com.espertech.esper.rowregex
Class RegexNFAStrand

java.lang.Object
  com.espertech.esper.rowregex.RegexNFAStrand

public class RegexNFAStrand
extends java.lang.Object

A strand of one or more NFA states that has a list of start states, end states and a list of all states in the strand.

Constructor Summary

RegexNFAStrand(java.util.List<RegexNFAStateBase> startStates, java.util.List<RegexNFAStateBase> endStates, java.util.List<RegexNFAStateBase> allStates, boolean passthrough)
Ctor.

Method Summary

java.util.List<RegexNFAStateBase>	getAllStates() Returns all states.
java.util.List<RegexNFAStateBase>	getEndStates() Returns the end states.
java.util.List<RegexNFAStateBase>	getStartStates() Returns the start states.
boolean	isPassthrough() Returns indicator if passing-through (zero-or-more multiplicity for all NFA states in strand).

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RegexNFAStrand

public RegexNFAStrand(java.util.List<RegexNFAStateBase> startStates,
                      java.util.List<RegexNFAStateBase> endStates,
                      java.util.List<RegexNFAStateBase> allStates,
                      boolean passthrough)

Ctor.

Parameters:

startStates - start states

endStates - end states

allStates - all states

passthrough - true if this strand passes through (zero-or-more multiplicity for all NFA in strand)

Method Detail

getStartStates

public java.util.List<RegexNFAStateBase> getStartStates()

Returns the start states.

Returns:

start states

getEndStates

public java.util.List<RegexNFAStateBase> getEndStates()

Returns the end states.

Returns:

end states

getAllStates

public java.util.List<RegexNFAStateBase> getAllStates()

Returns all states.

Returns:

all states

isPassthrough

public boolean isPassthrough()

Returns indicator if passing-through (zero-or-more multiplicity for all NFA states in strand).

Returns:

pass-through