示例#1
0
        /// <summary>
        /// Initializes this instance.
        /// </summary>
        protected override void Initialize()
        {
            SendMessage("Creating target data source");
            if (!ExpressUtility.CreateFlatFileDataSource(_outputFile))
            {
                throw new FdoETLException(ResourceUtil.GetStringFormatted("ERR_CANNOT_CREATE_DATA_FILE", _outputFile));
            }

            _outConn = ExpressUtility.CreateFlatFileConnection(_outputFile);
            _outConn.Open();

            ClassDefinition cd = _table.CreateClassDefinition(true);

            using (FdoFeatureService service = _outConn.CreateFeatureService())
            {
                SendMessage("Applying schema to target");
                FeatureSchema schema = new FeatureSchema("Schema1", "Default schema");
                schema.Classes.Add(cd);
                service.ApplySchema(schema);
            }

            SendMessage("Copying any attached spatial contexts");
            ExpressUtility.CopyAllSpatialContexts(_table.SpatialContexts, _outConn, true);

            Register(new FdoFeatureTableInputOperation(_table));
            Register(new FdoOutputOperation(_outConn, cd.Name));
        }
        private void btnSave_Click(object sender, EventArgs e)
        {
            var schema = _schema;

            //Remove elements that have been unchecked.
            foreach (TreeNode clsNode in treeSchema.Nodes)
            {
                string className = clsNode.Name;
                int    index     = schema.Classes.IndexOf(className);
                if (!clsNode.Checked)
                {
                    if (index >= 0)
                    {
                        schema.Classes.RemoveAt(index);
                    }
                }
                else
                {
                    if (index >= 0)
                    {
                        ClassDefinition clsDef = schema.Classes[index];
                        foreach (TreeNode propNode in clsNode.Nodes)
                        {
                            if (!propNode.Checked)
                            {
                                string propName = propNode.Text;
                                int    pidx     = clsDef.Properties.IndexOf(propName);
                                if (pidx >= 0)
                                {
                                    clsDef.Properties.RemoveAt(pidx);
                                    if (clsDef.IdentityProperties.Contains(propName))
                                    {
                                        int idpdx = clsDef.IdentityProperties.IndexOf(propName);
                                        clsDef.IdentityProperties.RemoveAt(idpdx);
                                    }
                                    if (clsDef.ClassType == ClassType.ClassType_FeatureClass)
                                    {
                                        FeatureClass fc = (FeatureClass)clsDef;
                                        if (fc.GeometryProperty.Name == propName)
                                        {
                                            fc.GeometryProperty = null;
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }

            if (rdXml.Checked)
            {
                using (var ios = new IoFileStream(txtXml.Text, "w"))
                {
                    using (var writer = new XmlWriter(ios, false, XmlWriter.LineFormat.LineFormat_Indent))
                    {
                        schema.WriteXml(writer);
                        writer.Close();
                    }
                    ios.Close();
                }

                MessageService.ShowMessage("Schema saved to: " + txtXml.Text);
                this.DialogResult = DialogResult.OK;
            }
            else if (rdFile.Checked)
            {
                string fileName = txtFile.Text;
                if (ExpressUtility.CreateFlatFileDataSource(fileName))
                {
                    FdoConnection conn        = ExpressUtility.CreateFlatFileConnection(fileName);
                    bool          disposeConn = true;
                    using (FdoFeatureService svc = conn.CreateFeatureService())
                    {
                        svc.ApplySchema(schema);
                        if (MessageService.AskQuestion("Schema saved to: " + txtFile.Text + " connect to it?", "Saved"))
                        {
                            FdoConnectionManager mgr = ServiceManager.Instance.GetService <FdoConnectionManager>();
                            string name = MessageService.ShowInputBox(ResourceService.GetString("TITLE_CONNECTION_NAME"), ResourceService.GetString("PROMPT_ENTER_CONNECTION"), "");
                            if (name == null)
                            {
                                return;
                            }

                            while (name == string.Empty || mgr.NameExists(name))
                            {
                                MessageService.ShowError(ResourceService.GetString("ERR_CONNECTION_NAME_EMPTY_OR_EXISTS"));
                                name = MessageService.ShowInputBox(ResourceService.GetString("TITLE_CONNECTION_NAME"), ResourceService.GetString("PROMPT_ENTER_CONNECTION"), name);

                                if (name == null)
                                {
                                    return;
                                }
                            }
                            disposeConn = false;
                            mgr.AddConnection(name, conn);
                        }
                    }
                    if (disposeConn)
                    {
                        conn.Close();
                        conn.Dispose();
                    }
                    this.DialogResult = DialogResult.OK;
                }
            }
        }
示例#3
0
        /// <summary>
        /// Creates a FDO bulk copy task. The target file will be created as part of
        /// this method call. If the target path is a directory, it is assumed that
        /// SHP files are to be created and copied to.
        /// </summary>
        /// <param name="sourceFile">The path to the source file.</param>
        /// <param name="targetPath">
        /// The path to the target file/directory. If it is a directory, it is assumed
        /// that SHP files are to be created and copied to.
        /// </param>
        /// <param name="copySpatialContexts">If true, will also copy spatial contexts</param>
        /// <param name="fixIncompatibleSchema">If true, will try to fix the source schema to make it compatible with the target connection. If false, an exception will be thrown</param>
        /// <param name="flattenGeometries">If true, will strip all Z and M coordinates from all geometries that are copied</param>
        /// <returns></returns>
        public static FdoBulkCopy CreateBulkCopy(string sourceFile, string targetPath, bool copySpatialContexts, bool fixIncompatibleSchema, bool flattenGeometries)
        {
            FdoBulkCopyOptions options = null;
            FdoConnection      source  = null;
            FdoConnection      target  = null;

            try
            {
                //Is a directory. Implies a SHP connection
                if (IsShp(targetPath))
                {
                    //SHP doesn't actually support CreateDataStore. We use the following technique:
                    // - Connect to base directory
                    // - Clone source schema and apply to SHP connection.
                    // - A SHP file and related files are created for each feature class.
                    string shpdir = Directory.Exists(targetPath) ? targetPath : Path.GetDirectoryName(targetPath);
                    source = CreateFlatFileConnection(sourceFile);
                    target = new FdoConnection("OSGeo.SHP", "DefaultFileLocation=" + shpdir);

                    source.Open();

                    //Verify source has only classes with single geometry storage and only one geometry
                    using (FdoFeatureService svc = source.CreateFeatureService())
                    {
                        using (FeatureSchemaCollection schemas = svc.DescribeSchema())
                        {
                            foreach (FeatureSchema sch in schemas)
                            {
                                foreach (ClassDefinition cd in sch.Classes)
                                {
                                    int geomProps = 0;
                                    foreach (PropertyDefinition pd in cd.Properties)
                                    {
                                        if (pd.PropertyType == PropertyType.PropertyType_GeometricProperty)
                                        {
                                            GeometricPropertyDefinition gp    = pd as GeometricPropertyDefinition;
                                            GeometricType[]             types = FdoGeometryUtil.GetGeometricTypes(gp.GeometryTypes);
                                            if (types.Length != 1 || (types.Length == 1 && types[0] == GeometricType.GeometricType_All))
                                            {
                                                throw new FdoETLException(string.Format("Source file cannot be copied to a SHP file. {0}:{1}.{2} has more than one geometry storage type", sch.Name, cd.Name, pd.Name));
                                            }
                                            geomProps++;
                                        }
                                    }
                                    if (geomProps > 1)
                                    {
                                        throw new FdoETLException("Source file cannot be copied to a SHP file. One or more feature classes have more than one geometry property");
                                    }
                                }
                            }
                        }
                    }
                }
                else
                {
                    if (!CreateFlatFileDataSource(targetPath))
                    {
                        throw new FdoException("Unable to create data source on: " + targetPath);
                    }
                    source = CreateFlatFileConnection(sourceFile);
                    target = CreateFlatFileConnection(targetPath);
                }

                //Source and target connections may have been opened before this point
                if (source.State == FdoConnectionState.Closed)
                {
                    source.Open();
                }

                if (target.State == FdoConnectionState.Closed)
                {
                    target.Open();
                }

                string srcName = "SOURCE";
                string dstName = "TARGET";

                Dictionary <string, FdoConnection> connections = new Dictionary <string, FdoConnection>();
                connections.Add(srcName, source);
                connections.Add(dstName, target);

                options = new FdoBulkCopyOptions(connections, true);

                if (copySpatialContexts)
                {
                    CopyAllSpatialContexts(source, target, true);
                }

                using (FdoFeatureService srcService = source.CreateFeatureService())
                    using (FdoFeatureService destService = target.CreateFeatureService())
                    {
                        FeatureSchemaCollection schemas = srcService.DescribeSchema();
                        //Assume single-schema
                        FeatureSchema fs = schemas[0];
                        //Clone and apply to target
                        FeatureSchema      targetSchema = FdoSchemaUtil.CloneSchema(fs);
                        IncompatibleSchema incSchema;
                        string             sourceSchemaName = fs.Name;
                        string             targetSchemaName = string.Empty;

                        bool canApply = destService.CanApplySchema(targetSchema, out incSchema);
                        if (canApply)
                        {
                            destService.ApplySchema(targetSchema);
                            targetSchemaName = targetSchema.Name;
                        }
                        else
                        {
                            if (fixIncompatibleSchema)
                            {
                                FeatureSchema fixedSchema = destService.AlterSchema(targetSchema, incSchema);
                                destService.ApplySchema(fixedSchema);
                                targetSchemaName = fixedSchema.Name;
                            }
                            else
                            {
                                throw new Exception(incSchema.ToString());
                            }
                        }

                        //Copy all classes
                        foreach (ClassDefinition cd in fs.Classes)
                        {
                            FdoClassCopyOptions copt = new FdoClassCopyOptions(srcName, dstName, sourceSchemaName, cd.Name, targetSchemaName, cd.Name);
                            copt.Name = "Copy source to target [" + cd.Name + "]";
                            copt.FlattenGeometries = flattenGeometries;
                            options.AddClassCopyOption(copt);

                            //Flick on batch support if we can
                            if (destService.SupportsBatchInsertion())
                            {
                                copt.BatchSize = 300; //Madness? THIS IS SPARTA!
                            }
                        }
                    }
            }
            catch (Exception)
            {
                if (source != null)
                {
                    source.Dispose();
                }
                if (target != null)
                {
                    target.Dispose();
                }

                throw;
            }
            return(new FdoBulkCopy(options));
        }
        public override int Execute()
        {
            CommandStatus retCode;

            FdoConnection srcConn  = new FdoConnection(_srcProvider, _srcConnStr);
            FdoConnection destConn = null;

            //Directory given, assume SHP
            if (Directory.Exists(_destPath))
            {
                destConn = new FdoConnection("OSGeo.SHP", "DefaultFileLocation=" + _destPath);
            }
            else
            {
                if (ExpressUtility.CreateFlatFileDataSource(_destPath))
                {
                    destConn = ExpressUtility.CreateFlatFileConnection(_destPath);
                }
                else
                {
                    throw new FdoException("Could not create data source: " + _destPath);
                }
            }

            try
            {
                srcConn.Open();
                destConn.Open();

                string srcName = "SOURCE";
                string dstName = "TARGET";

                FdoBulkCopyOptions options = new FdoBulkCopyOptions();
                options.RegisterConnection(srcName, srcConn);
                options.RegisterConnection(dstName, destConn);
                using (FdoFeatureService srcService = srcConn.CreateFeatureService())
                    using (FdoFeatureService destService = destConn.CreateFeatureService())
                    {
                        //See if spatial context needs to be copied to target
                        if (!string.IsNullOrEmpty(_srcSpatialContext))
                        {
                            SpatialContextInfo srcCtx = srcService.GetSpatialContext(_srcSpatialContext);
                            if (srcCtx != null)
                            {
                                Console.WriteLine("Copying spatial context: " + srcCtx.Name);
                                ExpressUtility.CopyAllSpatialContexts(new SpatialContextInfo[] { srcCtx }, destConn, true);
                            }
                        }
                        else
                        {
                            //Copy all
                            ExpressUtility.CopyAllSpatialContexts(srcConn, destConn, true);
                        }

                        FeatureSchema srcSchema = null;
                        //See if partial class list is needed
                        if (_srcClasses.Count > 0)
                        {
                            WriteLine("Checking if partial schema discovery is supported: " + srcService.SupportsPartialSchemaDiscovery());

                            srcSchema = srcService.PartialDescribeSchema(_srcSchema, _srcClasses);
                        }
                        else //Full copy
                        {
                            WriteLine("No classes specified, reading full source schema");
                            srcSchema = srcService.GetSchemaByName(_srcSchema);
                        }

                        if (srcSchema == null)
                        {
                            WriteError("Could not find source schema: " + _srcSchema);
                            retCode = CommandStatus.E_FAIL_SCHEMA_NOT_FOUND;
                        }
                        else
                        {
                            WriteLine("Checking source schema for incompatibilities");
                            FeatureSchema      targetSchema = null;
                            IncompatibleSchema incSchema;
                            if (destService.CanApplySchema(srcSchema, out incSchema))
                            {
                                int clsCount = srcSchema.Classes.Count;
                                WriteLine("Applying source schema (containing " + clsCount + " classes) to target");
                                destService.ApplySchema(srcSchema, null, true);
                                targetSchema = srcSchema;
                            }
                            else
                            {
                                WriteWarning("Incompatibilities were detected in source schema. Applying a modified version to target");
                                FeatureSchema fixedSchema = destService.AlterSchema(srcSchema, incSchema);
                                int           clsCount    = fixedSchema.Classes.Count;
                                WriteLine("Applying modified source schema (containing " + clsCount + " classes) to target");
                                destService.ApplySchema(fixedSchema, null, true);
                                targetSchema = fixedSchema;
                            }

                            //Now set class copy options
                            foreach (ClassDefinition cd in srcSchema.Classes)
                            {
                                FdoClassCopyOptions copt = new FdoClassCopyOptions(srcName, dstName, srcSchema.Name, cd.Name, targetSchema.Name, cd.Name);
                                copt.FlattenGeometries = _flatten;
                                options.AddClassCopyOption(copt);
                            }

                            if (_flatten)
                            {
                                WriteWarning("The switch -flatten has been defined. Geometries that are copied will have any Z or M coordinates removed");
                            }

                            FdoBulkCopy copy = new FdoBulkCopy(options);
                            copy.ProcessMessage   += new MessageEventHandler(OnMessage);
                            copy.ProcessCompleted += new EventHandler(OnCompleted);
                            Console.WriteLine("Executing bulk copy");
                            copy.Execute();
                            List <Exception> errors = new List <Exception>(copy.GetAllErrors());
                            if (errors.Count > 0)
                            {
                                string file = GenerateLogFileName("bcp-error-");
                                LogErrors(errors, file);
                                base.WriteError("Errors were encountered during bulk copy.");
                                retCode = CommandStatus.E_FAIL_BULK_COPY_WITH_ERRORS;
                            }
                            else
                            {
                                retCode = CommandStatus.E_OK;
                            }
                            retCode = CommandStatus.E_OK;
                        }
                    }
            }
            catch (Exception ex)
            {
                WriteException(ex);
                retCode = CommandStatus.E_FAIL_UNKNOWN;
            }
            finally
            {
                srcConn.Dispose();
                destConn.Dispose();
            }
            return((int)retCode);
        }