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

Example 1 with EveryExpr

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

the class PipelineBuilder method addQuantifierExpr.

/**
 * Adds a SomeExpression or an EveryExpression to the pipeline, depending on the parameter isSome.
 *
 * @param mTransaction Transaction to operate with.
 * @param mIsSome defines whether a some- or an EveryExpression is used.
 * @param mVarNum number of binding variables
 */
public void addQuantifierExpr(final XdmNodeReadTrx mTransaction, final boolean mIsSome, final int mVarNum) {
    assert getPipeStack().size() >= (mVarNum + 1);
    final Axis satisfy = getPipeStack().pop().getExpr();
    final List<Axis> vars = new ArrayList<Axis>();
    int num = mVarNum;
    while (num-- > 0) {
        // invert current order of variables to get original variable order
        vars.add(num, getPipeStack().pop().getExpr());
    }
    final Axis mAxis = mIsSome ? new SomeExpr(mTransaction, vars, satisfy) : new EveryExpr(mTransaction, vars, satisfy);
    if (getPipeStack().empty() || getExpression().getSize() != 0) {
        addExpressionSingle();
    }
    getExpression().add(mAxis);
}