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condition.go
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condition.go
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/*
* Tencent is pleased to support the open source community by making 蓝鲸 available.
* Copyright (C) 2017-2018 THL A29 Limited, a Tencent company. All rights reserved.
* Licensed under the MIT License (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
* http://opensource.org/licenses/MIT
* 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 common
import (
"configcenter/src/framework/core/types"
)
// CreateCondition create a condition object
func CreateCondition() Condition {
return &condition{}
}
// Condition condition interface
type Condition interface {
SetStart(start int)
GetStart() int
SetLimit(limit int)
GetLimit() int
SetSort(sort string)
GetSort() string
Field(fieldName string) Field
ToMapStr() types.MapStr
}
// Condition the condition definition
type condition struct {
start int
limit int
sort string
fields []Field
}
// SetStart set the start
func (cli *condition) SetStart(start int) {
cli.start = start
}
// GetStart return the start
func (cli *condition) GetStart() int {
return cli.start
}
// SetLimit set the limit num
func (cli *condition) SetLimit(limit int) {
cli.limit = limit
}
// GetLimit return the limit num
func (cli *condition) GetLimit() int {
return cli.limit
}
// SetSort set the sort field
func (cli *condition) SetSort(sort string) {
cli.sort = sort
}
// GetSort return the sort field
func (cli *condition) GetSort() string {
return cli.sort
}
// CreateField create a field
func (cli *condition) Field(fieldName string) Field {
field := &field{
fieldName: fieldName,
condition: cli,
}
cli.fields = append(cli.fields, field)
return field
}
// ToMapStr to MapStr object
func (cli *condition) ToMapStr() types.MapStr {
tmpResult := types.MapStr{}
for _, item := range cli.fields {
tmpResult.Merge(item.ToMapStr())
}
return tmpResult
}