First cut of the start workflow wizard

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@3483 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/web/bean/repository/Node.java

@@ -36,8 +36,6 @@ import org.alfresco.service.cmr.security.PermissionService;
 import org.alfresco.service.namespace.QName;
 import org.alfresco.service.namespace.RegexQNamePattern;
 import org.alfresco.web.app.Application;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 
 /**
  * Lighweight client side representation of a node held in the repository. 
@@ -48,28 +46,25 @@ public class Node implements Serializable
 {
    private static final long serialVersionUID = 3544390322739034169L;
 
-   protected static final Log logger = LogFactory.getLog(Node.class);
-   
    protected NodeRef nodeRef;
-   private String name;
-   private QName type;
-   private String path;
-   private String id;
-   private Set<QName> aspects = null;
-   private Map<String, Boolean> permissions;
-   private Boolean locked = null;
-   private Boolean workingCopyOwner = null;
+   protected String name;
+   protected QName type;
+   protected String path;
+   protected String id;
+   protected Set<QName> aspects = null;
+   protected Map<String, Boolean> permissions;
+   protected Boolean locked = null;
+   protected Boolean workingCopyOwner = null;
    protected QNameNodeMap<String, Object> properties;
    protected boolean propsRetrieved = false;
    protected ServiceRegistry services = null;
+   protected boolean childAssocsRetrieved = false;
+   protected QNameNodeMap childAssociations;
+   protected boolean assocsRetrieved = false;
+   protected QNameNodeMap associations;
    
-   private boolean childAssocsRetrieved = false;
-   private QNameNodeMap childAssociations;
    private Map<String, Map<String, ChildAssociationRef>> childAssociationsAdded;
    private Map<String, Map<String, ChildAssociationRef>> childAssociationsRemoved;
-   
-   private boolean assocsRetrieved = false;
-   private QNameNodeMap associations;
    private Map<String, Map<String, AssociationRef>> associationsAdded;
    private Map<String, Map<String, AssociationRef>> associationsRemoved;
    
@@ -94,7 +89,7 @@ public class Node implements Serializable
    /**
     * @return All the properties known about this node.
     */
-   public Map<String, Object> getProperties()
+   public final Map<String, Object> getProperties()
    {
       if (this.propsRetrieved == false)
       {
@@ -120,7 +115,7 @@ public class Node implements Serializable
    {
       if (this.assocsRetrieved == false)
       {
-         associations = new QNameNodeMap(getServiceRegistry().getNamespaceService(), this);
+         this.associations = new QNameNodeMap(getServiceRegistry().getNamespaceService(), this);
          
          List<AssociationRef> assocs = getServiceRegistry().getNodeService().getTargetAssocs(this.nodeRef, RegexQNamePattern.MATCH_ALL);
          
@@ -341,7 +336,7 @@ public class Node implements Serializable
     * 
     * @return true if the permission is applied to the node for this user, false otherwise
     */
-   public final boolean hasPermission(String permission)
+   public boolean hasPermission(String permission)
    {
       Boolean valid = null;
       if (permissions != null)

source/java/org/alfresco/web/bean/repository/QNameNodeMap.java

@@ -16,15 +16,11 @@
  */
 package org.alfresco.web.bean.repository;
 
-import java.util.Collection;
 import java.util.HashMap;
 import java.util.Map;
-import java.util.Set;
 
 import org.alfresco.service.namespace.NamespacePrefixResolver;
 import org.alfresco.service.namespace.QNameMap;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 
 /**
  * A extension of the repo QNameMap to provide custom property resolving support for Node wrappers.
@@ -86,6 +82,7 @@ public final class QNameNodeMap<K,V> extends QNameMap implements Map, Cloneable
    /**
     * @see java.util.Map#get(java.lang.Object)
     */
+   @SuppressWarnings("unchecked")
    public Object get(Object key)
    {
       String qnameKey = Repository.resolveToQNameString(key.toString());
@@ -120,6 +117,7 @@ public final class QNameNodeMap<K,V> extends QNameMap implements Map, Cloneable
    /**
     * Shallow copy the map by copying keys and values into a new QNameNodeMap
     */
+   @SuppressWarnings("unchecked")
    public Object clone()
    {
       QNameNodeMap map = new QNameNodeMap(this.resolver, this.parent);

source/java/org/alfresco/web/bean/repository/TransientNode.java

@@ -0,0 +1,141 @@
+package org.alfresco.web.bean.repository;
+
+import java.io.Serializable;
+import java.util.HashSet;
+import java.util.Map;
+
+import org.alfresco.error.AlfrescoRuntimeException;
+import org.alfresco.service.cmr.dictionary.AspectDefinition;
+import org.alfresco.service.cmr.dictionary.AssociationDefinition;
+import org.alfresco.service.cmr.dictionary.DictionaryService;
+import org.alfresco.service.cmr.dictionary.PropertyDefinition;
+import org.alfresco.service.cmr.dictionary.TypeDefinition;
+import org.alfresco.service.cmr.repository.NodeRef;
+import org.alfresco.service.namespace.QName;
+import org.alfresco.util.GUID;
+
+/**
+ * Represents a transient node i.e. it is not and will not be present in the repository.
+ * <p>
+ * This type of node is typically used to drive the property sheet when data collection
+ * is required for a type but the node does not need to be stored in the repository. An
+ * example use is the workflow, transient nodes are used to collect workitem metadata.
+ * 
+ * @author gavinc
+ */
+public class TransientNode extends Node
+{
+   private static final long serialVersionUID = 2140554155948154106L;
+
+   /**
+    * Constructor.
+    * <p>
+    * NOTE: The name is NOT automatically added to the map of properties,
+    * if you need the name of this node to be in the map then add it to
+    * the map passed in to this constructor.
+    * 
+    * @param type The type this node will represent
+    * @param name The name of the node
+    * @param data The properties and associations this node will have
+    */
+   public TransientNode(QName type, String name, Map<QName, Serializable> data)
+   {
+      // create a dummy NodeRef to pass to the constructor
+      super(new NodeRef(Repository.getStoreRef(), GUID.generate()));
+      
+      this.type = type;
+      this.name = name;
+      
+      // initialise the node
+      initNode(data);
+   }
+
+   /**
+    * Initialises the node.
+    *
+    * @param data The properties and associations to initialise the node with
+    */
+   protected void initNode(Map<QName, Serializable> data)
+   {
+      // setup the transient node so that the super class methods work
+      // and do not need to go back to the repository
+      
+      DictionaryService ddService = this.getServiceRegistry().getDictionaryService();
+      
+      // marshall the given properties and associations into the internal maps
+      this.associations = new QNameNodeMap(getServiceRegistry().getNamespaceService(), this);
+      this.childAssociations = new QNameNodeMap(getServiceRegistry().getNamespaceService(), this);
+
+      if (data != null)
+      {
+         // go through all data items and allocate to the correct internal list
+         for (QName item : data.keySet())
+         {
+            PropertyDefinition propDef = ddService.getProperty(item);
+            if (propDef != null)
+            {
+               this.properties.put(item, data.get(item));
+            }
+            else
+            {
+               // see if the item is either type of association
+               AssociationDefinition assocDef = ddService.getAssociation(item);
+               if (assocDef != null)
+               {
+                  if (assocDef.isChild())
+                  {
+                     this.childAssociations.put(item, data.get(item));
+                  }
+                  else
+                  {
+                     this.associations.put(item, data.get(item));
+                  }
+               }
+            }
+         }
+      }
+  
+      // show that the maps have been initialised
+      this.propsRetrieved = true;
+      this.assocsRetrieved = true;
+      this.childAssocsRetrieved = true;
+      
+      // setup the list of aspects the node would have
+      TypeDefinition typeDef = ddService.getType(this.type);
+      if (typeDef == null)
+      {
+         throw new AlfrescoRuntimeException("Failed to find type definition for start task: " + this.type);
+      }
+      
+      this.aspects = new HashSet<QName>();
+      for (AspectDefinition aspectDef : typeDef.getDefaultAspects())
+      {
+         this.aspects.add(aspectDef.getName());
+      }
+      
+      // setup remaining variables
+      this.path = "";
+      this.locked = Boolean.FALSE;
+      this.workingCopyOwner = Boolean.FALSE;
+   }
+   
+   @Override
+   public boolean hasPermission(String permission)
+   {
+      return true;
+   }
+
+   @Override
+   public void reset()
+   {
+      // don't reset anything otherwise we'll lose our data
+      // with no way of getting it back!!
+   }
+
+   @Override
+   public String toString()
+   {
+      return "Transient node of type: " + getType() + 
+             "\nProperties: " + this.getProperties().toString();
+   }
+}