コード例 #1
0
 protected override bool ConditionsIsEnough(IContextMessage contextMessage)
 {
     if (_dbConnection == null)
     {
         contextMessage.AddError("数据库连接对象为空。");
         return(false);
     }
     try
     {
         _dbConnection.Open();
     }
     catch (Exception ex)
     {
         contextMessage.AddError(ex.Message);
         return(false);
     }
     try
     {
         _metadata = new BudGISMetadata();
     }
     catch (Exception ex)
     {
         contextMessage.AddError(ex.Message);
         return(false);
     }
     return(true);
 }
コード例 #2
0
ファイル: SpatialDbBuilder.cs プロジェクト: configare/hispeed
        public virtual void Build(IDbConnection connection, BudGISMetadata metadata, IProgressTracker tracker, params object[] args)
        {
            IDbTransaction tran = connection.BeginTransaction();

            try
            {
                using (IDbCommand cmd = connection.CreateCommand())
                {
                    cmd.Transaction = tran;
                    cmd.CommandType = CommandType.Text;
                    //
                    int steps = 0;
                    if (tracker != null)
                    {
                        tracker.StartTracking("开始创建元数据表...", 3);
                    }
                    //Create Tables
                    CreateTables(connection, metadata, cmd, tracker, ref steps);
                }
                //
                tran.Commit();
            }
            catch (Exception ex)
            {
                tran.Rollback();
                throw ex;
            }
        }
コード例 #3
0
ファイル: SpatialDbBuilder.cs プロジェクト: configare/hispeed
        public virtual void Clear(IDbConnection connection, BudGISMetadata metadata, bool isClearDataTables, IProgressTracker tracker)
        {
            IDbTransaction tran = connection.BeginTransaction();

            try
            {
                using (IDbCommand cmd = connection.CreateCommand())
                {
                    cmd.Transaction = tran;
                    cmd.CommandType = CommandType.Text;
                    if (tracker != null)
                    {
                        tracker.StartTracking("开始清空空间数据库...", 4);
                    }
                    //Clear dataTables
                    if (isClearDataTables)
                    {
                        if (tracker != null)
                        {
                            tracker.Tracking("正在清空数据表...", 0);
                        }
                        ClearDataTables(connection, cmd);
                    }
                    //drop BGIS_FeatureClass
                    if (tracker != null)
                    {
                        tracker.Tracking("正在删除系统表\"BGIS_FeatureClass\"...", 1);
                    }
                    cmd.CommandText = "drop table BGIS_FeatureClass";
                    cmd.ExecuteNonQuery();
                    //drop BGIS_FeatureDataset
                    if (tracker != null)
                    {
                        tracker.Tracking("正在删除系统表\"BGIS_FeatureDataset\"...", 2);
                    }
                    cmd.CommandText = "drop table BGIS_FeatureDataset";
                    cmd.ExecuteNonQuery();
                    //drop BGIS_Map
                    if (tracker != null)
                    {
                        tracker.Tracking("正在删除系统表\"BGIS_Map\"...", 3);
                    }
                    cmd.CommandText = "drop table BGIS_Map";
                    cmd.ExecuteNonQuery();
                }
                //
                tran.Commit();
            }
            catch (Exception ex)
            {
                tran.Rollback();
                throw ex;
            }
        }
コード例 #4
0
ファイル: SpatialDbBuilder.cs プロジェクト: configare/hispeed
 private void CreateTables(IDbConnection connection, BudGISMetadata metadata, IDbCommand cmd, IProgressTracker tracker, ref int steps)
 {
     if (metadata.Tables == null || metadata.Tables.Length == 0)
     {
         throw new ArgumentNullException("空间数据库元数据配置对象错误,元数据表为空。");
     }
     foreach (SystemTable table in metadata.Tables)
     {
         if (tracker != null)
         {
             tracker.Tracking("正在创建\"" + table.Name + "...", steps);
         }
         CreateTables(connection, table, cmd);
         steps++;
     }
 }