src/main/java/ognl/Evaluation.java
public void init(SimpleNode node, Object source, boolean setOperation)
    {
        this.node = node;
        this.source = source;
        this.setOperation = setOperation;
        result = null;
        exception = null;
        parent = null;
        next = null;
        previous = null;
        firstChild = null;
        lastChild = null;
    }
public void init(SimpleNode node, Object source, boolean setOperation)
    {
        this.node = node;
        this.source = source;
        this.setOperation = setOperation;
        result = null;
        exception = null;
        parent = null;
        next = null;
        previous = null;
        firstChild = null;
        lastChild = null;
    }
Reinitializes this Evaluation to the parameters specified.