How to use

createEndingState

method

in

org.apache.flink.cep.nfa.compiler.NFACompiler$NFAFactoryCompiler

/**
 * Compiles the given pattern into a {@link NFAFactory}. The NFA factory can be used to create
 * multiple NFAs.
 */
void compileFactory() {
  if (currentPattern.getQuantifier().getConsumingStrategy() == Quantifier.ConsumingStrategy.NOT_FOLLOW) {
    throw new MalformedPatternException("NotFollowedBy is not supported as a last part of a Pattern!");
  }
  checkPatternNameUniqueness();
  checkPatternSkipStrategy();
  // we're traversing the pattern from the end to the beginning --> the first state is the final state
  State<T> sinkState = createEndingState();
  // add all the normal states
  sinkState = createMiddleStates(sinkState);
  // add the beginning state
  createStartState(sinkState);
}

/**
 * Compiles the given pattern into a {@link NFAFactory}. The NFA factory can be used to create
 * multiple NFAs.
 */
void compileFactory() {
  if (currentPattern.getQuantifier().getConsumingStrategy() == Quantifier.ConsumingStrategy.NOT_FOLLOW) {
    throw new MalformedPatternException("NotFollowedBy is not supported as a last part of a Pattern!");
  }
  // we're traversing the pattern from the end to the beginning --> the first state is the final state
  State<T> sinkState = createEndingState();
  // add all the normal states
  sinkState = createMiddleStates(sinkState);
  // add the beginning state
  createStartState(sinkState);
}

/**
 * Compiles the given pattern into a {@link NFAFactory}. The NFA factory can be used to create
 * multiple NFAs.
 */
void compileFactory() {
  if (currentPattern.getQuantifier().getConsumingStrategy() == Quantifier.ConsumingStrategy.NOT_FOLLOW) {
    throw new MalformedPatternException("NotFollowedBy is not supported as a last part of a Pattern!");
  }
  checkPatternNameUniqueness();
  checkPatternSkipStrategy();
  // we're traversing the pattern from the end to the beginning --> the first state is the final state
  State<T> sinkState = createEndingState();
  // add all the normal states
  sinkState = createMiddleStates(sinkState);
  // add the beginning state
  createStartState(sinkState);
}

/**
 * Compiles the given pattern into a {@link NFAFactory}. The NFA factory can be used to create
 * multiple NFAs.
 */
void compileFactory() {
  if (currentPattern.getQuantifier().getConsumingStrategy() == Quantifier.ConsumingStrategy.NOT_FOLLOW) {
    throw new MalformedPatternException("NotFollowedBy is not supported as a last part of a Pattern!");
  }
  checkPatternNameUniqueness();
  checkPatternSkipStrategy();
  // we're traversing the pattern from the end to the beginning --> the first state is the final state
  State<T> sinkState = createEndingState();
  // add all the normal states
  sinkState = createMiddleStates(sinkState);
  // add the beginning state
  createStartState(sinkState);
}