/
providers.go
174 lines (141 loc) · 4.16 KB
/
providers.go
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package gocb
import (
"context"
gocbcore "github.com/couchbase/gocbcore/v10"
)
// NOTE: context in these provider functions can be passed as a nil value.
// The async op manager will check for a nil context.Context, the context values should never be assumed to be non-nil.
type httpProvider interface {
DoHTTPRequest(ctx context.Context, req *gocbcore.HTTPRequest) (*gocbcore.HTTPResponse, error)
}
type viewProvider interface {
ViewQuery(ctx context.Context, opts gocbcore.ViewQueryOptions) (viewRowReader, error)
}
type analyticsProvider interface {
AnalyticsQuery(ctx context.Context, opts gocbcore.AnalyticsQueryOptions) (analyticsRowReader, error)
}
type diagnosticsProvider interface {
Diagnostics(opts gocbcore.DiagnosticsOptions) (*gocbcore.DiagnosticInfo, error)
Ping(ctx context.Context, opts gocbcore.PingOptions) (*gocbcore.PingResult, error)
}
type gocbcoreDiagnosticsProvider interface {
Diagnostics(opts gocbcore.DiagnosticsOptions) (*gocbcore.DiagnosticInfo, error)
Ping(opts gocbcore.PingOptions, cb gocbcore.PingCallback) (gocbcore.PendingOp, error)
}
type gocbcoreHTTPProvider interface {
DoHTTPRequest(req *gocbcore.HTTPRequest, cb gocbcore.DoHTTPRequestCallback) (gocbcore.PendingOp, error)
}
type diagnosticsProviderWrapper struct {
provider gocbcoreDiagnosticsProvider
}
func (dpw *diagnosticsProviderWrapper) Diagnostics(opts gocbcore.DiagnosticsOptions) (*gocbcore.DiagnosticInfo, error) {
return dpw.provider.Diagnostics(opts)
}
func (dpw *diagnosticsProviderWrapper) Ping(ctx context.Context, opts gocbcore.PingOptions) (pOut *gocbcore.PingResult, errOut error) {
opm := newAsyncOpManager(ctx)
err := opm.Wait(dpw.provider.Ping(opts, func(res *gocbcore.PingResult, err error) {
if err != nil {
errOut = err
opm.Reject()
return
}
pOut = res
opm.Resolve()
}))
if err != nil {
errOut = err
}
return
}
type httpProviderWrapper struct {
provider gocbcoreHTTPProvider
}
func (hpw *httpProviderWrapper) DoHTTPRequest(ctx context.Context, req *gocbcore.HTTPRequest) (respOut *gocbcore.HTTPResponse, errOut error) {
opm := newAsyncOpManager(ctx)
err := opm.Wait(hpw.provider.DoHTTPRequest(req, func(res *gocbcore.HTTPResponse, err error) {
if err != nil {
errOut = err
opm.Reject()
return
}
respOut = res
opm.Resolve()
}))
if err != nil {
errOut = err
}
return
}
type analyticsProviderWrapper struct {
provider *gocbcore.AgentGroup
}
func (apw *analyticsProviderWrapper) AnalyticsQuery(ctx context.Context, opts gocbcore.AnalyticsQueryOptions) (aOut analyticsRowReader, errOut error) {
opm := newAsyncOpManager(ctx)
err := opm.Wait(apw.provider.AnalyticsQuery(opts, func(reader *gocbcore.AnalyticsRowReader, err error) {
if err != nil {
errOut = err
opm.Reject()
return
}
aOut = reader
opm.Resolve()
}))
if err != nil {
errOut = err
}
return
}
type queryProviderWrapper struct {
provider *gocbcore.AgentGroup
}
func (apw *queryProviderWrapper) N1QLQuery(ctx context.Context, opts gocbcore.N1QLQueryOptions) (qOut queryRowReader, errOut error) {
opm := newAsyncOpManager(ctx)
err := opm.Wait(apw.provider.N1QLQuery(opts, func(reader *gocbcore.N1QLRowReader, err error) {
if err != nil {
errOut = err
opm.Reject()
return
}
qOut = reader
opm.Resolve()
}))
if err != nil {
errOut = err
}
return
}
func (apw *queryProviderWrapper) PreparedN1QLQuery(ctx context.Context, opts gocbcore.N1QLQueryOptions) (qOut queryRowReader, errOut error) {
opm := newAsyncOpManager(ctx)
err := opm.Wait(apw.provider.PreparedN1QLQuery(opts, func(reader *gocbcore.N1QLRowReader, err error) {
if err != nil {
errOut = err
opm.Reject()
return
}
qOut = reader
opm.Resolve()
}))
if err != nil {
errOut = err
}
return
}
type viewProviderWrapper struct {
provider *gocbcore.Agent
}
func (apw *viewProviderWrapper) ViewQuery(ctx context.Context, opts gocbcore.ViewQueryOptions) (vOut viewRowReader, errOut error) {
opm := newAsyncOpManager(ctx)
err := opm.Wait(apw.provider.ViewQuery(opts, func(reader *gocbcore.ViewQueryRowReader, err error) {
if err != nil {
errOut = err
opm.Reject()
return
}
vOut = reader
opm.Resolve()
}))
if err != nil {
errOut = err
}
return
}