er.neo4jadaptor.query.neo4j_eval.evaluators

Class BoolEvaluator<T extends org.neo4j.graphdb.PropertyContainer>

java.lang.Object

er.neo4jadaptor.query.neo4j_eval.evaluators.BoolEvaluator<T>

Type Parameters:

T -

All Implemented Interfaces:

Evaluator<T>, HasCost

public final class BoolEvaluator<T extends org.neo4j.graphdb.PropertyContainer>
extends Object
implements Evaluator<T>

Evaluates candidates to match some or all of some other Evaluators building something equivalent to logical sentences.

Author:

Jedrzej Sobanski

Field Summary

Fields

Modifier and Type	Field and Description
Comparator<HasCost>	COST_COMPARATOR

Method Summary

Modifier and Type	Method and Description
static <T extends org.neo4j.graphdb.PropertyContainer> Evaluator<T>	and(Iterable<Evaluator<T>> evaluators)
boolean	evaluate(T candidate) Perform object evaluation.
Cost	getCost()
static <T extends org.neo4j.graphdb.PropertyContainer> Evaluator<T>	or(Iterable<Evaluator<T>> evaluators)
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

COST_COMPARATOR

public Comparator<HasCost> COST_COMPARATOR

Method Detail

and

public static <T extends org.neo4j.graphdb.PropertyContainer> Evaluator<T> and(Iterable<Evaluator<T>> evaluators)

or

public static <T extends org.neo4j.graphdb.PropertyContainer> Evaluator<T> or(Iterable<Evaluator<T>> evaluators)

evaluate

public boolean evaluate(T candidate)

Description copied from interface: Evaluator

Perform object evaluation.

Specified by:

evaluate in interface Evaluator<T extends org.neo4j.graphdb.PropertyContainer>

Parameters:

candidate - object to be evaluated

Returns:

true if t matches criteria

getCost

public Cost getCost()

Specified by:

getCost in interface HasCost

toString

public String toString()

Overrides:

toString in class Object