dubbo.apache.org/dubbo-go/v3@v3.1.1/protocol/dubbo/impl/response.go (about)

     1  /*
     2   * Licensed to the Apache Software Foundation (ASF) under one or more
     3   * contributor license agreements.  See the NOTICE file distributed with
     4   * this work for additional information regarding copyright ownership.
     5   * The ASF licenses this file to You under the Apache License, Version 2.0
     6   * (the "License"); you may not use this file except in compliance with
     7   * the License.  You may obtain a copy of the License at
     8   *
     9   *     http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   */
    17  
    18  package impl
    19  
    20  type ResponsePayload struct {
    21  	RspObj      interface{}
    22  	Exception   error
    23  	Attachments map[string]interface{}
    24  }
    25  
    26  // NewResponse create a new ResponsePayload
    27  func NewResponsePayload(rspObj interface{}, exception error, attachments map[string]interface{}) *ResponsePayload {
    28  	if attachments == nil {
    29  		attachments = make(map[string]interface{})
    30  	}
    31  	return &ResponsePayload{
    32  		RspObj:      rspObj,
    33  		Exception:   exception,
    34  		Attachments: attachments,
    35  	}
    36  }
    37  
    38  func EnsureResponsePayload(body interface{}) *ResponsePayload {
    39  	if res, ok := body.(*ResponsePayload); ok {
    40  		return res
    41  	}
    42  	if exp, ok := body.(error); ok {
    43  		return NewResponsePayload(nil, exp, nil)
    44  	}
    45  	return NewResponsePayload(body, nil, nil)
    46  }