COPPER is an open-source, powerful, light-weight, and easily configurable workflow engine. The power of COPPER is that it uses Java as a description language for workflows.
'org.copper-engine:orch-interfaces:3.2.2'
<dependency> <groupId>org.copper-engine</groupId> <artifactId>orch-interfaces</artifactId> <version>3.2.2</version> </dependency>
<dependency org="org.copper-engine" name="orch-interfaces" rev="3.2.2"/>
"org.copper-engine", "orch-interfaces", "3.2.2"