Java Code Examples for org.apache.ibatis.reflection.MetaObject#getSetterType()

The following examples show how to use org.apache.ibatis.reflection.MetaObject#getSetterType() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: DefaultResultSetHandler.java    From mybatis with Apache License 2.0 6 votes vote down vote up 
private Object prepareCompositeKeyParameter(ResultSet rs, ResultMapping resultMapping, Class<?> parameterType, String columnPrefix) throws SQLException {
  final Object parameterObject = instantiateParameterObject(parameterType);
  final MetaObject metaObject = configuration.newMetaObject(parameterObject);
  boolean foundValues = false;
  for (ResultMapping innerResultMapping : resultMapping.getComposites()) {
    final Class<?> propType = metaObject.getSetterType(innerResultMapping.getProperty());
    final TypeHandler<?> typeHandler = typeHandlerRegistry.getTypeHandler(propType);
    final Object propValue = typeHandler.getResult(rs, prependPrefix(innerResultMapping.getColumn(), columnPrefix));
    // issue #353 & #560 do not execute nested query if key is null
    if (propValue != null) {
      metaObject.setValue(innerResultMapping.getProperty(), propValue);
      foundValues = true;
    }
  }
  return foundValues ? parameterObject : null;
}
Example 2
Source File: MapWrapper.java    From mybaties with Apache License 2.0 6 votes vote down vote up 
@Override
public Class<?> getSetterType(String name) {
  PropertyTokenizer prop = new PropertyTokenizer(name);
  if (prop.hasNext()) {
    MetaObject metaValue = metaObject.metaObjectForProperty(prop.getIndexedName());
    if (metaValue == SystemMetaObject.NULL_META_OBJECT) {
      return Object.class;
    } else {
      return metaValue.getSetterType(prop.getChildren());
    }
  } else {
    if (map.get(name) != null) {
      return map.get(name).getClass();
    } else {
      return Object.class;
    }
  }
}
Example 3
Source File: DefaultResultSetHandler.java    From mybatis with Apache License 2.0 6 votes vote down vote up 
private Object instantiateCollectionPropertyIfAppropriate(ResultMapping resultMapping, MetaObject metaObject) {
  final String propertyName = resultMapping.getProperty();
  Object propertyValue = metaObject.getValue(propertyName);
  if (propertyValue == null) {
    Class<?> type = resultMapping.getJavaType();
    if (type == null) {
      type = metaObject.getSetterType(propertyName);
    }
    try {
      if (objectFactory.isCollection(type)) {
        propertyValue = objectFactory.create(type);
        metaObject.setValue(propertyName, propertyValue);
        return propertyValue;
      }
    } catch (Exception e) {
      throw new ExecutorException("Error instantiating collection property for result '" + resultMapping.getProperty() + "'.  Cause: " + e, e);
    }
  } else if (objectFactory.isCollection(propertyValue.getClass())) {
    return propertyValue;
  }
  return null;
}
Example 4
Source File: DefaultResultSetHandler.java    From mybaties with Apache License 2.0 6 votes vote down vote up 
private Object instantiateCollectionPropertyIfAppropriate(ResultMapping resultMapping, MetaObject metaObject) {
  final String propertyName = resultMapping.getProperty();
  Object propertyValue = metaObject.getValue(propertyName);
  if (propertyValue == null) {
    Class<?> type = resultMapping.getJavaType();
    if (type == null) {
      type = metaObject.getSetterType(propertyName);
    }
    try {
      if (objectFactory.isCollection(type)) {
        propertyValue = objectFactory.create(type);
        metaObject.setValue(propertyName, propertyValue);
        return propertyValue;
      }
    } catch (Exception e) {
      throw new ExecutorException("Error instantiating collection property for result '" + resultMapping.getProperty() + "'.  Cause: " + e, e);
    }
  } else if (objectFactory.isCollection(propertyValue.getClass())) {
    return propertyValue;
  }
  return null;
}
Example 5
Source File: DefaultResultSetHandler.java    From mybaties with Apache License 2.0 6 votes vote down vote up 
private Object prepareCompositeKeyParameter(ResultSet rs, ResultMapping resultMapping, Class<?> parameterType, String columnPrefix) throws SQLException {
  final Object parameterObject = instantiateParameterObject(parameterType);
  final MetaObject metaObject = configuration.newMetaObject(parameterObject);
  boolean foundValues = false;
  for (ResultMapping innerResultMapping : resultMapping.getComposites()) {
    final Class<?> propType = metaObject.getSetterType(innerResultMapping.getProperty());
    final TypeHandler<?> typeHandler = typeHandlerRegistry.getTypeHandler(propType);
    final Object propValue = typeHandler.getResult(rs, prependPrefix(innerResultMapping.getColumn(), columnPrefix));
    // issue #353 & #560 do not execute nested query if key is null
    if (propValue != null) {
      metaObject.setValue(innerResultMapping.getProperty(), propValue);
      foundValues = true;
    }
  }
  return foundValues ? parameterObject : null;
}
Example 6
Source File: MapWrapper.java    From mybatis with Apache License 2.0 6 votes vote down vote up 
@Override
public Class<?> getSetterType(String name) {
  PropertyTokenizer prop = new PropertyTokenizer(name);
  if (prop.hasNext()) {
    MetaObject metaValue = metaObject.metaObjectForProperty(prop.getIndexedName());
    if (metaValue == SystemMetaObject.NULL_META_OBJECT) {
      return Object.class;
    } else {
      return metaValue.getSetterType(prop.getChildren());
    }
  } else {
    if (map.get(name) != null) {
      return map.get(name).getClass();
    } else {
      return Object.class;
    }
  }
}
Example 7
Source File: AbstractDataSourceFactory.java    From nano-framework with Apache License 2.0 5 votes vote down vote up 
private Object convertValue(final MetaObject metaDataSource, final String propertyName, final String value) {
    Object convertedValue = value;
    final Class<?> targetType = metaDataSource.getSetterType(propertyName);
    if (targetType == Integer.class || targetType == int.class) {
        convertedValue = Integer.valueOf(value);
    } else if (targetType == Long.class || targetType == long.class) {
        convertedValue = Long.valueOf(value);
    } else if (targetType == Boolean.class || targetType == boolean.class) {
        convertedValue = Boolean.valueOf(value);
    }
    return convertedValue;
}
Example 8
Source File: Jdbc3KeyGenerator.java    From mybatis with Apache License 2.0 5 votes vote down vote up 
private TypeHandler<?>[] getTypeHandlers(TypeHandlerRegistry typeHandlerRegistry, MetaObject metaParam, String[] keyProperties) {
  TypeHandler<?>[] typeHandlers = new TypeHandler<?>[keyProperties.length];
  for (int i = 0; i < keyProperties.length; i++) {
    if (metaParam.hasSetter(keyProperties[i])) {
      Class<?> keyPropertyType = metaParam.getSetterType(keyProperties[i]);
      TypeHandler<?> th = typeHandlerRegistry.getTypeHandler(keyPropertyType);
      typeHandlers[i] = th;
    }
  }
  return typeHandlers;
}
Example 9
Source File: DefaultResultSetHandler.java    From mybatis with Apache License 2.0 5 votes vote down vote up 
private boolean applyAutomaticMappings(ResultSetWrapper rsw, ResultMap resultMap, MetaObject metaObject, String columnPrefix) throws SQLException {
  final List<String> unmappedColumnNames = rsw.getUnmappedColumnNames(resultMap, columnPrefix);
  boolean foundValues = false;
  for (String columnName : unmappedColumnNames) {
    String propertyName = columnName;
    if (columnPrefix != null && !columnPrefix.isEmpty()) {
      // When columnPrefix is specified,
      // ignore columns without the prefix.
      if (columnName.toUpperCase(Locale.ENGLISH).startsWith(columnPrefix)) {
        propertyName = columnName.substring(columnPrefix.length());
      } else {
        continue;
      }
    }
    final String property = metaObject.findProperty(propertyName, configuration.isMapUnderscoreToCamelCase());
    if (property != null && metaObject.hasSetter(property)) {
      final Class<?> propertyType = metaObject.getSetterType(property);
      if (typeHandlerRegistry.hasTypeHandler(propertyType)) {
        final TypeHandler<?> typeHandler = rsw.getTypeHandler(propertyType, columnName);
        //巧妙的用TypeHandler取得结果
        final Object value = typeHandler.getResult(rsw.getResultSet(), columnName);
        // issue #377, call setter on nulls
        if (value != null || configuration.isCallSettersOnNulls()) {
          if (value != null || !propertyType.isPrimitive()) {
            //然后巧妙的用反射来设置到对象
            metaObject.setValue(property, value);
          }
          foundValues = true;
        }
      }
    }
  }
  return foundValues;
}
Example 10
Source File: BeanWrapper.java    From mybatis with Apache License 2.0 5 votes vote down vote up 
@Override
public Class<?> getSetterType(String name) {
  PropertyTokenizer prop = new PropertyTokenizer(name);
  if (prop.hasNext()) {
    MetaObject metaValue = metaObject.metaObjectForProperty(prop.getIndexedName());
    if (metaValue == SystemMetaObject.NULL_META_OBJECT) {
      return metaClass.getSetterType(name);
    } else {
      return metaValue.getSetterType(prop.getChildren());
    }
  } else {
    return metaClass.getSetterType(name);
  }
}
Example 11
Source File: UnpooledDataSourceFactory.java    From mybatis with Apache License 2.0 5 votes vote down vote up 
private Object convertValue(MetaObject metaDataSource, String propertyName, String value) {
  Object convertedValue = value;
  Class<?> targetType = metaDataSource.getSetterType(propertyName);
  if (targetType == Integer.class || targetType == int.class) {
    convertedValue = Integer.valueOf(value);
  } else if (targetType == Long.class || targetType == long.class) {
    convertedValue = Long.valueOf(value);
  } else if (targetType == Boolean.class || targetType == boolean.class) {
    convertedValue = Boolean.valueOf(value);
  }
  return convertedValue;
}
Example 12
Source File: CacheBuilder.java    From mybatis with Apache License 2.0 5 votes vote down vote up 
private void setCacheProperties(Cache cache) {
  if (properties != null) {
    MetaObject metaCache = SystemMetaObject.forObject(cache);
    //用反射设置额外的property属性
    for (Map.Entry<Object, Object> entry : properties.entrySet()) {
      String name = (String) entry.getKey();
      String value = (String) entry.getValue();
      if (metaCache.hasSetter(name)) {
        Class<?> type = metaCache.getSetterType(name);
        //下面就是各种基本类型的判断了，味同嚼蜡但是又不得不写
        if (String.class == type) {
          metaCache.setValue(name, value);
        } else if (int.class == type
            || Integer.class == type) {
          metaCache.setValue(name, Integer.valueOf(value));
        } else if (long.class == type
            || Long.class == type) {
          metaCache.setValue(name, Long.valueOf(value));
        } else if (short.class == type
            || Short.class == type) {
          metaCache.setValue(name, Short.valueOf(value));
        } else if (byte.class == type
            || Byte.class == type) {
          metaCache.setValue(name, Byte.valueOf(value));
        } else if (float.class == type
            || Float.class == type) {
          metaCache.setValue(name, Float.valueOf(value));
        } else if (boolean.class == type
            || Boolean.class == type) {
          metaCache.setValue(name, Boolean.valueOf(value));
        } else if (double.class == type
            || Double.class == type) {
          metaCache.setValue(name, Double.valueOf(value));
        } else {
          throw new CacheException("Unsupported property type for cache: '" + name + "' of type " + type);
        }
      }
    }
  }
}
Example 13
Source File: MultipleJdbc3KeyGenerator.java    From tk-mybatis with MIT License 5 votes vote down vote up 
private TypeHandler<?>[] getTypeHandlers(TypeHandlerRegistry typeHandlerRegistry, MetaObject metaParam, String[] keyProperties) {
    TypeHandler<?>[] typeHandlers = new TypeHandler<?>[keyProperties.length];
    for (int i = 0; i < keyProperties.length; i++) {
        if (metaParam.hasSetter(keyProperties[i])) {
            Class<?> keyPropertyType = metaParam.getSetterType(keyProperties[i]);
            TypeHandler<?> th = typeHandlerRegistry.getTypeHandler(keyPropertyType);
            typeHandlers[i] = th;
        }
    }
    return typeHandlers;
}
Example 14
Source File: Jdbc3KeyGenerator.java    From mybaties with Apache License 2.0 5 votes vote down vote up 
private TypeHandler<?>[] getTypeHandlers(TypeHandlerRegistry typeHandlerRegistry, MetaObject metaParam, String[] keyProperties) {
  TypeHandler<?>[] typeHandlers = new TypeHandler<?>[keyProperties.length];
  for (int i = 0; i < keyProperties.length; i++) {
    if (metaParam.hasSetter(keyProperties[i])) {
      Class<?> keyPropertyType = metaParam.getSetterType(keyProperties[i]);
      TypeHandler<?> th = typeHandlerRegistry.getTypeHandler(keyPropertyType);
      typeHandlers[i] = th;
    }
  }
  return typeHandlers;
}
Example 15
Source File: DefaultResultSetHandler.java    From mybaties with Apache License 2.0 5 votes vote down vote up 
private boolean applyAutomaticMappings(ResultSetWrapper rsw, ResultMap resultMap, MetaObject metaObject, String columnPrefix) throws SQLException {
  final List<String> unmappedColumnNames = rsw.getUnmappedColumnNames(resultMap, columnPrefix);
  boolean foundValues = false;
  for (String columnName : unmappedColumnNames) {
    String propertyName = columnName;
    if (columnPrefix != null && !columnPrefix.isEmpty()) {
      // When columnPrefix is specified,
      // ignore columns without the prefix.
      if (columnName.toUpperCase(Locale.ENGLISH).startsWith(columnPrefix)) {
        propertyName = columnName.substring(columnPrefix.length());
      } else {
        continue;
      }
    }
    final String property = metaObject.findProperty(propertyName, configuration.isMapUnderscoreToCamelCase());
    if (property != null && metaObject.hasSetter(property)) {
      final Class<?> propertyType = metaObject.getSetterType(property);
      if (typeHandlerRegistry.hasTypeHandler(propertyType)) {
        final TypeHandler<?> typeHandler = rsw.getTypeHandler(propertyType, columnName);
        //巧妙的用TypeHandler取得结果
        final Object value = typeHandler.getResult(rsw.getResultSet(), columnName);
        // issue #377, call setter on nulls
        if (value != null || configuration.isCallSettersOnNulls()) {
          if (value != null || !propertyType.isPrimitive()) {
            //然后巧妙的用反射来设置到对象
            metaObject.setValue(property, value);
          }
          foundValues = true;
        }
      }
    }
  }
  return foundValues;
}
Example 16
Source File: BeanWrapper.java    From mybaties with Apache License 2.0 5 votes vote down vote up 
@Override
public Class<?> getSetterType(String name) {
  PropertyTokenizer prop = new PropertyTokenizer(name);
  if (prop.hasNext()) {
    MetaObject metaValue = metaObject.metaObjectForProperty(prop.getIndexedName());
    if (metaValue == SystemMetaObject.NULL_META_OBJECT) {
      return metaClass.getSetterType(name);
    } else {
      return metaValue.getSetterType(prop.getChildren());
    }
  } else {
    return metaClass.getSetterType(name);
  }
}
Example 17
Source File: UnpooledDataSourceFactory.java    From mybaties with Apache License 2.0 5 votes vote down vote up 
private Object convertValue(MetaObject metaDataSource, String propertyName, String value) {
  Object convertedValue = value;
  Class<?> targetType = metaDataSource.getSetterType(propertyName);
  if (targetType == Integer.class || targetType == int.class) {
    convertedValue = Integer.valueOf(value);
  } else if (targetType == Long.class || targetType == long.class) {
    convertedValue = Long.valueOf(value);
  } else if (targetType == Boolean.class || targetType == boolean.class) {
    convertedValue = Boolean.valueOf(value);
  }
  return convertedValue;
}
Example 18
Source File: CacheBuilder.java    From mybaties with Apache License 2.0 5 votes vote down vote up 
private void setCacheProperties(Cache cache) {
  if (properties != null) {
    MetaObject metaCache = SystemMetaObject.forObject(cache);
    //用反射设置额外的property属性
    for (Map.Entry<Object, Object> entry : properties.entrySet()) {
      String name = (String) entry.getKey();
      String value = (String) entry.getValue();
      if (metaCache.hasSetter(name)) {
        Class<?> type = metaCache.getSetterType(name);
        //下面就是各种基本类型的判断了，味同嚼蜡但是又不得不写
        if (String.class == type) {
          metaCache.setValue(name, value);
        } else if (int.class == type
            || Integer.class == type) {
          metaCache.setValue(name, Integer.valueOf(value));
        } else if (long.class == type
            || Long.class == type) {
          metaCache.setValue(name, Long.valueOf(value));
        } else if (short.class == type
            || Short.class == type) {
          metaCache.setValue(name, Short.valueOf(value));
        } else if (byte.class == type
            || Byte.class == type) {
          metaCache.setValue(name, Byte.valueOf(value));
        } else if (float.class == type
            || Float.class == type) {
          metaCache.setValue(name, Float.valueOf(value));
        } else if (boolean.class == type
            || Boolean.class == type) {
          metaCache.setValue(name, Boolean.valueOf(value));
        } else if (double.class == type
            || Double.class == type) {
          metaCache.setValue(name, Double.valueOf(value));
        } else {
          throw new CacheException("Unsupported property type for cache: '" + name + "' of type " + type);
        }
      }
    }
  }
}