| public CreateTag ( string tagName, UnderlyingSystemDataType dataType, UnderlyingSystemTagType tagType, string engineeringUnits, bool writeable ) : void | ||
| tagName | string | Name of the tag. |
| dataType | UnderlyingSystemDataType | Type of the data. |
| tagType | UnderlyingSystemTagType | Type of the tag. |
| engineeringUnits | string | The engineering units. |
| writeable | bool | if set to |
| return | void | |
/// <summary>
/// Finds a block.
/// </summary>
/// <param name="blockId">The block identifier.</param>
/// <returns>The block.</returns>
public UnderlyingSystemBlock FindBlock(string blockId)
{
UnderlyingSystemBlock block = null;
lock (m_lock)
{
// check for invalid name.
if (String.IsNullOrEmpty(blockId))
{
return(null);
}
// look for cached block.
if (m_blocks.TryGetValue(blockId, out block))
{
return(block);
}
// lookup block in database.
string blockType = null;
int length = blockId.Length;
for (int ii = 0; ii < s_BlockDatabase.Length; ii++)
{
blockType = s_BlockDatabase[ii];
if (length >= blockType.Length || blockType[length] != '/')
{
continue;
}
if (blockType.StartsWith(blockId))
{
blockType = blockType.Substring(length + 1);
break;
}
blockType = null;
}
// block not found.
if (blockType == null)
{
return(null);
}
// create a new block.
block = new UnderlyingSystemBlock();
// create the block.
block.Id = blockId;
block.Name = blockId;
block.BlockType = blockType;
m_blocks.Add(blockId, block);
// add the tags based on the block type.
// note that the block and tag types used here are types defined by the underlying system.
// the node manager will need to map these types to UA defined types.
switch (block.BlockType)
{
case "FlowSensor":
{
block.CreateTag("Measurement", UnderlyingSystemDataType.Real4, UnderlyingSystemTagType.Analog, "liters/sec", false);
block.CreateTag("Online", UnderlyingSystemDataType.Integer1, UnderlyingSystemTagType.Digital, null, false);
break;
}
case "LevelSensor":
{
block.CreateTag("Measurement", UnderlyingSystemDataType.Real4, UnderlyingSystemTagType.Analog, "liters", false);
block.CreateTag("Online", UnderlyingSystemDataType.Integer1, UnderlyingSystemTagType.Digital, null, false);
break;
}
case "Controller":
{
block.CreateTag("SetPoint", UnderlyingSystemDataType.Real4, UnderlyingSystemTagType.Normal, null, true);
block.CreateTag("Measurement", UnderlyingSystemDataType.Real4, UnderlyingSystemTagType.Normal, null, false);
block.CreateTag("Output", UnderlyingSystemDataType.Real4, UnderlyingSystemTagType.Normal, null, false);
block.CreateTag("Status", UnderlyingSystemDataType.Integer4, UnderlyingSystemTagType.Enumerated, null, false);
break;
}
case "CustomController":
{
block.CreateTag("Input1", UnderlyingSystemDataType.Real4, UnderlyingSystemTagType.Normal, null, true);
block.CreateTag("Input2", UnderlyingSystemDataType.Real4, UnderlyingSystemTagType.Normal, null, true);
block.CreateTag("Input3", UnderlyingSystemDataType.Real4, UnderlyingSystemTagType.Normal, null, true);
block.CreateTag("Output", UnderlyingSystemDataType.Real4, UnderlyingSystemTagType.Normal, null, false);
break;
}
}
}
// return the new block.
return(block);
}
/// <summary>
/// Finds a block.
/// </summary>
/// <param name="blockId">The block identifier.</param>
/// <returns>The block.</returns>
public UnderlyingSystemBlock FindBlock(string blockId)
{
UnderlyingSystemBlock block = null;
lock (m_lock)
{
// check for invalid name.
if (String.IsNullOrEmpty(blockId))
{
return null;
}
// look for cached block.
if (m_blocks.TryGetValue(blockId, out block))
{
return block;
}
// lookup block in database.
string blockType = null;
int length = blockId.Length;
for (int ii = 0; ii < s_BlockDatabase.Length; ii++)
{
blockType = s_BlockDatabase[ii];
if (length >= blockType.Length || blockType[length] != '/')
{
continue;
}
if (blockType.StartsWith(blockId))
{
blockType = blockType.Substring(length+1);
break;
}
blockType = null;
}
// block not found.
if (blockType == null)
{
return null;
}
// create a new block.
block = new UnderlyingSystemBlock();
// create the block.
block.Id = blockId;
block.Name = blockId;
block.BlockType = blockType;
m_blocks.Add(blockId, block);
// add the tags based on the block type.
// note that the block and tag types used here are types defined by the underlying system.
// the node manager will need to map these types to UA defined types.
switch (block.BlockType)
{
case "FlowSensor":
{
block.CreateTag("Measurement", UnderlyingSystemDataType.Real4, UnderlyingSystemTagType.Analog, "liters/sec", false);
block.CreateTag("Online", UnderlyingSystemDataType.Integer1, UnderlyingSystemTagType.Digital, null, false);
break;
}
case "LevelSensor":
{
block.CreateTag("Measurement", UnderlyingSystemDataType.Real4, UnderlyingSystemTagType.Analog, "liters", false);
block.CreateTag("Online", UnderlyingSystemDataType.Integer1, UnderlyingSystemTagType.Digital, null, false);
break;
}
case "Controller":
{
block.CreateTag("SetPoint", UnderlyingSystemDataType.Real4, UnderlyingSystemTagType.Normal, null, true);
block.CreateTag("Measurement", UnderlyingSystemDataType.Real4, UnderlyingSystemTagType.Normal, null, false);
block.CreateTag("Output", UnderlyingSystemDataType.Real4, UnderlyingSystemTagType.Normal, null, false);
block.CreateTag("Status", UnderlyingSystemDataType.Integer4, UnderlyingSystemTagType.Enumerated, null, false);
break;
}
case "CustomController":
{
block.CreateTag("Input1", UnderlyingSystemDataType.Real4, UnderlyingSystemTagType.Normal, null, true);
block.CreateTag("Input2", UnderlyingSystemDataType.Real4, UnderlyingSystemTagType.Normal, null, true);
block.CreateTag("Input3", UnderlyingSystemDataType.Real4, UnderlyingSystemTagType.Normal, null, true);
block.CreateTag("Output", UnderlyingSystemDataType.Real4, UnderlyingSystemTagType.Normal, null, false);
break;
}
}
}
// return the new block.
return block;
}
