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persisting_state_of_components.md: Emphasize immutability and thread safety of SerializablePersistentStateComponent

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Karol Lewandowski 2025-03-13 10:07:04 +01:00
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topics/basics/persisting_state_of_components.md
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@ -61,10 +61,10 @@ class MySettings : SimplePersistentStateComponent<MySettings.State>(State()) {
<chapter title="SerializablePersistentStateComponent" id="SerializablePersistentStateComponent">
<primary-label ref="2022.2"/>
[`SerializablePersistentStateComponent`](%gh-ic%/platform/projectModel-api/src/com/intellij/openapi/components/SerializablePersistentStateComponent.kt) is parameterized with a state data class.
[`SerializablePersistentStateComponent`](%gh-ic%/platform/projectModel-api/src/com/intellij/openapi/components/SerializablePersistentStateComponent.kt) is parameterized with an immutable state data class.
State properties are exposed via persistent state component class' properties.
The state properties are modified by copying the state and overwriting a modified value within `SerializablePersistentStateComponent.updateState()`, which ensures atomic modification.
State properties are exposed for reading and modification via persistent state component class' properties.
The state properties are modified by copying the state and overwriting a modified value within `SerializablePersistentStateComponent.updateState()`, which ensures atomic modification and thread safety.
Example: