コード例 #1
0
        public override void PrimeOutput(int outputs, int[] outputIDs, PipelineBuffer[] buffers)
        {
            PipelineBuffer mainBuffer = null;
            PipelineBuffer errorBuffer = null;
            IDTSOutput100 mainOutput = null;

            int errorOutID = 0;
            int errorOutIndex = 0;

            // If there is an error output, figure out which output is the main
            // and which is the error
            if (outputs == 2)
            {
                GetErrorOutputInfo(ref errorOutID, ref errorOutIndex);

                if (outputIDs[0] == errorOutID)
                {
                    mainBuffer = buffers[1];
                    errorBuffer = buffers[0];
                    mainOutput = this.ComponentMetaData.OutputCollection[1];
                }
                else
                {
                    mainBuffer = buffers[0];
                    errorBuffer = buffers[1];
                    mainOutput = this.ComponentMetaData.OutputCollection[0];
                }
            }
            else
            {
                mainBuffer = buffers[0];
                mainOutput = this.ComponentMetaData.OutputCollection[0];
            }

            bool firstRowColumnNames = (bool)this.GetComponentPropertyValue(PropertiesManager.ColumnNamesInFirstRowPropName);
            bool treatNulls = (bool)this.GetComponentPropertyValue(PropertiesManager.TreatEmptyStringsAsNullPropName);

            FileReader reader = new FileReader(this.fileName, this.GetEncoding());
            DelimitedFileParser parser = this.CreateParser();
            ComponentBufferService bufferService = new ComponentBufferService(mainBuffer, errorBuffer);

            BufferSink bufferSink = new BufferSink(bufferService, mainOutput, treatNulls);
            bufferSink.CurrentRowCount = parser.HeaderRowsToSkip + parser.DataRowsToSkip + (firstRowColumnNames ? 1 : 0);

            try
            {
                parser.SkipInitialRows(reader);

                RowData rowData = new RowData();
                while (!reader.IsEOF)
                {
                    parser.ParseNextRow(reader, rowData);
                    if (rowData.ColumnCount == 0)
                    {
                        // Last row with no data will be ignored.
                        break;
                    }
                    bufferSink.AddRow(rowData);
                }
            }
            catch (ParsingBufferOverflowException ex)
            {
                this.PostErrorAndThrow(MessageStrings.ParsingBufferOverflow(bufferSink.CurrentRowCount + 1, ex.ColumnIndex + 1, FieldParser.ParsingBufferMaxSize));
            }
            catch (RowColumnNumberOverflow)
            {
                this.PostErrorAndThrow(MessageStrings.MaximumColumnNumberOverflow(bufferSink.CurrentRowCount + 1, RowParser.MaxColumnNumber));
            }
            finally
            {
                reader.Close();
            }

            foreach (PipelineBuffer buffer in buffers)
            {
                buffer.SetEndOfRowset();
            }
        }
コード例 #2
0
        public override void PrimeOutput(int outputs, int[] outputIDs, PipelineBuffer[] buffers)
        {
            PipelineBuffer mainBuffer  = null;
            PipelineBuffer errorBuffer = null;
            IDTSOutput100  mainOutput  = null;

            int errorOutID    = 0;
            int errorOutIndex = 0;

            // If there is an error output, figure out which output is the main
            // and which is the error
            if (outputs == 2)
            {
                GetErrorOutputInfo(ref errorOutID, ref errorOutIndex);

                if (outputIDs[0] == errorOutID)
                {
                    mainBuffer  = buffers[1];
                    errorBuffer = buffers[0];
                    mainOutput  = this.ComponentMetaData.OutputCollection[1];
                }
                else
                {
                    mainBuffer  = buffers[0];
                    errorBuffer = buffers[1];
                    mainOutput  = this.ComponentMetaData.OutputCollection[0];
                }
            }
            else
            {
                mainBuffer = buffers[0];
                mainOutput = this.ComponentMetaData.OutputCollection[0];
            }

            bool firstRowColumnNames = (bool)this.GetComponentPropertyValue(PropertiesManager.ColumnNamesInFirstRowPropName);
            bool treatNulls          = (bool)this.GetComponentPropertyValue(PropertiesManager.TreatEmptyStringsAsNullPropName);

            FileReader             reader        = new FileReader(this.fileName, this.GetEncoding());
            DelimitedFileParser    parser        = this.CreateParser();
            ComponentBufferService bufferService = new ComponentBufferService(mainBuffer, errorBuffer);

            BufferSink bufferSink = new BufferSink(bufferService, mainOutput, treatNulls);

            bufferSink.CurrentRowCount = parser.HeaderRowsToSkip + parser.DataRowsToSkip + (firstRowColumnNames ? 1 : 0);

            try
            {
                parser.SkipInitialRows(reader);

                RowData rowData = new RowData();
                while (!reader.IsEOF)
                {
                    parser.ParseNextRow(reader, rowData);
                    if (rowData.ColumnCount == 0)
                    {
                        // Last row with no data will be ignored.
                        break;
                    }
                    bufferSink.AddRow(rowData);
                }
            }
            catch (ParsingBufferOverflowException ex)
            {
                this.PostErrorAndThrow(MessageStrings.ParsingBufferOverflow(bufferSink.CurrentRowCount + 1, ex.ColumnIndex + 1, FieldParser.ParsingBufferMaxSize));
            }
            catch (RowColumnNumberOverflow)
            {
                this.PostErrorAndThrow(MessageStrings.MaximumColumnNumberOverflow(bufferSink.CurrentRowCount + 1, RowParser.MaxColumnNumber));
            }
            finally
            {
                reader.Close();
            }

            foreach (PipelineBuffer buffer in buffers)
            {
                buffer.SetEndOfRowset();
            }
        }
コード例 #3
0
        public void AddRowTestWithException()
        {
            OutputTestImpl output = null;
            ComponentBufferServiceTestImpl bufferService = null;
            GenerateOutputColumns(new string[] { "A", "B", "C", "D" }, true, DTSRowDisposition.RD_FailComponent, DTSRowDisposition.RD_FailComponent, out output, out bufferService);
            bufferService.ExceptionToFire = new System.Runtime.InteropServices.COMException();
            BufferSink target = new BufferSink(bufferService, output, true);
            string[] data = new string[] { "1", "", "3", "4" };

            RowData rowData = GenerateRowData(data);
            try
            {
                target.AddRow(rowData);
            }
            catch (Exception ex)
            {
                Assert.AreEqual<Int64>(1, target.CurrentRowCount);
                Assert.AreEqual<int>(0, bufferService.RowCount);
                Assert.AreEqual<int>(0, bufferService.ErrorRowCount);
                throw ex;
            }
        }
コード例 #4
0
        public void AddRowTestWithOverflowExceptionIgnore()
        {
            OutputTestImpl output = null;
            ComponentBufferServiceTestImpl bufferService = null;
            GenerateOutputColumns(new string[] { "A", "B", "C", "D" }, true, DTSRowDisposition.RD_IgnoreFailure, DTSRowDisposition.RD_RedirectRow, out output, out bufferService);
            bufferService.ExceptionToFire = new ArgumentException();
            BufferSink target = new BufferSink(bufferService, output, true);
            // Say we have headers, etc...
            target.CurrentRowCount = 3;
            string[] data = new string[] { "1", "", "3", "4" };

            RowData rowData = GenerateRowData(data);
            target.AddRow(rowData);
            Assert.AreEqual<Int64>(4, target.CurrentRowCount);
            Assert.AreEqual<int>(0, bufferService.RowCount);
            Assert.AreEqual<int>(0, bufferService.ErrorRowCount);
        }
コード例 #5
0
        public void AddRowTestWithTooManyColumnsIgnore()
        {
            OutputTestImpl output = null;
            ComponentBufferServiceTestImpl bufferService = null;
            GenerateOutputColumns(new string[] { "A", "B", "C", "D" }, true, DTSRowDisposition.RD_FailComponent, DTSRowDisposition.RD_FailComponent, out output, out bufferService);
            output.TruncationRowDisposition = DTSRowDisposition.RD_IgnoreFailure;
            BufferSink target = new BufferSink(bufferService, output, true);
            string[] data = new string[] { "1", "", "3", "4", "5", "6" };

            RowData rowData = GenerateRowData(data);
            target.AddRow(rowData);
            Assert.AreEqual<Int64>(1, target.CurrentRowCount);
            Assert.AreEqual<int>(0, bufferService.RowCount);
            Assert.AreEqual<int>(0, bufferService.ErrorRowCount);
        }
コード例 #6
0
        public void AddRowTestWithLessColumns()
        {
            OutputTestImpl output = null;
            ComponentBufferServiceTestImpl bufferService = null;
            GenerateOutputColumns(new string[] { "A", "B", "C", "D" }, false, DTSRowDisposition.RD_FailComponent, DTSRowDisposition.RD_FailComponent, out output, out bufferService);
            BufferSink target = new BufferSink(bufferService, output, true);
            string[] data = new string[] { "1", "", "3" };

            RowData rowData = GenerateRowData(data);
            target.AddRow(rowData);

            Assert.AreEqual<Int64>(1, target.CurrentRowCount);
            Assert.AreEqual<int>(1, bufferService.RowCount);
            Assert.AreEqual<int>(0, bufferService.ErrorRowCount);

            VerifyAddedRowData(bufferService, new object[] { "1", null, "3" });
        }
コード例 #7
0
 public void CurrentRowCountTest()
 {
     IDTSOutput100 output = new OutputTestImpl();
     IComponentBufferService bufferService = new ComponentBufferServiceTestImpl(new string[0], false);
     BufferSink target = new BufferSink(bufferService, output, false);
     Assert.AreEqual<Int64>(0, target.CurrentRowCount);
 }
コード例 #8
0
 public void BufferSinkConstructorTest2()
 {
     ComponentBufferServiceTestImpl bufferService = new ComponentBufferServiceTestImpl(new string[0], false);
     BufferSink target = new BufferSink(bufferService, null, false);
 }
コード例 #9
0
 public void BufferSinkConstructorTest1()
 {
     BufferSink target = new BufferSink(null, null, false);
 }