This plugin invokes your scripts on Elasticsearch event.
'org.codelibs:elasticsearch-eventhook:1.4.0'
<dependency>
<groupId>org.codelibs</groupId>
<artifactId>elasticsearch-eventhook</artifactId>
<version>1.4.0</version>
</dependency>
<dependency org="org.codelibs" name="elasticsearch-eventhook" rev="1.4.0"/>
"org.codelibs", "elasticsearch-eventhook", "1.4.0"