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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 33377] New: - A bug in BeanPointer::asPath()
Date Wed, 02 Feb 2005 23:14:43 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=33377

           Summary: A bug in BeanPointer::asPath()
           Product: Commons
           Version: 1.2 Final
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: major
          Priority: P2
         Component: JXPath
        AssignedTo: commons-dev@jakarta.apache.org
        ReportedBy: krishna.patil@gmail.com


The method call JXPathContext::iteratePointers() returns the correct number of 
pointers. However, the pointers do not always return correct path on asPath() 
method call on them. A pointer returns a path that corresponds to the last 
Node in the sibling Nodes of the node that the pointer points to.

Here is an example:

Class A{
       private List list;
      //getter and setter
      :
}

Here is a code snippet for creating an object graph that starts from
instance of A.

A a1 = new A();
List list1 = new LinkedList();

A a11 = new A();
list1.add(a11);

A a12 = new A();
List list12 = new LinkedList();
A a121 = new A();
list12.add(a121);
a12.setList(list12);
list1.add(a12);

A a13 = new A();
list1.add(a11);

a1.setList(list1);

And the list attribute can have instances of A as elements in it.

The JXPathContext correspong to a1 returns pointers when it's iteratePointers
() method is called. And the pointers correspond to the following nodes.

A[1]
A[2]
A[2]/A[1]
A[3]

This is absolutely as expected. However, asPath() method on each of these 
Pointers do not always return the correct path.

Currently, the asPath() method calls on the corresponding Pointers return this 
output respectively.

A[3]
A[3]
A[2]/A[1]
A[3]

This needs to be fixed.

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