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types_pool.go
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types_pool.go
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// Copyright (c) 2017 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package aggregation
import "github.com/m3db/m3/src/x/pool"
// TypesAlloc allocates new aggregation types.
type TypesAlloc func() Types
// TypesPool provides a pool of aggregation types.
type TypesPool interface {
// Init initializes the aggregation types pool.
Init(alloc TypesAlloc)
// Get gets an empty list of aggregation types from the pool.
Get() Types
// Put returns aggregation types to the pool.
Put(value Types)
}
type typesPool struct {
pool pool.ObjectPool
}
// NewTypesPool creates a new pool for aggregation types.
func NewTypesPool(opts pool.ObjectPoolOptions) TypesPool {
return &typesPool{pool: pool.NewObjectPool(opts)}
}
func (p *typesPool) Init(alloc TypesAlloc) {
p.pool.Init(func() interface{} {
return alloc()
})
}
func (p *typesPool) Get() Types {
return p.pool.Get().(Types)
}
func (p *typesPool) Put(value Types) {
p.pool.Put(value[:0])
}