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/*
 * Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Distribution License v. 1.0, which is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

package com.sun.xml.bind.v2.model.nav;

import java.lang.reflect.Type;
import java.lang.reflect.WildcardType;
import java.util.Arrays;

/**
 * @author Kohsuke Kawaguchi
 */
final class WildcardTypeImpl implements WildcardType {

    private final Type[] ub;
    private final Type[] lb;

    public WildcardTypeImpl(Type[] ub, Type[] lb) {
        this.ub = ub;
        this.lb = lb;
    }

    public Type[] getUpperBounds() {
        return ub;
    }

    public Type[] getLowerBounds() {
        return lb;
    }

    public int hashCode() {
        return Arrays.hashCode(lb) ^ Arrays.hashCode(ub);
    }

    public boolean equals(Object obj) {
        if (obj instanceof WildcardType) {
            WildcardType that = (WildcardType) obj;
            return Arrays.equals(that.getLowerBounds(),lb)
                && Arrays.equals(that.getUpperBounds(),ub);
        }
        return false;
    }
}