public void addAndExpression ( final INodeReadTrx mTransaction ) { assert getPipeStack ( ) . size ( ) >= 2 ; final AbsAxis mOperand2 = getPipeStack ( ) . pop ( ) . getExpr ( ) ; final AbsAxis operand1 = getPipeStack ( ) . pop ( ) . getExpr ( ) ; if ( getPipeStack ( ) . empty ( ) || getExpression ( ) . getSize ( ) != 0 ) { addExpressionSingle ( ) ; } getExpression ( ) . add ( new AndExpr ( mTransaction , operand1 , mOperand2 ) ) ; }
Adds a and expression to the pipeline .