frostfs-api-go-pogpp/object/grpc/client.go
Leonard Lyubich 25da5d2e13 Add v2 version to go module name
Replace all elements from `v2` to root directory.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
2021-11-17 15:29:33 +03:00

86 lines
2.1 KiB
Go

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