com.cloudera.nav.sdk.model.HiveIdGenerator.java Source code

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/*
 * Copyright (c) 2015 Cloudera, Inc.
 *
 * 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.cloudera.nav.sdk.model;

import com.google.common.base.Preconditions;

import org.apache.commons.lang.StringUtils;

public class HiveIdGenerator {

    public static String generateTableId(String sourceId, String databaseName, String tableName) {
        Preconditions.checkArgument(
                !StringUtils.isEmpty(sourceId) && !StringUtils.isEmpty(databaseName)
                        && !StringUtils.isEmpty(tableName),
                "SourceId, database name, and table name must be supplied to " + "generate Hive table identity");
        return MD5IdGenerator.generateIdentity(sourceId, databaseName.toUpperCase(), tableName.toUpperCase());
    }

    public static String generateColumnId(String sourceId, String databaseName, String tableName,
            String columnName) {
        Preconditions.checkArgument(
                !StringUtils.isEmpty(sourceId) && !StringUtils.isEmpty(databaseName)
                        && !StringUtils.isEmpty(tableName) && !StringUtils.isEmpty(columnName),
                "SourceId, database name, table name, and column name must be "
                        + "supplied to generate Hive column identity");
        return MD5IdGenerator.generateIdentity(sourceId, databaseName.toUpperCase(), tableName.toUpperCase(),
                columnName.toUpperCase());
    }
}