content: /*
   * Copyright (C) 2010-2101 Alibaba Group Holding Limited.
   *
   * 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.alibaba.otter.node.extend.processor;
  
  import org.apache.commons.lang.StringUtils;
  
  import com.alibaba.otter.shared.etl.extend.processor.EventProcessor;
  import com.alibaba.otter.shared.etl.model.EventColumn;
  import com.alibaba.otter.shared.etl.model.EventData;
  
  /**
   * 业务自定义处理过程
   * 
   * @author jianghang 2012-6-25 下午02:26:36
   * @version 4.1.0
   */
  public class AbstractEventProcessor implements EventProcessor {
  
      public boolean process(EventData eventData) {
          // 默认啥都不处理
          return true;
      }
  
      protected EventColumn getColumn(EventData eventData, String columnName) {
          for (EventColumn column : eventData.getColumns()) {
              if (StringUtils.equalsIgnoreCase(column.getColumnName(), columnName)) {
                  return column;
              }
          }
  
          for (EventColumn column : eventData.getKeys()) {
              if (StringUtils.equalsIgnoreCase(column.getColumnName(), columnName)) {
                  return column;
              }
          }
          return null;
      }
  
  }
  