79 lines
2.3 KiB
Go
79 lines
2.3 KiB
Go
// GoToSocial
|
|
// Copyright (C) GoToSocial Authors admin@gotosocial.org
|
|
// SPDX-License-Identifier: AGPL-3.0-or-later
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package queue
|
|
|
|
import (
|
|
"context"
|
|
|
|
"codeberg.org/gruf/go-structr"
|
|
)
|
|
|
|
// StructQueue wraps a structr.Queue{} to
|
|
// provide simple index caching by name.
|
|
type StructQueue[StructType any] struct {
|
|
queue structr.QueueCtx[StructType]
|
|
index map[string]*structr.Index
|
|
}
|
|
|
|
// Init initializes queue with structr.QueueConfig{}.
|
|
func (q *StructQueue[T]) Init(config structr.QueueConfig[T]) {
|
|
q.index = make(map[string]*structr.Index, len(config.Indices))
|
|
// q.queue = structr.QueueCtx[T]{}
|
|
q.queue.Init(config)
|
|
for _, cfg := range config.Indices {
|
|
q.index[cfg.Fields] = q.queue.Index(cfg.Fields)
|
|
}
|
|
}
|
|
|
|
// Pop: see structr.Queue{}.PopFront().
|
|
func (q *StructQueue[T]) Pop() (value T, ok bool) {
|
|
values := q.queue.PopFrontN(1)
|
|
if ok = (len(values) > 0); !ok {
|
|
return
|
|
}
|
|
value = values[0]
|
|
return
|
|
}
|
|
|
|
// PopCtx: see structr.QueueCtx{}.PopFront().
|
|
func (q *StructQueue[T]) PopCtx(ctx context.Context) (value T, ok bool) {
|
|
return q.queue.PopFront(ctx)
|
|
}
|
|
|
|
// Push: see structr.Queue.PushBack().
|
|
func (q *StructQueue[T]) Push(values ...T) {
|
|
q.queue.PushBack(values...)
|
|
}
|
|
|
|
// Delete pops (and drops!) all queued entries under index with key.
|
|
func (q *StructQueue[T]) Delete(index string, key ...any) {
|
|
i := q.index[index]
|
|
_ = q.queue.Pop(i, i.Key(key...))
|
|
}
|
|
|
|
// Len: see structr.Queue{}.Len().
|
|
func (q *StructQueue[T]) Len() int {
|
|
return q.queue.Len()
|
|
}
|
|
|
|
// Wait returns current wait channel, which may be
|
|
// blocked on to awaken when new value pushed to queue.
|
|
func (q *StructQueue[T]) Wait() <-chan struct{} {
|
|
return q.queue.Wait()
|
|
}
|