/*
 * Copyright (c) 2017 VMware Inc. All Rights Reserved.
 * SPDX-License-Identifier: Apache-2.0
 *
 * 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.hillview.table.api;

public interface IMutableMembershipSet {
    /**
     * Add this value to the membership set.
     */
    void add(int index);

    /**
     * Finish updating.
     * @return  A membership set that can be used in read mode.
     */
    IMembershipSet seal();

    /**
     * The number of elements currently in the set.
     */
    int size();
}
