| // Copyright 2021 The LUCI Authors. |
| // |
| // Licensed 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 backend |
| |
| type PageSizeLimiter struct { |
| Max int32 |
| Default int32 |
| } |
| |
| // Adjust the requested pageSize according to PageSizeLimiter.Max and |
| // PageSizeLimiter.Default as necessary. |
| func (psl *PageSizeLimiter) Adjust(pageSize int32) int32 { |
| switch { |
| case pageSize >= psl.Max: |
| return psl.Max |
| case pageSize > 0: |
| return pageSize |
| default: |
| return psl.Default |
| } |
| } |
