OpenSearch/docs/java-rest/high-level/miscellaneous/x-pack-usage.asciidoc

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[[java-rest-high-x-pack-usage]]
=== X-Pack Usage API
[[java-rest-high-x-pack-usage-execution]]
==== Execution
Detailed information about the usage of features from {xpack} can be
retrieved using the `usage()` method:
["source","java",subs="attributes,callouts,macros"]
--------------------------------------------------
include-tagged::{doc-tests}/MiscellaneousDocumentationIT.java[x-pack-usage-execute]
--------------------------------------------------
[[java-rest-high-x-pack-usage-response]]
==== Response
The returned `XPackUsageResponse` contains a `Map` keyed by feature name.
Every feature map has an `available` key, indicating whether that
feature is available given the current license, and an `enabled` key,
indicating whether that feature is currently enabled. Other keys
are specific to each feature.
["source","java",subs="attributes,callouts,macros"]
--------------------------------------------------
include-tagged::{doc-tests}/MiscellaneousDocumentationIT.java[x-pack-usage-response]
--------------------------------------------------
[[java-rest-high-x-pack-usage-async]]
==== Asynchronous Execution
This request can be executed asynchronously:
["source","java",subs="attributes,callouts,macros"]
--------------------------------------------------
include-tagged::{doc-tests}/MiscellaneousDocumentationIT.java[x-pack-usage-execute-async]
--------------------------------------------------
<1> The call to execute the usage api and the `ActionListener` to use when
the execution completes
The asynchronous method does not block and returns immediately. Once it is
completed the `ActionListener` is called back using the `onResponse` method
if the execution successfully completed or using the `onFailure` method if
it failed.
A typical listener for `XPackUsageResponse` looks like:
["source","java",subs="attributes,callouts,macros"]
--------------------------------------------------
include-tagged::{doc-tests}/MiscellaneousDocumentationIT.java[x-pack-usage-execute-listener]
--------------------------------------------------
<1> Called when the execution is successfully completed. The response is
provided as an argument
<2> Called in case of failure. The raised exception is provided as an argument