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45 lines
1.3 KiB
45 lines
1.3 KiB
// Copyright 2014 The Cayley Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package query
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// Defines the graph session interface general to all query languages.
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type ParseResult int
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const (
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Parsed ParseResult = iota
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ParseMore
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ParseFail
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)
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type Session interface {
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// Return whether the string is a valid expression.
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Parse(string) (ParseResult, error)
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Execute(string, chan interface{}, int)
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Format(interface{}) string
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Debug(bool)
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}
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type HTTP interface {
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// Return whether the string is a valid expression.
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Parse(string) (ParseResult, error)
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// Runs the query and returns individual results on the channel.
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Execute(string, chan interface{}, int)
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ShapeOf(string) (interface{}, error)
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Collate(interface{})
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Results() (interface{}, error)
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Clear()
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}
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