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minio/cmd/rpc/pool.go

48 lines
1.1 KiB

/*
* MinIO Cloud Storage, (C) 2018 MinIO, Inc.
*
* 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 rpc
import (
"bytes"
"sync"
)
// A Pool is a type-safe wrapper around a sync.Pool.
type Pool struct {
p *sync.Pool
}
// NewPool constructs a new Pool.
func NewPool() Pool {
return Pool{p: &sync.Pool{
New: func() interface{} {
return &bytes.Buffer{}
},
}}
}
// Get retrieves a bytes.Buffer from the pool, creating one if necessary.
func (p Pool) Get() *bytes.Buffer {
buf := p.p.Get().(*bytes.Buffer)
return buf
}
// Put - returns a bytes.Buffer to the pool.
func (p Pool) Put(buf *bytes.Buffer) {
buf.Reset()
p.p.Put(buf)
}