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Package language is an auto-generated package for the Cloud Natural Language API.
Provides natural language understanding technologies, such as sentiment analysis, entity recognition, entity sentiment analysis, and other text annotations, to developers.
Use of Context
The ctx passed to NewClient is used for authentication requests and for creating the underlying connection, but is not used for subsequent calls. Individual methods on the client use the ctx given to them.
To close the open connection, use the Close() method.
For information about setting deadlines, reusing contexts, and more please visit pkg.go.dev/cloud.google.com/go.
Functions
func DefaultAuthScopes
func DefaultAuthScopes() []string
DefaultAuthScopes reports the default set of authentication scopes to use with this package.
CallOptions
type CallOptions struct {
AnalyzeSentiment []gax.CallOption
AnalyzeEntities []gax.CallOption
AnalyzeEntitySentiment []gax.CallOption
AnalyzeSyntax []gax.CallOption
ClassifyText []gax.CallOption
AnnotateText []gax.CallOption
}
CallOptions contains the retry settings for each method of Client.
Client
type Client struct {
// The call options for this service.
CallOptions *CallOptions
// contains filtered or unexported fields
}
Client is a client for interacting with Cloud Natural Language API.
Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
func NewClient
NewClient creates a new language service client.
Provides text analysis operations such as sentiment analysis and entity recognition.
Example
package main
import (
"context"
language "cloud.google.com/go/language/apiv1beta2"
)
func main() {
ctx := context.Background()
c, err := language.NewClient(ctx)
if err != nil {
// TODO: Handle error.
}
// TODO: Use client.
_ = c
}
func (*Client) AnalyzeEntities
func (c *Client) AnalyzeEntities(ctx context.Context, req *languagepb.AnalyzeEntitiesRequest, opts ...gax.CallOption) (*languagepb.AnalyzeEntitiesResponse, error)
AnalyzeEntities finds named entities (currently proper names and common nouns) in the text along with entity types, salience, mentions for each entity, and other properties.
Example
package main
import (
"context"
language "cloud.google.com/go/language/apiv1beta2"
languagepb "google.golang.org/genproto/googleapis/cloud/language/v1beta2"
)
func main() {
// import languagepb "google.golang.org/genproto/googleapis/cloud/language/v1beta2"
ctx := context.Background()
c, err := language.NewClient(ctx)
if err != nil {
// TODO: Handle error.
}
req := &languagepb.AnalyzeEntitiesRequest{
// TODO: Fill request struct fields.
}
resp, err := c.AnalyzeEntities(ctx, req)
if err != nil {
// TODO: Handle error.
}
// TODO: Use resp.
_ = resp
}
func (*Client) AnalyzeEntitySentiment
func (c *Client) AnalyzeEntitySentiment(ctx context.Context, req *languagepb.AnalyzeEntitySentimentRequest, opts ...gax.CallOption) (*languagepb.AnalyzeEntitySentimentResponse, error)
AnalyzeEntitySentiment finds entities, similar to AnalyzeEntities in the text and analyzes sentiment associated with each entity and its mentions.
Example
package main
import (
"context"
language "cloud.google.com/go/language/apiv1beta2"
languagepb "google.golang.org/genproto/googleapis/cloud/language/v1beta2"
)
func main() {
// import languagepb "google.golang.org/genproto/googleapis/cloud/language/v1beta2"
ctx := context.Background()
c, err := language.NewClient(ctx)
if err != nil {
// TODO: Handle error.
}
req := &languagepb.AnalyzeEntitySentimentRequest{
// TODO: Fill request struct fields.
}
resp, err := c.AnalyzeEntitySentiment(ctx, req)
if err != nil {
// TODO: Handle error.
}
// TODO: Use resp.
_ = resp
}
func (*Client) AnalyzeSentiment
func (c *Client) AnalyzeSentiment(ctx context.Context, req *languagepb.AnalyzeSentimentRequest, opts ...gax.CallOption) (*languagepb.AnalyzeSentimentResponse, error)
AnalyzeSentiment analyzes the sentiment of the provided text.
Example
package main
import (
"context"
language "cloud.google.com/go/language/apiv1beta2"
languagepb "google.golang.org/genproto/googleapis/cloud/language/v1beta2"
)
func main() {
// import languagepb "google.golang.org/genproto/googleapis/cloud/language/v1beta2"
ctx := context.Background()
c, err := language.NewClient(ctx)
if err != nil {
// TODO: Handle error.
}
req := &languagepb.AnalyzeSentimentRequest{
// TODO: Fill request struct fields.
}
resp, err := c.AnalyzeSentiment(ctx, req)
if err != nil {
// TODO: Handle error.
}
// TODO: Use resp.
_ = resp
}
func (*Client) AnalyzeSyntax
func (c *Client) AnalyzeSyntax(ctx context.Context, req *languagepb.AnalyzeSyntaxRequest, opts ...gax.CallOption) (*languagepb.AnalyzeSyntaxResponse, error)
AnalyzeSyntax analyzes the syntax of the text and provides sentence boundaries and tokenization along with part-of-speech tags, dependency trees, and other properties.
Example
package main
import (
"context"
language "cloud.google.com/go/language/apiv1beta2"
languagepb "google.golang.org/genproto/googleapis/cloud/language/v1beta2"
)
func main() {
// import languagepb "google.golang.org/genproto/googleapis/cloud/language/v1beta2"
ctx := context.Background()
c, err := language.NewClient(ctx)
if err != nil {
// TODO: Handle error.
}
req := &languagepb.AnalyzeSyntaxRequest{
// TODO: Fill request struct fields.
}
resp, err := c.AnalyzeSyntax(ctx, req)
if err != nil {
// TODO: Handle error.
}
// TODO: Use resp.
_ = resp
}
func (*Client) AnnotateText
func (c *Client) AnnotateText(ctx context.Context, req *languagepb.AnnotateTextRequest, opts ...gax.CallOption) (*languagepb.AnnotateTextResponse, error)
AnnotateText a convenience method that provides all syntax, sentiment, entity, and classification features in one call.
Example
package main
import (
"context"
language "cloud.google.com/go/language/apiv1beta2"
languagepb "google.golang.org/genproto/googleapis/cloud/language/v1beta2"
)
func main() {
// import languagepb "google.golang.org/genproto/googleapis/cloud/language/v1beta2"
ctx := context.Background()
c, err := language.NewClient(ctx)
if err != nil {
// TODO: Handle error.
}
req := &languagepb.AnnotateTextRequest{
// TODO: Fill request struct fields.
}
resp, err := c.AnnotateText(ctx, req)
if err != nil {
// TODO: Handle error.
}
// TODO: Use resp.
_ = resp
}
func (*Client) ClassifyText
func (c *Client) ClassifyText(ctx context.Context, req *languagepb.ClassifyTextRequest, opts ...gax.CallOption) (*languagepb.ClassifyTextResponse, error)
ClassifyText classifies a document into categories.
Example
package main
import (
"context"
language "cloud.google.com/go/language/apiv1beta2"
languagepb "google.golang.org/genproto/googleapis/cloud/language/v1beta2"
)
func main() {
// import languagepb "google.golang.org/genproto/googleapis/cloud/language/v1beta2"
ctx := context.Background()
c, err := language.NewClient(ctx)
if err != nil {
// TODO: Handle error.
}
req := &languagepb.ClassifyTextRequest{
// TODO: Fill request struct fields.
}
resp, err := c.ClassifyText(ctx, req)
if err != nil {
// TODO: Handle error.
}
// TODO: Use resp.
_ = resp
}
func (*Client) Close
Close closes the connection to the API service. The user should invoke this when the client is no longer required.
func (*Client) Connection
func (c *Client) Connection() *grpc.ClientConn
Connection returns a connection to the API service.
Deprecated.