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.List;
  
  import apsara.odps.lot.ExpressionProtos;
  
  public class TemporaryFunction {
  
    private String name;
    private List<Resource> resources;
    private String className;
    private Language language;
  
    public TemporaryFunction(String name, List<Resource> resources, String className,
                             Language language) {
      if (name == null) {
        throw new ArgumentNullException("name");
      }
  
      if (resources == null) {
        throw new ArgumentNullException("resources");
      }
      if (resources.size() == 0) {
        throw new IllegalArgumentException(
            "You must specify one resource at least for the temporary function '" + name + "' .");
      }
  
      if (className == null) {
        throw new ArgumentNullException("className");
      }
  
      this.name = name;
      this.resources = resources;
      this.className = className;
      this.language = language;
    }
  
    public String getName() {
      return name;
    }
  
    public List<Resource> getResources() {
      return resources;
    }
  
    public String getClassName() {
      return className;
    }
  
    public Language getLanguage() {
      return language;
    }
  
    public ExpressionProtos.TemporaryFunction toProtoBuf() {
      ExpressionProtos.TemporaryFunction.Builder
          builder =
          ExpressionProtos.TemporaryFunction.newBuilder();
      builder.setName(name);
      builder.setClassName(className);
  
      for (Resource res : resources) {
        ExpressionProtos.TemporaryFunction.Resources.Builder
            r =
            ExpressionProtos.TemporaryFunction.Resources.newBuilder();
        r.setProject(res.getProject());
        r.setResourceName(res.getName());
        builder.addResources(r.build());
      }
  
      builder.setLanguage(language.toProtoBuf());
  
      return builder.build();
    }
  }
  