[droolers] Last node in Builder class

[Maheedhar (STP)]

HI ,

In the 
        AddRule() method of Builder Class there is a statement

TupleSource lastNode = (TupleSource) attachableNodes.iterator().next();

Coulld U please tell me What the LastNode refers to. What If the
AttchableNodes set has more than one node and what if it does not have any
node?


Thank you,
Maheedhar Vishwanathula 


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