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Java Predicate with SQL-like syntax support

There is a newer version: 2.1.2

package org.joo.libra.logic;

import org.joo.libra.Predicate;
import org.joo.libra.PredicateContext;
import org.joo.libra.common.CompositionPredicate;
import org.joo.libra.support.PredicateExecutionException;

public class NotPredicate extends CompositionPredicate {

	private Predicate predicate;
	
	public NotPredicate(Predicate predicate) {
		this.predicate = predicate;
	}

	@Override
	public boolean satisfiedBy(PredicateContext context) throws PredicateExecutionException {
		return !predicate.satisfiedBy(context);
	}
}