content: /*
   * Copyright (c) 2013. wyouflf (wyouflf@gmail.com)
   *
   * 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.lidroid.xutils.db.table;
  
  import com.lidroid.xutils.db.annotation.NoAutoIncrement;
  import com.lidroid.xutils.util.LogUtils;
  
  import java.lang.reflect.Field;
  import java.util.HashSet;
  
  public class Id extends Column {
  
      private String columnFieldClassName;
      private boolean isAutoIncrementChecked = false;
      private boolean isAutoIncrement = false;
  
      /* package */ Id(Class<?> entityType, Field field) {
          super(entityType, field);
          columnFieldClassName = columnField.getType().getName();
      }
  
      public boolean isAutoIncrement() {
          if (!isAutoIncrementChecked) {
              isAutoIncrementChecked = true;
              isAutoIncrement = columnField.getAnnotation(NoAutoIncrement.class) == null
                      && AUTO_INCREMENT_TYPES.contains(columnFieldClassName);
          }
          return isAutoIncrement;
      }
  
      public void setAutoIncrementId(Object entity, long value) {
          Object idValue = value;
          if (INTEGER_TYPES.contains(columnFieldClassName)) {
              idValue = (int) value;
          }
  
          if (setMethod != null) {
              try {
                  setMethod.invoke(entity, idValue);
              } catch (Throwable e) {
                  LogUtils.e(e.getMessage(), e);
              }
          } else {
              try {
                  this.columnField.setAccessible(true);
                  this.columnField.set(entity, idValue);
              } catch (Throwable e) {
                  LogUtils.e(e.getMessage(), e);
              }
          }
      }
  
      @Override
      public Object getColumnValue(Object entity) {
          Object idValue = super.getColumnValue(entity);
          if (idValue != null) {
              if (this.isAutoIncrement() && (idValue.equals(0) || idValue.equals(0L))) {
                  return null;
              } else {
                  return idValue;
              }
          }
          return null;
      }
  
      private static final HashSet<String> INTEGER_TYPES = new HashSet<String>(2);
      private static final HashSet<String> AUTO_INCREMENT_TYPES = new HashSet<String>(4);
  
      static {
          INTEGER_TYPES.add(int.class.getName());
          INTEGER_TYPES.add(Integer.class.getName());
  
          AUTO_INCREMENT_TYPES.addAll(INTEGER_TYPES);
          AUTO_INCREMENT_TYPES.add(long.class.getName());
          AUTO_INCREMENT_TYPES.add(Long.class.getName());
      }
  }
  