mirror of https://github.com/harness/drone.git
77 lines
2.2 KiB
Go
77 lines
2.2 KiB
Go
// Copyright 2023 Harness, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package events
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import "errors"
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// System represents a single contained event system that is used
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// to setup event Reporters and ReaderFactories.
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type System struct {
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streamConsumerFactoryFn StreamConsumerFactoryFunc
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streamProducer StreamProducer
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}
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func NewSystem(streamConsumerFactoryFunc StreamConsumerFactoryFunc, streamProducer StreamProducer) (*System, error) {
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if streamConsumerFactoryFunc == nil {
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return nil, errors.New("streamConsumerFactoryFunc can't be empty")
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}
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if streamProducer == nil {
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return nil, errors.New("streamProducer can't be empty")
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}
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return &System{
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streamConsumerFactoryFn: streamConsumerFactoryFunc,
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streamProducer: streamProducer,
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}, nil
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}
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func NewReaderFactory[R Reader](system *System, category string, fn ReaderFactoryFunc[R]) (*ReaderFactory[R], error) {
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if system == nil {
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return nil, errors.New("system can't be empty")
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}
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if category == "" {
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return nil, errors.New("category can't be empty")
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}
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if fn == nil {
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return nil, errors.New("fn can't be empty")
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}
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return &ReaderFactory[R]{
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// values coming from system
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streamConsumerFactoryFn: system.streamConsumerFactoryFn,
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// values coming from input parameters
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category: category,
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readerFactoryFn: fn,
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}, nil
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}
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func NewReporter(system *System, category string) (*GenericReporter, error) {
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if system == nil {
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return nil, errors.New("system can't be empty")
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}
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if category == "" {
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return nil, errors.New("category can't be empty")
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}
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return &GenericReporter{
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// values coming from system
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producer: system.streamProducer,
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// values coming from input parameters
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category: category,
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}, nil
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}
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