PBTerm sendAtom(string commandName, string argument)
{
lock (this) {
if (parentSession != null)
{
return(parentSession.sendAtom(commandName, argument));
}
try {
initSend();
// Write a fastrw term
output.writeCompound(commandName, 1);
output.writeAtom(argument);
output.commit();
return(parser.parseProlog(input));
} catch (System.IO.IOException e) {
if (PrologSession.debugging())
{
PrologSession.WriteStackTrace(e, Console.Error);
}
close();
return(null);
} finally {
finishSend();
}
}
}
// Close connection when things have gone wrong...
void close()
{
// System.out.println("Closing Connection...");
try {
sendTime = -1L;
if (output != null)
{
output.close();
output = null;
}
if (input != null)
{
input.Close();
input = null;
}
if (connection != null)
{
connection.Close();
connection = null;
}
} catch (Exception e) {
if (PrologSession.debugging())
{
PrologSession.WriteStackTrace(e, Console.Error);
}
}
}
/// <summary> Returns <code>true</code> if this {@link se.sics.prologbeans.PBTerm} is a
/// proper list and all of its elements are character codes or one character
/// atoms. Returns <code>false</code> otherwise.
/// </summary>
/// <returns> whether the argument is a string
/// </returns>
public virtual bool isString()
{
if (PrologSession.debugging())
{
Console.Error.WriteLine("Entering PBTerm.isString()");
}
return(false);
}
public void Run()
{
do
{
try {
Thread.Sleep(oneSecond);
checkQueries();
} catch (Exception e) {
if (PrologSession.debugging())
{
Console.Error.WriteLine("PBMonitor: monitor caught an exception:");
PrologSession.WriteStackTrace(e, Console.Error);
}
}
} while (true);
}