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

Example 1 with VariableAxis

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

the class PipelineBuilder method addVariableExpr.

/**
 * Adds a variable expression to the pipeline. Adds the expression that will evaluate the results
 * the variable holds.
 *
 * @param mTransaction Transaction to operate with.
 * @param mVarName name of the variable
 */
public void addVariableExpr(final XdmNodeReadTrx mTransaction, final String mVarName) {
    assert getPipeStack().size() >= 1;
    final Axis bindingSeq = getPipeStack().pop().getExpr();
    final Axis axis = new VariableAxis(mTransaction, bindingSeq);
    mVarRefMap.put(mVarName, axis);
    if (getPipeStack().empty() || getExpression().getSize() != 0) {
        addExpressionSingle();
    }
    getExpression().add(axis);
}