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jsonmessage.go
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jsonmessage.go
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// Copyright 2014 The Serviced Authors.
// 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 datastore
import (
"encoding/json"
)
// JSONMessage Represents a enity as JSON
type JSONMessage interface {
// Bytes return the JSON bytes of an entity
Bytes() json.RawMessage
Version() map[string]int
}
// NewJSONMessage creates a JSONMessage using the provided bytes. The bytes should represent valid JSON
func NewJSONMessage(data []byte, version map[string]int) JSONMessage {
return &jsonMessage{data, version}
}
type jsonMessage struct {
data json.RawMessage
vEntity map[string]int
}
func (m *jsonMessage) Bytes() json.RawMessage {
return m.data
}
func (m *jsonMessage) Version() map[string]int {
return m.vEntity
}
// MarshalJSON returns *m as the JSON encoding of m.
func (m *jsonMessage) MarshalJSON() ([]byte, error) {
return m.data.MarshalJSON()
}
// UnmarshalJSON sets *m to a copy of data.
func (m *jsonMessage) UnmarshalJSON(data []byte) error {
return m.data.UnmarshalJSON(data)
}