| /* |
| * 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 |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package protocol |
| |
| import "errors" |
| |
| var ( |
| //ErrNilResult is of type error |
| ErrNilResult = errors.New("result is nil") |
| //ErrUnknown is of type string which returns unknown error |
| ErrUnknown = ProxyError{"Unknown Error,instance is not selected, error is nil"} |
| //ErrUnExpectedHandlerChainResponse is of type string which returns unexpected handler error |
| ErrUnExpectedHandlerChainResponse = ProxyError{"Response from Handler chain is nil,better to check if handler chain is empty, or some handler just return a nil response"} |
| ) |
| |
| //ProxyError is a struct |
| type ProxyError struct { |
| Message string |
| } |
| |
| func (e ProxyError) Error() string { |
| return e.Message |
| } |