ProcessDefinitionSwitcher.java

package org.jboss.mobicents.seam.actions;

import java.util.ArrayList;
import java.util.List;

import javax.faces.model.SelectItem;

import org.jboss.seam.ScopeType;
import org.jboss.seam.annotations.In;
import org.jboss.seam.annotations.Name;
import org.jboss.seam.annotations.Scope;
import org.jboss.seam.bpm.Jbpm;
import org.jbpm.JbpmContext;

/**
 * Switches JBPM process definitions dynamically
 */
@Name("processDefinitionSwitcher")
@Scope(ScopeType.APPLICATION)
public class ProcessDefinitionSwitcher {
	static final String[] ORDER_DEFS = { "ordermanagement3.jpdl.xml",
			"ordermanagement2.jpdl.xml", "ordermanagement1.jpdl.xml" };

	@In(value = "org.jboss.seam.bpm.jbpm")
	private Jbpm jbpm;

	@In
	private JbpmContext jbpmContext;

	public List<SelectItem> getProcessDefinitions() {
		List<SelectItem> result = new ArrayList<SelectItem>();
		for (String def : ORDER_DEFS) {
			result.add(new SelectItem(def, def.substring(0, def.length() - 9)));
		}
		return result;
	}

	private String currentProcessDefinition;

	public String getCurrentProcessDefinition() {
		return currentProcessDefinition;
	}

	public void setCurrentProcessDefinition(String def) {
		currentProcessDefinition = def;
	}

	public String switchProcess() {
		jbpmContext.deployProcessDefinition(jbpm
				.getProcessDefinitionFromResource(currentProcessDefinition));
		return null;
	}

}