private void RemoveReference(String statementName, String variableName)
{
// remove from variables
var statements = _variableToStmt.Get(variableName);
if (statements != null)
{
if (!statements.Remove(statementName))
{
Log.Info("Failed to find statement name '" + statementName + "' in collection");
}
if (statements.IsEmpty())
{
_variableToStmt.Remove(variableName);
if (!_configuredVariables.Contains(variableName))
{
_variableService.RemoveVariableIfFound(variableName);
_tableService.RemoveTableIfFound(variableName);
_namedWindowMgmtService.RemoveNamedWindowIfFound(variableName);
}
}
}
// remove from statements
var variables = _stmtToVariable.Get(statementName);
if (variables != null)
{
if (!variables.Remove(variableName))
{
Log.Info("Failed to find variable '" + variableName + "' in collection");
}
if (variables.IsEmpty())
{
_stmtToVariable.Remove(statementName);
}
}
}
public bool RemoveVariable(String name, bool force)
{
if (!force)
{
ICollection <String> statements = _statementVariableRef.GetStatementNamesForVar(name);
if ((statements != null) && (statements.IsNotEmpty()))
{
throw new ConfigurationException("Variable '" + name + "' is in use by one or more statements");
}
}
var reader = _variableService.GetReader(name, EPStatementStartMethodConst.DEFAULT_AGENT_INSTANCE_ID);
if (reader == null)
{
return(false);
}
_variableService.RemoveVariableIfFound(name);
_statementVariableRef.RemoveReferencesVariable(name);
_statementVariableRef.RemoveConfiguredVariable(name);
return(true);
}