org.calrissian.accumulorecipes.commons.iterators.support

Class QueryEvaluator

java.lang.Object

org.calrissian.accumulorecipes.commons.iterators.support.QueryEvaluator

public class QueryEvaluator
extends Object

This class evaluates events against a criteria. The criteria is passed to the constructor and then parsed. It is evaluated against an event in the evaluate method.

Constructor Summary

Constructors

Constructor and Description
QueryEvaluator(String query)
QueryEvaluator(String query, boolean insensitive)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	evaluate(EventFields eventFields) Evaluates the criteria against an event.
String	getModifiedQuery()
String	getQuery()
void	printLiterals()
StringBuilder	rewriteQuery(StringBuilder query, String fieldName, Collection<EventFields.FieldValue> fieldValues)
void	setLevel(org.apache.log4j.Level lev)

Methods inherited from class java.lang.Object

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

Constructor Detail

QueryEvaluator

public QueryEvaluator(String query)
               throws org.apache.commons.jexl2.parser.ParseException

Throws:

org.apache.commons.jexl2.parser.ParseException

QueryEvaluator

public QueryEvaluator(String query,
              boolean insensitive)
               throws org.apache.commons.jexl2.parser.ParseException

Throws:

org.apache.commons.jexl2.parser.ParseException

Method Detail

getQuery

public String getQuery()

printLiterals

public void printLiterals()

setLevel

public void setLevel(org.apache.log4j.Level lev)

rewriteQuery

public StringBuilder rewriteQuery(StringBuilder query,
                         String fieldName,
                         Collection<EventFields.FieldValue> fieldValues)

evaluate

public boolean evaluate(EventFields eventFields)

Evaluates the criteria against an event.

Parameters:

eventFields -

getModifiedQuery

public String getModifiedQuery()

Returns:

rewritten criteria that was evaluated against the most recent event