Package org.datanucleus.query.expression

Examples of org.datanucleus.query.expression.ParameterExpression

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            }
            else if (expr.getLeft() instanceof ParameterExpression)
            {
                // "{paramExpr}.field[.field[.field]]"
                setNotPrecompilable(); // Need parameter values to process this
                ParameterExpression paramExpr = (ParameterExpression)expr.getLeft();
                Symbol paramSym = compilation.getSymbolTable().getSymbol(paramExpr.getId());
                if (paramSym.getValueType() != null && paramSym.getValueType().isArray())
                {
                    // Special case : array "methods" (particularly "length")
                    String first = expr.getTuples().get(0);
                    processParameterExpression(paramExpr, true);
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            PrimaryExpression primExpr = (PrimaryExpression)param;
            arg1Obj = eval.getValueForPrimaryExpression(primExpr);
        }
        else if (param instanceof ParameterExpression)
        {
            ParameterExpression paramExpr = (ParameterExpression)param;
            arg1Obj = QueryUtils.getValueForParameterExpression(eval.getParameterValues(), paramExpr);
        }
        else if (param instanceof Literal)
        {
            arg1Obj = ((Literal)param).getLiteral();
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            PrimaryExpression primExpr = (PrimaryExpression)param;
            paramValue = eval.getValueForPrimaryExpression(primExpr);
        }
        else if (param instanceof ParameterExpression)
        {
            ParameterExpression paramExpr = (ParameterExpression)param;
            paramValue = QueryUtils.getValueForParameterExpression(eval.getParameterValues(), paramExpr);
        }
        else if (param instanceof Literal)
        {
            paramValue = ((Literal)param).getLiteral();
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            PrimaryExpression primExpr = (PrimaryExpression)param;
            paramValue = eval.getValueForPrimaryExpression(primExpr);
        }
        else if (param instanceof ParameterExpression)
        {
            ParameterExpression paramExpr = (ParameterExpression)param;
            paramValue = QueryUtils.getValueForParameterExpression(eval.getParameterValues(), paramExpr);
        }
        else if (param instanceof Literal)
        {
            paramValue = ((Literal)param).getLiteral();
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            PrimaryExpression primExpr = (PrimaryExpression)param;
            argObj = eval.getValueForPrimaryExpression(primExpr);
        }
        else if (param instanceof ParameterExpression)
        {
            ParameterExpression paramExpr = (ParameterExpression)param;
            argObj = QueryUtils.getValueForParameterExpression(eval.getParameterValues(), paramExpr);
        }
        else if (param instanceof Literal)
        {
            argObj = ((Literal)param).getLiteral();
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        return exprOrdering;
    }

    public ParameterExpression getParameterExpressionForPosition(int pos)
    {
        ParameterExpression paramExpr = null;
        if (exprResult != null)
        {
            for (int i=0;i<exprResult.length;i++)
            {
                paramExpr = QueryUtils.getParameterExpressionForPosition(exprResult[i], pos);
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    public static String getStringValueForExpression(Expression expr, Map parameters)
    {
        String paramValue = null;
        if (expr instanceof ParameterExpression)
        {
            ParameterExpression paramExpr = (ParameterExpression) expr;
            Object obj = getValueForParameterExpression(parameters, paramExpr);
            paramValue = getStringValue(obj);
        }
        else if (expr instanceof Literal)
        {
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            return (ParameterExpression)rootExpr;
        }

        if (rootExpr.getLeft() != null)
        {
            ParameterExpression paramExpr = getParameterExpressionForPosition(rootExpr.getLeft(), pos);
            if (paramExpr != null)
            {
                return paramExpr;
            }
        }
        if (rootExpr.getRight() != null)
        {
            ParameterExpression paramExpr = getParameterExpressionForPosition(rootExpr.getRight(), pos);
            if (paramExpr != null)
            {
                return paramExpr;
            }
        }
        if (rootExpr instanceof InvokeExpression)
        {
            InvokeExpression invokeExpr = (InvokeExpression)rootExpr;
            List<Expression> args = invokeExpr.getArguments();
            if (args != null)
            {
                Iterator<Expression> argIter = args.iterator();
                while (argIter.hasNext())
                {
                    ParameterExpression paramExpr = getParameterExpressionForPosition(argIter.next(), pos);
                    if (paramExpr != null)
                    {
                        return paramExpr;
                    }
                }
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    private Symbol getSymbolForParameterInCompilation(QueryCompilation compilation, Object paramKey)
    {
        Symbol sym = null;
        if (paramKey instanceof Integer)
        {
            ParameterExpression expr = compilation.getParameterExpressionForPosition((Integer)paramKey);
            if (expr != null)
            {
                sym = expr.getSymbol();
            }
        }
        else
        {
            String paramName = (String)paramKey;
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            }
            return primExpr.getId();
        }
        else if (expr instanceof ParameterExpression)
        {
            ParameterExpression paramExpr = (ParameterExpression)expr;
            if (paramExpr.getId() != null)
            {
                return ":" + paramExpr.getId();
            }
            else
            {
                return "?" + paramExpr.getPosition();
            }
        }
        else if (expr instanceof VariableExpression)
        {
            VariableExpression varExpr = (VariableExpression)expr;
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  • org.datanucleus.api.jdo.query.JDOTypesafeQuery
  • org.datanucleus.query.compiler.QueryCompilation
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  • org.datanucleus.query.evaluator.memory.CollectionContainsMethodEvaluator
  • org.datanucleus.query.evaluator.memory.ConcatFunctionEvaluator
  • org.datanucleus.query.evaluator.memory.LengthFunctionEvaluator
  • org.datanucleus.query.evaluator.memory.LocateFunctionEvaluator
  • org.datanucleus.query.evaluator.memory.LowerFunctionEvaluator
  • org.datanucleus.query.evaluator.memory.MapContainsKeyMethodEvaluator
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