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/MonitoringBean.java

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+/*
+ * 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.sql.Connection;
+import java.sql.ResultSet;
+import java.sql.Statement;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.ListIterator;
+
+import javax.faces.context.FacesContext;
+import javax.faces.model.SelectItem;
+
+import org.jbpm.JbpmContext;
+import org.jbpm.graph.def.ProcessDefinition;
+
+
+/**
+ * Monitoring Bean Implementation.
+ *
+ * @author David Loiseau
+ */
+
+public class MonitoringBean {
+
+	long processInstanceId;
+	String message;
+	String variableName;
+	String variableValue;
+	String variableNameOperator;
+	String variableValueOperator;
+	ArrayList processInstances;
+	
+	public String showProcessDefinitions() {
+		return "processDefinitions";
+	}
+	
+	public List getProcessDefinitions() {
+		
+		ArrayList processDefinitionsList = new ArrayList();
+
+		JbpmContext jbpmContext = JbpmContext.getCurrentJbpmContext();
+		List processDefinitions = jbpmContext.getGraphSession().findAllProcessDefinitions();
+
+		if (processDefinitions.isEmpty() == false) {
+			ListIterator listProcessDefinitions = processDefinitions.listIterator();
+			while (listProcessDefinitions.hasNext() ) {
+				ProcessDefinition processDefinition = (ProcessDefinition)listProcessDefinitions.next();
+
+				int instancesCount = 0;
+				try {
+					Connection connection = jbpmContext.getConnection();
+					Statement statement = connection.createStatement();
+					
+					String request = "SELECT COUNT(*) AS instancesCount "
+						+ "FROM jbpm_processinstance " 
+						+ "WHERE processdefinition_='"
+						+ processDefinition.getId() + "'";
+					ResultSet resultSet = statement.executeQuery(request);
+					resultSet.next();
+					instancesCount = resultSet.getInt("instancesCount");
+				}
+				catch (Exception e) {}
+
+				processDefinitionsList.add(
+						new ProcessDefinitionBean(
+							processDefinition.getId(),
+							processDefinition.getName(),
+							processDefinition.getVersion(),
+							instancesCount
+							));					
+			}
+		}
+
+		return(processDefinitionsList);
+	}
+	
+	public String inspectInstance() {
+		try {
+			ProcessInstanceBean processInstanceBean = new ProcessInstanceBean(this.processInstanceId);
+			FacesContext.getCurrentInstance().getExternalContext().getSessionMap().put("processInstanceBean", processInstanceBean);
+			this.message = "";
+			return "inspectInstance";
+		}
+		catch (Exception exception) {
+			this.message = "Error for process instance " + this.processInstanceId;
+			return "";
+		}
+	}
+
+	public String showSearchInstances() {
+		return("showSearchInstances");
+	}
+	
+	public String searchInstances() {
+
+		long count = 0;
+		
+        JbpmContext jbpmContext = JbpmContext.getCurrentJbpmContext();
+
+		try {
+			Connection connection = jbpmContext.getConnection();
+			Statement statement = connection.createStatement();
+			statement.setMaxRows(100);
+			
+			String request = "SELECT DISTINCT processinstance_, name_, stringvalue_  FROM jbpm_variableinstance " 
+						+ "WHERE name_ "
+						+ this.variableNameOperator + " '" 
+						+ variableName + "' AND stringvalue_ "
+						+ this.variableValueOperator + " '" + variableValue + "'";
+
+			ResultSet resultSet = statement.executeQuery(request);
+			
+			processInstances = new ArrayList();
+			
+			while (resultSet.next()) {
+				processInstances.add(new ProcessInstanceBean(
+						resultSet.getLong("processinstance_"),
+						resultSet.getString("name_"),
+						resultSet.getString("stringvalue_")));
+				count++;
+			}
+			statement.close();
+		}
+		catch (Exception e) {
+			this.message = "Search error " + e.getMessage();
+		}
+		
+		if (count == 1) {
+			ProcessInstanceBean processInstanceBean = (ProcessInstanceBean)processInstances.iterator().next();
+			FacesContext.getCurrentInstance().getExternalContext().getSessionMap().put("processInstanceBean", processInstanceBean);
+			return("inspectInstance");	
+		}
+		return "";
+	}
+	
+	public List getOperatorsList (){
+
+        ArrayList operatorsList =  new ArrayList();
+
+		SelectItem item = new SelectItem("=", "is equal to");
+		operatorsList.add(item);
+		item = new SelectItem("like", "is like");
+		operatorsList.add(item);			
+        return operatorsList;
+		
+	}
+	
+	public long getProcessInstanceId() {
+		return processInstanceId;
+	}
+
+	public void setProcessInstanceId(long processInstanceId) {
+		this.processInstanceId = processInstanceId;
+	}
+
+	public String getMessage() {
+		return message;
+	}
+
+	public void setMessage(String message) {
+		this.message = message;
+	}
+	
+	public boolean isShowProcessInstances() {
+		if (processInstances == null) return false;
+		if (processInstances.size() == 0) return false;
+		return true;
+	}
+
+	public ArrayList getProcessInstances() {
+		return processInstances;
+	}
+
+	public String getVariableName() {
+		return variableName;
+	}
+
+	public void setVariableName(String variableName) {
+		this.variableName = variableName;
+	}
+
+	public String getVariableValue() {
+		return variableValue;
+	}
+
+	public void setVariableValue(String variableValue) {
+		this.variableValue = variableValue;
+	}
+
+	public String getVariableNameOperator() {
+		return variableNameOperator;
+	}
+
+	public void setVariableNameOperator(String variableNameOperator) {
+		this.variableNameOperator = variableNameOperator;
+	}
+
+	public String getVariableValueOperator() {
+		return variableValueOperator;
+	}
+
+	public void setVariableValueOperator(String variableValueOperator) {
+		this.variableValueOperator = variableValueOperator;
+	}
+
+
+}