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backlog_quota.go
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backlog_quota.go
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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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 utils
import "github.com/pkg/errors"
type BacklogQuota struct {
LimitTime int64 `json:"limitTime"`
LimitSize int64 `json:"limitSize"`
Policy RetentionPolicy `json:"policy"`
}
func NewBacklogQuota(limitSize int64, limitTime int64, policy RetentionPolicy) BacklogQuota {
return BacklogQuota{
LimitSize: limitSize,
LimitTime: limitTime,
Policy: policy,
}
}
type RetentionPolicy string
const (
ProducerRequestHold RetentionPolicy = "producer_request_hold"
ProducerException RetentionPolicy = "producer_exception"
ConsumerBacklogEviction RetentionPolicy = "consumer_backlog_eviction"
)
func ParseRetentionPolicy(str string) (RetentionPolicy, error) {
switch str {
case ProducerRequestHold.String():
return ProducerRequestHold, nil
case ProducerException.String():
return ProducerException, nil
case ConsumerBacklogEviction.String():
return ConsumerBacklogEviction, nil
default:
return "", errors.Errorf("Invalid retention policy %s", str)
}
}
func (s RetentionPolicy) String() string {
return string(s)
}
type BacklogQuotaType string
const (
DestinationStorage BacklogQuotaType = "destination_storage"
MessageAge BacklogQuotaType = "message_age"
)
func ParseBacklogQuotaType(str string) (BacklogQuotaType, error) {
switch str {
case "":
fallthrough
case DestinationStorage.String():
return DestinationStorage, nil
case MessageAge.String():
return MessageAge, nil
default:
return "", errors.Errorf("Invalid backlog quota type: %s", str)
}
}
func (b BacklogQuotaType) String() string {
return string(b)
}