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dynamic_options.go
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dynamic_options.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 namespace
import (
"errors"
"time"
"github.com/m3db/m3/src/cluster/client"
"github.com/m3db/m3x/instrument"
)
const (
defaultInitTimeout = 30 * time.Second
defaultNsRegistryKey = "m3db.node.namespace_registry"
)
var (
errInitTimeoutPositive = errors.New("init timeout must be positive")
errNsRegistryKeyEmpty = errors.New("namespace registry key must not be empty")
errCsClientNotSet = errors.New("config service client not set")
)
type dynamicOpts struct {
iopts instrument.Options
csClient client.Client
nsRegistryKey string
initTimeout time.Duration
}
// NewDynamicOptions creates a new DynamicOptions
func NewDynamicOptions() DynamicOptions {
return &dynamicOpts{
iopts: instrument.NewOptions(),
nsRegistryKey: defaultNsRegistryKey,
initTimeout: defaultInitTimeout,
}
}
func (o *dynamicOpts) Validate() error {
if o.initTimeout <= 0 {
return errInitTimeoutPositive
}
if o.nsRegistryKey == "" {
return errNsRegistryKeyEmpty
}
if o.csClient == nil {
return errCsClientNotSet
}
return nil
}
func (o *dynamicOpts) SetInstrumentOptions(value instrument.Options) DynamicOptions {
opts := *o
opts.iopts = value
return &opts
}
func (o *dynamicOpts) InstrumentOptions() instrument.Options {
return o.iopts
}
func (o *dynamicOpts) SetConfigServiceClient(c client.Client) DynamicOptions {
opts := *o
opts.csClient = c
return &opts
}
func (o *dynamicOpts) ConfigServiceClient() client.Client {
return o.csClient
}
func (o *dynamicOpts) SetNamespaceRegistryKey(k string) DynamicOptions {
opts := *o
opts.nsRegistryKey = k
return &opts
}
func (o *dynamicOpts) NamespaceRegistryKey() string {
return o.nsRegistryKey
}