Examples of org.datanucleus.query.expression.ExpressionCompiler

Package org.datanucleus.query.expression

Examples of org.datanucleus.query.expression.ExpressionCompiler

org.datanucleus.query.expression.ExpressionCompiler
Compiler for expressions. Responsible for taking a Node tree and creating an Expression tree.

        if (filter != null)
        {
            // Generate the node tree for the filter
            Node node = parser.parse(filter);


            ExpressionCompiler comp = new ExpressionCompiler();
            comp.setSymbolTable(symtbl);
            Expression expr = comp.compileExpression(node);
            expr.bind();
            return expr;
        }
        return null;
    }

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        }
        Node[] node = parser.parseTupple(result);
        Expression[] expr = new Expression[node.length];
        for (int i = 0; i < node.length; i++)
        {
            ExpressionCompiler comp = new ExpressionCompiler();
            comp.setSymbolTable(symtbl);
            expr[i] = comp.compileExpression(node[i]);
            try
            {
                expr[i].bind();
            }
            catch (PrimaryExpressionIsClassLiteralException peil)

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        }
        Node[] node = parser.parseTupple(grouping);
        Expression[] expr = new Expression[node.length];
        for (int i = 0; i < node.length; i++)
        {
            ExpressionCompiler comp = new ExpressionCompiler();
            comp.setSymbolTable(symtbl);
            expr[i] = comp.compileExpression(node[i]);
            expr[i].bind();
        }
        return expr;
    }

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        if (having == null)
        {
            return null;
        }
        Node node = parser.parse(having);
        ExpressionCompiler comp = new ExpressionCompiler();
        comp.setSymbolTable(symtbl);
        Expression expr = comp.compileExpression(node);
        expr.bind();
        return expr;
    }

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        }
        Node[] node = parser.parseOrder(ordering);
        Expression[] expr = new Expression[node.length];
        for (int i = 0; i < node.length; i++)
        {
            ExpressionCompiler comp = new ExpressionCompiler();
            comp.setSymbolTable(symtbl);
            expr[i] = comp.compileOrderExpression(node[i]);
            expr[i].bind();
        }
        return expr;
    }

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