OpenSearch/docs/java-rest/high-level/usage.asciidoc

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[[java-rest-high-usage]]
== Getting started
This section describes how to get started with the high-level REST client from
getting the artifact to using it in an application.
[[java-rest-high-javadoc]]
=== Javadoc
The javadoc for the REST high level client can be found at {rest-high-level-client-javadoc}/index.html.
[[java-rest-high-usage-maven]]
=== Maven Repository
The high-level Java REST client is hosted on
http://search.maven.org/#search%7Cga%7C1%7Cg%3A%22org.elasticsearch.client%22[Maven
Central]. The minimum Java version required is `1.8`.
The High Level REST Client is subject to the same release cycle as
Elasticsearch. Replace the version with the desired client version.
[[java-rest-high-usage-maven-maven]]
==== Maven configuration
Here is how you can configure the dependency using maven as a dependency manager.
Add the following to your `pom.xml` file:
["source","xml",subs="attributes"]
--------------------------------------------------
<dependency>
<groupId>org.elasticsearch.client</groupId>
<artifactId>elasticsearch-rest-high-level-client</artifactId>
<version>{version}</version>
</dependency>
--------------------------------------------------
[[java-rest-high-usage-maven-gradle]]
==== Gradle configuration
Here is how you can configure the dependency using gradle as a dependency manager.
Add the following to your `build.gradle` file:
["source","groovy",subs="attributes"]
--------------------------------------------------
dependencies {
compile 'org.elasticsearch.client:elasticsearch-rest-high-level-client:{version}'
}
--------------------------------------------------
[[java-rest-high-usage-dependencies]]
=== Dependencies
The High Level Java REST Client depends on the following artifacts and their
transitive dependencies:
- org.elasticsearch.client:elasticsearch-rest-client
- org.elasticsearch:elasticsearch
[[java-rest-high-usage-initialization]]
=== Initialization
A `RestHighLevelClient` instance needs a <<java-rest-low-usage-initialization,REST low-level client>>
to be built as follows:
[source,java]
--------------------------------------------------
RestHighLevelClient client =
new RestHighLevelClient(lowLevelRestClient); <1>
--------------------------------------------------
<1> We pass the <<java-rest-low-usage-initialization,REST low-level client>> instance
In the rest of this documentation about the Java High Level Client, the `RestHighLevelClient` instance
will be referenced as `client`.