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| 1 // Copyright 2015 The LUCI Authors. | 1 // Copyright 2015 The LUCI Authors. |
| 2 // | 2 // |
| 3 // Licensed under the Apache License, Version 2.0 (the "License"); | 3 // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 // you may not use this file except in compliance with the License. | 4 // you may not use this file except in compliance with the License. |
| 5 // You may obtain a copy of the License at | 5 // You may obtain a copy of the License at |
| 6 // | 6 // |
| 7 // http://www.apache.org/licenses/LICENSE-2.0 | 7 // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 // | 8 // |
| 9 // Unless required by applicable law or agreed to in writing, software | 9 // Unless required by applicable law or agreed to in writing, software |
| 10 // distributed under the License is distributed on an "AS IS" BASIS, | 10 // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 // See the License for the specific language governing permissions and | 12 // See the License for the specific language governing permissions and |
| 13 // limitations under the License. | 13 // limitations under the License. |
| 14 | 14 |
| 15 package pubsub | 15 package pubsub |
| 16 | 16 |
| 17 import ( | 17 import ( |
| 18 "flag" | 18 "flag" |
| 19 | |
| 20 "cloud.google.com/go/pubsub" | |
| 21 ) | 19 ) |
| 22 | 20 |
| 23 // Topic is a fully-qualified Pub/Sub project/topic name. | 21 // Topic is a fully-qualified Pub/Sub project/topic name. |
| 24 type Topic string | 22 type Topic string |
| 25 | 23 |
| 26 var _ flag.Value = (*Topic)(nil) | 24 var _ flag.Value = (*Topic)(nil) |
| 27 | 25 |
| 28 // NewTopic generates a new Topic for a given project and topic name. | 26 // NewTopic generates a new Topic for a given project and topic name. |
| 29 func NewTopic(project, name string) Topic { | 27 func NewTopic(project, name string) Topic { |
| 30 return Topic(newResource(project, "topics", name)) | 28 return Topic(newResource(project, "topics", name)) |
| (...skipping 23 matching lines...) Expand all Loading... |
| 54 func (t Topic) Split() (p, n string) { | 52 func (t Topic) Split() (p, n string) { |
| 55 p, n, _ = t.SplitErr() | 53 p, n, _ = t.SplitErr() |
| 56 return | 54 return |
| 57 } | 55 } |
| 58 | 56 |
| 59 // SplitErr returns the Topic's project and name components. | 57 // SplitErr returns the Topic's project and name components. |
| 60 func (t Topic) SplitErr() (p, n string, err error) { | 58 func (t Topic) SplitErr() (p, n string, err error) { |
| 61 p, n, err = resourceProjectName(string(t)) | 59 p, n, err = resourceProjectName(string(t)) |
| 62 return | 60 return |
| 63 } | 61 } |
| 64 | |
| 65 // DisableTopicBundling configures a new pubsub.Topic to not bundle its data. | |
| 66 // | |
| 67 // t must NOT have had any Publish calls made yet, else these settings will not | |
| 68 // have any effect. | |
| 69 // | |
| 70 // By default, a Pub/Sub Topic bundles data, delaying its actual dispatch in | |
| 71 // favor of batching calls. Sometimes this is not desired. This function | |
| 72 // configures an existing Topic not to bundle. | |
| 73 func DisableTopicBundling(t *pubsub.Topic) { | |
| 74 t.PublishSettings.DelayThreshold = 0 | |
| 75 t.PublishSettings.NumGoroutines = 1 | |
| 76 t.PublishSettings.CountThreshold = 1 | |
| 77 } | |
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