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* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* See the License for the specific language governing permissions and
* limitations under the License.
package protocol
import (
// Invocation is a invocation for each remote method.
type Invocation interface {
// MethodName gets invocation method name.
MethodName() string
// ParameterTypeNames gets invocation parameter type names.
ParameterTypeNames() []string
// ParameterTypes gets invocation parameter types.
ParameterTypes() []reflect.Type
// ParameterValues gets invocation parameter values.
ParameterValues() []reflect.Value
// Arguments gets arguments.
Arguments() []interface{}
// Reply gets response of request
Reply() interface{}
// Attachments gets all attachments
Attachments() map[string]interface{}
// AttachmentsByKey gets attachment by key , if nil then return default value. (It will be deprecated in the future)
AttachmentsByKey(string, string) string
Attachment(string) interface{}
// Attributes refers to dubbo 2.7.6. It is different from attachment. It is used in internal process.
Attributes() map[string]interface{}
// AttributeByKey gets attribute by key , if nil then return default value
AttributeByKey(string, interface{}) interface{}
// SetAttachments sets attribute by @key and @value.
SetAttachments(key string, value interface{})
// Invoker gets the invoker in current context.
Invoker() Invoker