131 lines
4.6 KiB
Plaintext
131 lines
4.6 KiB
Plaintext
[[api-java]]
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== Java API
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deprecated[7.0.0, The `TransportClient` is deprecated in favour of the {java-rest}/java-rest-high.html[Java High Level REST Client] and will be removed in Elasticsearch 8.0. The {java-rest}/java-rest-high-level-migration.html[migration guide] describes all the steps needed to migrate.]
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{xpack} provides a Java client called `WatcherClient` that adds native Java
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support for the {watcher}.
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To obtain a `WatcherClient` instance, make sure you first set up the
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`XPackClient`.
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[float]
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=== Installing XPackClient
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You first need to make sure the +x-pack-transport-{version}+ JAR file is in the classpath.
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You can extract this jar from the downloaded {xpack} bundle.
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If you use Maven to manage dependencies, add the following to the `pom.xml`:
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["source","xml",subs="attributes,callouts"]
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--------------------------------------------------
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<project ...>
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<repositories>
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<!-- add the elasticsearch repo -->
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<repository>
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<id>elasticsearch-releases</id>
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<url>https://artifacts.elastic.co/maven</url>
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<releases>
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<enabled>true</enabled>
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</releases>
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<snapshots>
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<enabled>false</enabled>
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</snapshots>
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</repository>
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...
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</repositories>
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...
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<dependencies>
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<!-- add the x-pack jar as a dependency -->
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<dependency>
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<groupId>org.elasticsearch.client</groupId>
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<artifactId>x-pack-transport</artifactId>
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<version>{version}</version>
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</dependency>
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...
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</dependencies>
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...
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</project>
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--------------------------------------------------
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If you use Gradle, add the dependencies to `build.gradle`:
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["source","groovy",subs="attributes,callouts"]
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--------------------------------------------------------------
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repositories {
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/* ... Any other repositories ... */
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// Add the Elasticsearch Maven Repository
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maven {
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name "elastic"
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url "https://artifacts.elastic.co/maven"
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}
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}
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dependencies {
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// Provide the x-pack jar on the classpath for compilation and at runtime
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compile "org.elasticsearch.client:x-pack-transport:{version}"
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/* ... */
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}
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--------------------------------------------------------------
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You can also download the https://artifacts.elastic.co/maven/org/elasticsearch/client/x-pack-transport/{version}/x-pack-transport-{version}.jar[X-Pack Transport JAR]
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manually, directly from our Maven repository.
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[float]
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=== Obtaining the `WatcherClient`
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To obtain an instance of the `WatcherClient` you first need to create the
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`XPackClient`. The `XPackClient` is a wrapper around the standard Java
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Elasticsearch `Client`:
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[source,java]
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--------------------------------------------------
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import org.elasticsearch.client.transport.TransportClient;
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import org.elasticsearch.xpack.client.PreBuiltXPackTransportClient;
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import org.elasticsearch.xpack.core.XPackClient;
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import org.elasticsearch.xpack.core.XPackPlugin;
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import org.elasticsearch.core.watcher.client.WatcherClient;
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...
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TransportClient client = new PreBuiltXPackTransportClient(Settings.builder()
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.put("cluster.name", "myClusterName")
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...
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.build())
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.addTransportAddress(new TransportAddress(InetAddress.getByName("localhost"), 9300));
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XPackClient xpackClient = new XPackClient(client);
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WatcherClient watcherClient = xpackClient.watcher();
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--------------------------------------------------
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:edit_url: https://github.com/elastic/elasticsearch/edit/{branch}/x-pack/docs/en/watcher/java/put-watch.asciidoc
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include::java/put-watch.asciidoc[]
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:edit_url: https://github.com/elastic/elasticsearch/edit/{branch}/x-pack/docs/en/watcher/java/get-watch.asciidoc
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include::java/get-watch.asciidoc[]
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:edit_url: https://github.com/elastic/elasticsearch/edit/{branch}/x-pack/docs/en/watcher/java/delete-watch.asciidoc
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include::java/delete-watch.asciidoc[]
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:edit_url: https://github.com/elastic/elasticsearch/edit/{branch}/x-pack/docs/en/watcher/java/execute-watch.asciidoc
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include::java/execute-watch.asciidoc[]
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:edit_url: https://github.com/elastic/elasticsearch/edit/{branch}/x-pack/docs/en/watcher/java/ack-watch.asciidoc
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include::java/ack-watch.asciidoc[]
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:edit_url: https://github.com/elastic/elasticsearch/edit/{branch}/x-pack/docs/en/watcher/java/activate-watch.asciidoc
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include::java/activate-watch.asciidoc[]
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:edit_url: https://github.com/elastic/elasticsearch/edit/{branch}/x-pack/docs/en/watcher/java/deactivate-watch.asciidoc
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include::java/deactivate-watch.asciidoc[]
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:edit_url: https://github.com/elastic/elasticsearch/edit/{branch}/x-pack/docs/en/watcher/java/stats.asciidoc
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include::java/stats.asciidoc[]
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:edit_url: https://github.com/elastic/elasticsearch/edit/{branch}/x-pack/docs/en/watcher/java/service.asciidoc
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include::java/service.asciidoc[]
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