drools-eclipse/org.drools.eclipse/src/main/java/org/drools/eclipse/editors/rete/model/GraphicalVertex.java
public void setSize(Dimension newSize) {
        if ( newSize != null ) {
            size.setSize( newSize );
            firePropertyChange( SIZE_PROP,
                                null,
                                size );
        }
    }
public void setSize(Dimension newSize) {
        if ( newSize != null ) {
            size.setSize( newSize );
            firePropertyChange( SIZE_PROP,
                                null,
                                size );
        }
    }
Set the Size of this vertex.
Will not update the size if newSize is null.
@param newSize a non-null Dimension instance or null