influxdb/mock/reader.go

63 lines
2.6 KiB
Go

package mock
import (
"context"
"github.com/influxdata/flux/memory"
"github.com/influxdata/influxdb/v2/query/stdlib/influxdata/influxdb"
)
type StorageReader struct {
ReadFilterFn func(ctx context.Context, spec influxdb.ReadFilterSpec, alloc *memory.Allocator) (influxdb.TableIterator, error)
ReadGroupFn func(ctx context.Context, spec influxdb.ReadGroupSpec, alloc *memory.Allocator) (influxdb.TableIterator, error)
ReadTagKeysFn func(ctx context.Context, spec influxdb.ReadTagKeysSpec, alloc *memory.Allocator) (influxdb.TableIterator, error)
ReadTagValuesFn func(ctx context.Context, spec influxdb.ReadTagValuesSpec, alloc *memory.Allocator) (influxdb.TableIterator, error)
CloseFn func()
}
func (s *StorageReader) ReadFilter(ctx context.Context, spec influxdb.ReadFilterSpec, alloc *memory.Allocator) (influxdb.TableIterator, error) {
return s.ReadFilterFn(ctx, spec, alloc)
}
func (s *StorageReader) ReadGroup(ctx context.Context, spec influxdb.ReadGroupSpec, alloc *memory.Allocator) (influxdb.TableIterator, error) {
return s.ReadGroupFn(ctx, spec, alloc)
}
func (s *StorageReader) ReadTagKeys(ctx context.Context, spec influxdb.ReadTagKeysSpec, alloc *memory.Allocator) (influxdb.TableIterator, error) {
return s.ReadTagKeysFn(ctx, spec, alloc)
}
func (s *StorageReader) ReadTagValues(ctx context.Context, spec influxdb.ReadTagValuesSpec, alloc *memory.Allocator) (influxdb.TableIterator, error) {
return s.ReadTagValuesFn(ctx, spec, alloc)
}
func (s *StorageReader) Close() {
// Only invoke the close function if it is set.
// We want this to be a no-op and work without
// explicitly setting up a close function.
if s.CloseFn != nil {
s.CloseFn()
}
}
type WindowAggregateStoreReader struct {
*StorageReader
HasWindowAggregateCapabilityFn func(ctx context.Context, capability ...*influxdb.WindowAggregateCapability) bool
ReadWindowAggregateFn func(ctx context.Context, spec influxdb.ReadWindowAggregateSpec, alloc *memory.Allocator) (influxdb.TableIterator, error)
}
func (s *WindowAggregateStoreReader) HasWindowAggregateCapability(ctx context.Context, capability ...*influxdb.WindowAggregateCapability) bool {
// Use the function if it exists.
if s.HasWindowAggregateCapabilityFn != nil {
return s.HasWindowAggregateCapabilityFn(ctx)
}
// Provide a default implementation if one wasn't set.
// This will return true if the other function was set.
return s.ReadWindowAggregateFn != nil
}
func (s *WindowAggregateStoreReader) ReadWindowAggregate(ctx context.Context, spec influxdb.ReadWindowAggregateSpec, alloc *memory.Allocator) (influxdb.TableIterator, error) {
return s.ReadWindowAggregateFn(ctx, spec, alloc)
}