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Document Cache-Control #958

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May 27, 2024
Merged

Document Cache-Control #958

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Document Cache-Control
eugene-andreev May 23, 2024
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Update advanced/fiori.md
eugene-andreev May 24, 2024
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java only
eugene-andreev May 24, 2024
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agoerler May 24, 2024
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Merge branch 'main' into cache-control
agoerler May 27, 2024
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Merge branch 'main' into cache-control
renejeglinsky May 27, 2024
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14 changes: 14 additions & 0 deletions advanced/fiori.md
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Expand Up @@ -646,6 +646,20 @@ If you have the need for a more complex calculation, then the interesting parts
:::


## Cache Control

CAP provides the option to set a [Cache-Control](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Cache-Control) header with a [max-age](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Cache-Control#max-age) directive to indicate that a response remains fresh until _n_ seconds after it was generated .
In the CDS model, this can be done using the `@http.CacheControl: {maxAge: <seconds>}` annotation on stream properties. The header indicates that caches can store the response and reuse it for subsequent requests while it's fresh.
The `max-age` (in seconds) specifies the maximum age of the content before it becomes stale.

:::info Elapsed time since the response was generated
The `max-age` is the elapsed time since the response was generated on the origin server. It's not related to when the response was received.
:::

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::: warning Only Java
Cache Control feature is currently supported on the Java runtime only.
:::

<div id="client-side-validations" />

<div id="fiori-compat" />
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