/**
* Performs a filter of the entries.
*
* @param context
* @return a set whose each element is a set of entries that are coherent alltogether
*/
private Set<GrammarEntries> filter(PolarityContext context) {
if (logger.isDebugEnabled()) logger.debug("Polarity keys: " + context.getAllKeys());
PolarityAutomaton automaton = new PolarityAutomaton();
automaton.createAutomaton(context);
if (logger.isDebugEnabled()) logger.debug("Automaton:\n" + automaton.toString());
Set<GrammarEntries> ret = new HashSet<GrammarEntries>();
for (PolarityPath path : automaton.getPathsToFinalStates(context)) {
System.out.println("Path: " + path);
ret.add(new GrammarEntries(path.collectEntries()));
}
return ret;
}
/**
* Performs a filter of the entries.
*
* @param context
* @return a set whose each element is a set of entries that are coherent alltogether
*/
public Set<GrammarEntries> filter(PolarityContext context) {
PolarityAutomaton automaton = new PolarityAutomaton();
automaton.createAutomaton(context);
// logger.fine("0-key automaton: " + automaton.size()+"\n"+automaton);
// logger.fine("0-key automaton: " + automaton.size());
for (PolarityKey key : context.getAllKeys()) {
PolarityAutomaton newAutomaton = new PolarityAutomaton(key);
newAutomaton.extendAutomaton(automaton, context);
automaton = newAutomaton;
// logger.fine(key+" automaton: " + automaton.size()+"\n"+automaton);
// logger.fine(key + " automaton: " + automaton.size());
}
// System.out.println(automaton);
Set<GrammarEntries> ret = new HashSet<GrammarEntries>();
for (PolarityPath path : automaton.getPathsToFinalStates(context)) {
// System.out.println("Path: " + path);
ret.add(new GrammarEntries(path.collectEntries()));
}
return ret;
}