Package org.apache.ibatis.reflection

Examples of org.apache.ibatis.reflection.MetaObject

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    if (parameterMappings.size() > 0 && parameterObject != null) {
      TypeHandlerRegistry typeHandlerRegistry = ms.getConfiguration().getTypeHandlerRegistry();
      if (typeHandlerRegistry.hasTypeHandler(parameterObject.getClass())) {
        cacheKey.update(parameterObject);
      } else {
        MetaObject metaObject = configuration.newMetaObject(parameterObject);
        for (ParameterMapping parameterMapping : parameterMappings) {
          String propertyName = parameterMapping.getProperty();
          if (metaObject.hasGetter(propertyName)) {
            cacheKey.update(metaObject.getValue(propertyName));
          } else if (boundSql.hasAdditionalParameter(propertyName)) {
            cacheKey.update(boundSql.getAdditionalParameter(propertyName));
          }
        }
      }
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  // HANDLE OUTPUT PARAMETER
  //

  public void handleOutputParameters(CallableStatement cs) throws SQLException {
    final Object parameterObject = parameterHandler.getParameterObject();
    final MetaObject metaParam = configuration.newMetaObject(parameterObject);
    final List<ParameterMapping> parameterMappings = boundSql.getParameterMappings();
    for (int i = 0; i < parameterMappings.size(); i++) {
      final ParameterMapping parameterMapping = parameterMappings.get(i);
      if (parameterMapping.getMode() == ParameterMode.OUT || parameterMapping.getMode() == ParameterMode.INOUT) {
        if ("java.sql.ResultSet".equalsIgnoreCase(parameterMapping.getJavaType().getName())) {
          handleRefCursorOutputParameter(cs, parameterMapping, i, metaParam);
        } else {
          final TypeHandler typeHandler = parameterMapping.getTypeHandler();
          if (typeHandler == null) {
            throw new ExecutorException("Type handler was null on parameter mapping for property " + parameterMapping.getProperty() + ".  " +
                "It was either not specified and/or could not be found for the javaType / jdbcType combination specified.");
          }
          metaParam.setValue(parameterMapping.getProperty(), typeHandler.getResult(cs, i + 1));
        }
      }
    }
  }
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    final List<String> mappedColumnNames = new ArrayList<String>();
    final List<String> unmappedColumnNames = new ArrayList<String>();
    final ResultLoaderMap lazyLoader = instantiateResultLoaderMap();
    Object resultObject = createResultObject(rs, resultMap, lazyLoader);
    if (resultObject != null && !typeHandlerRegistry.hasTypeHandler(resultMap.getType())) {
      final MetaObject metaObject = configuration.newMetaObject(resultObject);
      loadMappedAndUnmappedColumnNames(rs, resultMap, mappedColumnNames, unmappedColumnNames);
      boolean foundValues = resultMap.getConstructorResultMappings().size() > 0;
      if (!AutoMappingBehavior.NONE.equals(configuration.getAutoMappingBehavior())) {
        foundValues = applyAutomaticMappings(rs, unmappedColumnNames, metaObject) || foundValues;
      }
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    return typeHandler.getResult(rs, resultMapping.getColumn());
  }

  protected Object prepareCompositeKeyParameter(ResultSet rs, ResultMapping resultMapping, Class parameterType) throws SQLException {
    final Object parameterObject = instantiateParameterObject(parameterType);
    final MetaObject metaObject = configuration.newMetaObject(parameterObject);
    for (ResultMapping innerResultMapping : resultMapping.getComposites()) {
      final Class propType = metaObject.getSetterType(innerResultMapping.getProperty());
      final TypeHandler typeHandler = typeHandlerRegistry.getTypeHandler(propType);
      final Object propValue = typeHandler.getResult(rs, innerResultMapping.getColumn());
      metaObject.setValue(innerResultMapping.getProperty(), propValue);
    }
    return parameterObject;
  }
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  //

  protected Object getRowValue(ResultSet rs, ResultMap resultMap, CacheKey rowKey) throws SQLException {
    if (globalRowValueCache.containsKey(rowKey)) {
      final Object resultObject = globalRowValueCache.get(rowKey);
      final MetaObject metaObject = configuration.newMetaObject(resultObject);
      applyNestedResultMappings(rs, resultMap, metaObject);
      return resultObject;
    } else {
      final List<String> mappedColumnNames = new ArrayList<String>();
      final List<String> unmappedColumnNames = new ArrayList<String>();
      final ResultLoaderMap lazyLoader = instantiateResultLoaderMap();
      Object resultObject = createResultObject(rs, resultMap, lazyLoader);
      if (resultObject != null && !typeHandlerRegistry.hasTypeHandler(resultMap.getType())) {
        final MetaObject metaObject = configuration.newMetaObject(resultObject);
        loadMappedAndUnmappedColumnNames(rs, resultMap, mappedColumnNames, unmappedColumnNames);
        boolean foundValues = resultMap.getConstructorResultMappings().size() > 0;
        if (AutoMappingBehavior.FULL.equals(configuration.getAutoMappingBehavior())) {
          foundValues = applyAutomaticMappings(rs, unmappedColumnNames, metaObject) || foundValues;
        }
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  }

  private BasicDataSource newDbcpConfiguration(Map map) {
    BasicDataSource basicDataSource = new BasicDataSource();
    Iterator props = map.keySet().iterator();
    MetaObject metaDataSource = MetaObject.forObject(basicDataSource);
    while (props.hasNext()) {
      String propertyName = (String) props.next();
      if (propertyName.startsWith(ADD_DRIVER_PROPS_PREFIX)) {
        String value = (String) map.get(propertyName);
        basicDataSource.addConnectionProperty(propertyName.substring(ADD_DRIVER_PROPS_PREFIX_LENGTH), value);
      } else if (metaDataSource.hasSetter(propertyName)) {
        String value = (String) map.get(propertyName);
        Object convertedValue = convertValue(basicDataSource, propertyName, value);
        metaDataSource.setValue(propertyName, convertedValue);
      }
    }
    return basicDataSource;
  }
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    return basicDataSource;
  }

  private Object convertValue(Object object, String propertyName, String value) {
    Object convertedValue = value;
    MetaObject metaObject = MetaObject.forObject(object);
    Class targetType = metaObject.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) {
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    Object systemObject = queryForObject(id, parameterObject);
    if (systemObject != null && userObject != null) {
      MappedStatement ms = configuration.getMappedStatement(id);
      for (ResultMap rm : ms.getResultMaps()) {
        for (ResultMapping mapping : rm.getPropertyResultMappings()) {
          MetaObject metaUserObject = MetaObject.forObject(userObject);
          MetaObject metaSystemObject = MetaObject.forObject(systemObject);
          String propName = mapping.getProperty();
          if (propName != null) {
            metaUserObject.setValue(propName, metaSystemObject.getValue(propName));
          }
        }
      }
    }
    return userObject;
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  public Map queryForMap(String id, Object parameterObject, String keyProp, String valueProp) throws SQLException {
    List results = queryForList(id, parameterObject);
    Map map = new HashMap();
    for (Object result : results) {
      MetaObject metaResult = MetaObject.forObject(result);
      Object key = metaResult.getValue(keyProp);
      if (valueProp == null) {
        map.put(key, result);
      } else {
        Object value = metaResult.getValue(valueProp);
        map.put(key, value);
      }
    }
    return map;
  }
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    String prop = getResolvedProperty(ctx, tag);
    Object value1;
    Class type;

    MetaObject metaObject = MetaObject.forObject(parameterObject);
    if (prop != null) {
      value1 = metaObject.getValue(prop);
      type = metaObject.getGetterType(prop);
    } else {
      value1 = parameterObject;
      if (value1 != null) {
        type = parameterObject.getClass();
      } else {
        type = Object.class;
      }
    }
    if (comparePropertyName != null) {
      Object value2 = metaObject.getValue(comparePropertyName);
      return compareValues(type, value1, value2);
    } else if (compareValue != null) {
      return compareValues(type, value1, compareValue);
    } else {
      throw new RuntimeException("Error comparing in conditional fragment.  Uknown 'compare to' values.");
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