/
config.go
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/
config.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 pool
import "github.com/m3db/m3/src/x/instrument"
// ObjectPoolConfiguration contains configuration for object pools.
type ObjectPoolConfiguration struct {
// The size of the pool.
Size int `yaml:"size"`
// The watermark configuration.
Watermark WatermarkConfiguration `yaml:"watermark"`
}
// NewObjectPoolOptions creates a new set of object pool options.
func (c *ObjectPoolConfiguration) NewObjectPoolOptions(
instrumentOpts instrument.Options,
) ObjectPoolOptions {
size := defaultSize
if c.Size != 0 {
size = c.Size
}
return NewObjectPoolOptions().
SetInstrumentOptions(instrumentOpts).
SetSize(size).
SetRefillLowWatermark(c.Watermark.RefillLowWatermark).
SetRefillHighWatermark(c.Watermark.RefillHighWatermark)
}
// BucketizedPoolConfiguration contains configuration for bucketized pools.
type BucketizedPoolConfiguration struct {
// The pool bucket configuration.
Buckets []BucketConfiguration `yaml:"buckets"`
// The watermark configuration.
Watermark WatermarkConfiguration `yaml:"watermark"`
}
// NewObjectPoolOptions creates a new set of object pool options.
func (c *BucketizedPoolConfiguration) NewObjectPoolOptions(
instrumentOpts instrument.Options,
) ObjectPoolOptions {
return NewObjectPoolOptions().
SetInstrumentOptions(instrumentOpts).
SetRefillLowWatermark(c.Watermark.RefillLowWatermark).
SetRefillHighWatermark(c.Watermark.RefillHighWatermark)
}
// NewBuckets create a new list of buckets.
func (c *BucketizedPoolConfiguration) NewBuckets() []Bucket {
buckets := make([]Bucket, 0, len(c.Buckets))
for _, bconfig := range c.Buckets {
bucket := bconfig.NewBucket()
buckets = append(buckets, bucket)
}
return buckets
}
// BucketConfiguration contains configuration for a pool bucket.
type BucketConfiguration struct {
// The count of the items in the bucket.
Count int `yaml:"count"`
// The capacity of each item in the bucket.
Capacity int `yaml:"capacity"`
}
// NewBucket creates a new bucket.
func (c *BucketConfiguration) NewBucket() Bucket {
return Bucket{
Capacity: c.Capacity,
Count: c.Count,
}
}
// WatermarkConfiguration contains watermark configuration for pools.
type WatermarkConfiguration struct {
// The low watermark to start refilling the pool, if zero none.
RefillLowWatermark float64 `yaml:"low" validate:"min=0.0,max=1.0"`
// The high watermark to stop refilling the pool, if zero none.
RefillHighWatermark float64 `yaml:"high" validate:"min=0.0,max=1.0"`
}