public static bool TryGetSqlSagaDefinition(TypeDefinition type, out SagaDefinition definition)
{
ValidateIsNotDirectSaga(type);
if (!IsSqlSaga(type))
{
definition = null;
return(false);
}
CheckIsValidSaga(type);
var correlation = GetCorrelationPropertyName(type);
var transitional = GetTransitionalCorrelationPropertyName(type);
var tableSuffix = GetTableSuffix(type);
SagaDefinitionValidator.ValidateSagaDefinition(correlation, type.FullName, transitional, tableSuffix);
if (tableSuffix == null)
{
tableSuffix = type.Name;
}
var sagaDataType = GetSagaDataTypeFromSagaType(type);
definition = new SagaDefinition
(
correlationProperty: BuildConstraintProperty(sagaDataType, correlation),
transitionalCorrelationProperty: BuildConstraintProperty(sagaDataType, transitional),
tableSuffix: tableSuffix,
name: type.FullName
);
return(true);
}
public void WithTransitionalAndNoCorrelation()
{
var errorsException = Assert.Throws <ErrorsException>(() => SagaDefinitionValidator.ValidateSagaDefinition(null, "saga1", "Transitional", "tableSuffix"));
Assert.IsNotNull(errorsException.Message);
Approver.Verify(errorsException.Message);
}
public void WithInvalidSuffixTick()
{
var errorsException = Assert.Throws <ErrorsException>(() => SagaDefinitionValidator.ValidateSagaDefinition("Correlation", "saga1", "Transitional", "table`Suffix"));
Assert.IsNotNull(errorsException.Message);
#if NET452
Approvals.Verify(errorsException.Message);
#endif
}
public static void BuildCreateScript(SagaDefinition saga, BuildSqlVariant sqlVariant, TextWriter writer)
{
Guard.AgainstNull(nameof(saga), saga);
Guard.AgainstNull(nameof(writer), writer);
SagaDefinitionValidator.ValidateSagaDefinition(
correlationProperty: saga.CorrelationProperty?.Name,
sagaName: saga.Name,
tableSuffix: saga.TableSuffix,
transitionalProperty: saga.TransitionalCorrelationProperty?.Name);
var sqlVariantWriter = GetSqlVariantWriter(sqlVariant, writer, saga);
WriteComment(writer, "TableNameVariable");
sqlVariantWriter.WriteTableNameVariable();
WriteComment(writer, "Initialize");
sqlVariantWriter.Initialize();
WriteComment(writer, "CreateTable");
sqlVariantWriter.WriteCreateTable();
if (saga.CorrelationProperty != null)
{
WriteComment(writer, $"AddProperty {saga.CorrelationProperty.Name}");
sqlVariantWriter.AddProperty(saga.CorrelationProperty);
WriteComment(writer, $"VerifyColumnType {saga.CorrelationProperty.Type}");
sqlVariantWriter.VerifyColumnType(saga.CorrelationProperty);
WriteComment(writer, $"WriteCreateIndex {saga.CorrelationProperty.Name}");
sqlVariantWriter.WriteCreateIndex(saga.CorrelationProperty);
}
if (saga.TransitionalCorrelationProperty != null)
{
WriteComment(writer, $"AddProperty {saga.TransitionalCorrelationProperty.Name}");
sqlVariantWriter.AddProperty(saga.TransitionalCorrelationProperty);
WriteComment(writer, $"VerifyColumnType {saga.TransitionalCorrelationProperty.Type}");
sqlVariantWriter.VerifyColumnType(saga.TransitionalCorrelationProperty);
WriteComment(writer, $"CreateIndex {saga.TransitionalCorrelationProperty.Name}");
sqlVariantWriter.WriteCreateIndex(saga.TransitionalCorrelationProperty);
}
WriteComment(writer, "PurgeObsoleteIndex");
sqlVariantWriter.WritePurgeObsoleteIndex();
WriteComment(writer, "PurgeObsoleteProperties");
sqlVariantWriter.WritePurgeObsoleteProperties();
WriteComment(writer, "CompleteSagaScript");
sqlVariantWriter.CreateComplete();
}
static bool TryGetCoreSagaDefinition(TypeDefinition type, out SagaDefinition definition)
{
var baseType = type.BaseType as GenericInstanceType;
definition = null;
// Class must directly inherit from NServiceBus.Saga<T> so that no tricks can be pulled from an intermediate class
if (baseType == null || !baseType.FullName.StartsWith("NServiceBus.Saga") || baseType.GenericArguments.Count != 1)
{
return(false);
}
CheckIsValidSaga(type);
string correlationId = null;
string transitionalId = null;
string tableSuffix = null;
var attribute = type.GetSingleAttribute("NServiceBus.Persistence.Sql.SqlSagaAttribute");
if (attribute != null)
{
var args = attribute.ConstructorArguments;
correlationId = (string)args[0].Value;
transitionalId = (string)args[1].Value;
tableSuffix = (string)args[2].Value;
}
var sagaDataType = GetSagaDataTypeFromSagaType(type);
if (correlationId == null)
{
correlationId = GetCoreSagaCorrelationId(type, sagaDataType);
}
SagaDefinitionValidator.ValidateSagaDefinition(correlationId, type.FullName, transitionalId, tableSuffix);
if (tableSuffix == null)
{
tableSuffix = type.Name;
}
definition = new SagaDefinition
(
correlationProperty: BuildConstraintProperty(sagaDataType, correlationId),
transitionalCorrelationProperty: BuildConstraintProperty(sagaDataType, transitionalId),
tableSuffix: tableSuffix,
name: type.FullName
);
return(true);
}
static bool TryGetSqlSagaDefinition(TypeDefinition type, out SagaDefinition definition)
{
if (!IsSqlSaga(type))
{
definition = null;
return(false);
}
CheckIsValidSaga(type);
if (type.GetSingleAttribute("NServiceBus.Persistence.Sql.SqlSagaAttribute") != null)
{
throw new Exception("[SqlSaga] attribute is invalid on a class inheriting SqlSaga<T>. To provide CorrelationId, TransitionalCorrelationId, or TableSuffix override the corresponding properties on the SqlSaga<T> base class instead.");
}
var correlation = GetCorrelationPropertyName(type);
var transitional = GetTransitionalCorrelationPropertyName(type);
var tableSuffix = GetSqlSagaTableSuffix(type);
SagaDefinitionValidator.ValidateSagaDefinition(correlation, type.FullName, transitional, tableSuffix);
if (tableSuffix == null)
{
tableSuffix = type.Name;
}
var sagaDataType = GetSagaDataTypeFromSagaType(type);
definition = new SagaDefinition
(
correlationProperty: BuildConstraintProperty(sagaDataType, correlation),
transitionalCorrelationProperty: BuildConstraintProperty(sagaDataType, transitional),
tableSuffix: tableSuffix,
name: type.FullName
);
return(true);
}
public void WithNoTransitionalCorrelation()
{
SagaDefinitionValidator.ValidateSagaDefinition("Correlation", "saga1", null, "tableSuffix");
}
public void WithNoCorrelation()
{
SagaDefinitionValidator.ValidateSagaDefinition(null, "saga1", null, "tableSuffix");
}
public void Simple()
{
SagaDefinitionValidator.ValidateSagaDefinition("Correlation", "saga1", "Transitional", "tableSuffix");
}
public void WithInvalidSuffixRight()
{
var errorsException = Assert.Throws <ErrorsException>(() => SagaDefinitionValidator.ValidateSagaDefinition("Correlation", "saga1", "Transitional", "table]Suffix"));
Approvals.Verify(errorsException.Message);
}
public void WithMatchingIds()
{
var errorsException = Assert.Throws <ErrorsException>(() => SagaDefinitionValidator.ValidateSagaDefinition("Transitional", "saga1", "Transitional", "tableSuffix"));
Approvals.Verify(errorsException.Message);
}