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/*
 *  Copyright (c) 2017 Uber Technologies, Inc. ([email protected])
 *
 *  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.uber.hoodie;

import com.uber.hoodie.common.model.HoodieKey;
import com.uber.hoodie.common.util.TypedProperties;
import org.apache.avro.generic.GenericRecord;

/**
 * Simple Key generator for unpartitioned Hive Tables
 */
public class NonpartitionedKeyGenerator extends SimpleKeyGenerator {

  private static final String EMPTY_PARTITION = "";

  public NonpartitionedKeyGenerator(TypedProperties props) {
    super(props);
  }

  @Override
  public HoodieKey getKey(GenericRecord record) {
    String recordKey = DataSourceUtils.getNestedFieldValAsString(record, recordKeyField);
    return new HoodieKey(recordKey, EMPTY_PARTITION);
  }
}