NDBGJK5.0/Kingo.Plugins/KGIS.Plugin.LayerProperty/Utils/DataSourceGeneric.cs

using KGIS.Plugin.LayerProperty.Enum;
using KGIS.Plugin.LayerProperty.Interface;
using KGIS.Plugin.LayerProperty.Utils.Storage;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Net.NetworkInformation;
using System.Text;
using System.Threading.Tasks;
using System.Xml.Serialization;

namespace KGIS.Plugin.LayerProperty.Utils
{
    public abstract class DataSourceGeneric
    {
        private const string TBSYS_DATASOURCE = "TBSYS_DATASOURCE";
        private const string F_ID = "F_ID";
        private const string F_NAME = "F_NAME";
        private const string F_KEY = "F_KEY";
        private const string F_ATTRIBUTE = "F_ATTRIBUTE";
        private const string F_TYPE = "F_TYPE";
        private const string F_DSTYPE = "F_DSTYPE";
        private EnumDataSource dsType;
        private DatabaseType rdsType;
        private string mark = "";
        private string name = "";
        private string user = "";
        private string password = "";
        [XmlAttribute]
        public EnumDataSource DSType
        {
            get
            {
                return this.dsType;
            }
            protected set
            {
                this.dsType = value;
            }
        }
        [XmlIgnore]
        public DatabaseType RDSType
        {
            get
            {
                return this.rdsType;
            }
            set
            {
                this.rdsType = value;
            }
        }
        [XmlAttribute]
        public string Mark
        {
            get
            {
                return this.mark;
            }
            set
            {
                this.mark = value;
            }
        }
        [XmlAttribute]
        public string Name
        {
            get
            {
                return this.name;
            }
            set
            {
                this.name = value;
            }
        }
        [XmlIgnore]
        public string User
        {
            get
            {
                return this.user;
            }
            set
            {
                this.user = value;
            }
        }
        [XmlIgnore]
        public string Password
        {
            get
            {
                return this.password;
            }
            set
            {
                this.password = value;
            }
        }
        public abstract string Persist
        {
            get;
        }
        public abstract ICoreRDBHelper RDBHelper
        {
            get;
        }
        public DataSourceGeneric(string mark, string name)
        {
            NetworkChange.NetworkAddressChanged += delegate
            {
                this.ReConnect();
            };
            this.Mark = mark;
            this.Name = name;
        }
        protected virtual void ReConnect()
        {
        }
        public abstract void Recover(string connectionstring);
        public bool Save()
        {
            try
            {
                ICoreRDBHelper systemRDBHelper = RDBHelperStorage.SystemRDBHelper;
                bool result;
                if (systemRDBHelper == null)
                {
                    result = false;
                    return result;
                }
                long nextValidID = systemRDBHelper.GetNextValidID("TBSYS_DATASOURCE", "F_ID");
                if (nextValidID == -1L)
                {
                    result = false;
                    return result;
                }
                StringBuilder stringBuilder = new StringBuilder();
                stringBuilder.Append("Insert into ");
                stringBuilder.Append("TBSYS_DATASOURCE");
                stringBuilder.Append("( ");
                stringBuilder.Append("F_ID,");
                stringBuilder.Append("F_NAME,");
                stringBuilder.Append("F_KEY,");
                stringBuilder.Append("F_ATTRIBUTE,");
                stringBuilder.Append("F_DSTYPE,");
                stringBuilder.Append("F_TYPE");
                stringBuilder.Append(") values (");
                stringBuilder.Append(nextValidID + ",");
                stringBuilder.Append("'" + this.Name + "',");
                stringBuilder.Append("'" + this.Mark + "',");
                stringBuilder.Append("'" + this.Persist + "',");
                stringBuilder.Append(Convert.ToInt32(this.DSType) + ",");
                stringBuilder.Append(Convert.ToInt32(this.RDSType) + ")");
                int num = systemRDBHelper.ExecuteSQL(stringBuilder.ToString());
                if (num > 0)
                {
                    result = true;
                    return result;
                }
                result = false;
                return result;
            }
            catch (Exception ex)
            {
                //TraceEvent.AddException(ex);
            }
            return false;
        }
        public bool Read()
        {
            try
            {
                bool result;
                if (this.Mark == "")
                {
                    result = false;
                    return result;
                }
                ICoreRDBHelper systemRDBHelper = RDBHelperStorage.SystemRDBHelper;
                if (systemRDBHelper == null)
                {
                    result = false;
                    return result;
                }
                string commandText = "select * from TBSYS_DATASOURCE where F_KEY='" + this.Mark + "'";
                DataTable dataTable = systemRDBHelper.ExecuteDatatable("TBSYS_DATASOURCE", commandText, true);
                if (dataTable == null)
                {
                    result = false;
                    return result;
                }
                if (dataTable.Rows.Count == 0)
                {
                    result = false;
                    return result;
                }
                DataRow dataRow = dataTable.Rows[0];
                this.Name = ((dataRow["F_NAME"] == DBNull.Value) ? "" : dataRow["F_NAME"].ToString());
                this.Mark = ((dataRow["F_KEY"] == DBNull.Value) ? "" : dataRow["F_KEY"].ToString());
                this.RDSType = (DatabaseType)((dataRow["F_TYPE"] == DBNull.Value) ? 0 : Convert.ToInt32(dataRow["F_TYPE"]));
                this.Recover((dataRow["F_ATTRIBUTE"] == DBNull.Value) ? "" : dataRow["F_ATTRIBUTE"].ToString());
                result = true;
                return result;
            }
            catch (Exception ex)
            {
                //TraceEvent.AddException(ex);
            }
            return false;
        }
        public bool Update()
        {
            try
            {
                ICoreRDBHelper systemRDBHelper = RDBHelperStorage.SystemRDBHelper;
                bool result;
                if (systemRDBHelper == null)
                {
                    result = false;
                    return result;
                }
                DataTable dataTable = systemRDBHelper.ExecuteDatatable("TBSYS_DATASOURCE", "SELECT * FROM TBSYS_DATASOURCE WHERE F_KEY='" + this.Mark + "'", false);
                if (dataTable == null)
                {
                    result = false;
                    return result;
                }
                dataTable.Rows[0]["F_NAME"] = this.Name;
                dataTable.Rows[0]["F_ATTRIBUTE"] = this.Persist;
                dataTable.Rows[0]["F_DSTYPE"] = Convert.ToInt32(this.DSType);
                dataTable.Rows[0]["F_TYPE"] = Convert.ToInt32(this.RDSType);
                result = systemRDBHelper.SaveTable("TBSYS_DATASOURCE", true);
                return result;
            }
            catch (Exception ex)
            {
                //TraceEvent.AddException(ex);
            }
            return false;
        }
        public bool UpdateEx(string newMark)
        {
            try
            {
                ICoreRDBHelper systemRDBHelper = RDBHelperStorage.SystemRDBHelper;
                bool result;
                if (systemRDBHelper == null)
                {
                    result = false;
                    return result;
                }
                DataTable dataTable = systemRDBHelper.ExecuteDatatable("TBSYS_DATASOURCE", "SELECT * FROM TBSYS_DATASOURCE WHERE F_KEY='" + this.Mark + "'", false);
                if (dataTable == null)
                {
                    result = false;
                    return result;
                }
                dataTable.Rows[0]["F_NAME"] = this.Name;
                dataTable.Rows[0]["F_ATTRIBUTE"] = this.Persist;
                dataTable.Rows[0]["F_DSTYPE"] = Convert.ToInt32(this.DSType);
                dataTable.Rows[0]["F_TYPE"] = Convert.ToInt32(this.RDSType);
                dataTable.Rows[0]["F_KEY"] = newMark;
                this.Mark = newMark;
                systemRDBHelper.SaveTable("TBSYS_DATASOURCE", true);
                result = true;
                return result;
            }
            catch (Exception ex)
            {
                //TraceEvent.AddException(ex);
            }
            return false;
        }
        public static bool Delete(string mark)
        {
            try
            {
                ICoreRDBHelper systemRDBHelper = RDBHelperStorage.SystemRDBHelper;
                bool result;
                if (systemRDBHelper == null)
                {
                    result = false;
                    return result;
                }
                if (systemRDBHelper.ExecuteNonQuery("DELETE FROM TBSYS_DATASOURCE WHERE F_KEY='" + mark + "'", CommandType.Text) == 0)
                {
                    result = false;
                    return result;
                }
                result = true;
                return result;
            }
            catch (Exception ex)
            {
                //TraceEvent.AddException(ex);
            }
            return false;
        }
        public override string ToString()
        {
            return this.Name;
        }
    }
}