package io.prestosql.plugin.splitmanager;
/*
 * Copyright (C) 2018-2021. Huawei Technologies Co., Ltd. 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.
 */
import java.util.StringJoiner;

import static com.google.common.base.Strings.isNullOrEmpty;

public final class TableSplitUtil
{
    private TableSplitUtil()
    {
    }

    public static String generateTableFullName(String catalogName, String schemaName, String tableName)
    {
        StringJoiner joiner = new StringJoiner(".");

        if (!isNullOrEmpty(catalogName)) {
            joiner.add(catalogName);
        }

        if (!isNullOrEmpty(schemaName)) {
            joiner.add(schemaName);
        }

        if (!isNullOrEmpty(tableName)) {
            joiner.add(tableName);
        }

        return joiner.toString();
    }
}
