Package org.apache.vxquery.types

Examples of org.apache.vxquery.types.SequenceType

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    }

    private LogicalVariable translateLiteralNode(TranslationContext tCtx, LiteralNode lNode) throws SystemException {
        String image = lNode.getImage();
        LiteralNode.LiteralType lType = lNode.getType();
        SequenceType t = null;
        Object value = null;
        switch (lType) {
            case DECIMAL:
                t = SequenceType.create(BuiltinTypeRegistry.XS_DECIMAL, Quantifier.QUANT_ONE);
                value = Double.parseDouble(image);
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        return translateExpression(eNode.getExpr(), tCtx);
    }

    private LogicalVariable translateTypeExprNode(TranslationContext tCtx, TypeExprNode teNode) throws SystemException {
        LogicalVariable var = translateExpression(teNode.getExpr(), tCtx);
        SequenceType type = createSequenceType(teNode.getType());
        ILogicalExpression expr = null;
        switch (teNode.getOperator()) {
            case CAST:
                expr = cast(vre(var), type);
                break;
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            throw new SystemException(ErrorCode.XPST0017, fnNode.getName().getSourceLocation());
        }
        Signature sign = fn.getSignature();
        List<Mutable<ILogicalExpression>> argExprs = new ArrayList<Mutable<ILogicalExpression>>();
        for (int i = 0; i < args.size(); ++i) {
            SequenceType argType = sign.getParameterType(i);
            argExprs.add(mutable(normalize(vre(args.get(i)), argType)));
        }
        LogicalVariable lVar = createAssignment(new ScalarFunctionCallExpression(fn, argExprs), tCtx);
        return lVar;
    }
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                BuiltinTypeRegistry.XS_INTEGER, Quantifier.QUANT_ONE), lastLVar));
        LogicalVariable forLVar = newLogicalVariable();
        LogicalVariable posLVar = newLogicalVariable();
        UnnestOperator unnest = new UnnestOperator(forLVar, mutable(ufce(BuiltinOperators.ITERATE, vre(seqLVar))),
                posLVar, BuiltinTypeRegistry.XS_INTEGER, new VXQueryPositionWriter());
        SequenceType forVarType = SequenceType.create(AnyItemType.INSTANCE, Quantifier.QUANT_ONE);
        XQueryVariable forVar = new XQueryVariable(XMLQueryCompilerConstants.DOT_VAR_NAME, forVarType, forLVar);
        tCtx.varScope.registerVariable(forVar);
        SequenceType posVarType = SequenceType.create(BuiltinTypeRegistry.XS_INTEGER, Quantifier.QUANT_ONE);
        XQueryVariable posVar = new XQueryVariable(XMLQueryCompilerConstants.POS_VAR_NAME, posVarType, posLVar);
        tCtx.varScope.registerVariable(posVar);
        unnest.getInputs().add(mutable(tCtx.op));
        tCtx.op = unnest;
    }
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Related Classes of org.apache.vxquery.types.SequenceType

  • org.apache.vxquery.compiler.algebricks.prettyprint.VXQueryLogicalExpressionPrettyPrintVisitor
  • org.apache.vxquery.compiler.rewriter.rules.AbstractRemoveRedundantTypeExpressionsRule
  • org.apache.vxquery.compiler.rewriter.rules.EliminateSubplanForSingleItemsRule
  • org.apache.vxquery.compiler.rewriter.rules.RemoveUnusedTreatRule
  • org.apache.vxquery.runtime.functions.step.AbstractPathStepScalarEvaluator
  • org.apache.vxquery.runtime.functions.step.AbstractSinglePathStepScalarEvaluator
  • org.apache.vxquery.runtime.functions.step.ChildPathStepOperatorDescriptor
  • org.apache.vxquery.runtime.functions.step.ChildPathStepUnnesting
  • org.apache.vxquery.runtime.functions.type.AbstractTypeScalarEvaluatorFactory$AbstractTypeScalarEvaluator
  • org.apache.vxquery.xmlquery.translator.XMLQueryTranslator
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