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/*
 * Copyright (c) 2008-2018, Hazelcast, Inc. 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 com.hazelcast.query.impl.getters;

/**
 * NullMultiValue getter describes neutral behaviour for a {@link Getter}.
 * Always returns a MultiResult that indicates that the MultiValue object (Collection/Array) was null.
 */
public final class NullMultiValueGetter extends Getter {

    /**
     * Shared singleton instance of this class.
     */
    public static final NullMultiValueGetter NULL_MULTIVALUE_GETTER = new NullMultiValueGetter();

    private static final MultiResult NULL_MULTIVALUE_RESULT;

    static {
        MultiResult