public void FeatureIntegration_PersistAndRetrieve_WithComplexStructure_RetrievedShouldBeSameAsPersisted()
{
try
{
int transId = 35;
int productId = 135;
int serviceId = 235;
IDbConnection connection = SetupTables();
Product product = CreateDefaultProduct(connection, productId);
Service service = CreateDefaultService(connection, serviceId);
Transaction transaction = CreateDefaultTransaction(connection, transId, product, service);
ITransaction tx = CreateTransaction(connection);
var loadedTransaction = new Transaction();
LoadWithId(tx, loadedTransaction, transId);
tx.Commit();
DbMgtUtility.Close(connection);
VerifyEquals(transaction, loadedTransaction);
}
catch (System.Exception e)
{
LogManager.GetLogger(typeof(DbGateFeatureIntegrationTest)).Fatal(e.Message, e);
Assert.Fail(e.Message);
}
}
private Object ExtractCurrentVersionValue(IReadOnlyEntity entity, IColumn versionColumn, Type type
, ITransaction tx)
{
Object versionValue = null;
ITypeFieldValueList keyFieldValueList = OperationUtils.ExtractEntityTypeKeyValues(entity, type);
IDbCommand cmd = null;
IDataReader reader = null;
try
{
cmd = CreateRetrievalPreparedStatement(keyFieldValueList, tx);
reader = cmd.ExecuteReader();
if (reader.Read())
{
versionValue = DbLayer.DataManipulate().ReadFromResultSet(reader, versionColumn);
}
}
catch (Exception ex)
{
String message = String.Format("SQL Exception while trying retrieve version information from {0}"
, entity.GetType().FullName);
throw new StatementExecutionException(message, ex);
}
finally
{
DbMgtUtility.Close(reader);
DbMgtUtility.Close(cmd);
}
return(versionValue);
}
private ITypeFieldValueList ExtractCurrentRowValues(IReadOnlyEntity entity, Type type, ITransaction tx)
{
ITypeFieldValueList fieldValueList = null;
ITypeFieldValueList keyFieldValueList = OperationUtils.ExtractEntityTypeKeyValues(entity, type);
IDbCommand cmd = null;
IDataReader reader = null;
try
{
cmd = CreateRetrievalPreparedStatement(keyFieldValueList, tx);
reader = cmd.ExecuteReader();
if (reader.Read())
{
fieldValueList = ReadValues(type, reader);
}
}
catch (Exception ex)
{
string message = String.Format("SQL Exception while trying retrieve current data row from {0}"
, entity.GetType().FullName);
throw new StatementExecutionException(message, ex);
}
finally
{
DbMgtUtility.Close(reader);
DbMgtUtility.Close(cmd);
}
return(fieldValueList);
}
public ICollection <Object> Select(ISelectionQuery query, ITransaction tx)
{
IDataReader rs = null;
try
{
var logSb = new StringBuilder();
var showQuery = Config.ShowQueries;
var buildInfo = DbLayer.DataManipulate().ProcessQuery(null, query.Structure);
var execInfo = buildInfo.ExecInfo;
if (showQuery)
{
logSb.Append(execInfo.Sql);
foreach (var param in execInfo.Params)
{
logSb.Append(" ,").Append("Param").Append(param.Index).Append("=").Append(param.Value);
}
Logger.GetLogger(Config.LoggerName).Debug(logSb.ToString());
}
rs = DbLayer.DataManipulate().CreateResultSet(tx, execInfo);
IList <Object> retList = new List <Object> ();
ICollection <IQuerySelection> selections = query.Structure.SelectList;
var selectionCount = selections.Count;
while (rs.Read())
{
int count = 0;
object rowObject = selectionCount > 1 ? new object[selectionCount] : null;
foreach (IQuerySelection selection in selections)
{
Object loaded = ((IAbstractSelection)selection).Retrieve(rs, tx, buildInfo);
if (selectionCount > 1)
{
((object[])rowObject)[count++] = loaded;
}
else
{
rowObject = loaded;
}
}
retList.Add(rowObject);
}
return(retList);
}
catch (Exception e)
{
Logger.GetLogger(Config.LoggerName).Error(e.Message, e);
throw new RetrievalException(e.Message, e);
}
finally
{
DbMgtUtility.Close(rs);
}
}
private void Insert(IEntity entity, ITypeFieldValueList valueTypeList, Type entityType, ITransaction tx)
{
EntityInfo entityInfo = CacheManager.GetEntityInfo(entityType);
StringBuilder logSb = new StringBuilder();
string query = entityInfo.GetInsertQuery(DbLayer);
IDbCommand cmd = tx.CreateCommand();
cmd.CommandText = query;
bool showQuery = Config.ShowQueries;
if (showQuery)
{
logSb.Append(query);
}
int i = 0;
foreach (EntityFieldValue fieldValue in valueTypeList.FieldValues)
{
IColumn column = fieldValue.Column;
Object columnValue;
if (column.ReadFromSequence &&
column.SequenceGenerator != null)
{
columnValue = column.SequenceGenerator.GetNextSequenceValue(tx);
PropertyInfo setter = entityType.GetProperty(column.AttributeName);
ReflectionUtils.SetValue(setter, entity, columnValue);
}
else
{
columnValue = fieldValue.Value;
}
if (showQuery)
{
logSb.Append(" ,").Append(column.ColumnName).Append("=").Append(columnValue);
}
DbLayer.DataManipulate().SetToPreparedStatement(cmd, columnValue, i + 1, column);
i++;
}
if (showQuery)
{
Logger.GetLogger(Config.LoggerName).Debug(logSb.ToString());
}
if (Config.EnableStatistics)
{
Statistics.RegisterInsert(entityType);
}
cmd.ExecuteNonQuery();
DbMgtUtility.Close(cmd);
}
private void DeleteOrphanChildren(ITransaction tx, IEnumerable <ITypeFieldValueList> childrenToDelete)
{
foreach (ITypeFieldValueList relationKeyValueList in childrenToDelete)
{
EntityInfo entityInfo = CacheManager.GetEntityInfo(relationKeyValueList.Type);
if (entityInfo == null)
{
continue;
}
if (relationKeyValueList is EntityRelationFieldValueList)
{
EntityRelationFieldValueList entityRelationFieldValueList = (EntityRelationFieldValueList)relationKeyValueList;
if (entityRelationFieldValueList.Relation.ReverseRelationship ||
entityRelationFieldValueList.Relation.NonIdentifyingRelation)
{
continue;
}
}
bool recordExists = false;
IDbCommand cmd = null;
IDataReader reader = null;
try
{
cmd = CreateRetrievalPreparedStatement(relationKeyValueList, tx);
reader = cmd.ExecuteReader();
if (reader.Read())
{
recordExists = true;
}
}
catch (Exception ex)
{
string message =
String.Format(
"SQL Exception while trying determine if orphan child entities are available for type {0}",
relationKeyValueList.Type.FullName);
throw new StatementExecutionException(message, ex);
}
finally
{
DbMgtUtility.Close(reader);
DbMgtUtility.Close(cmd);
}
if (recordExists)
{
Delete(relationKeyValueList, relationKeyValueList.Type, tx);
}
}
}
private ICollection <IReadOnlyEntity> ExecuteAndReadFromPreparedStatement(IReadOnlyEntity entity, ITransaction tx, IDbCommand cmd
, Type childType)
{
EntityInfo entityInfo = CacheManager.GetEntityInfo(childType);
ICollection <IColumn> childKeys = null;
ICollection <IReadOnlyEntity> data = new List <IReadOnlyEntity>();
IDataReader reader = null;
try
{
reader = cmd.ExecuteReader();
while (reader.Read())
{
if (childKeys == null)
{
childKeys = entityInfo.GetKeys();
}
ITypeFieldValueList childTypeKeyList = new EntityTypeFieldValueList(childType);
foreach (IColumn childKey in childKeys)
{
Object value = DbLayer.DataManipulate().ReadFromResultSet(reader, childKey);
childTypeKeyList.FieldValues.Add(new EntityFieldValue(value, childKey));
}
if (entity.Context.AlreadyInCurrentObjectGraph(childTypeKeyList))
{
data.Add(entity.Context.GetFromCurrentObjectGraph(childTypeKeyList));
continue;
}
IReadOnlyEntity rodbClass = (IReadOnlyEntity)Activator.CreateInstance(childType);
rodbClass.Context.CopyReferenceStoreFrom(entity);
rodbClass.Retrieve(reader, tx);
data.Add(rodbClass);
entity.Context.AddToCurrentObjectGraphIndex(rodbClass);
}
}
catch (Exception ex)
{
string message = String.Format("SQL Exception while trying to read type {0} from result set", childType.FullName);
throw new ReadFromResultSetException(message, ex);
}
finally
{
DbMgtUtility.Close(reader);
DbMgtUtility.Close(cmd);
}
return(data);
}
private void LoadFromDb(IReadOnlyEntity roEntity, IDataReader reader, ITransaction tx)
{
EntityInfo entityInfo = CacheManager.GetEntityInfo(roEntity);
while (entityInfo != null)
{
string tableName = entityInfo.TableInfo.TableName;
if (entityInfo.EntityType == roEntity.GetType() || tableName == null) //if i==0 that means it's base class and can use existing result set
{
LoadForType(roEntity, entityInfo.EntityType, reader, tx);
}
else
{
IDbCommand superCmd = null;
IDataReader superReader = null;
try
{
ITypeFieldValueList keyValueList = OperationUtils.ExtractEntityTypeKeyValues(roEntity, entityInfo.EntityType);
superCmd = CreateRetrievalPreparedStatement(keyValueList, tx);
superReader = superCmd.ExecuteReader();
if (superReader.Read())
{
LoadForType(roEntity, entityInfo.EntityType, superReader, tx);
}
else
{
string message =
String.Format(
"Super class {0} does not contains a matching record for the base class {1}",
entityInfo.EntityType.FullName, roEntity.GetType().FullName);
throw new NoMatchingRecordFoundForSuperClassException(message);
}
}
catch (Exception ex)
{
String message = String.Format("SQL Exception while trying to read from table {0}", tableName);
throw new ReadFromResultSetException(message, ex);
}
finally
{
DbMgtUtility.Close(superReader);
DbMgtUtility.Close(superCmd);
}
}
entityInfo = entityInfo.SuperEntityInfo;
}
}
private void Delete(ITypeFieldValueList valueTypeList, Type type, ITransaction tx)
{
EntityInfo entityInfo = CacheManager.GetEntityInfo(type);
StringBuilder logSb = new StringBuilder();
string query = entityInfo.GetDeleteQuery(DbLayer);
IList <EntityFieldValue> keys = new List <EntityFieldValue>();
foreach (EntityFieldValue fieldValue in valueTypeList.FieldValues)
{
if (fieldValue.Column.Key)
{
keys.Add(fieldValue);
}
}
bool showQuery = Config.ShowQueries;
if (showQuery)
{
logSb.Append(query);
}
IDbCommand ps = tx.CreateCommand();
ps.CommandText = query;
for (int i = 0; i < keys.Count; i++)
{
EntityFieldValue fieldValue = keys[i];
if (showQuery)
{
logSb.Append(" ,").Append(fieldValue.Column.ColumnName).Append("=").Append(fieldValue.Value);
}
DbLayer.DataManipulate().SetToPreparedStatement(ps, fieldValue.Value, i + 1, fieldValue.Column);
}
if (showQuery)
{
Logger.GetLogger(Config.LoggerName).Debug(logSb.ToString());
}
if (Config.EnableStatistics)
{
Statistics.RegisterDelete(type);
}
ps.ExecuteNonQuery();
DbMgtUtility.Close(ps);
}
public One2OneParentEntity Retrieve(ITransaction tx, int id)
{
IDbCommand cmd = tx.CreateCommand();
cmd.CommandText = "select * from parent_entity where id = ?";
IDbDataParameter parameter = cmd.CreateParameter();
cmd.Parameters.Add(parameter);
parameter.DbType = DbType.Int32;
parameter.Value = id;
One2OneParentEntity entity = null;
IDataReader reader = cmd.ExecuteReader();
if (reader.Read())
{
entity = new One2OneParentEntity();
entity.Retrieve(reader, tx);
}
DbMgtUtility.Close(reader);
DbMgtUtility.Close(cmd);
return(entity);
}
public Transaction Retrieve(ITransaction tx)
{
IDbCommand cmd = tx.CreateCommand();
cmd.CommandText = "select * from order_transaction where transaction_id = ?";
IDbDataParameter parameter = cmd.CreateParameter();
cmd.Parameters.Add(parameter);
parameter.DbType = DbType.Int32;
parameter.Value = TransactionId;
Transaction entity = null;
IDataReader reader = cmd.ExecuteReader();
if (reader.Read())
{
entity = new Transaction();
entity.Retrieve(reader, tx);
}
DbMgtUtility.Close(reader);
DbMgtUtility.Close(cmd);
return(entity);
}
public void Intercept(IInvocation invocation)
{
if (!_intercepted)
{
_intercepted = true;
bool newTransaction = false;
try
{
if (_transaction.Closed)
{
_transaction = _transactionFactory.CreateTransaction();
newTransaction = true;
}
_dataRetrievalOperationLayer.LoadChildrenFromRelation(_parentRoEntity, _applicableParentType,
_transaction, _relation, true);
}
finally
{
if (newTransaction)
{
DbMgtUtility.Close(_transaction);
_transaction = null;
}
}
EntityInfo entityInfo = CacheManager.GetEntityInfo(_parentRoEntity);
PropertyInfo property = entityInfo.GetProperty(_relation.AttributeName);
Object objectToInvoke = property.GetValue(_parentRoEntity, new object[] {});
invocation.ReturnValue = invocation.Method.Invoke(objectToInvoke, new object[] {});
}
else
{
invocation.Proceed();
}
}
private void Update(IEntity entity, ITypeFieldValueList valueTypeList, Type type, ITransaction tx)
{
EntityInfo entityInfo = CacheManager.GetEntityInfo(type);
ICollection <EntityFieldValue> keys = new List <EntityFieldValue>();
ICollection <EntityFieldValue> values = new List <EntityFieldValue>();
StringBuilder logSb = new StringBuilder();
string query;
if (entityInfo.TableInfo.UpdateStrategy == UpdateStrategy.ChangedColumns)
{
values = GetModifiedFieldValues(entity, type);
if (values.Count == 0)
{
return;
}
keys = OperationUtils.ExtractEntityKeyValues(entity).FieldValues;
ICollection <IColumn> keysAndModified = new List <IColumn>();
foreach (EntityFieldValue fieldValue in values)
{
keysAndModified.Add(fieldValue.Column);
}
foreach (EntityFieldValue fieldValue in keys)
{
keysAndModified.Add(fieldValue.Column);
}
query = DbLayer.DataManipulate().CreateUpdateQuery(entityInfo.TableInfo.TableName, keysAndModified);
}
else
{
query = entityInfo.GetUpdateQuery(DbLayer);
foreach (EntityFieldValue fieldValue in valueTypeList.FieldValues)
{
if (fieldValue.Column.Key)
{
keys.Add(fieldValue);
}
else
{
values.Add(fieldValue);
}
}
}
bool showQuery = Config.ShowQueries;
if (showQuery)
{
logSb.Append(query);
}
IDbCommand cmd = tx.CreateCommand();
cmd.CommandText = query;
int count = 0;
foreach (EntityFieldValue fieldValue in values)
{
if (showQuery)
{
logSb.Append(" ,").Append(fieldValue.Column.ColumnName).Append("=").Append(fieldValue.Value);
}
DbLayer.DataManipulate().SetToPreparedStatement(cmd, fieldValue.Value, ++count, fieldValue.Column);
}
foreach (EntityFieldValue fieldValue in keys)
{
if (showQuery)
{
logSb.Append(" ,").Append(fieldValue.Column.ColumnName).Append("=").Append(fieldValue.Value);
}
DbLayer.DataManipulate().SetToPreparedStatement(cmd, fieldValue.Value, ++count, fieldValue.Column);
}
if (showQuery)
{
Logger.GetLogger(Config.LoggerName).Debug(logSb.ToString());
}
if (Config.EnableStatistics)
{
Statistics.RegisterUpdate(type);
}
cmd.ExecuteNonQuery();
DbMgtUtility.Close(cmd);
}
public void PatchDataBase(ITransaction tx, ICollection <Type> entityTypes, bool dropAll)
{
try
{
foreach (Type entityType in entityTypes)
{
CacheManager.Register(entityType);
}
IMetaManipulate metaManipulate = _dbLayer.MetaManipulate(tx);
ICollection <IMetaItem> existingItems = metaManipulate.GetMetaData(tx);
ICollection <IMetaItem> requiredItems = CreateMetaItemsFromEntityTypes(entityTypes);
List <MetaQueryHolder> queryHolders = new List <MetaQueryHolder>();
if (dropAll)
{
ICollection <IMetaComparisonGroup> groupExisting = CompareUtility.Compare(metaManipulate, existingItems, new List <IMetaItem>());
ICollection <IMetaComparisonGroup> groupRequired = CompareUtility.Compare(metaManipulate, new List <IMetaItem>(), requiredItems);
List <MetaQueryHolder> queryHoldersExisting = new List <MetaQueryHolder>();
foreach (IMetaComparisonGroup comparisonGroup in groupExisting)
{
queryHoldersExisting.AddRange(_dbLayer.MetaManipulate(tx).CreateDbPathSql(comparisonGroup));
}
queryHoldersExisting.Sort();
List <MetaQueryHolder> queryHoldersRequired = new List <MetaQueryHolder>();
foreach (IMetaComparisonGroup comparisonGroup in groupRequired)
{
queryHoldersRequired.AddRange(_dbLayer.MetaManipulate(tx).CreateDbPathSql(comparisonGroup));
}
queryHoldersRequired.Sort();
queryHolders.AddRange(queryHoldersExisting);
queryHolders.AddRange(queryHoldersRequired);
}
else
{
ICollection <IMetaComparisonGroup> groups = CompareUtility.Compare(metaManipulate, existingItems, requiredItems);
foreach (IMetaComparisonGroup comparisonGroup in groups)
{
queryHolders.AddRange(_dbLayer.MetaManipulate(tx).CreateDbPathSql(comparisonGroup));
}
queryHolders.Sort();
}
foreach (MetaQueryHolder holder in queryHolders)
{
if (holder.QueryString == null)
{
continue;
}
Logger.GetLogger(_config.LoggerName).Debug(holder.QueryString);
IDbCommand cmd = tx.CreateCommand();
cmd.CommandText = holder.QueryString;
cmd.ExecuteNonQuery();
DbMgtUtility.Close(cmd);
if (_config.EnableStatistics)
{
_statistics.RegisterPatch();
}
}
}
catch (Exception e)
{
Logger.GetLogger(_config.LoggerName).Fatal(e.Message, e);
throw new MetaDataException(e.Message, e);
}
}
