Directory based queue.
'ch.cern.dirq:dirq:1.6'
<dependency> <groupId>ch.cern.dirq</groupId> <artifactId>dirq</artifactId> <version>1.6</version> </dependency>
<dependency org="ch.cern.dirq" name="dirq" rev="1.6"/>
"ch.cern.dirq", "dirq", "1.6"