Package org.apache.ibatis.type

Examples of org.apache.ibatis.type.TypeHandler

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      if (args[i] == null) {
        throw new SQLException("SqlRunner requires an instance of Null to represent typed null values for JDBC compatibility");
      } else if (args[i] instanceof Null) {
        ((Null) args[i]).getTypeHandler().setParameter(ps, i + 1, null, ((Null) args[i]).getJdbcType());
      } else {
        TypeHandler typeHandler = typeHandlerRegistry.getTypeHandler(args[i].getClass());
        if (typeHandler == null) {
          throw new SQLException("SqlRunner could not find a TypeHandler instance for " + args[i].getClass());
        } else {
          typeHandler.setParameter(ps, i + 1, args[i], null);
        }
      }
    }
  }
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      ResultSetMetaData rsmd = rs.getMetaData();
      for (int i = 0, n = rsmd.getColumnCount(); i < n; i++) {
        columns.add(rsmd.getColumnLabel(i + 1));
        try {
          Class<?> type = Resources.classForName(rsmd.getColumnClassName(i + 1));
          TypeHandler typeHandler = typeHandlerRegistry.getTypeHandler(type);
          if (typeHandler == null) {
            typeHandler = typeHandlerRegistry.getTypeHandler(Object.class);
          }
          typeHandlers.add(typeHandler);
        } catch (Exception e) {
          typeHandlers.add(typeHandlerRegistry.getTypeHandler(Object.class));
        }
      }
      while (rs.next()) {
        Map<String, Object> row = new HashMap<String, Object>();
        for (int i = 0, n = columns.size(); i < n; i++) {
          String name = columns.get(i);
          TypeHandler handler = typeHandlers.get(i);
          row.put(name.toUpperCase(Locale.ENGLISH), handler.getResult(rs, name));
        }
        list.add(row);
      }
      return list;
    } finally {
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      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 {
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        String javaType = child.getStringAttribute("javaType");
        String jdbcType = child.getStringAttribute("jdbcType");
        String handler = child.getStringAttribute("handler");

        Class<?> javaTypeClass = resolveClass(javaType);
        TypeHandler typeHandlerInstance = (TypeHandler) resolveClass(handler).newInstance();

        if (jdbcType == null) {
          typeHandlerRegistry.register(javaTypeClass, typeHandlerInstance);
        } else {
          typeHandlerRegistry.register(javaTypeClass, resolveJdbcType(jdbcType), typeHandlerInstance);
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  private void createRowKeyForMappedProperties(ResultSet rs, CacheKey cacheKey, List<ResultMapping> resultMappings) {
    for (ResultMapping resultMapping : resultMappings) {
      if (resultMapping.getNestedQueryId() == null && resultMapping.getNestedResultMapId() == null) {
        final String column = resultMapping.getColumn();
        final TypeHandler th = resultMapping.getTypeHandler();
        if (column != null) {
          try {
            final Object value = th.getResult(rs, column);
            if (value != null) {
              cacheKey.update(column);
              cacheKey.update(value);
            }
          } catch (Exception e) {
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      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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    }
    return foundValues;
  }

  protected Object getPropertyMappingValue(ResultSet rs, MetaObject metaResultObject, ResultMapping propertyMapping, ResultLoaderMap lazyLoader) throws SQLException {
    final TypeHandler typeHandler = propertyMapping.getTypeHandler();
    if (propertyMapping.getNestedQueryId() != null) {
      return getNestedQueryMappingValue(rs, metaResultObject, propertyMapping, lazyLoader);
    } else if (typeHandler != null) {
      final String column = propertyMapping.getColumn();
      return typeHandler.getResult(rs, column);
    }
    return null;
  }
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    for (String columnName : unmappedColumnNames) {
      final String property = metaObject.findProperty(columnName);
      if (property != null) {
        final Class propertyType = metaObject.getSetterType(property);
        if (typeHandlerRegistry.hasTypeHandler(propertyType)) {
          final TypeHandler typeHandler = typeHandlerRegistry.getTypeHandler(propertyType);
          final Object value = typeHandler.getResult(rs, columnName);
          if (value != null) {
            metaObject.setValue(property, value);
            foundValues = true;
          }
        }
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          final ResultMap resultMap = configuration.getResultMap(constructorMapping.getNestedResultMapId());
          final ResultLoaderMap lazyLoader = instantiateResultLoaderMap();
          value = createResultObject(rs, resultMap, lazyLoader);
      }else {
        // get simple result
        final TypeHandler typeHandler = constructorMapping.getTypeHandler();
        value = typeHandler.getResult(rs, column);
      }
      constructorArgTypes.add(parameterType);
      constructorArgs.add(value);
      foundValues = value != null || foundValues;
    }
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      columnName = mapping.getColumn();
    } else {
      final ResultSetMetaData rsmd = rs.getMetaData();
      columnName = configuration.isUseColumnLabel() ? rsmd.getColumnLabel(1) : rsmd.getColumnName(1);
    }
    final TypeHandler typeHandler = typeHandlerRegistry.getTypeHandler(resultType);
    return typeHandler.getResult(rs, columnName);
  }
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