com.espertech.esper.rowregex
Class RegexPartitionState

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

public class RegexPartitionState
extends java.lang.Object

All current state holding partial NFA matches.

Constructor Summary

RegexPartitionState(RegexPartitionStateRandomAccessGetter getter, java.util.List<RegexNFAStateEntry> currentStates, boolean hasInterval)
Ctor.

RegexPartitionState(RegexPartitionStateRandomAccessGetter getter, java.util.List<RegexNFAStateEntry> currentStates, java.lang.Object optionalKeys, boolean hasInterval)
Ctor.

RegexPartitionState(RegexPartitionStateRandomAccessImpl randomAccess, java.lang.Object optionalKeys, boolean hasInterval)
Ctor.

Method Summary

void	addCallbackItem(RegexNFAStateEntry endState) Add a callback item for intervals.
java.util.List<RegexNFAStateEntry>	getCallbackItems() Returns the interval states, if any.
java.util.List<RegexNFAStateEntry>	getCurrentStates() Returns partial matches.
java.lang.Integer	getNumIntervalCallbackItems()
int	getNumStates()
java.lang.Object	getOptionalKeys() Returns partition keys, if any.
RegexPartitionStateRandomAccessImpl	getRandomAccess() Returns the random access for "prev".
boolean	isCallbackScheduled() Returns indicator if callback is schedule.
void	removeEventFromPrev(EventBean oldEvent) Remove an event from random access for "prev".
void	removeEventFromPrev(EventBean[] oldEvents) Remove an event from random access for "prev".
boolean	removeEventFromState(EventBean oldEvent) Remove an event from state.
void	setCallbackScheduled(boolean callbackScheduled) Returns indicator if callback is schedule.
void	setCurrentStates(java.util.List<RegexNFAStateEntry> currentStates) Sets partial matches.

Methods inherited from class java.lang.Object

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

Constructor Detail

RegexPartitionState

public RegexPartitionState(RegexPartitionStateRandomAccessImpl randomAccess,
                           java.lang.Object optionalKeys,
                           boolean hasInterval)

Ctor.

Parameters:

randomAccess - for handling "prev" functions, if any

optionalKeys - keys for "partition", if any

hasInterval - true if an interval is provided

RegexPartitionState

public RegexPartitionState(RegexPartitionStateRandomAccessGetter getter,
                           java.util.List<RegexNFAStateEntry> currentStates,
                           boolean hasInterval)

Ctor.

Parameters:

getter - for "prev" access

currentStates - existing state

hasInterval - true for interval

RegexPartitionState

public RegexPartitionState(RegexPartitionStateRandomAccessGetter getter,
                           java.util.List<RegexNFAStateEntry> currentStates,
                           java.lang.Object optionalKeys,
                           boolean hasInterval)

Ctor.

Parameters:

getter - for "prev" access

currentStates - existing state

optionalKeys - partition keys if any

hasInterval - true for interval

Method Detail

getRandomAccess

public RegexPartitionStateRandomAccessImpl getRandomAccess()

Returns the random access for "prev".

Returns:

access

getCurrentStates

public java.util.List<RegexNFAStateEntry> getCurrentStates()

Returns partial matches.

Returns:

state

setCurrentStates

public void setCurrentStates(java.util.List<RegexNFAStateEntry> currentStates)

Sets partial matches.

Parameters:

currentStates - state to set

getOptionalKeys

public java.lang.Object getOptionalKeys()

Returns partition keys, if any.

Returns:

keys

removeEventFromPrev

public void removeEventFromPrev(EventBean[] oldEvents)

Remove an event from random access for "prev".

Parameters:

oldEvents - to remove

removeEventFromPrev

public void removeEventFromPrev(EventBean oldEvent)

Remove an event from random access for "prev".

Parameters:

oldEvent - to remove

removeEventFromState

public boolean removeEventFromState(EventBean oldEvent)

Remove an event from state.

Parameters:

oldEvent - to remove

Returns:

true for removed, false for not found

getCallbackItems

public java.util.List<RegexNFAStateEntry> getCallbackItems()

Returns the interval states, if any.

Returns:

interval states

isCallbackScheduled

public boolean isCallbackScheduled()

Returns indicator if callback is schedule.

Returns:

scheduled indicator

setCallbackScheduled

public void setCallbackScheduled(boolean callbackScheduled)

Returns indicator if callback is schedule.

Parameters:

callbackScheduled - true if scheduled

addCallbackItem

public void addCallbackItem(RegexNFAStateEntry endState)

Add a callback item for intervals.

Parameters:

endState - to add

getNumStates

public int getNumStates()

getNumIntervalCallbackItems

public java.lang.Integer getNumIntervalCallbackItems()