示例#1
0
        /// <summary>
        /// We want to print the results out to a file.
        /// </summary>
        /// <param name="resultOperator"></param>
        /// <param name="queryModel"></param>
        /// <param name="_codeEnv"></param>
        /// <param name="_codeContext"></param>
        /// <param name="container"></param>
        /// <returns></returns>
        /// <remarks>
        /// We can handle several types of streams here:
        /// 1) a stream of double's - this is just one column.
        /// 2) A stream of Tuples
        /// 3) A stream of custom objects
        /// </remarks>
        public override Expression ProcessResultOperator(ResultOperatorBase resultOperator, QueryModel queryModel, IGeneratedQueryCode gc, ICodeContext cc, CompositionContainer container)
        {
            // Argument checking
            var asTTree = resultOperator as AsTTreeResultOperator;

            if (asTTree == null)
            {
                throw new ArgumentException("resultOperaton");
            }

            // Declare the includes.
            gc.AddIncludeFile("<map>");
            gc.AddIncludeFile("TSystem.h");
            gc.AddIncludeFile("TFile.h");
            gc.AddIncludeFile("TTree.h");

            // If we were left to our own devices generating an output file, then make one up based on the tree name.
            var outputFile = asTTree.OutputFile != null
                ? asTTree.OutputFile
                : new FileInfo($"{asTTree.TreeName}.root");

            // Generate a real filename. We are going to key the file by the cache key. Unfortunately, at this
            // point in the generation the cache key isn't known. So we have to have a 'promise' that can be used
            // for later when the code is actually generated.
            var outputFilePromise = GenerateUniqueFile(outputFile, cc);

            // Declare the TTree and the file we will be using!
            // Initialization is not important as we will over-write this directly.
            var stream = DeclarableParameter.CreateDeclarableParameterExpression(typeof(OutputTTreeFileType));

            stream.InitialValue = new OutputTTreeFileType(outputFilePromise);

            // Open the file and declare the tree
            gc.AddInitalizationStatement(new StatementSimpleStatement(() => $"{stream.RawValue}.first = new TFile(\"<><>{outputFilePromise().FullName.AddCPPEscapeCharacters()}<><>\",\"RECREATE\")", dependentVars: new string[0], resultVars: new string[] { stream.RawValue }));
            gc.AddInitalizationStatement(new StatementSimpleStatement($"{stream.RawValue}.second = new TTree(\"{asTTree.TreeName}\", \"{asTTree.TreeTitle}\")", dependentVars: new string[0], resultVars: new string[] { stream.RawValue }));

            // Get the list of item values we are going to need here.
            List <Expression> itemValues = ExtractItemValueExpressions(queryModel);

            // We are just going to print out the line with the item in it.
            var itemAsValues = itemValues.Select(iv => ExpressionToCPP.GetExpression(iv, gc, cc, container)).ToArray();
            var pstatement   = new StatementFillTree(stream, itemAsValues.Zip(asTTree.HeaderColumns, (i, h) => Tuple.Create(i, h)).ToArray());

            gc.Add(pstatement);

            // The return is a file path in the C# world. But here in C++, what should be returned?
            // We will use a string.
            return(stream);
        }
示例#2
0
        /// <summary>
        /// We want to print the results out to a file.
        /// </summary>
        /// <param name="resultOperator"></param>
        /// <param name="queryModel"></param>
        /// <param name="_codeEnv"></param>
        /// <param name="_codeContext"></param>
        /// <param name="container"></param>
        /// <returns></returns>
        /// <remarks>
        /// We can handle several types of streams here:
        /// 1) a stream of double's - this is just one column.
        /// 2) A stream of Tuples
        /// 3) A stream of custom objects
        /// </remarks>
        public override Expression ProcessResultOperator(ResultOperatorBase resultOperator, QueryModel queryModel, IGeneratedQueryCode gc, ICodeContext cc, CompositionContainer container)
        {
            // Argument checking
            var asTTree = resultOperator as AsTTreeResultOperator;
            if (asTTree == null)
                throw new ArgumentException("resultOperaton");

            // Declare the includes.
            gc.AddIncludeFile("<map>");
            gc.AddIncludeFile("TSystem.h");
            gc.AddIncludeFile("TFile.h");
            gc.AddIncludeFile("TTree.h");

            // If we were left to our own devices generating an output file, then make one up based on the tree name.
            var outputFile = asTTree.OutputFile != null
                ? asTTree.OutputFile
                : new FileInfo($"{asTTree.TreeName}.root");

            // Declare the TTree and the file we will be using!
            // Initialization is not important as we will over-write this directly.
            var stream = DeclarableParameter.CreateDeclarableParameterExpression(typeof(OutputTTreeFileType));
            stream.InitialValue = new OutputTTreeFileType(outputFile);

            // Generate a real filename. We are going to key the file by the cache key. Unfortunately, at this
            // point in the generation the cache key isn't known. So we have to have a 'promise' that can be used
            // for later when the code is actually generated.
            var outputFilePromise = GenerateUniqueFile(outputFile, cc);

            // Open the file and declare the tree
            gc.AddInitalizationStatement(new StatementSimpleStatement(() => $"{stream.RawValue}.first = new TFile(\"{outputFilePromise().FullName.AddCPPEscapeCharacters()}\",\"RECREATE\")", dependentVars: new string[0], resultVars: new string[] { stream.RawValue }));
            gc.AddInitalizationStatement(new StatementSimpleStatement($"{stream.RawValue}.second = new TTree(\"{asTTree.TreeName}\", \"{asTTree.TreeTitle}\")", dependentVars: new string[0],  resultVars: new string[] { stream.RawValue }));

            // Get the list of item values we are going to need here.
            List<Expression> itemValues = ExtractItemValueExpressions(queryModel);

            // We are just going to print out the line with the item in it.
            var itemAsValues = itemValues.Select(iv => ExpressionToCPP.GetExpression(iv, gc, cc, container)).ToArray();
            var pstatement = new StatementFillTree(stream, itemAsValues.Zip(asTTree.HeaderColumns, (i, h) => Tuple.Create(i, h)).ToArray());

            gc.Add(pstatement);

            // The return is a file path in the C# world. But here in C++, what should be returned?
            // We will use a string.
            return stream;
        }
示例#3
0
        /// <summary>
        /// We want to print the results out to a file.
        /// </summary>
        /// <param name="resultOperator"></param>
        /// <param name="queryModel"></param>
        /// <param name="_codeEnv"></param>
        /// <param name="_codeContext"></param>
        /// <param name="container"></param>
        /// <returns></returns>
        /// <remarks>
        /// We can handle several types of streams here:
        /// 1) a stream of double's - this is just one column.
        /// 2) A stream of Tuples
        /// 3) A stream of custom objects
        /// </remarks>
        public override Expression ProcessResultOperator(ResultOperatorBase resultOperator, QueryModel queryModel, IGeneratedQueryCode gc, ICodeContext cc, CompositionContainer container)
        {
            // Argument checking
            var asCSV = resultOperator as AsCSVResultOperator;

            if (asCSV == null)
            {
                throw new ArgumentException("resultOperaton");
            }

            // Declare the includes.
            gc.AddIncludeFile("<fstream>");
            gc.AddIncludeFile("<iostream>");

            // The output filename. How we do this is a little funny because we need the hash from the completely
            // done query, which isn't ready just yet.
            var outputFile = GenerateUniqueFile(asCSV.OutputFile, cc);
            var stream     = DeclarableParameter.CreateDeclarableParameterExpression(typeof(OutputCSVTextFileType));

            stream.InitialValue = new OutputCSVTextFileType(outputFile);

            var  headerline = new StringBuilder();
            bool first      = true;

            foreach (var h in asCSV.HeaderColumns)
            {
                if (!first)
                {
                    headerline.Append(",");
                }
                headerline.Append(h);
                first = false;
            }
            gc.AddInitalizationStatement(new Statements.StatementSimpleStatement($"{stream.RawValue} << \"{headerline.ToString()}\" << std::endl;", dependentVars: new string[0], resultVars: new string[] { stream.RawValue }));

            // Get the list of item values we are going to need here.
            List <Expression> itemValues = ExtractItemValueExpressions(queryModel);

            // We are just going to print out the line with the item in it.
            var itemAsValues = itemValues.Select(iv => ExpressionToCPP.GetExpression(iv, gc, cc, container));
            var pstatement   = new StatementCSVDump(stream, itemAsValues.ToArray());

            gc.Add(pstatement);

            // The return is a file path in the C# world. But here in C++, what should be returned?
            // We will use a string.
            return(stream);
        }
示例#4
0
        /// <summary>
        /// We want to print the results out to a file.
        /// </summary>
        /// <param name="resultOperator"></param>
        /// <param name="queryModel"></param>
        /// <param name="_codeEnv"></param>
        /// <param name="_codeContext"></param>
        /// <param name="container"></param>
        /// <returns></returns>
        /// <remarks>
        /// We can handle several types of streams here:
        /// 1) a stream of double's - this is just one column.
        /// 2) A stream of Tuples
        /// 3) A stream of custom objects
        /// </remarks>
        public override Expression ProcessResultOperator(ResultOperatorBase resultOperator, QueryModel queryModel, IGeneratedQueryCode gc, ICodeContext cc, CompositionContainer container)
        {
            // Argument checking
            var asCSV = resultOperator as AsCSVResultOperator;
            if (asCSV == null)
                throw new ArgumentException("resultOperaton");

            // Declare the includes.
            gc.AddIncludeFile("<fstream>");
            gc.AddIncludeFile("<iostream>");

            // The output filename. How we do this is a little funny because we need the hash from the completely
            // done query, which isn't ready just yet.
            var outputFile = GenerateUniqueFile(asCSV.OutputFile, cc);
            var stream = DeclarableParameter.CreateDeclarableParameterExpression(typeof(OutputCSVTextFileType));
            stream.InitialValue = new OutputCSVTextFileType(outputFile);

            var headerline = new StringBuilder();
            bool first = true;
            foreach (var h in asCSV.HeaderColumns)
            {
                if (!first)
                {
                    headerline.Append(", ");
                }
                headerline.Append(h);
                first = false;
            }
            gc.AddInitalizationStatement(new Statements.StatementSimpleStatement($"{stream.RawValue} << \"{headerline.ToString()}\" << std::endl;", dependentVars: new string[0], resultVars: new string[] { stream.RawValue }));

            // Get the list of item values we are going to need here.
            List<Expression> itemValues = ExtractItemValueExpressions(queryModel);

            // We are just going to print out the line with the item in it.
            var itemAsValues = itemValues.Select(iv => ExpressionToCPP.GetExpression(iv, gc, cc, container));
            var pstatement = new StatementCSVDump(stream, itemAsValues.ToArray());
            gc.Add(pstatement);

            // The return is a file path in the C# world. But here in C++, what should be returned?
            // We will use a string.
            return stream;
        }