jj: Database Version 0.0.3

This commit is contained in:
Jonathan Jenne 2018-11-09 10:49:59 +01:00
parent 084fa29f3d
commit c27cf5e8a0
2 changed files with 53 additions and 92 deletions

View File

@ -5,9 +5,9 @@ Imports DigitalData.Modules.Logging
''' <summary>
''' MODULE: Firebird
'''
''' VERSION: 0.0.0.3
''' VERSION: 0.0.0.2
'''
''' DATE: 08.11.2018
''' DATE: 03.09.2018
'''
''' DESCRIPTION:
'''
@ -17,15 +17,15 @@ Imports DigitalData.Modules.Logging
'''
''' FirebirdSql.Data.FirebirdClient, >= 6.0.0
'''
''' PARAMETERS: LogConfig, DigitalData.Modules.Logging.LogConfig
''' PARAMETERS: LogFactory, NLog.LogFactory
''' The LogFactory containing the current log config. Used to instanciate the class logger for this and any dependent class
'''
''' DataSource, String
''' The server where the database lives, for example 127.0.0.1 or dd-vmx09-vm03
'''
''' Database, String
''' The location of the Database in the format `127.0.0.1:E:\Path\To\Database.FDB`
'''
''' Database, String
''' The server where the database lives, for example 127.0.0.1 or dd-vmx09-vm03
'''
''' User, String
''' The user name to connect as
'''
@ -52,26 +52,23 @@ Public Class Firebird
Private _connectionDatabase As String
Private _connectionUsername As String
Private _connectionPassword As String
Private _connectionString As String
Public ReadOnly Property ConnectionEstablished As Boolean
Public ReadOnly Property ConnectionFailed As Boolean
Public ReadOnly Property ConnectionString As String
Get
Return _connectionString
End Get
End Property
Public ReadOnly Property DatabaseName As String
Get
Dim oRegex As New Regex("^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:")
Dim oPath As String = oRegex.Replace(_connectionDatabase, "")
Dim oFileInfo As New IO.FileInfo(oPath)
Return oFileInfo.Name
Dim fi As New IO.FileInfo(oPath)
Return fi.Name
End Get
End Property
''' <summary>
'''
''' </summary>
''' <param name="LogFactory"></param>
''' <param name="Datasource"></param>
''' <param name="Database"></param>
''' <param name="User"></param>
@ -87,7 +84,7 @@ Public Class Firebird
_connectionDatabase = Database
_connectionUsername = User
_connectionPassword = Password
_connectionString = oConnectionString
_ConnectionString = oConnectionString
' Test the connection
Dim oConnection = GetConnection()
@ -101,11 +98,15 @@ Public Class Firebird
Public Function GetConnection() As FbConnection
Try
Dim oConnection = New FbConnection(_connectionString)
Dim oConnection = New FbConnection(_ConnectionString)
oConnection.Open()
_ConnectionEstablished = True
_ConnectionFailed = False
Return oConnection
Catch ex As Exception
_ConnectionFailed = True
_ConnectionEstablished = False
_logger.Error(ex)
Return Nothing
@ -133,18 +134,16 @@ Public Class Firebird
''' Executes a non-query command.
''' </summary>
''' <param name="SqlCommand">The command to execute</param>
''' <param name="Connection">The Firebird connection to use</param>
''' <returns>True, if command was executed sucessfully. Otherwise false.</returns>
Public Function ExecuteNonQueryWithConnection(SqlCommand As String, Connection As FbConnection) As Boolean
Dim oConnection As FbConnection = GetConnection()
Dim oTransaction As FbTransaction
If oConnection Is Nothing Then
Return False
End If
Public Function ExecuteNonQuery(SqlCommand As String) As Boolean
Try
oTransaction = oConnection.BeginTransaction()
Dim oConnection As FbConnection = GetConnection()
If oConnection Is Nothing Then
Return False
End If
Dim oTransaction As FbTransaction = oConnection.BeginTransaction()
Dim oCommand As New FbCommand With {
.CommandText = SqlCommand,
.Connection = oConnection,
@ -161,41 +160,29 @@ Public Class Firebird
End Try
End Function
''' <summary>
''' Executes a non-query command.
''' </summary>
''' <param name="SqlCommand">The command to execute</param>
''' <returns>True, if command was executed sucessfully. Otherwise false.</returns>
Public Function ExecuteNonQuery(SqlCommand As String) As Boolean
Dim oConnection As FbConnection = GetConnection()
Dim oScalarValue As Object = ExecuteNonQueryWithConnection(SqlCommand, oConnection)
oConnection.Close()
Return oScalarValue
End Function
''' <summary>
''' Executes a sql query resulting in a scalar value.
''' </summary>
''' <param name="SqlQuery">The query to execute</param>
''' <param name="Connection">The Firebird connection to use</param>
''' <returns>The scalar value if the command was executed successfully. Nothing otherwise.</returns>
Public Function GetScalarValueWithConnection(SqlQuery As String, Connection As FbConnection) As Object
Public Function GetScalarValue(SqlQuery As String) As Object
Try
If Connection Is Nothing Then
Dim oConnection As FbConnection = GetConnection()
If oConnection Is Nothing Then
Return Nothing
End If
Dim oTransaction As FbTransaction = Connection.BeginTransaction()
Dim oTransaction As FbTransaction = oConnection.BeginTransaction()
Dim oCommand As New FbCommand With {
.CommandText = SqlQuery,
.Connection = Connection,
.Connection = oConnection,
.Transaction = oTransaction
}
Dim oResult As Object = oCommand.ExecuteScalar()
oTransaction.Commit()
oConnection.Close()
Return oResult
Catch ex As Exception
@ -204,59 +191,33 @@ Public Class Firebird
End Try
End Function
''' <summary>
''' Executes a sql query resulting in a scalar value.
''' </summary>
''' <param name="SqlQuery">The query to execute</param>
''' <returns>The scalar value if the command was executed successfully. Nothing otherwise.</returns>
Public Function GetScalarValue(SqlQuery As String) As Object
Dim oConnection As FbConnection = GetConnection()
Dim oScalarValue As Object = GetScalarValueWithConnection(SqlQuery, oConnection)
oConnection.Close()
Return oScalarValue
End Function
''' <summary>
''' Executes a sql query resulting in a table of values.
''' </summary>
''' <param name="SqlQuery">The query to execute</param>
''' <param name="Connection">The Firebird connection to use</param>
''' <returns>A datatable containing the results if the command was executed successfully. Nothing otherwise.</returns>
Public Function GetDatatableWithConnection(SqlQuery As String, Connection As FbConnection) As DataTable
Try
If Connection Is Nothing Then
Return Nothing
End If
Dim oCommand As New FbCommand With {
.CommandText = SqlQuery,
.Connection = Connection
}
Dim oAdapter As New FbDataAdapter(oCommand)
Dim oDatatable As New DataTable() With {.TableName = "DDRESULT"}
oAdapter.Fill(oDatatable)
Return oDatatable
Catch ex As Exception
_logger.Error(ex, $"Error in GetDatatableWithConnection while executing command: '{SqlQuery}'")
Throw ex
End Try
End Function
''' <summary>
''' Executes a sql query resulting in a table of values.
''' </summary>
''' <param name="SqlQuery">The query to execute</param>
''' <returns>A datatable containing the results if the command was executed successfully. Nothing otherwise.</returns>
Public Function GetDatatable(SqlQuery As String) As DataTable
Dim oConnection As FbConnection = GetConnection()
Dim oDatatable As DataTable = GetDatatableWithConnection(SqlQuery, oConnection)
Try
Dim oConnection As FbConnection = GetConnection()
oConnection.Close()
If oConnection Is Nothing Then
Return Nothing
End If
Return oDatatable
Dim oCommand As New FbCommand With {
.CommandText = SqlQuery,
.Connection = oConnection
}
Dim oAdapter As New FbDataAdapter(oCommand)
Dim oDatatable As New DataTable()
oAdapter.Fill(oDatatable)
oConnection.Close()
Return oDatatable
Catch ex As Exception
_logger.Error(ex, $"Error in ReturnDatatable while executing command: '{SqlQuery}'")
Return Nothing
End Try
End Function
End Class

View File

@ -31,5 +31,5 @@ Imports System.Runtime.InteropServices
' übernehmen, indem Sie "*" eingeben:
' <Assembly: AssemblyVersion("1.0.*")>
<Assembly: AssemblyVersion("0.0.0.3")>
<Assembly: AssemblyVersion("0.0.0.2")>
<Assembly: AssemblyFileVersion("1.0.0.0")>