OpenSearch/docs/java-rest/high-level/apis/open_index.asciidoc

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[[java-rest-high-open-index]]
=== Open Index API
[[java-rest-high-open-index-request]]
==== Open Index Request
An `OpenIndexRequest` requires an `index` argument:
["source","java",subs="attributes,callouts,macros"]
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include-tagged::{doc-tests}/IndicesClientDocumentationIT.java[open-index-request]
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<1> The index to open
==== Optional arguments
The following arguments can optionally be provided:
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include-tagged::{doc-tests}/IndicesClientDocumentationIT.java[open-index-request-timeout]
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<1> Timeout to wait for the all the nodes to acknowledge the index is opened
as a `TimeValue`
<2> Timeout to wait for the all the nodes to acknowledge the index is opened
as a `String`
["source","java",subs="attributes,callouts,macros"]
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include-tagged::{doc-tests}/IndicesClientDocumentationIT.java[open-index-request-masterTimeout]
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<1> Timeout to connect to the master node as a `TimeValue`
<2> Timeout to connect to the master node as a `String`
["source","java",subs="attributes,callouts,macros"]
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include-tagged::{doc-tests}/IndicesClientDocumentationIT.java[open-index-request-waitForActiveShards]
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<1> The number of active shard copies to wait for before the open index API
returns a response, as an `int`.
<2> The number of active shard copies to wait for before the open index API
returns a response, as an `ActiveShardCount`.
["source","java",subs="attributes,callouts,macros"]
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include-tagged::{doc-tests}/IndicesClientDocumentationIT.java[open-index-request-indicesOptions]
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<1> Setting `IndicesOptions` controls how unavailable indices are resolved and
how wildcard expressions are expanded
[[java-rest-high-open-index-sync]]
==== Synchronous Execution
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include-tagged::{doc-tests}/IndicesClientDocumentationIT.java[open-index-execute]
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[[java-rest-high-open-index-async]]
==== Asynchronous Execution
["source","java",subs="attributes,callouts,macros"]
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include-tagged::{doc-tests}/IndicesClientDocumentationIT.java[open-index-execute-async]
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<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
[[java-rest-high-open-index-response]]
==== Open Index Response
The returned `OpenIndexResponse` allows to retrieve information about the
executed operation as follows:
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include-tagged::{doc-tests}/IndicesClientDocumentationIT.java[open-index-response]
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<1> Indicates whether all of the nodes have acknowledged the request
<2> Indicates whether the requisite number of shard copies were started for
each shard in the index before timing out