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80 lines
2.1 KiB
Go
80 lines
2.1 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. 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 datanode
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import (
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"sync"
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"go.uber.org/atomic"
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"github.com/milvus-io/milvus/pkg/util/typeutil"
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)
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type flushTaskCounter struct {
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inner *typeutil.ConcurrentMap[string, *atomic.Int32] // channel -> counter
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}
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func (c *flushTaskCounter) getOrZero(channel string) int32 {
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counter, exist := c.inner.Get(channel)
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if !exist {
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return 0
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}
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return counter.Load()
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}
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func (c *flushTaskCounter) increaseImpl(channel string, delta int32) {
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counter, _ := c.inner.GetOrInsert(channel, atomic.NewInt32(0))
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counter.Add(delta)
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}
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func (c *flushTaskCounter) increase(channel string) {
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c.increaseImpl(channel, 1)
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}
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func (c *flushTaskCounter) decrease(channel string) {
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c.increaseImpl(channel, -1)
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}
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func (c *flushTaskCounter) close() {
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allChannels := make([]string, 0, c.inner.Len())
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c.inner.Range(func(channel string, _ *atomic.Int32) bool {
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allChannels = append(allChannels, channel)
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return false
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})
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for _, channel := range allChannels {
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c.inner.Remove(channel)
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}
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}
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func newFlushTaskCounter() *flushTaskCounter {
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return &flushTaskCounter{
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inner: typeutil.NewConcurrentMap[string, *atomic.Int32](),
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}
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}
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var (
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globalFlushTaskCounter *flushTaskCounter
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flushTaskCounterOnce sync.Once
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)
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func getOrCreateFlushTaskCounter() *flushTaskCounter {
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flushTaskCounterOnce.Do(func() {
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globalFlushTaskCounter = newFlushTaskCounter()
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})
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return globalFlushTaskCounter
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}
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