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.shared.common.model.config.data;
  
  import java.io.Serializable;
  
  import org.apache.commons.lang.StringUtils;
  
  /**
   * @author simon 2012-10-16 下午7:46:42
   * @version 4.1.0
   */
  public class ExtensionData implements Serializable, Comparable<ExtensionData> {
  
      private static final long serialVersionUID = 5697237591471377596L;
      private ExtensionDataType extensionDataType;
      private String            clazzPath;
      private String            sourceText;
      private Long              timestamp;
  
      public ExtensionData(){
          this.timestamp = System.currentTimeMillis();
      }
  
      public ExtensionDataType getExtensionDataType() {
          return extensionDataType;
      }
  
      public void setExtensionDataType(ExtensionDataType extensionDataType) {
          this.extensionDataType = extensionDataType;
      }
  
      public String getClazzPath() {
          return clazzPath;
      }
  
      public void setClazzPath(String clazzPath) {
          this.clazzPath = clazzPath;
      }
  
      public String getSourceText() {
          return sourceText;
      }
  
      public void setSourceText(String sourceText) {
          this.sourceText = sourceText;
      }
  
      public Long getTimestamp() {
          return timestamp;
      }
  
      public void setTimestamp(Long timestamp) {
          this.timestamp = timestamp;
      }
  
      public boolean isBlank() {
          return !isNotBlank();
      }
  
      public boolean isNotBlank() {
          return (StringUtils.isNotBlank(clazzPath) || StringUtils.isNotBlank(sourceText));
      }
  
      @Override
      public int compareTo(ExtensionData o) {
          if (this.timestamp < o.getTimestamp()) {
              return -1;
          } else if (this.timestamp > o.getTimestamp()) {
              return 1;
          } else {
              return 0;
          }
      }
  
      @Override
      public int hashCode() {
          final int prime = 31;
          int result = 1;
          result = prime * result + ((clazzPath == null) ? 0 : clazzPath.hashCode());
          result = prime * result + ((extensionDataType == null) ? 0 : extensionDataType.hashCode());
          result = prime * result + ((sourceText == null) ? 0 : sourceText.hashCode());
          return result;
      }
  
      @Override
      public boolean equals(Object obj) {
          if (this == obj) return true;
          if (obj == null) return false;
          if (getClass() != obj.getClass()) return false;
          ExtensionData other = (ExtensionData) obj;
          if (clazzPath == null) {
              if (other.clazzPath != null) return false;
          } else if (!clazzPath.equals(other.clazzPath)) return false;
          if (extensionDataType != other.extensionDataType) return false;
          if (sourceText == null) {
              if (other.sourceText != null) return false;
          } else if (!sourceText.equals(other.sourceText)) return false;
          return true;
      }
  
  }
  