2017-10-22 10:07:36 +02:00
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// Copyright 2017, Google Inc. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// AUTO-GENERATED CODE. DO NOT EDIT.
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package firestore
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import (
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"math"
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"time"
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"cloud.google.com/go/internal/version"
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gax "github.com/googleapis/gax-go"
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"golang.org/x/net/context"
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"google.golang.org/api/iterator"
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"google.golang.org/api/option"
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"google.golang.org/api/transport"
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firestorepb "google.golang.org/genproto/googleapis/firestore/v1beta1"
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"google.golang.org/grpc"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/metadata"
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)
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// CallOptions contains the retry settings for each method of Client.
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type CallOptions struct {
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GetDocument []gax.CallOption
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ListDocuments []gax.CallOption
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CreateDocument []gax.CallOption
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UpdateDocument []gax.CallOption
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DeleteDocument []gax.CallOption
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BatchGetDocuments []gax.CallOption
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BeginTransaction []gax.CallOption
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Commit []gax.CallOption
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Rollback []gax.CallOption
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RunQuery []gax.CallOption
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Write []gax.CallOption
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Listen []gax.CallOption
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ListCollectionIds []gax.CallOption
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}
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func defaultClientOptions() []option.ClientOption {
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return []option.ClientOption{
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option.WithEndpoint("firestore.googleapis.com:443"),
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option.WithScopes(DefaultAuthScopes()...),
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}
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}
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func defaultCallOptions() *CallOptions {
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retry := map[[2]string][]gax.CallOption{
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{"default", "idempotent"}: {
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gax.WithRetry(func() gax.Retryer {
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return gax.OnCodes([]codes.Code{
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codes.DeadlineExceeded,
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codes.Unavailable,
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}, gax.Backoff{
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Initial: 100 * time.Millisecond,
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Max: 60000 * time.Millisecond,
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Multiplier: 1.3,
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})
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}),
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},
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{"streaming", "idempotent"}: {
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gax.WithRetry(func() gax.Retryer {
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return gax.OnCodes([]codes.Code{
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codes.DeadlineExceeded,
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codes.Unavailable,
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}, gax.Backoff{
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Initial: 100 * time.Millisecond,
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Max: 60000 * time.Millisecond,
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Multiplier: 1.3,
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})
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}),
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},
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}
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return &CallOptions{
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GetDocument: retry[[2]string{"default", "idempotent"}],
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ListDocuments: retry[[2]string{"default", "idempotent"}],
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CreateDocument: retry[[2]string{"default", "non_idempotent"}],
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UpdateDocument: retry[[2]string{"default", "non_idempotent"}],
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DeleteDocument: retry[[2]string{"default", "idempotent"}],
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BatchGetDocuments: retry[[2]string{"streaming", "idempotent"}],
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BeginTransaction: retry[[2]string{"default", "idempotent"}],
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Commit: retry[[2]string{"default", "non_idempotent"}],
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Rollback: retry[[2]string{"default", "idempotent"}],
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RunQuery: retry[[2]string{"default", "idempotent"}],
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Write: retry[[2]string{"streaming", "non_idempotent"}],
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Listen: retry[[2]string{"streaming", "idempotent"}],
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ListCollectionIds: retry[[2]string{"default", "idempotent"}],
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}
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}
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// Client is a client for interacting with Google Cloud Firestore API.
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type Client struct {
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// The connection to the service.
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conn *grpc.ClientConn
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// The gRPC API client.
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client firestorepb.FirestoreClient
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// The call options for this service.
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CallOptions *CallOptions
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// The metadata to be sent with each request.
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Metadata metadata.MD
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}
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// NewClient creates a new firestore client.
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//
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// The Cloud Firestore service.
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//
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// This service exposes several types of comparable timestamps:
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//
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// create_time - The time at which a document was created. Changes only
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// when a document is deleted, then re-created. Increases in a strict
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// monotonic fashion.
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//
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// update_time - The time at which a document was last updated. Changes
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// every time a document is modified. Does not change when a write results
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// in no modifications. Increases in a strict monotonic fashion.
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//
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// read_time - The time at which a particular state was observed. Used
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// to denote a consistent snapshot of the database or the time at which a
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// Document was observed to not exist.
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//
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// commit_time - The time at which the writes in a transaction were
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// committed. Any read with an equal or greater read_time is guaranteed
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// to see the effects of the transaction.
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func NewClient(ctx context.Context, opts ...option.ClientOption) (*Client, error) {
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conn, err := transport.DialGRPC(ctx, append(defaultClientOptions(), opts...)...)
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if err != nil {
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return nil, err
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}
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c := &Client{
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conn: conn,
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CallOptions: defaultCallOptions(),
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client: firestorepb.NewFirestoreClient(conn),
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}
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c.SetGoogleClientInfo()
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return c, nil
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}
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// Connection returns the client's connection to the API service.
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func (c *Client) Connection() *grpc.ClientConn {
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return c.conn
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}
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// Close closes the connection to the API service. The user should invoke this when
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// the client is no longer required.
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func (c *Client) Close() error {
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return c.conn.Close()
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}
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// SetGoogleClientInfo sets the name and version of the application in
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// the `x-goog-api-client` header passed on each request. Intended for
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// use by Google-written clients.
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func (c *Client) SetGoogleClientInfo(keyval ...string) {
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kv := append([]string{"gl-go", version.Go()}, keyval...)
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kv = append(kv, "gapic", version.Repo, "gax", gax.Version, "grpc", grpc.Version)
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c.Metadata = metadata.Pairs("x-goog-api-client", gax.XGoogHeader(kv...))
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}
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// DatabaseRootPath returns the path for the database root resource.
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func DatabaseRootPath(project, database string) string {
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return "" +
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"projects/" +
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project +
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"/databases/" +
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database +
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""
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}
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// DocumentRootPath returns the path for the document root resource.
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func DocumentRootPath(project, database string) string {
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return "" +
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"projects/" +
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project +
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"/databases/" +
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database +
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"/documents" +
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""
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}
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// DocumentPathPath returns the path for the document path resource.
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func DocumentPathPath(project, database, documentPath string) string {
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return "" +
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"projects/" +
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project +
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"/databases/" +
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database +
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"/documents/" +
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documentPath +
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""
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}
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// AnyPathPath returns the path for the any path resource.
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func AnyPathPath(project, database, document, anyPath string) string {
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return "" +
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"projects/" +
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project +
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"/databases/" +
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database +
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"/documents/" +
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document +
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"/" +
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anyPath +
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""
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}
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// GetDocument gets a single document.
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func (c *Client) GetDocument(ctx context.Context, req *firestorepb.GetDocumentRequest, opts ...gax.CallOption) (*firestorepb.Document, error) {
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ctx = insertMetadata(ctx, c.Metadata)
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opts = append(c.CallOptions.GetDocument[0:len(c.CallOptions.GetDocument):len(c.CallOptions.GetDocument)], opts...)
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var resp *firestorepb.Document
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err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
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var err error
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resp, err = c.client.GetDocument(ctx, req, settings.GRPC...)
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return err
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}, opts...)
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if err != nil {
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return nil, err
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}
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return resp, nil
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}
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// ListDocuments lists documents.
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func (c *Client) ListDocuments(ctx context.Context, req *firestorepb.ListDocumentsRequest, opts ...gax.CallOption) *DocumentIterator {
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ctx = insertMetadata(ctx, c.Metadata)
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opts = append(c.CallOptions.ListDocuments[0:len(c.CallOptions.ListDocuments):len(c.CallOptions.ListDocuments)], opts...)
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it := &DocumentIterator{}
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it.InternalFetch = func(pageSize int, pageToken string) ([]*firestorepb.Document, string, error) {
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var resp *firestorepb.ListDocumentsResponse
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req.PageToken = pageToken
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if pageSize > math.MaxInt32 {
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req.PageSize = math.MaxInt32
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} else {
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req.PageSize = int32(pageSize)
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}
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err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
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var err error
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resp, err = c.client.ListDocuments(ctx, req, settings.GRPC...)
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return err
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}, opts...)
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if err != nil {
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return nil, "", err
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}
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return resp.Documents, resp.NextPageToken, nil
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}
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fetch := func(pageSize int, pageToken string) (string, error) {
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items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
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if err != nil {
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return "", err
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}
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it.items = append(it.items, items...)
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return nextPageToken, nil
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}
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it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
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return it
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}
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// CreateDocument creates a new document.
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func (c *Client) CreateDocument(ctx context.Context, req *firestorepb.CreateDocumentRequest, opts ...gax.CallOption) (*firestorepb.Document, error) {
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ctx = insertMetadata(ctx, c.Metadata)
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opts = append(c.CallOptions.CreateDocument[0:len(c.CallOptions.CreateDocument):len(c.CallOptions.CreateDocument)], opts...)
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var resp *firestorepb.Document
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err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
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var err error
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resp, err = c.client.CreateDocument(ctx, req, settings.GRPC...)
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return err
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}, opts...)
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if err != nil {
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return nil, err
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}
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return resp, nil
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}
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// UpdateDocument updates or inserts a document.
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func (c *Client) UpdateDocument(ctx context.Context, req *firestorepb.UpdateDocumentRequest, opts ...gax.CallOption) (*firestorepb.Document, error) {
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ctx = insertMetadata(ctx, c.Metadata)
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opts = append(c.CallOptions.UpdateDocument[0:len(c.CallOptions.UpdateDocument):len(c.CallOptions.UpdateDocument)], opts...)
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var resp *firestorepb.Document
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err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
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var err error
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resp, err = c.client.UpdateDocument(ctx, req, settings.GRPC...)
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return err
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}, opts...)
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if err != nil {
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return nil, err
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}
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return resp, nil
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}
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// DeleteDocument deletes a document.
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func (c *Client) DeleteDocument(ctx context.Context, req *firestorepb.DeleteDocumentRequest, opts ...gax.CallOption) error {
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ctx = insertMetadata(ctx, c.Metadata)
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opts = append(c.CallOptions.DeleteDocument[0:len(c.CallOptions.DeleteDocument):len(c.CallOptions.DeleteDocument)], opts...)
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err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
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var err error
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_, err = c.client.DeleteDocument(ctx, req, settings.GRPC...)
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return err
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}, opts...)
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return err
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}
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// BatchGetDocuments gets multiple documents.
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//
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// Documents returned by this method are not guaranteed to be returned in the
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// same order that they were requested.
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func (c *Client) BatchGetDocuments(ctx context.Context, req *firestorepb.BatchGetDocumentsRequest, opts ...gax.CallOption) (firestorepb.Firestore_BatchGetDocumentsClient, error) {
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ctx = insertMetadata(ctx, c.Metadata)
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opts = append(c.CallOptions.BatchGetDocuments[0:len(c.CallOptions.BatchGetDocuments):len(c.CallOptions.BatchGetDocuments)], opts...)
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var resp firestorepb.Firestore_BatchGetDocumentsClient
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err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
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var err error
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resp, err = c.client.BatchGetDocuments(ctx, req, settings.GRPC...)
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return err
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}, opts...)
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if err != nil {
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return nil, err
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}
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return resp, nil
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}
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// BeginTransaction starts a new transaction.
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func (c *Client) BeginTransaction(ctx context.Context, req *firestorepb.BeginTransactionRequest, opts ...gax.CallOption) (*firestorepb.BeginTransactionResponse, error) {
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ctx = insertMetadata(ctx, c.Metadata)
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opts = append(c.CallOptions.BeginTransaction[0:len(c.CallOptions.BeginTransaction):len(c.CallOptions.BeginTransaction)], opts...)
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var resp *firestorepb.BeginTransactionResponse
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err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
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var err error
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resp, err = c.client.BeginTransaction(ctx, req, settings.GRPC...)
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return err
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}, opts...)
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if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
return resp, nil
|
|
|
|
}
|
|
|
|
|
|
|
|
// Commit commits a transaction, while optionally updating documents.
|
|
|
|
func (c *Client) Commit(ctx context.Context, req *firestorepb.CommitRequest, opts ...gax.CallOption) (*firestorepb.CommitResponse, error) {
|
2017-12-03 21:01:25 +01:00
|
|
|
ctx = insertMetadata(ctx, c.Metadata)
|
2017-10-22 10:07:36 +02:00
|
|
|
opts = append(c.CallOptions.Commit[0:len(c.CallOptions.Commit):len(c.CallOptions.Commit)], opts...)
|
|
|
|
var resp *firestorepb.CommitResponse
|
|
|
|
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
|
|
|
|
var err error
|
|
|
|
resp, err = c.client.Commit(ctx, req, settings.GRPC...)
|
|
|
|
return err
|
|
|
|
}, opts...)
|
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
return resp, nil
|
|
|
|
}
|
|
|
|
|
|
|
|
// Rollback rolls back a transaction.
|
|
|
|
func (c *Client) Rollback(ctx context.Context, req *firestorepb.RollbackRequest, opts ...gax.CallOption) error {
|
2017-12-03 21:01:25 +01:00
|
|
|
ctx = insertMetadata(ctx, c.Metadata)
|
2017-10-22 10:07:36 +02:00
|
|
|
opts = append(c.CallOptions.Rollback[0:len(c.CallOptions.Rollback):len(c.CallOptions.Rollback)], opts...)
|
|
|
|
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
|
|
|
|
var err error
|
|
|
|
_, err = c.client.Rollback(ctx, req, settings.GRPC...)
|
|
|
|
return err
|
|
|
|
}, opts...)
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
|
|
|
|
// RunQuery runs a query.
|
|
|
|
func (c *Client) RunQuery(ctx context.Context, req *firestorepb.RunQueryRequest, opts ...gax.CallOption) (firestorepb.Firestore_RunQueryClient, error) {
|
2017-12-03 21:01:25 +01:00
|
|
|
ctx = insertMetadata(ctx, c.Metadata)
|
2017-10-22 10:07:36 +02:00
|
|
|
opts = append(c.CallOptions.RunQuery[0:len(c.CallOptions.RunQuery):len(c.CallOptions.RunQuery)], opts...)
|
|
|
|
var resp firestorepb.Firestore_RunQueryClient
|
|
|
|
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
|
|
|
|
var err error
|
|
|
|
resp, err = c.client.RunQuery(ctx, req, settings.GRPC...)
|
|
|
|
return err
|
|
|
|
}, opts...)
|
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
return resp, nil
|
|
|
|
}
|
|
|
|
|
|
|
|
// Write streams batches of document updates and deletes, in order.
|
|
|
|
func (c *Client) Write(ctx context.Context, opts ...gax.CallOption) (firestorepb.Firestore_WriteClient, error) {
|
2017-12-03 21:01:25 +01:00
|
|
|
ctx = insertMetadata(ctx, c.Metadata)
|
2017-10-22 10:07:36 +02:00
|
|
|
opts = append(c.CallOptions.Write[0:len(c.CallOptions.Write):len(c.CallOptions.Write)], opts...)
|
|
|
|
var resp firestorepb.Firestore_WriteClient
|
|
|
|
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
|
|
|
|
var err error
|
|
|
|
resp, err = c.client.Write(ctx, settings.GRPC...)
|
|
|
|
return err
|
|
|
|
}, opts...)
|
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
return resp, nil
|
|
|
|
}
|
|
|
|
|
|
|
|
// Listen listens to changes.
|
|
|
|
func (c *Client) Listen(ctx context.Context, opts ...gax.CallOption) (firestorepb.Firestore_ListenClient, error) {
|
2017-12-03 21:01:25 +01:00
|
|
|
ctx = insertMetadata(ctx, c.Metadata)
|
2017-10-22 10:07:36 +02:00
|
|
|
opts = append(c.CallOptions.Listen[0:len(c.CallOptions.Listen):len(c.CallOptions.Listen)], opts...)
|
|
|
|
var resp firestorepb.Firestore_ListenClient
|
|
|
|
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
|
|
|
|
var err error
|
|
|
|
resp, err = c.client.Listen(ctx, settings.GRPC...)
|
|
|
|
return err
|
|
|
|
}, opts...)
|
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
return resp, nil
|
|
|
|
}
|
|
|
|
|
|
|
|
// ListCollectionIds lists all the collection IDs underneath a document.
|
|
|
|
func (c *Client) ListCollectionIds(ctx context.Context, req *firestorepb.ListCollectionIdsRequest, opts ...gax.CallOption) *StringIterator {
|
2017-12-03 21:01:25 +01:00
|
|
|
ctx = insertMetadata(ctx, c.Metadata)
|
2017-10-22 10:07:36 +02:00
|
|
|
opts = append(c.CallOptions.ListCollectionIds[0:len(c.CallOptions.ListCollectionIds):len(c.CallOptions.ListCollectionIds)], opts...)
|
|
|
|
it := &StringIterator{}
|
|
|
|
it.InternalFetch = func(pageSize int, pageToken string) ([]string, string, error) {
|
|
|
|
var resp *firestorepb.ListCollectionIdsResponse
|
|
|
|
req.PageToken = pageToken
|
|
|
|
if pageSize > math.MaxInt32 {
|
|
|
|
req.PageSize = math.MaxInt32
|
|
|
|
} else {
|
|
|
|
req.PageSize = int32(pageSize)
|
|
|
|
}
|
|
|
|
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
|
|
|
|
var err error
|
|
|
|
resp, err = c.client.ListCollectionIds(ctx, req, settings.GRPC...)
|
|
|
|
return err
|
|
|
|
}, opts...)
|
|
|
|
if err != nil {
|
|
|
|
return nil, "", err
|
|
|
|
}
|
|
|
|
return resp.CollectionIds, resp.NextPageToken, nil
|
|
|
|
}
|
|
|
|
fetch := func(pageSize int, pageToken string) (string, error) {
|
|
|
|
items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
|
|
|
|
if err != nil {
|
|
|
|
return "", err
|
|
|
|
}
|
|
|
|
it.items = append(it.items, items...)
|
|
|
|
return nextPageToken, nil
|
|
|
|
}
|
|
|
|
it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
|
|
|
|
return it
|
|
|
|
}
|
|
|
|
|
|
|
|
// DocumentIterator manages a stream of *firestorepb.Document.
|
|
|
|
type DocumentIterator struct {
|
|
|
|
items []*firestorepb.Document
|
|
|
|
pageInfo *iterator.PageInfo
|
|
|
|
nextFunc func() error
|
|
|
|
|
|
|
|
// InternalFetch is for use by the Google Cloud Libraries only.
|
|
|
|
// It is not part of the stable interface of this package.
|
|
|
|
//
|
|
|
|
// InternalFetch returns results from a single call to the underlying RPC.
|
|
|
|
// The number of results is no greater than pageSize.
|
|
|
|
// If there are no more results, nextPageToken is empty and err is nil.
|
|
|
|
InternalFetch func(pageSize int, pageToken string) (results []*firestorepb.Document, nextPageToken string, err error)
|
|
|
|
}
|
|
|
|
|
|
|
|
// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
|
|
|
|
func (it *DocumentIterator) PageInfo() *iterator.PageInfo {
|
|
|
|
return it.pageInfo
|
|
|
|
}
|
|
|
|
|
|
|
|
// Next returns the next result. Its second return value is iterator.Done if there are no more
|
|
|
|
// results. Once Next returns Done, all subsequent calls will return Done.
|
|
|
|
func (it *DocumentIterator) Next() (*firestorepb.Document, error) {
|
|
|
|
var item *firestorepb.Document
|
|
|
|
if err := it.nextFunc(); err != nil {
|
|
|
|
return item, err
|
|
|
|
}
|
|
|
|
item = it.items[0]
|
|
|
|
it.items = it.items[1:]
|
|
|
|
return item, nil
|
|
|
|
}
|
|
|
|
|
|
|
|
func (it *DocumentIterator) bufLen() int {
|
|
|
|
return len(it.items)
|
|
|
|
}
|
|
|
|
|
|
|
|
func (it *DocumentIterator) takeBuf() interface{} {
|
|
|
|
b := it.items
|
|
|
|
it.items = nil
|
|
|
|
return b
|
|
|
|
}
|
|
|
|
|
|
|
|
// StringIterator manages a stream of string.
|
|
|
|
type StringIterator struct {
|
|
|
|
items []string
|
|
|
|
pageInfo *iterator.PageInfo
|
|
|
|
nextFunc func() error
|
|
|
|
|
|
|
|
// InternalFetch is for use by the Google Cloud Libraries only.
|
|
|
|
// It is not part of the stable interface of this package.
|
|
|
|
//
|
|
|
|
// InternalFetch returns results from a single call to the underlying RPC.
|
|
|
|
// The number of results is no greater than pageSize.
|
|
|
|
// If there are no more results, nextPageToken is empty and err is nil.
|
|
|
|
InternalFetch func(pageSize int, pageToken string) (results []string, nextPageToken string, err error)
|
|
|
|
}
|
|
|
|
|
|
|
|
// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
|
|
|
|
func (it *StringIterator) PageInfo() *iterator.PageInfo {
|
|
|
|
return it.pageInfo
|
|
|
|
}
|
|
|
|
|
|
|
|
// Next returns the next result. Its second return value is iterator.Done if there are no more
|
|
|
|
// results. Once Next returns Done, all subsequent calls will return Done.
|
|
|
|
func (it *StringIterator) Next() (string, error) {
|
|
|
|
var item string
|
|
|
|
if err := it.nextFunc(); err != nil {
|
|
|
|
return item, err
|
|
|
|
}
|
|
|
|
item = it.items[0]
|
|
|
|
it.items = it.items[1:]
|
|
|
|
return item, nil
|
|
|
|
}
|
|
|
|
|
|
|
|
func (it *StringIterator) bufLen() int {
|
|
|
|
return len(it.items)
|
|
|
|
}
|
|
|
|
|
|
|
|
func (it *StringIterator) takeBuf() interface{} {
|
|
|
|
b := it.items
|
|
|
|
it.items = nil
|
|
|
|
return b
|
|
|
|
}
|