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 = MetaObject.forObject(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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  private final StringBuilder sqlBuilder = new StringBuilder();
  private int uniqueNumber = 0;

  public DynamicContext(Configuration configuration, Object parameterObject) {
    if (parameterObject != null && !(parameterObject instanceof Map)) {
      MetaObject metaObject = configuration.newMetaObject(parameterObject);
      bindings = new ContextMap(metaObject);
    } else {
      bindings = new ContextMap(null);
    }
    bindings.put(PARAMETER_OBJECT_KEY, parameterObject);
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    try {
      final Configuration configuration = ms.getConfiguration();
      final TypeHandlerRegistry typeHandlerRegistry = configuration.getTypeHandlerRegistry();
      if (parameter != null) {
        String keyProperty = ms.getKeyProperty();
        final MetaObject metaParam = configuration.newMetaObject(parameter);
        if (keyProperty != null && metaParam.hasSetter(keyProperty)) {
          Class<?> keyPropertyType = metaParam.getSetterType(keyProperty);
          TypeHandler th = typeHandlerRegistry.getTypeHandler(keyPropertyType);
          if (th != null) {
            ResultSet rs = stmt.getGeneratedKeys();
            try {
              ResultSetMetaData rsmd = rs.getMetaData();
              int colCount = rsmd.getColumnCount();
              if (colCount > 0) {
                String colName;
                if (keyColumnName != null && keyColumnName.length() > 0) {
                  colName = keyColumnName;
                } else {
                  colName = rsmd.getColumnName(1);
                }
             
                while (rs.next()) {
                  Object value = th.getResult(rs, colName);
                  metaParam.setValue(keyProperty, value);
                }
              }
            } finally {
              try {
                if (rs != null) rs.close();
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  }

  public Class getSetterType(String name) {
    PropertyTokenizer prop = new PropertyTokenizer(name);
    if (prop.hasNext()) {
      MetaObject metaValue = metaObject.metaObjectForProperty(prop.getIndexedName());
      if (metaValue == MetaObject.NULL_META_OBJECT) {
        return Object.class;
      } else {
        return metaValue.getSetterType(prop.getChildren());
      }
    } else {
      if (map.get(name) != null) {
        return map.get(name).getClass();
      } else {
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  }

  public Class getGetterType(String name) {
    PropertyTokenizer prop = new PropertyTokenizer(name);
    if (prop.hasNext()) {
      MetaObject metaValue = metaObject.metaObjectForProperty(prop.getIndexedName());
      if (metaValue == MetaObject.NULL_META_OBJECT) {
        return Object.class;
      } else {
        return metaValue.getGetterType(prop.getChildren());
      }
    } else {
      if (map.get(name) != null) {
        return map.get(name).getClass();
      } else {
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  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 == MetaObject.NULL_META_OBJECT) {
          return map.containsKey(name);
        } else {
          return metaValue.hasGetter(prop.getChildren());
        }
      } else {
        return false;
      }
    } else {
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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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    this.mapKey = mapKey;
  }

  public void handleResult(ResultContext context) {
    final Object value = context.getResultObject();
    final MetaObject mo = MetaObject.forObject(value);
    final Object key = mo.getValue(mapKey);
    mappedResults.put(key, value);
  }
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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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    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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