/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.shardingsphere.scaling.core.utils;

import java.util.Map;
import java.util.Set;

/**
 * Sharding columns util.
 */
public final class ShardingColumnsUtil {
    
    /**
     * Is Sharding column.
     *
     * @param shardingColumnsMap sharding columns map
     * @param tableName table name
     * @param columnName column name
     * @return boolean
     */
    public static boolean isShardingColumn(final Map<String, Set<String>> shardingColumnsMap,
                                           final String tableName, final String columnName) {
        return shardingColumnsMap.containsKey(tableName)
                && shardingColumnsMap.get(tableName).contains(columnName);
    }
}