github.com/sberex/go-sberex@v1.8.2-0.20181113200658-ed96ac38f7d7/event/filter/generic_filter.go (about) 1 // This file is part of the go-sberex library. The go-sberex library is 2 // free software: you can redistribute it and/or modify it under the terms 3 // of the GNU Lesser General Public License as published by the Free 4 // Software Foundation, either version 3 of the License, or (at your option) 5 // any later version. 6 // 7 // The go-sberex library is distributed in the hope that it will be useful, 8 // but WITHOUT ANY WARRANTY; without even the implied warranty of 9 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser 10 // General Public License <http://www.gnu.org/licenses/> for more details. 11 12 package filter 13 14 type Generic struct { 15 Str1, Str2, Str3 string 16 Data map[string]struct{} 17 18 Fn func(data interface{}) 19 } 20 21 // self = registered, f = incoming 22 func (self Generic) Compare(f Filter) bool { 23 var strMatch, dataMatch = true, true 24 25 filter := f.(Generic) 26 if (len(self.Str1) > 0 && filter.Str1 != self.Str1) || 27 (len(self.Str2) > 0 && filter.Str2 != self.Str2) || 28 (len(self.Str3) > 0 && filter.Str3 != self.Str3) { 29 strMatch = false 30 } 31 32 for k := range self.Data { 33 if _, ok := filter.Data[k]; !ok { 34 return false 35 } 36 } 37 38 return strMatch && dataMatch 39 } 40 41 func (self Generic) Trigger(data interface{}) { 42 self.Fn(data) 43 }