Examples with ExceptAxis org.sirix.service.xml.xpath.expr.ExceptAxis used on opensource projects

Example 1 with ExceptAxis

use of org.sirix.service.xml.xpath.expr.ExceptAxis in project sirix by sirixdb.

the class PipelineBuilder method addIntExcExpression.

/**
 * Adds a intersect or a exception expression to the pipeline.
 *
 * @param mTransaction Transaction to operate with.
 * @param mIsIntersect true, if expression is an intersection
 */
public void addIntExcExpression(final XdmNodeReadTrx mTransaction, final boolean mIsIntersect) {
    assert getPipeStack().size() >= 2;
    final XdmNodeReadTrx rtx = mTransaction;
    final Axis mOperand2 = getPipeStack().pop().getExpr();
    final Axis mOperand1 = getPipeStack().pop().getExpr();
    final Axis axis = mIsIntersect ? new IntersectAxis(rtx, mOperand1, mOperand2) : new ExceptAxis(rtx, mOperand1, mOperand2);
    if (getPipeStack().empty() || getExpression().getSize() != 0) {
        addExpressionSingle();
    }
    getExpression().add(axis);
}