mirror of
https://github.com/go-gitea/gitea.git
synced 2024-10-31 08:37:35 -04:00
2c903383b5
* Upgrade levelqueue to version 0.2.0 This adds functionality for Unique Queues * Add UniqueQueue interface and functions to create them * Add UniqueQueue implementations * Move TestPullRequests over to use UniqueQueue * Reduce code duplication * Add bytefifos * Ensure invalid types are logged * Fix close race in PersistableChannelQueue Shutdown
62 lines
1.4 KiB
Go
62 lines
1.4 KiB
Go
// Copyright 2020 The Gitea Authors. All rights reserved.
|
|
// Use of this source code is governed by a MIT-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package queue
|
|
|
|
// ByteFIFO defines a FIFO that takes a byte array
|
|
type ByteFIFO interface {
|
|
// Len returns the length of the fifo
|
|
Len() int64
|
|
// PushFunc pushes data to the end of the fifo and calls the callback if it is added
|
|
PushFunc(data []byte, fn func() error) error
|
|
// Pop pops data from the start of the fifo
|
|
Pop() ([]byte, error)
|
|
// Close this fifo
|
|
Close() error
|
|
}
|
|
|
|
// UniqueByteFIFO defines a FIFO that Uniques its contents
|
|
type UniqueByteFIFO interface {
|
|
ByteFIFO
|
|
// Has returns whether the fifo contains this data
|
|
Has(data []byte) (bool, error)
|
|
}
|
|
|
|
var _ (ByteFIFO) = &DummyByteFIFO{}
|
|
|
|
// DummyByteFIFO represents a dummy fifo
|
|
type DummyByteFIFO struct{}
|
|
|
|
// PushFunc returns nil
|
|
func (*DummyByteFIFO) PushFunc(data []byte, fn func() error) error {
|
|
return nil
|
|
}
|
|
|
|
// Pop returns nil
|
|
func (*DummyByteFIFO) Pop() ([]byte, error) {
|
|
return []byte{}, nil
|
|
}
|
|
|
|
// Close returns nil
|
|
func (*DummyByteFIFO) Close() error {
|
|
return nil
|
|
}
|
|
|
|
// Len is always 0
|
|
func (*DummyByteFIFO) Len() int64 {
|
|
return 0
|
|
}
|
|
|
|
var _ (UniqueByteFIFO) = &DummyUniqueByteFIFO{}
|
|
|
|
// DummyUniqueByteFIFO represents a dummy unique fifo
|
|
type DummyUniqueByteFIFO struct {
|
|
DummyByteFIFO
|
|
}
|
|
|
|
// Has always returns false
|
|
func (*DummyUniqueByteFIFO) Has([]byte) (bool, error) {
|
|
return false, nil
|
|
}
|