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/*
 * Copyright 2021 EPAM Systems, Inc
 *
 * See the NOTICE file distributed with this work for additional information
 * regarding copyright ownership. 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.epam.deltix.util.collections;

import java.util.*;

/**
 *
 */
public class Sets {
    public static int   getUnionSize (Set a, Set b) {
        int     sizeA = a.size ();
        int     sizeB = b.size ();
        
        if (sizeA < sizeB) {
            for (Object p : a)
                if (b.contains (p))
                    sizeB--;
        }
        else {
            for (Object p : b)
                if (a.contains (p))
                    sizeA--;
        }
        
        return (sizeA + sizeB);
    }    
}