87 lines
2.1 KiB
Go
87 lines
2.1 KiB
Go
package object
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import (
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"context"
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"errors"
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"google.golang.org/grpc"
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)
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// Client wraps ObjectServiceClient
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// with pre-defined configurations.
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type Client struct {
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*cfg
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client ObjectServiceClient
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}
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// Option represents Client option.
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type Option func(*cfg)
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type cfg struct {
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callOpts []grpc.CallOption
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}
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// ErrNilObjectServiceClient is returned by functions that expect
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// a non-nil ObjectServiceClient, but received nil.
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var ErrNilObjectServiceClient = errors.New("object gRPC client is nil")
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func defaultCfg() *cfg {
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return new(cfg)
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}
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// NewClient creates, initializes and returns a new Client instance.
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//
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// Options are applied one by one in order.
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func NewClient(c ObjectServiceClient, opts ...Option) (*Client, error) {
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if c == nil {
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return nil, ErrNilObjectServiceClient
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}
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cfg := defaultCfg()
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for i := range opts {
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opts[i](cfg)
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}
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return &Client{
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cfg: cfg,
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client: c,
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}, nil
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}
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func (c *Client) Get(ctx context.Context, req *GetRequest) (ObjectService_GetClient, error) {
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return c.client.Get(ctx, req, c.callOpts...)
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}
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func (c *Client) Put(ctx context.Context) (ObjectService_PutClient, error) {
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return c.client.Put(ctx, c.callOpts...)
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}
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func (c *Client) Head(ctx context.Context, req *HeadRequest) (*HeadResponse, error) {
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return c.client.Head(ctx, req, c.callOpts...)
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}
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func (c *Client) Search(ctx context.Context, req *SearchRequest) (ObjectService_SearchClient, error) {
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return c.client.Search(ctx, req, c.callOpts...)
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}
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func (c *Client) Delete(ctx context.Context, req *DeleteRequest) (*DeleteResponse, error) {
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return c.client.Delete(ctx, req, c.callOpts...)
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}
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func (c *Client) GetRange(ctx context.Context, req *GetRangeRequest) (ObjectService_GetRangeClient, error) {
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return c.client.GetRange(ctx, req, c.callOpts...)
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}
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func (c *Client) GetRangeHash(ctx context.Context, req *GetRangeHashRequest) (*GetRangeHashResponse, error) {
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return c.client.GetRangeHash(ctx, req, c.callOpts...)
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}
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// WithCallOptions returns Option that configures
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// Client to attach call options to each rpc call.
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func WithCallOptions(opts []grpc.CallOption) Option {
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return func(c *cfg) {
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c.callOpts = opts
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}
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}
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