--- a/CHANGES	Tue Oct 14 16:47:01 2014 +0200
+++ b/CHANGES	Tue Oct 14 16:48:22 2014 +0200
@@ -10,6 +10,7 @@
 * Allow writing of incomplete CVRF documents.
 * Allow parsing of incomplete CVRF documents.
 * Add a method to extract a document ID.
+* Add methods to extract Product references in a Document.
 * Add method to get a Vulnerability Note per ordinal.
 * Fix issue where Acknowledgment could only have one Name and Organization.
 * Complete the CVRF template with missing elements

--- a/farolluz/cvrf.py	Tue Oct 14 16:47:01 2014 +0200
+++ b/farolluz/cvrf.py	Tue Oct 14 16:48:22 2014 +0200
@@ -673,6 +673,40 @@
                 return note
         return None
 
+    def mentionsProdId(self, productid):
+        """ Returns in which sub element, self is mentioning the productid """
+        for category in (self._productstatuses, self._threats, self._cvsss, self._remediations):
+            for subelem in category:
+                if productid in subelem._productids:
+                    yield subelem
+
+    def isMentioningProdId(self, productid):
+        """ Returns if self is mentioning the productid """
+        for e in self.mentionsProdId(productid):
+            # We only need to know if the generator yield at least one elem.
+            return True
+        return False
+
+    def mentionsGroupId(self, groupid):
+        for category in (self._threats, self._remediations):
+            for subelem in category:
+                if groupid in subelem._groupids:
+                    yield subelem
+
+    def isMentioningGroupId(self, groupids):
+        """ Make sure you call this with a list (not a generator or a tuple)
+        when wished """
+        if not isinstance(groupids, list):
+            groupids = [groupids]
+        for groupid in groupids:
+            print "testing GroupId: ", groupid
+            for _ in self.mentionsGroupId(groupid):
+                # We only need to know if the generator yield at least one elem.
+                print 'True'
+                return True
+        print 'False'
+        return False
+
     def validate(self, productids, groupids):
         if not self._ordinal:
             raise ValidationError('A Vulnerability must have an ordinal')
@@ -714,7 +748,6 @@
             acknowledgment.validate()
 
 
-
 class CVRFInvolvement(object):
     PARTIES = CVRFPublisher.TYPES
     STATUSES = ('Open', 'Disputed', 'In Progress', 'Completed',
@@ -756,6 +789,7 @@
 class CVRFProductStatus(object):
     TYPES = ('First Affected', 'Known Affected', 'Known Not Affected',
              'First Fixed', 'Fixed', 'Recommended', 'Last Affected')
+    NAME = "Product Status"
     def __init__(self, _type):
         self._type = _type
         self._productids = []
@@ -780,6 +814,7 @@
 
 class CVRFThreat(object):
     TYPES = ('Impact', 'Exploit Status', 'Target Set')
+    NAME = "Threat"
     def __init__(self, _type, description):
         self._type = _type
         self._description = description
@@ -822,6 +857,7 @@
               'C': {'N':0.0, 'P':0.275, 'C':0.66},
               'I': {'N':0.0, 'P':0.275, 'C':0.66},
               'A': {'N':0.0, 'P':0.275, 'C':0.66}}
+    NAME = "CVSS Score Set"
     def __init__(self, basescore):
         self._basescore = basescore
         self._temporalscore = None
@@ -874,6 +910,7 @@
 class CVRFRemediation(object):
     TYPES = ('Workaround', 'Mitigation', 'Vendor Fix', 'None Available',
              'Will Not Fix')
+    NAME = "Remediation"
     def __init__(self, _type, description):
         self._type = _type
         self._description = description
@@ -1002,6 +1039,27 @@
                         products.add(productid)
         return set(self.getProductForID(p) for p in products)
 
+    def isProductOrphan(self, productid):
+        """ Returns if a productid is mentionned nowhere in the document """
+        # We first look at the ProductTree
+        ptree = self._producttree
+        for relation in ptree._relationships:
+            if productid == relation._productreference:
+                return False
+            if productid == relation._relatestoproductreference:
+                return False
+        groupids = [g._groupid for g in ptree._groups if productid in g._productids]
+        if len(groupids) > 0:
+            return False
+        # Go through all the Vulnerabilities
+        for vulnerability in self._vulnerabilities:
+            if vulnerability.isMentioningProdId(productid):
+                return False
+            for groupid in groupids:
+                if vulnerability.isMentioningGroupId(groupid):
+                    return False
+        return True
+
     def getNote(self, ordinal):
         for note in self._notes:
             if note._ordinal == ordinal: