Workflow checkpoint.

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@3399 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/jbpm/webapp/bean/ProcessDefinitionBean.java

@@ -0,0 +1,141 @@
+/*
+ * JBoss, Home of Professional Open Source
+ * Copyright 2005, JBoss Inc., and individual contributors as indicated
+ * by the @authors tag. See the copyright.txt in the distribution for a
+ * full listing of individual contributors.
+ *
+ * This is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this software; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+ */
+package org.jbpm.webapp.bean;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.ListIterator;
+
+import javax.faces.context.FacesContext;
+
+import org.jbpm.JbpmContext;
+import org.jbpm.db.GraphSession;
+import org.jbpm.graph.def.ProcessDefinition;
+import org.jbpm.graph.exe.ProcessInstance;
+
+/**
+ * Process Definition Bean Implementation.
+ * 
+ * @author David Loiseau
+ */
+
+public class ProcessDefinitionBean {
+
+  String name;
+  int version;
+  long id;
+  int instancesCount;
+
+  public ProcessDefinitionBean() {
+  }
+
+  public ProcessDefinitionBean(long id) {
+    this.id = id;
+    initialize();
+  }
+
+  public ProcessDefinitionBean(long id, String name, int version, int instancesCount) {
+    this.id = id;
+    this.name = name;
+    this.version = version;
+    this.instancesCount = instancesCount;
+  }
+
+  private void initialize() {
+    JbpmContext jbpmContext = JbpmContext.getCurrentJbpmContext();
+    GraphSession graphSession = jbpmContext.getGraphSession();
+    ProcessDefinition processDefinition = graphSession.loadProcessDefinition(id);
+    this.name = processDefinition.getName();
+    this.version = processDefinition.getVersion();
+    this.instancesCount = graphSession.findProcessInstances(this.id).size();
+  }
+
+  public List getProcessInstances() {
+
+    JbpmContext jbpmContext = JbpmContext.getCurrentJbpmContext();
+    GraphSession graphSession = jbpmContext.getGraphSession();
+
+    ArrayList processInstancesList = new ArrayList();
+
+    List listProcessInstance = graphSession.findProcessInstances(this.id);
+
+    if (listProcessInstance.isEmpty() == false) {
+      ListIterator listProcessInstances = listProcessInstance.listIterator();
+      while (listProcessInstances.hasNext()) {
+        ProcessInstance processInstance = (ProcessInstance) listProcessInstances.next();
+
+        processInstancesList.add(new ProcessInstanceBean(processInstance.getId(), processInstance.getStart(), processInstance.getEnd()));
+      }
+    }
+
+    return processInstancesList;
+  }
+
+  public String showProcessInstances() {
+    ProcessDefinitionBean processDefinitionBean = new ProcessDefinitionBean();
+    processDefinitionBean.setId(this.id);
+    FacesContext.getCurrentInstance().getExternalContext().getSessionMap().put("processDefinitionBean", processDefinitionBean);
+    return ("processInstances");
+  }
+  
+  public String startProcessInstance() {
+	JbpmContext jbpmContext = JbpmContext.getCurrentJbpmContext();
+	GraphSession graphSession = jbpmContext.getGraphSession();
+	ProcessDefinition processDefinition = graphSession.loadProcessDefinition(getId());
+	processDefinition.createInstance();
+	return showProcessInstances();
+  }
+
+  public long getId() {
+    return id;
+  }
+
+  public void setId(long id) {
+    this.id = id;
+    this.initialize();
+  }
+
+  public int getInstancesCount() {
+    return instancesCount;
+  }
+
+  public void setInstancesCount(int instancesCount) {
+    this.instancesCount = instancesCount;
+  }
+
+  public String getName() {
+    return name;
+  }
+
+  public void setName(String name) {
+    this.name = name;
+  }
+
+  public int getVersion() {
+    return version;
+  }
+
+  public void setVersion(int version) {
+    this.version = version;
+  }
+
+}