public void HandleCmd(string cmdStr, ref Context context)
{
foreach (AbstractCommand cmd in commandList)
{
if (cmd.Process(cmdStr, ref context))
{
return;
}
}
throw new EditorException("The command cannot be understood. Use <help> to get help info.");
}
protected override void Handle(Dictionary<string, string> paramMap, ref Context context)
{
string devices = paramMap[DEVICES];
string where = paramMap[WHERE];
if (context.Type.Equals(OpenCmd.FAILOVER) || context.Type.Equals(OpenCmd.GOLDCOPY))
{
HandleFailover(devices, where, ref context);
}
else if (context.Type.Equals(OpenCmd.RDF) || context.Type.Equals(OpenCmd.REPLICA))
{
HandleRDF(devices, where, ref context);
}
}
public bool Process(string cmdStr, ref Context context)
{
if(CanHandle(cmdStr))
{
if (context == null
&& !CMD_NAME.Equals(openCmd.CMD_NAME)
&& !CMD_NAME.Equals(exitCmd.CMD_NAME)
&& !CMD_NAME.Equals(helpCmd.CMD_NAME))
{
throw new EditorException("Invalid command, please use open command first.");
}
if(cmdStr.Length >= CMD_NAME.Length)
cmdStr = cmdStr.Substring(CMD_NAME.Length);
cmdStr = cmdStr.Trim();
Dictionary<string, string> paramMap = Parse(cmdStr);
Handle(paramMap, ref context);
return true;
}
return false;
}
private void HandleFailover(string devices, string where, ref Context context)
{
Dictionary<string, string> devicePairs = deviceParam.ParseFailover(devices);
Dictionary<string, string> wheres = whereClause.Parse(where);
CheckKeys(wheres);
RemoveUnusedFailoverValues(wheres);
TreeNode copyInfo = context.FindCopyInfo(wheres);
if (copyInfo == null)
{
copyInfo = context.CreateNewCopyInfo(wheres);
foreach (string key in devicePairs.Keys)
{
context.AddToExistingCopyInfo(copyInfo, key, devicePairs[key]);
}
}
else
{
foreach (string key in devicePairs.Keys)
{
bool sourceContained = context.CopyInfoContainsDeviceSource(copyInfo, key);
bool targetContained = context.CopyInfoContainsDeviceTarget(copyInfo, devicePairs[key]);
if (sourceContained && !targetContained)
{
throw new EditorException("The device pair: " + key + "-" + devicePairs[key] + ", its source is already contained.");
}
if (!sourceContained && targetContained)
{
throw new EditorException("The device pair: " + key + "-" + devicePairs[key] + ", its target is already contained.");
}
if (!sourceContained && !targetContained)
{
context.AddToExistingCopyInfo(copyInfo, key, devicePairs[key]);
}
}
}
}
private void HandleRDF(string devices, string where, ref Context context)
{
HashSet<string> devList = deviceParam.ParseRDF(devices);
Dictionary<string, string> wheres = whereClause.Parse(where);
}
protected abstract void Handle(Dictionary<string, string> paramMap, ref Context context);