/
eventsource.go
38 lines (32 loc) · 1.26 KB
/
eventsource.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
// Copyright (c) 2017 - The Event Horizon authors.
//
// Licensed 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 model
import (
eh "github.com/looplab/eventhorizon"
)
// SliceEventSource is an eh.EventSource using a slice to store events.
type SliceEventSource []eh.Event
// AppendEvent appends an event to be handled after the aggregate has been successfully saved.
func (a *SliceEventSource) AppendEvent(e eh.Event) {
*a = append(*a, e)
}
// UncommittedEvents implements the UncommittedEvents method of the eh.EventSource interface.
func (a *SliceEventSource) UncommittedEvents() []eh.Event {
return *a
}
// ClearUncommittedEvents implements the ClearUncommittedEvents method of the eh.EventSource
// interface.
func (a *SliceEventSource) ClearUncommittedEvents() {
*a = nil
}