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prediction_client.go
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prediction_client.go
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// Copyright 2021 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Code generated by protoc-gen-go_gapic. DO NOT EDIT.
package aiplatform
import (
"context"
"fmt"
"math"
"net/url"
gax "github.com/googleapis/gax-go/v2"
"google.golang.org/api/option"
"google.golang.org/api/option/internaloption"
gtransport "google.golang.org/api/transport/grpc"
httpbodypb "google.golang.org/genproto/googleapis/api/httpbody"
aiplatformpb "google.golang.org/genproto/googleapis/cloud/aiplatform/v1"
"google.golang.org/grpc"
"google.golang.org/grpc/metadata"
)
var newPredictionClientHook clientHook
// PredictionCallOptions contains the retry settings for each method of PredictionClient.
type PredictionCallOptions struct {
Predict []gax.CallOption
RawPredict []gax.CallOption
Explain []gax.CallOption
}
func defaultPredictionGRPCClientOptions() []option.ClientOption {
return []option.ClientOption{
internaloption.WithDefaultEndpoint("aiplatform.googleapis.com:443"),
internaloption.WithDefaultMTLSEndpoint("aiplatform.mtls.googleapis.com:443"),
internaloption.WithDefaultAudience("https://aiplatform.googleapis.com/"),
internaloption.WithDefaultScopes(DefaultAuthScopes()...),
internaloption.EnableJwtWithScope(),
option.WithGRPCDialOption(grpc.WithDisableServiceConfig()),
option.WithGRPCDialOption(grpc.WithDefaultCallOptions(
grpc.MaxCallRecvMsgSize(math.MaxInt32))),
}
}
func defaultPredictionCallOptions() *PredictionCallOptions {
return &PredictionCallOptions{
Predict: []gax.CallOption{},
RawPredict: []gax.CallOption{},
Explain: []gax.CallOption{},
}
}
// internalPredictionClient is an interface that defines the methods availaible from Vertex AI API.
type internalPredictionClient interface {
Close() error
setGoogleClientInfo(...string)
Connection() *grpc.ClientConn
Predict(context.Context, *aiplatformpb.PredictRequest, ...gax.CallOption) (*aiplatformpb.PredictResponse, error)
RawPredict(context.Context, *aiplatformpb.RawPredictRequest, ...gax.CallOption) (*httpbodypb.HttpBody, error)
Explain(context.Context, *aiplatformpb.ExplainRequest, ...gax.CallOption) (*aiplatformpb.ExplainResponse, error)
}
// PredictionClient is a client for interacting with Vertex AI API.
// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
//
// A service for online predictions and explanations.
type PredictionClient struct {
// The internal transport-dependent client.
internalClient internalPredictionClient
// The call options for this service.
CallOptions *PredictionCallOptions
}
// Wrapper methods routed to the internal client.
// Close closes the connection to the API service. The user should invoke this when
// the client is no longer required.
func (c *PredictionClient) Close() error {
return c.internalClient.Close()
}
// setGoogleClientInfo sets the name and version of the application in
// the `x-goog-api-client` header passed on each request. Intended for
// use by Google-written clients.
func (c *PredictionClient) setGoogleClientInfo(keyval ...string) {
c.internalClient.setGoogleClientInfo(keyval...)
}
// Connection returns a connection to the API service.
//
// Deprecated.
func (c *PredictionClient) Connection() *grpc.ClientConn {
return c.internalClient.Connection()
}
// Predict perform an online prediction.
func (c *PredictionClient) Predict(ctx context.Context, req *aiplatformpb.PredictRequest, opts ...gax.CallOption) (*aiplatformpb.PredictResponse, error) {
return c.internalClient.Predict(ctx, req, opts...)
}
// RawPredict perform an online prediction with an arbitrary HTTP payload.
//
// The response includes the following HTTP headers:
//
// X-Vertex-AI-Endpoint-Id: ID of the Endpoint that served this
// prediction.
//
// X-Vertex-AI-Deployed-Model-Id: ID of the Endpoint’s DeployedModel
// that served this prediction.
func (c *PredictionClient) RawPredict(ctx context.Context, req *aiplatformpb.RawPredictRequest, opts ...gax.CallOption) (*httpbodypb.HttpBody, error) {
return c.internalClient.RawPredict(ctx, req, opts...)
}
// Explain perform an online explanation.
//
// If deployed_model_id is specified,
// the corresponding DeployModel must have
// explanation_spec
// populated. If deployed_model_id
// is not specified, all DeployedModels must have
// explanation_spec
// populated. Only deployed AutoML tabular Models have
// explanation_spec.
func (c *PredictionClient) Explain(ctx context.Context, req *aiplatformpb.ExplainRequest, opts ...gax.CallOption) (*aiplatformpb.ExplainResponse, error) {
return c.internalClient.Explain(ctx, req, opts...)
}
// predictionGRPCClient is a client for interacting with Vertex AI API over gRPC transport.
//
// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
type predictionGRPCClient struct {
// Connection pool of gRPC connections to the service.
connPool gtransport.ConnPool
// flag to opt out of default deadlines via GOOGLE_API_GO_EXPERIMENTAL_DISABLE_DEFAULT_DEADLINE
disableDeadlines bool
// Points back to the CallOptions field of the containing PredictionClient
CallOptions **PredictionCallOptions
// The gRPC API client.
predictionClient aiplatformpb.PredictionServiceClient
// The x-goog-* metadata to be sent with each request.
xGoogMetadata metadata.MD
}
// NewPredictionClient creates a new prediction service client based on gRPC.
// The returned client must be Closed when it is done being used to clean up its underlying connections.
//
// A service for online predictions and explanations.
func NewPredictionClient(ctx context.Context, opts ...option.ClientOption) (*PredictionClient, error) {
clientOpts := defaultPredictionGRPCClientOptions()
if newPredictionClientHook != nil {
hookOpts, err := newPredictionClientHook(ctx, clientHookParams{})
if err != nil {
return nil, err
}
clientOpts = append(clientOpts, hookOpts...)
}
disableDeadlines, err := checkDisableDeadlines()
if err != nil {
return nil, err
}
connPool, err := gtransport.DialPool(ctx, append(clientOpts, opts...)...)
if err != nil {
return nil, err
}
client := PredictionClient{CallOptions: defaultPredictionCallOptions()}
c := &predictionGRPCClient{
connPool: connPool,
disableDeadlines: disableDeadlines,
predictionClient: aiplatformpb.NewPredictionServiceClient(connPool),
CallOptions: &client.CallOptions,
}
c.setGoogleClientInfo()
client.internalClient = c
return &client, nil
}
// Connection returns a connection to the API service.
//
// Deprecated.
func (c *predictionGRPCClient) Connection() *grpc.ClientConn {
return c.connPool.Conn()
}
// setGoogleClientInfo sets the name and version of the application in
// the `x-goog-api-client` header passed on each request. Intended for
// use by Google-written clients.
func (c *predictionGRPCClient) setGoogleClientInfo(keyval ...string) {
kv := append([]string{"gl-go", versionGo()}, keyval...)
kv = append(kv, "gapic", versionClient, "gax", gax.Version, "grpc", grpc.Version)
c.xGoogMetadata = metadata.Pairs("x-goog-api-client", gax.XGoogHeader(kv...))
}
// Close closes the connection to the API service. The user should invoke this when
// the client is no longer required.
func (c *predictionGRPCClient) Close() error {
return c.connPool.Close()
}
func (c *predictionGRPCClient) Predict(ctx context.Context, req *aiplatformpb.PredictRequest, opts ...gax.CallOption) (*aiplatformpb.PredictResponse, error) {
md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "endpoint", url.QueryEscape(req.GetEndpoint())))
ctx = insertMetadata(ctx, c.xGoogMetadata, md)
opts = append((*c.CallOptions).Predict[0:len((*c.CallOptions).Predict):len((*c.CallOptions).Predict)], opts...)
var resp *aiplatformpb.PredictResponse
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.predictionClient.Predict(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
func (c *predictionGRPCClient) RawPredict(ctx context.Context, req *aiplatformpb.RawPredictRequest, opts ...gax.CallOption) (*httpbodypb.HttpBody, error) {
md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "endpoint", url.QueryEscape(req.GetEndpoint())))
ctx = insertMetadata(ctx, c.xGoogMetadata, md)
opts = append((*c.CallOptions).RawPredict[0:len((*c.CallOptions).RawPredict):len((*c.CallOptions).RawPredict)], opts...)
var resp *httpbodypb.HttpBody
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.predictionClient.RawPredict(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
func (c *predictionGRPCClient) Explain(ctx context.Context, req *aiplatformpb.ExplainRequest, opts ...gax.CallOption) (*aiplatformpb.ExplainResponse, error) {
md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "endpoint", url.QueryEscape(req.GetEndpoint())))
ctx = insertMetadata(ctx, c.xGoogMetadata, md)
opts = append((*c.CallOptions).Explain[0:len((*c.CallOptions).Explain):len((*c.CallOptions).Explain)], opts...)
var resp *aiplatformpb.ExplainResponse
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.predictionClient.Explain(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}