76 lines
2 KiB
Go
76 lines
2 KiB
Go
// Copyright 2014 The Cayley Authors. All rights reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package iterator
|
|
|
|
import (
|
|
"github.com/google/cayley/graph"
|
|
"github.com/google/cayley/keys"
|
|
"github.com/google/cayley/quad"
|
|
)
|
|
|
|
// store is a mocked version of the QuadStore interface, for use in tests.
|
|
type store struct {
|
|
data []string
|
|
iter graph.Iterator
|
|
}
|
|
|
|
func (qs *store) ValueOf(s string) graph.Value {
|
|
for i, v := range qs.data {
|
|
if s == v {
|
|
return i
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (qs *store) ApplyDeltas([]graph.Delta) error { return nil }
|
|
|
|
func (qs *store) Quad(graph.Value) quad.Quad { return quad.Quad{} }
|
|
|
|
func (qs *store) QuadIterator(d quad.Direction, i graph.Value) graph.Iterator {
|
|
return qs.iter
|
|
}
|
|
|
|
func (qs *store) NodesAllIterator() graph.Iterator { return &Null{} }
|
|
|
|
func (qs *store) QuadsAllIterator() graph.Iterator { return &Null{} }
|
|
|
|
func (qs *store) NameOf(v graph.Value) string {
|
|
i := v.(int)
|
|
if i < 0 || i >= len(qs.data) {
|
|
return ""
|
|
}
|
|
return qs.data[i]
|
|
}
|
|
|
|
func (qs *store) Size() int64 { return 0 }
|
|
|
|
func (qs *store) Horizon() graph.PrimaryKey { return keys.NewSequentialKey(0) }
|
|
|
|
func (qs *store) DebugPrint() {}
|
|
|
|
func (qs *store) OptimizeIterator(it graph.Iterator) (graph.Iterator, bool) {
|
|
return &Null{}, false
|
|
}
|
|
|
|
func (qs *store) FixedIterator() graph.FixedIterator {
|
|
return NewFixed(Identity)
|
|
}
|
|
|
|
func (qs *store) Close() {}
|
|
|
|
func (qs *store) QuadDirection(graph.Value, quad.Direction) graph.Value { return 0 }
|
|
|
|
func (qs *store) RemoveQuad(t quad.Quad) {}
|