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registry.go
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registry.go
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package gopl
import (
"github.com/rs/zerolog/log"
"github.com/yoojia/go-pipeline/util"
"reflect"
)
//
// Author: 陈永佳 [email protected], [email protected]
//
type InputFactory func() Input
type FilterFactory func() Filter
type OutputFactory func() Output
type HookFunc func()
type Component interface{}
// 根据组件类型，自动注册到对应的组件中
func (slf *GoPipeline) AutoRegister(component Component) {
plgType := reflect.TypeOf(component)
if plgType.Kind() != reflect.Ptr {
log.Panic().Msg("AutoRegister: Needs a pointer to a component")
}
typeName := util.SimpleTypeName(plgType)
log.Info().Msgf("AutoRegister: <%s>, type: <%s>", typeName, plgType)
rawType := plgType.Elem()
switch component.(type) {
case Plugin:
slf.RegisterPlugin(component.(Plugin))
case Decoder:
slf.RegisterDecoder(typeName, component.(Decoder))
case Matcher:
slf.RegisterMatcher(typeName, component.(Matcher))
case Input:
slf.RegisterInput(typeName, func() Input {
return reflect.New(rawType).Interface().(Input)
})
case Filter:
slf.RegisterFilter(typeName, func() Filter {
return reflect.New(rawType).Interface().(Filter)
})
case Output:
slf.RegisterOutput(typeName, func() Output {
return reflect.New(rawType).Interface().(Output)
})
default:
log.Panic().Msgf("AutoRegister: Unsupported component type, was: %s", typeName)
}
}
// RegisterStartupHook 注册一个启动Hook。此Hook将会在程序启动初始化组件前调用
func (slf *GoPipeline) RegisterStartupHook(h HookFunc) {
slf.startupHook.PushBack(h)
}
// RegisterShutdownHook 注册一个停止Hook。此Hook将会在程序停止所有组件后调用
func (slf *GoPipeline) RegisterShutdownHook(h HookFunc) {
slf.shutdownHook.PushBack(h)
}
func (slf *GoPipeline) RegisterTerminateHook(h HookFunc) {
slf.RegisterShutdownHook(h)
}
// 注册一个插件
func (slf *GoPipeline) RegisterPlugin(plg Plugin) {
slf.plugins.PushBack(plg)
}
//// 三大组件类型注册
func (slf *GoPipeline) RegisterInput(typeName string, factory InputFactory) {
slf.factoryInputs[typeName] = factory
}
func (slf *GoPipeline) RegisterFilter(pluginName string, factory FilterFactory) {
slf.factoryFilters[pluginName] = factory
}
func (slf *GoPipeline) RegisterOutput(pluginName string, factory OutputFactory) {
slf.factoryOutputs[pluginName] = factory
}
func (slf *GoPipeline) RegisterDecoder(typeName string, decoder Decoder) {
slf.decoders[typeName] = decoder
}
func (slf *GoPipeline) RegisterDecoderOf(decoder Decoder) {
slf.RegisterDecoder(util.SimpleClassName(decoder), decoder)
}
func (slf *GoPipeline) RegisterMatcher(typeName string, matcher Matcher) {
slf.matchers[typeName] = matcher
}
func (slf *GoPipeline) RegisterMatcherOf(matcher Matcher) {
slf.RegisterMatcher(util.SimpleClassName(matcher), matcher)
}