org.apache.flink.cep.nfa

类 ComputationState

java.lang.Object

org.apache.flink.cep.nfa.ComputationState

public class ComputationState
extends Object

Helper class which encapsulates the currentStateName of the NFA computation. It points to the current currentStateName, the previous entry of the pattern, the current version and the starting timestamp of the overall pattern.

方法概要

限定符和类型	方法和说明
static ComputationState	createStartState(String state)
static ComputationState	createStartState(String state, DeweyNumber version)
static ComputationState	createState(String currentState, NodeId previousEntry, DeweyNumber version, long startTimestamp, long previousTimestamp, EventId startEventID)
boolean	equals(Object obj)
String	getCurrentStateName()
NodeId	getPreviousBufferEntry()
long	getPreviousTimestamp()
EventId	getStartEventID()
long	getStartTimestamp()
DeweyNumber	getVersion()
int	hashCode()
String	toString()

从类继承的方法 java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

方法详细资料

getStartEventID

public EventId getStartEventID()

getPreviousBufferEntry

public NodeId getPreviousBufferEntry()

getStartTimestamp

public long getStartTimestamp()

getPreviousTimestamp

public long getPreviousTimestamp()

getCurrentStateName

public String getCurrentStateName()

getVersion

public DeweyNumber getVersion()

equals

public boolean equals(Object obj)

覆盖:

equals 在类中 Object

toString

public String toString()

覆盖:

toString 在类中 Object

hashCode

public int hashCode()

覆盖:

hashCode 在类中 Object

createStartState

public static ComputationState createStartState(String state)

createStartState

public static ComputationState createStartState(String state,
                                                DeweyNumber version)

createState

public static ComputationState createState(String currentState,
                                           NodeId previousEntry,
                                           DeweyNumber version,
                                           long startTimestamp,
                                           long previousTimestamp,
                                           EventId startEventID)