/// <summary>
/// Initializes a new instance of <see cref="SqlSnapshotStore"/> with a custom <see cref="ISnapshotStoreDialect"/>.
/// </summary>
/// <param name="serializer">The <see cref="ISerializeObjects"/> used to store binary data.</param>
/// <param name="settings">The snapshot store settings.</param>
/// <param name="dialect">The database dialect associated with this <see cref="SqlSnapshotStore"/>.</param>
internal SqlSnapshotStore(ISnapshotStoreDialect dialect, ISerializeObjects serializer, IStoreSnapshotSettings settings)
{
Verify.NotNull(serializer, nameof(serializer));
Verify.NotNull(settings, nameof(settings));
Verify.NotNull(dialect, nameof(dialect));
this.dialect = dialect;
this.serializer = serializer;
this.useAsyncWrite = settings.Async;
this.replaceExisting = settings.ReplaceExisting;
this.buffer = settings.Async ? CreateBuffer(settings, dialect) : null;
Initialize();
}
/// <summary>
/// Initializes a new instance of <see cref="SqlSnapshotStore"/> with a custom <see cref="ISnapshotStoreDialect"/>.
/// </summary>
/// <param name="serializer">The <see cref="ISerializeObjects"/> used to store binary data.</param>
/// <param name="settings">The snapshot store settings.</param>
/// <param name="dialect">The database dialect associated with this <see cref="SqlSnapshotStore"/>.</param>
internal SqlSnapshotStore(ISnapshotStoreDialect dialect, ISerializeObjects serializer, IStoreSnapshotSettings settings)
{
Verify.NotNull(serializer, nameof(serializer));
Verify.NotNull(settings, nameof(settings));
Verify.NotNull(dialect, nameof(dialect));
this.dialect = dialect;
this.serializer = serializer;
this.useAsyncWrite = settings.Async;
this.replaceExisting = settings.ReplaceExisting;
this.buffer = settings.Async ? CreateBuffer(settings, dialect) : null;
Initialize();
}
/// <summary>
/// Creates a <see cref="DataTable"/> based on the required insert/update command parameters.
/// </summary>
private static DbBatchOperation CreateBuffer(IStoreSnapshotSettings settings, ISnapshotStoreDialect dialect)
{
using (var command = dialect.CreateCommand(settings.ReplaceExisting ? dialect.ReplaceSnapshot : dialect.InsertSnapshot))
{
command.Parameters.Add(dialect.CreateStreamIdParameter(default(Guid)));
command.Parameters.Add(dialect.CreateVersionParameter(default(Int32)));
command.Parameters.Add(dialect.CreateStateParameter(default(Byte[])));
return(new DbBatchOperation(dialect, command, settings.BatchSize, settings.FlushInterval));
}
}
/// <summary>
/// Initializes a new instance of <see cref="SqlSnapshotStore"/>.
/// </summary>
/// <param name="dialect">The database dialect associated with this <see cref="SqlSnapshotStore"/>.</param>
/// <param name="serializer">The <see cref="ISerializeObjects"/> used to store binary data.</param>
public SqlSnapshotStore(ISnapshotStoreDialect dialect, ISerializeObjects serializer)
: this(dialect, serializer, Settings.SnapshotStore)
{
}
/// <summary>
/// Initializes a new instance of <see cref="SqlSnapshotStore"/>.
/// </summary>
/// <param name="dialect">The database dialect associated with this <see cref="SqlSnapshotStore"/>.</param>
/// <param name="serializer">The <see cref="ISerializeObjects"/> used to store binary data.</param>
public SqlSnapshotStore(ISnapshotStoreDialect dialect, ISerializeObjects serializer)
: this(dialect, serializer, Settings.SnapshotStore)
{
}
/// <summary>
/// Creates a <see cref="DataTable"/> based on the required insert/update command parameters.
/// </summary>
private static DbBatchOperation CreateBuffer(IStoreSnapshotSettings settings, ISnapshotStoreDialect dialect)
{
using (var command = dialect.CreateCommand(settings.ReplaceExisting ? dialect.ReplaceSnapshot : dialect.InsertSnapshot))
{
command.Parameters.Add(dialect.CreateStreamIdParameter(default(Guid)));
command.Parameters.Add(dialect.CreateVersionParameter(default(Int32)));
command.Parameters.Add(dialect.CreateStateParameter(default(Byte[])));
return new DbBatchOperation(dialect, command, settings.BatchSize, settings.FlushInterval);
}
}
