OpenSearch/docs/java-rest/high-level/indices/exists_alias.asciidoc

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--
:api: exists-alias
:request: GetAliasesRequest
:response: Boolean
--
[id="{upid}-{api}"]
=== Exists Alias API
[id="{upid}-{api}-request"]
==== Exists Alias Request
The Exists Alias API uses +{request}+ as its request object.
One or more aliases can be optionally provided either at construction
time or later on through the relevant setter method.
["source","java",subs="attributes,callouts,macros"]
--------------------------------------------------
include-tagged::{doc-tests-file}[{api}-request]
--------------------------------------------------
==== Optional arguments
The following arguments can optionally be provided:
["source","java",subs="attributes,callouts,macros"]
--------------------------------------------------
include-tagged::{doc-tests-file}[{api}-request-alias]
--------------------------------------------------
<1> One or more aliases to look for
["source","java",subs="attributes,callouts,macros"]
--------------------------------------------------
include-tagged::{doc-tests-file}[{api}-request-indices]
--------------------------------------------------
<1> The index or indices that the alias is associated with
["source","java",subs="attributes,callouts,macros"]
--------------------------------------------------
include-tagged::{doc-tests-file}[{api}-request-indicesOptions]
--------------------------------------------------
<1> Setting `IndicesOptions` controls how unavailable indices are resolved and
how wildcard expressions are expanded
["source","java",subs="attributes,callouts,macros"]
--------------------------------------------------
include-tagged::{doc-tests-file}[{api}-request-local]
--------------------------------------------------
<1> The `local` flag (defaults to `false`) controls whether the aliases need
to be looked up in the local cluster state or in the cluster state held by
the elected master node
include::../execution.asciidoc[]
[id="{upid}-{api}-response"]
==== Exists Alias Response
The Exists Alias API returns a +{response}+ that indicates whether the provided
alias (or aliases) was found or not.