org.apache.ibatis.reflection.SystemMetaObject Java Exaples

Source File: Example.java From tk-mybatis with MIT License

6 votes

/**
 * 将此对象的不为空的字段参数作为相等查询条件
 *
 * @param param 参数对象
 * @author Bob {@link}[email protected]
 * @Date 2015年7月17日 下午12:48:08
 */
public Criteria andEqualTo(Object param) {
    MetaObject metaObject = SystemMetaObject.forObject(param);
    String[] properties = metaObject.getGetterNames();
    for (String property : properties) {
        //属性和列对应Map中有此属性
        if (propertyMap.get(property) != null) {
            Object value = metaObject.getValue(property);
            //属性值不为空
            if (value != null) {
                andEqualTo(property, value);
            }
        }
    }
    return (Criteria) this;
}

Source File: MapWrapper.java From mybaties with Apache License 2.0

6 votes

@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;
    }
  }
}

Source File: MapWrapper.java From mybaties with Apache License 2.0

6 votes

@Override
public Class<?> getGetterType(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.getGetterType(prop.getChildren());
    }
  } else {
    if (map.get(name) != null) {
      return map.get(name).getClass();
    } else {
      return Object.class;
    }
  }
}

Source File: MapWrapper.java From mybaties with Apache License 2.0

6 votes

@Override
public boolean hasGetter(String name) {
  PropertyTokenizer prop = new PropertyTokenizer(name);
  if (prop.hasNext()) {
    if (map.containsKey(prop.getIndexedName())) {
      MetaObject metaValue = metaObject.metaObjectForProperty(prop.getIndexedName());
      if (metaValue == SystemMetaObject.NULL_META_OBJECT) {
        return true;
      } else {
        return metaValue.hasGetter(prop.getChildren());
      }
    } else {
      return false;
    }
  } else {
    return map.containsKey(prop.getName());
  }
}

Source File: BeanWrapper.java From mybaties with Apache License 2.0

6 votes

@Override
public boolean hasSetter(String name) {
  PropertyTokenizer prop = new PropertyTokenizer(name);
  if (prop.hasNext()) {
    if (metaClass.hasSetter(prop.getIndexedName())) {
      MetaObject metaValue = metaObject.metaObjectForProperty(prop.getIndexedName());
      if (metaValue == SystemMetaObject.NULL_META_OBJECT) {
        return metaClass.hasSetter(name);
      } else {
        return metaValue.hasSetter(prop.getChildren());
      }
    } else {
      return false;
    }
  } else {
    return metaClass.hasSetter(name);
  }
}

Source File: BeanWrapper.java From mybaties with Apache License 2.0

6 votes

@Override
public boolean hasGetter(String name) {
  PropertyTokenizer prop = new PropertyTokenizer(name);
  if (prop.hasNext()) {
    if (metaClass.hasGetter(prop.getIndexedName())) {
      MetaObject metaValue = metaObject.metaObjectForProperty(prop.getIndexedName());
      if (metaValue == SystemMetaObject.NULL_META_OBJECT) {
        return metaClass.hasGetter(name);
      } else {
        return metaValue.hasGetter(prop.getChildren());
      }
    } else {
      return false;
    }
  } else {
    return metaClass.hasGetter(name);
  }
}

Source File: MapperTemplate.java From tk-mybatis with MIT License

6 votes

/**
 * 检查是否配置过缓存
 *
 * @param ms
 * @throws Exception
 */
private void checkCache(MappedStatement ms) throws Exception {
    if (ms.getCache() == null) {
        String nameSpace = ms.getId().substring(0, ms.getId().lastIndexOf("."));
        Cache cache;
        try {
            //不存在的时候会抛出异常
            cache = ms.getConfiguration().getCache(nameSpace);
        } catch (IllegalArgumentException e) {
            return;
        }
        if (cache != null) {
            MetaObject metaObject = SystemMetaObject.forObject(ms);
            metaObject.setValue("cache", cache);
        }
    }
}

Source File: AbstractDataSourceFactory.java From nano-framework with Apache License 2.0

6 votes

@Override
public void setProperties(final Properties properties) {
    final Properties driverProperties = new Properties();
    final MetaObject metaDataSource = SystemMetaObject.forObject(dataSource);
    for (final Object key : properties.keySet()) {
        final String propertyName = (String) key;
        if (metaDataSource.hasSetter(propertyName)) {
            final String value = (String) properties.get(propertyName);
            /**　对没有设置值的属性跳过设置 */
            if (StringUtils.isNotEmpty(value) && value.startsWith("${") && value.endsWith("}")) {
                continue;
            }

            final Object convertedValue = convertValue(metaDataSource, propertyName, value);
            metaDataSource.setValue(propertyName, convertedValue);
        } else {
            throw new DataSourceException("Unknown DataSource property: " + propertyName);
        }
    }

    if (driverProperties.size() > 0) {
        metaDataSource.setValue("driverProperties", driverProperties);
    }
}

Source File: Example.java From tk-mybatis with MIT License

6 votes

/**
 * 将此对象的所有字段参数作为相等查询条件，如果字段为 null，则为 is null
 *
 * @param param 参数对象
 */
public Criteria andAllEqualTo(Object param) {
    MetaObject metaObject = SystemMetaObject.forObject(param);
    String[] properties = metaObject.getGetterNames();
    for (String property : properties) {
        //属性和列对应Map中有此属性
        if (propertyMap.get(property) != null) {
            Object value = metaObject.getValue(property);
            //属性值不为空
            if (value != null) {
                andEqualTo(property, value);
            } else {
                andIsNull(property);
            }
        }
    }
    return (Criteria) this;
}

Source File: MapWrapper.java From mybatis with Apache License 2.0

6 votes

@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;
    }
  }
}

Source File: MapWrapper.java From mybatis with Apache License 2.0

6 votes

@Override
public Class<?> getGetterType(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.getGetterType(prop.getChildren());
    }
  } else {
    if (map.get(name) != null) {
      return map.get(name).getClass();
    } else {
      return Object.class;
    }
  }
}

Source File: MapWrapper.java From mybatis with Apache License 2.0

6 votes

@Override
public boolean hasGetter(String name) {
  PropertyTokenizer prop = new PropertyTokenizer(name);
  if (prop.hasNext()) {
    if (map.containsKey(prop.getIndexedName())) {
      MetaObject metaValue = metaObject.metaObjectForProperty(prop.getIndexedName());
      if (metaValue == SystemMetaObject.NULL_META_OBJECT) {
        return true;
      } else {
        return metaValue.hasGetter(prop.getChildren());
      }
    } else {
      return false;
    }
  } else {
    return map.containsKey(prop.getName());
  }
}

Source File: BeanWrapper.java From mybatis with Apache License 2.0

6 votes

@Override
public boolean hasSetter(String name) {
  PropertyTokenizer prop = new PropertyTokenizer(name);
  if (prop.hasNext()) {
    if (metaClass.hasSetter(prop.getIndexedName())) {
      MetaObject metaValue = metaObject.metaObjectForProperty(prop.getIndexedName());
      if (metaValue == SystemMetaObject.NULL_META_OBJECT) {
        return metaClass.hasSetter(name);
      } else {
        return metaValue.hasSetter(prop.getChildren());
      }
    } else {
      return false;
    }
  } else {
    return metaClass.hasSetter(name);
  }
}

Source File: BeanWrapper.java From mybatis with Apache License 2.0

6 votes

@Override
public boolean hasGetter(String name) {
  PropertyTokenizer prop = new PropertyTokenizer(name);
  if (prop.hasNext()) {
    if (metaClass.hasGetter(prop.getIndexedName())) {
      MetaObject metaValue = metaObject.metaObjectForProperty(prop.getIndexedName());
      if (metaValue == SystemMetaObject.NULL_META_OBJECT) {
        return metaClass.hasGetter(name);
      } else {
        return metaValue.hasGetter(prop.getChildren());
      }
    } else {
      return false;
    }
  } else {
    return metaClass.hasGetter(name);
  }
}

Source File: DataPermissionInterceptor.java From FEBS-Cloud with Apache License 2.0

6 votes

@Override
public Object intercept(Invocation invocation) throws Throwable {
    StatementHandler statementHandler = PluginUtils.realTarget(invocation.getTarget());
    MetaObject metaObject = SystemMetaObject.forObject(statementHandler);
    this.sqlParser(metaObject);
    MappedStatement mappedStatement = (MappedStatement) metaObject.getValue("delegate.mappedStatement");

    BoundSql boundSql = (BoundSql) metaObject.getValue("delegate.boundSql");
    Object paramObj = boundSql.getParameterObject();
    // 数据权限只针对查询语句
    if (SqlCommandType.SELECT == mappedStatement.getSqlCommandType()) {
        DataPermission dataPermission = getDataPermission(mappedStatement);
        if (shouldFilter(mappedStatement, dataPermission)) {
            String id = mappedStatement.getId();
            log.info("\n 数据权限过滤 method -> {}", id);
            String originSql = boundSql.getSql();
            String dataPermissionSql = dataPermissionSql(originSql, dataPermission);
            metaObject.setValue("delegate.boundSql.sql", dataPermissionSql);
            log.info("\n originSql -> {} \n dataPermissionSql: {}", originSql, dataPermissionSql);
        }
    }
    return invocation.proceed();
}

Source File: AbstractSelectMethodBuilder.java From jeesuite-libs with Apache License 2.0

5 votes

@Override
void setResultType(Configuration configuration, MappedStatement ms, Class<?> entityClass) {
      List<ResultMap> resultMaps = new ArrayList<ResultMap>();
      resultMaps.add(getResultMap(configuration,entityClass));
      MetaObject metaObject = SystemMetaObject.forObject(ms);
      metaObject.setValue("resultMaps", Collections.unmodifiableList(resultMaps));
}

Source File: CacheBuilder.java From mybatis with Apache License 2.0

5 votes

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);
        }
      }
    }
  }
}

Source File: BeanWrapper.java From mybatis with Apache License 2.0

5 votes

@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);
  }
}

Source File: BeanWrapper.java From mybatis with Apache License 2.0

5 votes

@Override
public Class<?> getGetterType(String name) {
  PropertyTokenizer prop = new PropertyTokenizer(name);
  if (prop.hasNext()) {
    MetaObject metaValue = metaObject.metaObjectForProperty(prop.getIndexedName());
    if (metaValue == SystemMetaObject.NULL_META_OBJECT) {
      return metaClass.getGetterType(name);
    } else {
      return metaValue.getGetterType(prop.getChildren());
    }
  } else {
    return metaClass.getGetterType(name);
  }
}

Source File: BeanWrapper.java From mybaties with Apache License 2.0

5 votes

@Override
public Class<?> getGetterType(String name) {
  PropertyTokenizer prop = new PropertyTokenizer(name);
  if (prop.hasNext()) {
    MetaObject metaValue = metaObject.metaObjectForProperty(prop.getIndexedName());
    if (metaValue == SystemMetaObject.NULL_META_OBJECT) {
      return metaClass.getGetterType(name);
    } else {
      return metaValue.getGetterType(prop.getChildren());
    }
  } else {
    return metaClass.getGetterType(name);
  }
}

Source File: BeanWrapper.java From mybaties with Apache License 2.0

5 votes

@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);
  }
}

Source File: MyBatisUtils.java From platform with Apache License 2.0

5 votes

/**
 * 获取真实代理对象
 *
 * @param target Object
 * @param <T>    T
 * @return T
 */
public static Object getTarget(Object target) {
    if (Proxy.isProxyClass(target.getClass())) {
        MetaObject metaObject = SystemMetaObject.forObject(target);
        return getTarget(metaObject.getValue("h.target"));
    }
    return target;
}

Source File: MyBatisUtils.java From platform with Apache License 2.0

5 votes

/**
 * 获取真实代理对象
 *
 * @param target Object
 * @param <T>    T
 * @return T
 */
public static <T> T getRealTarget(Object target) {
    if (Proxy.isProxyClass(target.getClass())) {
        MetaObject metaObject = SystemMetaObject.forObject(target);
        return getRealTarget(metaObject.getValue("h.target"));
    }
    return (T) target;
}

Source File: MapperTemplate.java From tk-mybatis with MIT License

5 votes

/**
 * 设置返回值类型 - 为了让typeHandler在select时有效，改为设置resultMap
 *
 * @param ms
 * @param entityClass
 */
protected void setResultType(MappedStatement ms, Class<?> entityClass) {
    EntityTable entityTable = EntityHelper.getEntityTable(entityClass);
    List<ResultMap> resultMaps = new ArrayList<ResultMap>();
    resultMaps.add(entityTable.getResultMap(ms.getConfiguration()));
    MetaObject metaObject = SystemMetaObject.forObject(ms);
    metaObject.setValue("resultMaps", Collections.unmodifiableList(resultMaps));
}

Source File: MybatisUtil.java From Milkomeda with MIT License

5 votes

/**
 * 获得真正的处理对象,可能多层代理
 * @param target    代理目标
 * @param <T>       目标类型
 * @return  被代理的真实对象
 */
@SuppressWarnings("unchecked")
public static <T> T realTarget(Object target) {
    if (Proxy.isProxyClass(target.getClass())) {
        MetaObject metaObject = SystemMetaObject.forObject(target);
        return realTarget(metaObject.getValue("h.target"));
    }
    return (T) target;
}

Source File: DataScopeInterceptor.java From MeetingFilm with Apache License 2.0

5 votes

@Override
public Object intercept(Invocation invocation) throws Throwable {
    StatementHandler statementHandler = (StatementHandler) PluginUtils.realTarget(invocation.getTarget());
    MetaObject metaStatementHandler = SystemMetaObject.forObject(statementHandler);
    MappedStatement mappedStatement = (MappedStatement) metaStatementHandler.getValue("delegate.mappedStatement");

    if (!SqlCommandType.SELECT.equals(mappedStatement.getSqlCommandType())) {
        return invocation.proceed();
    }

    BoundSql boundSql = (BoundSql) metaStatementHandler.getValue("delegate.boundSql");
    String originalSql = boundSql.getSql();
    Object parameterObject = boundSql.getParameterObject();

    //查找参数中包含DataScope类型的参数
    DataScope dataScope = findDataScopeObject(parameterObject);

    if (dataScope == null) {
        return invocation.proceed();
    } else {
        String scopeName = dataScope.getScopeName();
        List<Integer> deptIds = dataScope.getDeptIds();
        String join = CollectionKit.join(deptIds, ",");
        originalSql = "select * from (" + originalSql + ") temp_data_scope where temp_data_scope." + scopeName + " in (" + join + ")";
        metaStatementHandler.setValue("delegate.boundSql.sql", originalSql);
        return invocation.proceed();
    }
}

Source File: DataScopeInterceptor.java From code with Apache License 2.0

5 votes

@Override
public Object intercept(Invocation invocation) throws Throwable {
    StatementHandler statementHandler = (StatementHandler) realTarget(invocation.getTarget());
    MetaObject metaStatementHandler = SystemMetaObject.forObject(statementHandler);
    MappedStatement mappedStatement = (MappedStatement) metaStatementHandler.getValue("delegate.mappedStatement");

    if (!SqlCommandType.SELECT.equals(mappedStatement.getSqlCommandType())) {
        return invocation.proceed();
    }

    BoundSql boundSql = (BoundSql) metaStatementHandler.getValue("delegate.boundSql");
    String originalSql = boundSql.getSql();
    Object parameterObject = boundSql.getParameterObject();

    //查找参数中包含DataScope类型的参数
    DataScope dataScope = findDataScopeObject(parameterObject);

    if (dataScope == null) {
        return invocation.proceed();
    } else {
        String scopeName = dataScope.getScopeName();
        List<Integer> deptIds = dataScope.getDeptIds();
        String join = join(deptIds, ",");
        originalSql = "select * from (" + originalSql + ") temp_data_scope where temp_data_scope." + scopeName + " in (" + join + ")";

        metaStatementHandler.setValue("delegate.boundSql.sql", originalSql);
        return invocation.proceed();
    }
}

Source File: DataScopeInterceptor.java From code with Apache License 2.0

5 votes

private static Object realTarget(Object target) {
    if (Proxy.isProxyClass(target.getClass())) {
        MetaObject metaObject = SystemMetaObject.forObject(target);
        return realTarget(metaObject.getValue("h.target"));
    } else {
        return target;
    }
}

Source File: MetaObjectAssistant.java From Aooms with Apache License 2.0

5 votes

public static Object realTarget(Object target) {
    if (Proxy.isProxyClass(target.getClass())) {
        MetaObject metaObject = SystemMetaObject.forObject(target);
        return realTarget(metaObject.getValue("h.target"));
    } else {
        return target;
    }
}

Source File: DataScopeInterceptor.java From pig with MIT License

5 votes

@Override
public Object intercept(Invocation invocation) throws Throwable {
    StatementHandler statementHandler = (StatementHandler) PluginUtils.realTarget(invocation.getTarget());
    MetaObject metaObject = SystemMetaObject.forObject(statementHandler);
    this.sqlParser(metaObject);
    // 先判断是不是SELECT操作
    MappedStatement mappedStatement = (MappedStatement) metaObject.getValue("delegate.mappedStatement");
    if (!SqlCommandType.SELECT.equals(mappedStatement.getSqlCommandType())) {
        return invocation.proceed();
    }

    BoundSql boundSql = (BoundSql) metaObject.getValue("delegate.boundSql");
    String originalSql = boundSql.getSql();
    Object parameterObject = boundSql.getParameterObject();

    //查找参数中包含DataScope类型的参数
    DataScope dataScope = findDataScopeObject(parameterObject);

    if (dataScope == null) {
        return invocation.proceed();
    } else {
        String scopeName = dataScope.getScopeName();
        List<Integer> deptIds = dataScope.getDeptIds();
        if(StrUtil.isNotBlank(scopeName) && CollectionUtil.isNotEmpty(deptIds)){
            String join = CollectionUtil.join(deptIds, ",");
            originalSql = "select * from (" + originalSql + ") temp_data_scope where temp_data_scope." + scopeName + " in (" + join + ")";
            metaObject.setValue("delegate.boundSql.sql", originalSql);
        }
        return invocation.proceed();
    }
}

org.apache.ibatis.reflection.SystemMetaObject Java Examples