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97 lines
2.6 KiB
Go
97 lines
2.6 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package entity
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import (
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"strconv"
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"github.com/cockroachdb/errors"
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)
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const (
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// cakTTL const for collection attribute key TTL in seconds.
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cakTTL = `collection.ttl.seconds`
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// cakAutoCompaction const for collection attribute key autom compaction enabled.
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cakAutoCompaction = `collection.autocompaction.enabled`
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)
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// CollectionAttribute is the interface for altering collection attributes.
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type CollectionAttribute interface {
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KeyValue() (string, string)
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Valid() error
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}
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type collAttrBase struct {
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key string
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value string
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}
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// KeyValue implements CollectionAttribute.
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func (ca collAttrBase) KeyValue() (string, string) {
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return ca.key, ca.value
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}
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type ttlCollAttr struct {
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collAttrBase
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}
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// Valid implements CollectionAttribute.
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// checks ttl seconds is valid positive integer.
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func (ca collAttrBase) Valid() error {
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val, err := strconv.ParseInt(ca.value, 10, 64)
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if err != nil {
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return errors.Wrap(err, "ttl is not a valid positive integer")
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}
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if val < 0 {
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return errors.New("ttl needs to be a positive integer")
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}
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return nil
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}
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// CollectionTTL returns collection attribute to set collection ttl in seconds.
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func CollectionTTL(ttl int64) ttlCollAttr {
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ca := ttlCollAttr{}
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ca.key = cakTTL
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ca.value = strconv.FormatInt(ttl, 10)
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return ca
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}
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type autoCompactionCollAttr struct {
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collAttrBase
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}
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// Valid implements CollectionAttribute.
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// checks collection auto compaction is valid bool.
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func (ca autoCompactionCollAttr) Valid() error {
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_, err := strconv.ParseBool(ca.value)
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if err != nil {
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return errors.Wrap(err, "auto compaction setting is not valid boolean")
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}
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return nil
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}
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// CollectionAutoCompactionEnabled returns collection attribute to set collection auto compaction enabled.
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func CollectionAutoCompactionEnabled(enabled bool) autoCompactionCollAttr {
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ca := autoCompactionCollAttr{}
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ca.key = cakAutoCompaction
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ca.value = strconv.FormatBool(enabled)
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return ca
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}
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