content: /*
   * 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 com.aliyun.odps.lot.common;
  
  import java.util.Map;
  
  import apsara.odps.PartitionSpecProtos;
  
  public class PartitionSpecification {
  
    private Map<String, Constant> definition;
  
    public PartitionSpecification(Map<String, Constant> definition) {
      if (definition == null) {
        throw new ArgumentNullException("definition");
      }
      this.definition = definition;
    }
  
    public PartitionSpecProtos.PartitionSpec toProtoBuf() {
      PartitionSpecProtos.PartitionSpec.Builder
          builder =
          PartitionSpecProtos.PartitionSpec.newBuilder();
  
      for (Map.Entry<String, Constant> kv : definition.entrySet()) {
        PartitionSpecProtos.PartitionSpec.Items.Builder
            ps =
            PartitionSpecProtos.PartitionSpec.Items.newBuilder();
        ps.setKey(kv.getKey());
        ps.setValue(kv.getValue().toProtoBuf().getConstant());
        builder.addItems(ps.build());
      }
  
      return builder.build();
    }
  }
  