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69 lines
1.8 KiB
69 lines
1.8 KiB
//
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// DISCLAIMER
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//
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// Copyright 2017 ArangoDB GmbH, Cologne, Germany
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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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//
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// Copyright holder is ArangoDB GmbH, Cologne, Germany
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//
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// Author Ewout Prangsma
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//
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package driver
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// DocumentMeta contains all meta data used to identifier a document.
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type DocumentMeta struct {
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Key string `json:"_key,omitempty"`
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ID DocumentID `json:"_id,omitempty"`
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Rev string `json:"_rev,omitempty"`
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OldRev string `json:"_oldRev,omitempty"`
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}
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// validateKey returns an error if the given key is empty otherwise invalid.
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func validateKey(key string) error {
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if key == "" {
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return WithStack(InvalidArgumentError{Message: "key is empty"})
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}
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return nil
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}
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// DocumentMetaSlice is a slice of DocumentMeta elements
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type DocumentMetaSlice []DocumentMeta
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// Keys returns the keys of all elements.
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func (l DocumentMetaSlice) Keys() []string {
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keys := make([]string, len(l))
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for i, m := range l {
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keys[i] = m.Key
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}
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return keys
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}
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// Revs returns the revisions of all elements.
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func (l DocumentMetaSlice) Revs() []string {
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revs := make([]string, len(l))
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for i, m := range l {
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revs[i] = m.Rev
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}
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return revs
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}
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// IDs returns the ID's of all elements.
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func (l DocumentMetaSlice) IDs() []DocumentID {
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ids := make([]DocumentID, len(l))
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for i, m := range l {
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ids[i] = m.ID
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}
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return ids
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}
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