public GqlEngineState(GqlEngineExecutionState executionState)
{
ExecutionState = executionState;
Variables = new Dictionary<string, Variable> (StringComparer.InvariantCultureIgnoreCase);
Views = new Dictionary<string, ViewDefinition> (StringComparer.InvariantCultureIgnoreCase);
AutoSize = 0;
ColumnDelimiter = "\t";
Warnings = new List<Exception> ();
}
public void Initialize(GqlQueryState gqlQueryState)
{
this.gqlQueryState = gqlQueryState;
gqlEngineExecutionState = gqlQueryState.CurrentExecutionState;
string fileName;
if (this.fileName.StartsWith ("#")) {
fileName = Path.Combine (gqlQueryState.TempDirectory, this.fileName);
} else {
fileName = Path.Combine (gqlQueryState.CurrentDirectory, this.fileName);
}
streamReader = new StreamReader (new AsyncStreamReader (new FileStream (fileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite, 32 * 1024), 32 * 1024));
record = new ProviderRecord (this, true);
record.Source = fileName;
dataString = new DataString ();
record.Columns [0] = dataString;
for (long i = 0; i < skip; i++) {
if (streamReader.ReadLine () == null) {
streamReader.Close ();
streamReader = null;
return;
}
}
}
public void Uninitialize()
{
record = null;
if (streamReader != null) {
streamReader.Close ();
streamReader.Dispose ();
}
streamReader = null;
gqlEngineExecutionState = null;
}
