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DefaultPlcReadResponse.go
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/
DefaultPlcReadResponse.go
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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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
*
* https://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 model
import (
apiModel "github.com/apache/plc4x/plc4go/pkg/api/model"
apiValues "github.com/apache/plc4x/plc4go/pkg/api/values"
spiValues "github.com/apache/plc4x/plc4go/spi/values"
)
var _ apiModel.PlcReadResponse = &DefaultPlcReadResponse{}
//go:generate go run ../../tools/plc4xgenerator/gen.go -type=DefaultPlcReadResponse
type DefaultPlcReadResponse struct {
request apiModel.PlcReadRequest
values map[string]*ResponseItem
}
func NewDefaultPlcReadResponse(request apiModel.PlcReadRequest, responseCodes map[string]apiModel.PlcResponseCode, values map[string]apiValues.PlcValue) apiModel.PlcReadResponse {
valueMap := map[string]*ResponseItem{}
for name, code := range responseCodes {
value := values[name]
valueMap[name] = NewResponseItem(code, value)
}
return &DefaultPlcReadResponse{
request: request,
values: valueMap,
}
}
func (d *DefaultPlcReadResponse) IsAPlcMessage() bool {
return true
}
func (d *DefaultPlcReadResponse) GetTagNames() []string {
if d.request == nil {
// safety guard
return nil
}
var tagNames []string
// We take the tag names from the request to keep order as map is not ordered
for _, name := range d.request.GetTagNames() {
if _, ok := d.values[name]; ok {
tagNames = append(tagNames, name)
}
}
return tagNames
}
func (d *DefaultPlcReadResponse) GetRequest() apiModel.PlcReadRequest {
return d.request
}
func (d *DefaultPlcReadResponse) GetResponseCode(name string) apiModel.PlcResponseCode {
item, ok := d.values[name]
if !ok {
return apiModel.PlcResponseCode_NOT_FOUND
}
return item.GetCode()
}
func (d *DefaultPlcReadResponse) GetValue(name string) apiValues.PlcValue {
item, ok := d.values[name]
if !ok {
return spiValues.PlcNull{}
}
return item.GetValue()
}