package com.sample.action;import org.jbpm.graph.def.ActionHandler;import org.jbpm.graph.exe.ExecutionContext;public class MessageActionHandler implements ActionHandler {	private static final long serialVersionUID = 1L;		/**	 * The message member gets its value from the configuration in the 	 * processdefinition. The value is injected directly by the engine. 	 */	String message;	/**	 * A message process variable is assigned the value of the message	 * member. The process variable is created if it doesn't exist yet.	 */	public void execute(ExecutionContext context) throws Exception {		context.getContextInstance().setVariable("message", message);	}}