Java Code Examples for org.apache.ibatis.reflection.SystemMetaObject

The following examples show how to use org.apache.ibatis.reflection.SystemMetaObject. These examples are extracted from open source projects. 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 Project: FEBS-Cloud Author: febsteam File: DataPermissionInterceptor.java License: 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();
}

Example #2

Source Project: tk-mybatis Author: godlike110 File: Example.java License: 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;
}

Example #3

Source Project: tk-mybatis Author: godlike110 File: Example.java License: 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;
}

Example #4

Source Project: tk-mybatis Author: godlike110 File: MapperTemplate.java License: 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);
        }
    }
}

Example #5

Source Project: mybaties Author: shurun19851206 File: MapWrapper.java License: 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;
    }
  }
}

Example #6

Source Project: mybaties Author: shurun19851206 File: MapWrapper.java License: 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;
    }
  }
}

Example #7

Source Project: mybaties Author: shurun19851206 File: MapWrapper.java License: 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());
  }
}

Example #8

Source Project: mybaties Author: shurun19851206 File: BeanWrapper.java License: 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);
  }
}

Example #9

Source Project: mybaties Author: shurun19851206 File: BeanWrapper.java License: 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);
  }
}

Example #10

Source Project: nano-framework Author: nano-projects File: AbstractDataSourceFactory.java License: 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);
    }
}

Example #11

Source Project: mybatis Author: tuguangquan File: MapWrapper.java License: 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;
    }
  }
}

Example #12

Source Project: mybatis Author: tuguangquan File: MapWrapper.java License: 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;
    }
  }
}

Example #13

Source Project: mybatis Author: tuguangquan File: MapWrapper.java License: 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());
  }
}

Example #14

Source Project: mybatis Author: tuguangquan File: BeanWrapper.java License: 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);
  }
}

Example #15

Source Project: mybatis Author: tuguangquan File: BeanWrapper.java License: 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);
  }
}

Example #16

Source Project: smaker Author: renzl321 File: DataScopeInterceptor.java License: GNU Lesser General Public License v3.0

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();
	}
}

Example #17

Source Project: Milkomeda Author: yizzuide File: MybatisUtil.java License: 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;
}

Example #18

Source Project: MeetingFilm Author: daydreamdev File: DataScopeInterceptor.java License: 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();
    }
}

Example #19

Source Project: code Author: lastwhispers File: DataScopeInterceptor.java License: 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();
    }
}

Example #20

Source Project: code Author: lastwhispers File: DataScopeInterceptor.java License: 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;
    }
}

Example #21

Source Project: Aooms Author: yuboon File: MetaObjectAssistant.java License: 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;
    }
}

Example #22

Source Project: pig Author: magicgis File: DataScopeInterceptor.java License: 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();
    }
}

Example #23

Source Project: tk-mybatis Author: godlike110 File: MapperTemplate.java License: 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));
}

Example #24

Source Project: tk-mybatis Author: godlike110 File: MapperTemplate.java License: MIT License

5 votes

/**
 * 重新设置SqlSource，同时判断如果是Jdbc3KeyGenerator，就设置为MultipleJdbc3KeyGenerator
 *
 * @param ms
 * @param sqlSource
 */
protected void setSqlSource(MappedStatement ms, SqlSource sqlSource) {
    MetaObject msObject = SystemMetaObject.forObject(ms);
    msObject.setValue("sqlSource", sqlSource);
    //如果是Jdbc3KeyGenerator，就设置为MultipleJdbc3KeyGenerator
    KeyGenerator keyGenerator = ms.getKeyGenerator();
    if (keyGenerator instanceof Jdbc3KeyGenerator) {
        msObject.setValue("keyGenerator", new MultipleJdbc3KeyGenerator());
    }
}

Example #25

Source Project: mybatis-generator-plugin Author: itfsw File: SqlHelper.java License: Apache License 2.0

5 votes

/**
 * 通过接口获取sql
 * @param mapper
 * @param methodName
 * @param args
 * @return
 */
public static String getMapperSql(Object mapper, String methodName, Object... args) {
    MetaObject metaObject = SystemMetaObject.forObject(mapper);
    SqlSession session = (SqlSession) metaObject.getValue("h.sqlSession");
    Class mapperInterface = (Class) metaObject.getValue("h.mapperInterface");
    String fullMethodName = mapperInterface.getCanonicalName() + "." + methodName;
    if (args == null || args.length == 0) {
        return getNamespaceSql(session, fullMethodName, null);
    } else {
        return getMapperSql(session, mapperInterface, methodName, args);
    }
}

Example #26

Source Project: azeroth Author: warlock-china File: GetByPrimaryKeyBuilder.java License: Apache License 2.0

5 votes

/**
 * 设置返回值类型
 *
 * @param ms
 * @param entityClass
 */
private static 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));
}

Example #27

Source Project: mybatis-dynamic-query Author: wz2cool File: BaseEnhancedMapperTemplate.java License: Apache License 2.0

5 votes

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

Example #28

Source Project: hsweb-framework Author: hs-web File: PagerInterceptor.java License: Apache License 2.0

5 votes

@Override
public Object plugin(Object target) {
    if (target instanceof StatementHandler) {
        StatementHandler statementHandler = (StatementHandler) target;
        MetaObject metaStatementHandler = SystemMetaObject.forObject(statementHandler);
        String sql = statementHandler.getBoundSql().getSql();
        Pager pager = Pager.getAndReset();

        String lower = sql.trim();

        if (lower.startsWith("select")) {
            if (lower.contains("count(")) {
                return Plugin.wrap(target, this);
            }
            String newSql = sql;
            if (pager != null) {
                newSql = EasyOrmSqlBuilder.getInstance()
                        .getActiveDatabase().getDialect()
                        .doPaging(sql, pager.pageIndex(), pager.pageSize());
            }
            Object queryEntity = statementHandler.getParameterHandler().getParameterObject();
            if (queryEntity instanceof QueryParam && ((QueryParam) queryEntity).isForUpdate()) {
                newSql = newSql + " for update";
            }
            metaStatementHandler.setValue("delegate.boundSql.sql", newSql);
        }

    }
    return Plugin.wrap(target, this);
}

Example #29

Source Project: jeesuite-libs Author: vakinge File: AbstractSelectMethodBuilder.java License: 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));
}

Example #30

Source Project: jeesuite-libs Author: vakinge File: CountAllBuilder.java License: Apache License 2.0

5 votes

@Override
void setResultType(Configuration configuration, MappedStatement statement, Class<?> entityClass) {
	ResultMap.Builder builder = new ResultMap.Builder(configuration, "long", Long.class, new ArrayList<>(), true);
	MetaObject metaObject = SystemMetaObject.forObject(statement);
	List<ResultMap> resultMaps = Arrays.asList(builder.build());
	metaObject.setValue("resultMaps", resultMaps);
}