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.task;
  
  import com.aliyun.odps.rest.SimpleXmlUtils;
  import com.aliyun.odps.simpleframework.xml.Element;
  import com.aliyun.odps.simpleframework.xml.Root;
  import com.aliyun.odps.simpleframework.xml.convert.Convert;
  import java.util.Map;
  
  import com.aliyun.odps.Instance;
  import com.aliyun.odps.Odps;
  import com.aliyun.odps.OdpsException;
  import com.aliyun.odps.Task;
  import com.google.gson.GsonBuilder;
  
  /**
   * SQLCoastTask的定义
   *
   * @author garr.feng
   */
  
  @Root(name = "SQLCost", strict = false)
  public class SQLCostTask extends Task {
  
    @Element(name = "Query", required = false)
    @Convert(SimpleXmlUtils.EmptyStringConverter.class)
    private String query;
  
    public SQLCostTask() {
      setProperty("sqlcostmode", "sqlcostmode");
    }
  
    public String getQuery() {
      return query;
    }
  
    /**
     * 设置SQL查询语句
     *
     * @param query
     */
    public void setQuery(String query) {
      this.query = query;
    }
  
    /**
     * 通过匿名Instance运行SQLCostTask
     *
     * @param odps
     * @param sql
     * @return
     * @throws OdpsException
     */
    public static Instance run(Odps odps, String sql) throws OdpsException {
      String project = odps.getDefaultProject();
      if (project == null) {
        throw new OdpsException("default project required.");
      }
      return run(odps, project, sql, "AnonymousSQLCostTask", null);
    }
  
    /**
     * 通过匿名Instance运行SQLCostTask
     *
     * @param odps
     * @param project
     * @param sql
     * @param hints
     * @return
     * @throws OdpsException
     */
    public static Instance run(Odps odps, String project, String sql, Map<String, String> hints)
        throws OdpsException {
      return run(odps, project, sql, "AnonymousSQLCostTask", hints);
    }
  
    /**
     * 运行SQLCostTask
     *
     * @param odps
     * @param project
     * @param sql
     * @param taskName
     * @param hints
     * @return
     * @throws OdpsException
     */
    public static Instance run(Odps odps, String project, String sql,
                               String taskName, Map<String, String> hints) throws OdpsException {
      SQLCostTask task = new SQLCostTask();
      task.setQuery(sql);
      task.setName(taskName);
      if (hints != null) {
        try {
          String json = new GsonBuilder().disableHtmlEscaping().create().toJson(hints);
          task.setProperty("settings", json);
        } catch (Exception e) {
          throw new OdpsException(e.getMessage(), e);
        }
      }
      return odps.instances().create(project, task);
    }
  }
  