemaRequest); 


      // Create Document Service Client Settings
      DocumentServiceSettings documentServiceSettings = 
          DocumentServiceSettings.newBuilder().setEndpoint(endpoint).build();

      // Create Document Service Client and Document with relevant properties 
      try (DocumentServiceClient documentServiceClient =
          DocumentServiceClient.create(documentServiceSettings)) {
        TextArray textArray = TextArray.newBuilder().addValues("Test").build();
        Document document = Document.newBuilder()
              .setDisplayName("My Test Document")
              .setDocumentSchemaName(documentSchemaResponse.getName())
              .setPlainText("This is a sample of a document's text.")
              .addProperties(
                Property.newBuilder()
                  .setName(documentSchema.getPropertyDefinitions(0).getName())
                  .setTextValues(textArray)).build();

        // Define Request Metadata for enforcing access control
        RequestMetadata requestMetadata = RequestMetadata.newBuilder()
            .setUserInfo(
            UserInfo.newBuilder()
              .setId(userId).build()).build();

        // Define Create Document Request 
        CreateDocumentRequest createDocumentRequest = CreateDocumentRequest.newBuilder()
            .setParent(parent)
            .setDocument(document)
            .setRequestMetadata(requestMetadata)
            .build();

        // Create Document
        CreateDocumentResponse createDocumentResponse =
            documentServiceClient.createDocument(createDocumentRequest);

        System.out.println(createDocumentResponse.getDocument().getName());
        System.out.println(documentSchemaResponse.getName());
      }
    }
  }

  private static String getProjectNumber(String projectId) throws IOException { 
    try (ProjectsClient projectsClient = ProjectsClient.create()) { 
      ProjectName projectName = ProjectName.of(projectId); 
      Project project = projectsClient.getProject(projectName);
      String projectNumber = project.getName(); // Format returned is projects/xxxxxx
      return projectNumber.substring(projectNumber.lastIndexOf("/") + 1);
    } 
  }
}

Node.js

Para mais informações, consulte a documentação de referência da API Node.js da Document AI Warehouse.

Para autenticar no Document AI Warehouse, configure o Application Default Credentials. Para mais informações, consulte Configurar a autenticação para um ambiente de desenvolvimento local. 

/**
 * TODO(developer): Uncomment these variables before running the sample.
 * const projectNumber = 'YOUR_PROJECT_NUMBER';
 * const location = 'YOUR_PROJECT_LOCATION'; // Format is 'us' or 'eu'
 * const userId = 'user:xxx@example.com'; // Format is "user:xxx@example.com"
 */

// Import from google cloud
const {DocumentSchemaServiceClient, DocumentServiceClient} =
  require('@google-cloud/contentwarehouse').v1;

const apiEndpoint =
  location === 'us'
    ? 'contentwarehouse.googleapis.com'
    : `${location}-contentwarehouse.googleapis.com`;

// Create service client
const schemaClient = new DocumentSchemaServiceClient({
  apiEndpoint: apiEndpoint,
});
const serviceClient = new DocumentServiceClient({apiEndpoint: apiEndpoint});

// Get Document Schema
async function quickstart() {
  // The full resource name of the location, e.g.:
  // projects/{project_number}/locations/{location}
  const parent = `projects/${projectNumber}/locations/${location}`;

  // Initialize request argument(s)
  const schemaRequest = {
    parent: parent,
    documentSchema: {
      displayName: 'My Test Schema',
      propertyDefinitions: [
        {
          name: 'testPropertyDefinitionName', // Must be unique within a document schema (case insensitive)
          displayName: 'searchable text',
          isSearchable: true,
          textTypeOptions: {},
        },
      ],
    },
  };

  // Create Document Schema
  const documentSchema =
    await schemaClient.createDocumentSchema(schemaRequest);

  const documentRequest = {
    parent: parent,
    document: {
      displayName: 'My Test Document',
      documentSchemaName: documentSchema[0].name,
      plainText: "This is a sample of a document's text.",
      properties: [
        {
          name: 'testPropertyDefinitionName',
          textValues: {values: ['GOOG']},
        },
      ],
    },
    requestMetadata: {userInfo: {id: userId}},
  };

  // Make Request
  const response = serviceClient.createDocument(documentRequest);

  // Print out response
  response.then(
    result => console.log(`Document Created: ${JSON.stringify(result)}`),
    error => console.log(`error: ${error}`)
  );
}

Python

Para mais informações, consulte a documentação de referência da API Python da Document AI Warehouse.

Para autenticar no Document AI Warehouse, configure o Application Default Credentials. Para mais informações, consulte Configurar a autenticação para um ambiente de desenvolvimento local. 


from google.cloud import contentwarehouse

# TODO(developer): Uncomment these variables before running the sample.
# project_number = 'YOUR_PROJECT_NUMBER'
# location = 'YOUR_PROJECT_LOCATION' # Format is 'us' or 'eu'
# user_id = "user:xxxx@example.com" # Format is "user:xxxx@example.com"


def quickstart(project_number: str, location: str, user_id: str) -> None:
    # Create a Schema Service client
    document_schema_client = contentwarehouse.DocumentSchemaServiceClient()

    # The full resource name of the location, e.g.:
    # projects/{project_number}/locations/{location}
    parent = document_schema_client.common_location_path(
        project=project_number, location=location
    )

    # Define Schema Property of Text Type
    property_definition = contentwarehouse.PropertyDefinition(
        name="stock_symbol",  # Must be unique within a document schema (case insensitive)
        display_name="Searchable text",
        is_searchable=True,
        text_type_options=contentwarehouse.TextTypeOptions(),
    )

    # Define Document Schema Request
    create_document_schema_request = contentwarehouse.CreateDocumentSchemaRequest(
        parent=parent,
        document_schema=contentwarehouse.DocumentSchema(
            display_name="My Test Schema",
            property_definitions=[property_definition],
        ),
    )

    # Create a Document schema
    document_schema = document_schema_client.create_document_schema(
        request=create_document_schema_request
    )

    # Create a Document Service client
    document_client = contentwarehouse.DocumentServiceClient()

    # The full resource name of the location, e.g.:
    # projects/{project_number}/locations/{location}
    parent = document_client.common_location_path(
        project=project_number, location=location
    )

    # Define Document Property Value
    document_property = contentwarehouse.Property(
        name=document_schema.property_definitions[0].name,
        text_values=contentwarehouse.TextArray(values=["GOOG"]),
    )

    # Define Document
    document = contentwarehouse.Document(
        display_name="My Test Document",
        document_schema_name=document_schema.name,
        plain_text="This is a sample of a document's text.",
        properties=[document_property],
    )

    # Define Request
    create_document_request = contentwarehouse.CreateDocumentRequest(
        parent=parent,
        document=document,
        request_metadata=contentwarehouse.RequestMetadata(
            user_info=contentwarehouse.UserInfo(id=user_id)
        ),
    )

    # Create a Document for the given schema
    response = document_client.create_document(request=create_document_request)

    # Read the output
    print(f"Rule Engine Output: {response.rule_engine_output}")
    print(f"Document Created: {response.document}")

A seguir

Para pesquisar e filtrar exemplos de código de outros Google Cloud produtos, consulte a Google Cloud pesquisa de exemplos de código.