public virtual IReturnVector executeFunction(Rete engine, IParameter[] params_Renamed)
{
bool saved = false;
bool sortid = true;
DefaultReturnVector rv = new DefaultReturnVector();
if (params_Renamed != null && params_Renamed.Length >= 1)
{
if (params_Renamed[1] != null && params_Renamed[1].StringValue.Equals("template"))
{
sortid = false;
}
try
{
StreamWriter writer = new StreamWriter(params_Renamed[0].StringValue);
System.Collections.Generic.IList <Object> facts = engine.AllFacts;
Object[] sorted = null;
if (sortid)
{
sorted = FactUtils.sortFacts(facts);
}
else
{
sorted = FactUtils.sortFactsByTemplate(facts);
}
for (int idx = 0; idx < sorted.Length; idx++)
{
Deffact ft = (Deffact)sorted[idx];
writer.Write(ft.toPPString() + Constants.LINEBREAK);
}
writer.Close();
saved = true;
}
catch (IOException e)
{
// we should log this
}
}
DefaultReturnValue drv = new DefaultReturnValue(Constants.BOOLEAN_OBJECT, saved);
rv.addReturnValue(drv);
return(rv);
}
public virtual String toPPString(IParameter[] params_Renamed, int indents)
{
if (params_Renamed != null && params_Renamed.Length > 0)
{
StringBuilder buf = new StringBuilder();
buf.Append("(assert-temporal ");
for (int idx = 0; idx < params_Renamed.Length; idx++)
{
// the parameter should be a deffact
Deffact fact = (Deffact)params_Renamed[idx].Value;
buf.Append(fact.toPPString());
}
buf.Append(" )");
return(buf.ToString());
}
else
{
return("(assert-temporal [deffact])");
}
}