RxJava Window If Changed
The WindowIfChanged
operator for RxJava 2 divides an Observable
that emits items into an Observable
that emits Observables
, each one of which emits some subset of the items from the original source. The items in each inner Observable
all have a common "key" based on a key selector function. A new inner Observable
is emitted and the previous inner Observable
completes each time the key changes from the previous item.
Observable<Actions> actions = //...
Observable<GroupedObservable<String, Action>> targetedActions =
WindowIfChanged.create(actions, action -> action.target);
Download
Maven:
<dependency>
<groupId>com.jakewharton.rx</groupId>
<artifactId>window-if-changed</artifactId>
<version>1.0.0</version>
</dependency>
Gradle:
compile 'com.jakewharton.rx:window-if-changed:1.0.0'
If you use Kotlin, a package with an extension method for Observable
is provided. Replace the window-if-changed
artifact ID above with window-if-changed-kotlin
.
Snapshots of the development version are available in Sonatype's snapshots
repository.
License
Copyright 2016 Jake Wharton
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.