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Tag.go
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Tag.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 simulated
import (
"fmt"
apiModel "github.com/apache/plc4x/plc4go/pkg/api/model"
"github.com/apache/plc4x/plc4go/pkg/api/values"
"github.com/apache/plc4x/plc4go/protocols/simulated/readwrite/model"
spiModel "github.com/apache/plc4x/plc4go/spi/model"
)
type Tag interface {
apiModel.PlcTag
GetTagType() TagType
GetName() string
GetDataTypeSize() model.SimulatedDataTypeSizes
}
type simulatedTag struct {
TagType TagType
Name string
DataTypeSize model.SimulatedDataTypeSizes
Quantity uint16
}
func NewSimulatedTag(tagType TagType, name string, dataTypeSize model.SimulatedDataTypeSizes, quantity uint16) Tag {
return simulatedTag{
TagType: tagType,
Name: name,
DataTypeSize: dataTypeSize,
Quantity: quantity,
}
}
func (t simulatedTag) GetTagType() TagType {
return t.TagType
}
func (t simulatedTag) GetName() string {
return t.Name
}
func (t simulatedTag) GetDataTypeSize() model.SimulatedDataTypeSizes {
return t.DataTypeSize
}
func (t simulatedTag) GetAddressString() string {
return fmt.Sprintf("%s/%s:%s[%d]", t.TagType.Name(), t.Name, t.DataTypeSize.String(), t.Quantity)
}
func (t simulatedTag) GetValueType() values.PlcValueType {
if plcValueType, ok := values.PlcValueByName(t.DataTypeSize.String()); ok {
return plcValueType
}
return values.NULL
}
func (t simulatedTag) GetArrayInfo() []apiModel.ArrayInfo {
if t.Quantity != 1 {
return []apiModel.ArrayInfo{
&spiModel.DefaultArrayInfo{
LowerBound: 0,
UpperBound: uint32(t.Quantity),
},
}
}
return []apiModel.ArrayInfo{}
}
func (t simulatedTag) String() string {
return "simulated"
}