Interface IAsyncDbConnection

Wrapper over instance which contains all operations that could have custom implementation like:

  • IRetryPolicy support
  • asynchronous operations, missing from but provided by data provider implementation.

Inherited Members
Namespace: LinqToDB.Async
Assembly: linq2db.dll
Syntax
public interface IAsyncDbConnection : IAsyncDisposable

Properties

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Connection

Gets underlying connection instance.

Declaration
DbConnection Connection { get; }
Property Value
Type Description
DbConnection
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ConnectionString

Declaration
string ConnectionString { get; set; }
Property Value
Type Description
System.String
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State

Declaration
ConnectionState State { get; }
Property Value
Type Description
ConnectionState

Methods

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BeginTransaction()

Starts new transaction for current connection with default isolation level.

Declaration
IAsyncDbTransaction BeginTransaction()
Returns
Type Description
IAsyncDbTransaction

Database transaction object.
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BeginTransaction(IsolationLevel)

Starts new transaction for current connection with specified isolation level.

Declaration
IAsyncDbTransaction BeginTransaction(IsolationLevel isolationLevel)
Parameters
Type Name Description
IsolationLevel isolationLevel

Transaction isolation level.
Returns
Type Description
IAsyncDbTransaction

Database transaction object.
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BeginTransactionAsync(CancellationToken)

Starts new transaction asynchronously for current connection with default isolation level.

Declaration
Task<IAsyncDbTransaction> BeginTransactionAsync(CancellationToken cancellationToken)
Parameters
Type Name Description
CancellationToken cancellationToken

Asynchronous operation cancellation token.
Returns
Type Description
Task<IAsyncDbTransaction>

Database transaction object.
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BeginTransactionAsync(IsolationLevel, CancellationToken)

Starts new transaction asynchronously for current connection with specified isolation level.

Declaration
Task<IAsyncDbTransaction> BeginTransactionAsync(IsolationLevel isolationLevel, CancellationToken cancellationToken)
Parameters
Type Name Description
IsolationLevel isolationLevel

Transaction isolation level.
CancellationToken cancellationToken

Asynchronous operation cancellation token.
Returns
Type Description
Task<IAsyncDbTransaction>

Database transaction object.
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Close()

Declaration
void Close()
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CloseAsync()

Closes current connection asynchonously.

Declaration
Task CloseAsync()
Returns
Type Description
Task

Async operation task.
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CreateCommand()

Declaration
DbCommand CreateCommand()
Returns
Type Description
DbCommand
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Open()

Declaration
void Open()
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OpenAsync(CancellationToken)

Declaration
Task OpenAsync(CancellationToken cancellationToken)
Parameters
Type Name Description
CancellationToken cancellationToken
Returns
Type Description
Task
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TryClone()

Returns cloned connection instance, if underlying provider supports cloning or null otherwise.

Declaration
DbConnection? TryClone()
Returns
Type Description
System.Nullable<DbConnection>

Extension Methods