com.espertech.esper.rowregex.RegexNFAState Maven / Gradle / Ivy
package com.espertech.esper.rowregex;
import com.espertech.esper.client.EventBean;
import com.espertech.esper.epl.expression.ExprEvaluatorContext;
import java.util.List;
/**
* Match-recognize NFA states provides this information.
*/
public interface RegexNFAState
{
/**
* For multiple-quantifiers.
* @return indicator
*/
public boolean isMultiple();
/**
* Returns the nested node number.
* @return num
*/
public String getNodeNumNested();
/**
* Returns the absolute node num.
* @return num
*/
public int getNodeNumFlat();
/**
* Returns the variable name.
* @return name
*/
public String getVariableName();
/**
* Returns stream number.
* @return stream num
*/
public int getStreamNum();
/**
* Returns greedy indicator.
* @return greedy indicator
*/
public Boolean isGreedy();
/**
* Evaluate a match.
* @param eventsPerStream variabele values
* @param exprEvaluatorContext expression evaluation context
* @return match indicator
*/
public boolean matches(EventBean[] eventsPerStream, ExprEvaluatorContext exprEvaluatorContext);
/**
* Returns the next states.
* @return states
*/
public List getNextStates();
}
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