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persisting_state_of_components.md: add dummy getInstance() method to code sample for clarification

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Yann Cébron 2021-10-12 13:45:06 +02:00
parent b47aa4671d
commit a77d8ab0ac
1 changed files with 6 additions and 2 deletions
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topics/basics/persisting_state_of_components.md
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@ -1,6 +1,6 @@
[//]: # (title: Persisting State of Components)
<!-- Copyright 2000-2020 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
<!-- Copyright 2000-2021 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
The IntelliJ Platform provides an API that allows components or services to persist their state between restarts of the IDE.
You can use either a simple API to persist a few values or persist the state of more complicated components using the [`PersistentStateComponent`](upsource:///platform/projectModel-api/src/com/intellij/openapi/components/PersistentStateComponent.java) interface.
@ -42,6 +42,10 @@ In the former case, the state class instance is typically stored as a field in t
@State(...)
class MyService implements PersistentStateComponent<MyService.State> {
public static MyService getInstance() {
// implementation according to Application/Project level service
}
static class State {
public String value;
}