core/runtime/src/main/java/org/apache/zest/runtime/composite/ConstraintInstance.java

/*
 * Copyright (c) 2008, Rickard Öberg. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

package org.apache.zest.runtime.composite;

import java.lang.annotation.Annotation;
import org.apache.zest.api.constraint.Constraint;

/**
 * JAVADOC
 */
public final class ConstraintInstance<A extends Annotation, T>
{
    private final Constraint<A, T> constraint;
    private final A annotation;

    public ConstraintInstance( Constraint<A, T> constraint, A annotation )
    {
        this.constraint = constraint;
        this.annotation = annotation;
    }

    public A annotation()
    {
        return annotation;
    }

    public boolean isValid( T value )
    {
        return constraint.isValid( annotation, value );
    }
}