/// <summary>
/// Ensure configuration is correct on both server and client side
/// </summary>
public virtual async Task <(SyncContext, DmSet)> EnsureSchemaAsync(SyncContext context, MessageEnsureSchema message)
{
DbConnection connection = null;
DbTransaction transaction = null;
try
{
context.SyncStage = SyncStage.SchemaReading;
using (connection = this.CreateConnection())
{
await connection.OpenAsync();
await this.InterceptAsync(new ConnectionOpenArgs(context, connection));
using (transaction = connection.BeginTransaction())
{
await this.InterceptAsync(new TransactionOpenArgs(context, connection, transaction));
// if we dont have already read the tables || we want to overwrite the current config
if (message.Schema.HasTables && !message.Schema.HasColumns)
{
this.ReadSchema(message.Schema, connection, transaction);
}
// Progress & Interceptor
context.SyncStage = SyncStage.SchemaRead;
var schemaArgs = new SchemaArgs(context, message.Schema, connection, transaction);
this.ReportProgress(context, schemaArgs);
await this.InterceptAsync(schemaArgs);
await this.InterceptAsync(new TransactionCommitArgs(context, connection, transaction));
transaction.Commit();
}
connection.Close();
}
return(context, message.Schema);
}
catch (SyncException)
{
throw;
}
catch (Exception ex)
{
throw new SyncException(ex, SyncStage.SchemaReading);
}
finally
{
if (connection != null && connection.State != ConnectionState.Closed)
{
connection.Close();
}
await this.InterceptAsync(new ConnectionCloseArgs(context, connection, transaction));
}
}
/// <summary>
/// Ensure configuration is correct on both server and client side
/// </summary>
public virtual async Task <(SyncContext, SyncSet)> EnsureSchemaAsync(SyncContext context, SyncSetup setup,
DbConnection connection, DbTransaction transaction,
CancellationToken cancellationToken, IProgress <ProgressArgs> progress = null)
{
context.SyncStage = SyncStage.SchemaReading;
var schema = this.ReadSchema(setup, connection, transaction);
// Progress & Interceptor
context.SyncStage = SyncStage.SchemaRead;
var schemaArgs = new SchemaArgs(context, schema, connection, transaction);
this.ReportProgress(context, progress, schemaArgs);
await this.InterceptAsync(schemaArgs).ConfigureAwait(false);
return(context, schema);
}
/// <summary>
/// Ensure configuration is correct on both server and client side
/// </summary>
public virtual async Task <(SyncContext, DmSet)> EnsureSchemaAsync(SyncContext context, MessageEnsureSchema message)
{
try
{
context.SyncStage = SyncStage.SchemaApplying;
using (var connection = this.CreateConnection())
{
await connection.OpenAsync();
using (var transaction = connection.BeginTransaction())
{
// Progress
context.SyncStage = SyncStage.SchemaApplying;
// if we dont have already read the tables || we want to overwrite the current config
if (message.Schema.HasTables && !message.Schema.HasColumns)
{
await this.ReadSchemaAsync(message.Schema, connection, transaction);
}
// Progress & Interceptor
context.SyncStage = SyncStage.SchemaApplied;
var schemaArgs = new SchemaArgs(context, message.Schema, connection, transaction);
this.ReportProgress(context, schemaArgs);
await this.InterceptAsync(schemaArgs);
transaction.Commit();
}
connection.Close();
}
return(context, message.Schema);
}
catch (SyncException)
{
throw;
}
catch (Exception ex)
{
throw new SyncException(ex, SyncStage.SchemaApplying);
}
}
/// <summary>
/// Read the schema stored from the orchestrator database, through the provider.
/// </summary>
/// <returns>Schema containing tables, columns, relations, primary keys</returns>
public virtual async Task <SyncSet> GetSchemaAsync(CancellationToken cancellationToken = default, IProgress <ProgressArgs> progress = null)
{
if (!this.StartTime.HasValue)
{
this.StartTime = DateTime.UtcNow;
}
// Get context or create a new one
var ctx = this.GetContext();
SyncSet schema = null;
using (var connection = this.Provider.CreateConnection())
{
// Encapsulate in a try catch for a better exception handling
// Especially whew called from web proxy
try
{
this.logger.LogInformation(SyncEventsId.GetSchema, this.Setup);
ctx.SyncStage = SyncStage.SchemaReading;
if (this.Setup.Tables.Count <= 0)
{
throw new MissingTablesException();
}
// Open connection
await this.OpenConnectionAsync(connection, cancellationToken).ConfigureAwait(false);
// Create a transaction
using (var transaction = connection.BeginTransaction())
{
await this.InterceptAsync(new TransactionOpenedArgs(ctx, connection, transaction), cancellationToken).ConfigureAwait(false);
(ctx, schema) = await this.Provider.GetSchemaAsync(ctx, this.Setup, connection, transaction, cancellationToken, progress).ConfigureAwait(false);
await this.InterceptAsync(new TransactionCommitArgs(ctx, connection, transaction), cancellationToken).ConfigureAwait(false);
transaction.Commit();
}
ctx.SyncStage = SyncStage.SchemaRead;
await this.CloseConnectionAsync(connection, cancellationToken).ConfigureAwait(false);
var schemaArgs = new SchemaArgs(ctx, schema, connection);
await this.InterceptAsync(schemaArgs, cancellationToken).ConfigureAwait(false);
this.ReportProgress(ctx, progress, schemaArgs);
}
catch (Exception ex)
{
RaiseError(ex);
}
finally
{
if (connection != null && connection.State != ConnectionState.Closed)
{
connection.Close();
}
}
return(schema);
}
}
