How to use
createLooping
method
in
org.apache.flink.cep.nfa.compiler.NFACompiler$NFAFactoryCompiler

Best Java code snippets using org.apache.flink.cep.nfa.compiler.NFACompiler$NFAFactoryCompiler.createLooping (Showing top 4 results out of 315)

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private State<T> convertPattern(final State<T> sinkState) {
  final State<T> lastSink;
  final Quantifier quantifier = currentPattern.getQuantifier();
  if (quantifier.hasProperty(Quantifier.QuantifierProperty.LOOPING)) {
    // if loop has started then all notPatterns previous to the optional states are no longer valid
    setCurrentGroupPatternFirstOfLoop(false);
    final State<T> sink = copyWithoutTransitiveNots(sinkState);
    final State<T> looping = createLooping(sink);
    setCurrentGroupPatternFirstOfLoop(true);
    lastSink = createTimesState(looping, sinkState, currentPattern.getTimes());
  } else if (quantifier.hasProperty(Quantifier.QuantifierProperty.TIMES)) {
    lastSink = createTimesState(sinkState, sinkState, currentPattern.getTimes());
  } else {
    lastSink = createSingletonState(sinkState);
  }
  addStopStates(lastSink);
  return lastSink;
}

private State<T> convertPattern(final State<T> sinkState) {
  final State<T> lastSink;
  final Quantifier quantifier = currentPattern.getQuantifier();
  if (quantifier.hasProperty(Quantifier.QuantifierProperty.LOOPING)) {
    // if loop has started then all notPatterns previous to the optional states are no longer valid
    setCurrentGroupPatternFirstOfLoop(false);
    final State<T> sink = copyWithoutTransitiveNots(sinkState);
    final State<T> looping = createLooping(sink);
    setCurrentGroupPatternFirstOfLoop(true);
    lastSink = createTimesState(looping, sinkState, currentPattern.getTimes());
  } else if (quantifier.hasProperty(Quantifier.QuantifierProperty.TIMES)) {
    lastSink = createTimesState(sinkState, sinkState, currentPattern.getTimes());
  } else {
    lastSink = createSingletonState(sinkState);
  }
  addStopStates(lastSink);
  return lastSink;
}

private State<T> convertPattern(final State<T> sinkState) {
  final State<T> lastSink;
  final Quantifier quantifier = currentPattern.getQuantifier();
  if (quantifier.hasProperty(Quantifier.QuantifierProperty.LOOPING)) {
    // if loop has started then all notPatterns previous to the optional states are no longer valid
    setCurrentGroupPatternFirstOfLoop(false);
    final State<T> sink = copyWithoutTransitiveNots(sinkState);
    final State<T> looping = createLooping(sink);
    setCurrentGroupPatternFirstOfLoop(true);
    lastSink = createTimesState(looping, sinkState, currentPattern.getTimes());
  } else if (quantifier.hasProperty(Quantifier.QuantifierProperty.TIMES)) {
    lastSink = createTimesState(sinkState, sinkState, currentPattern.getTimes());
  } else {
    lastSink = createSingletonState(sinkState);
  }
  addStopStates(lastSink);
  return lastSink;
}

private State<T> convertPattern(final State<T> sinkState) {
  final State<T> lastSink;
  final Quantifier quantifier = currentPattern.getQuantifier();
  if (quantifier.hasProperty(Quantifier.QuantifierProperty.LOOPING)) {
    // if loop has started then all notPatterns previous to the optional states are no longer valid
    final State<T> sink = copyWithoutTransitiveNots(sinkState);
    final State<T> looping = createLooping(sink);
    if (!quantifier.hasProperty(Quantifier.QuantifierProperty.OPTIONAL)) {
      lastSink = createInitMandatoryStateOfOneOrMore(looping);
    } else {
      lastSink = createInitOptionalStateOfZeroOrMore(looping, sinkState);
    }
  } else if (quantifier.hasProperty(Quantifier.QuantifierProperty.TIMES)) {
    lastSink = createTimesState(sinkState, currentPattern.getTimes());
  } else {
    lastSink = createSingletonState(sinkState);
  }
  addStopStates(lastSink);
  return lastSink;
}

Javadoc

Creates the given state as a looping one. Looping state is one with TAKE edge to itself and PROCEED edge to the sinkState. It also consists of a similar state without the PROCEED edge, so that for each PROCEED transition branches in computation state graph can be created only once.

Popular methods of NFACompiler$NFAFactoryCompiler

<init>
compileFactory
Compiles the given pattern into a NFAFactory. The NFA factory can be used to create multiple NFAs.
getStates
addStopStateToLooping
addStopStates
convertPattern
copyWithoutTransitiveNots
This method creates an alternative state that is target for TAKE transition from an optional State.
createEndingState
Creates the dummy Final State of the NFA graph.
createMiddleStates
Creates all the states between Start and Final state.
createSingletonState
Creates a simple single state. For an OPTIONAL state it also consists of a similar state without the
createStartState
Creates the Start State of the resulting NFA graph.
createState
Creates a state with State.StateType#Normal and adds it to the collection of created states. Should

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How to use createLoopingmethodin org.apache.flink.cep.nfa.compiler.NFACompiler$NFAFactoryCompiler

Best Java code snippets using org.apache.flink.cep.nfa.compiler.NFACompiler$NFAFactoryCompiler.createLooping (Showing top 4 results out of 315)

How to use
createLooping
method
in
org.apache.flink.cep.nfa.compiler.NFACompiler$NFAFactoryCompiler