public void Generate(IStreamProvider streamProvider)
{
GenerationContext ctx = new GenerationContext();
ctx.Dialect = GetDialect();
ctx.Model = new MappingModelImpl();
IDriver driver = GetDriver();
try
{
using (IDbConnection connection = driver.CreateConnection())
{
DbConnection dbConn = connection as DbConnection;
if (null == dbConn)
throw new Exception("Can't convert connection provided by driver to DbConnection");
connection.ConnectionString = cfg.connectioninfo.connectionstring;
connection.Open();
ctx.Schema = ctx.Dialect.GetDataBaseSchema(dbConn);
ctx.Configuration = cfg;
ctx.Connection = dbConn;
ctx.TableExceptions = new TableExceptions(cfg);
ctx.NamingStrategy = TypeFactory.Create<INamingStrategy>(cfg.namingstrategy);
log.Info("Retrieving working table list");
ctx.FilteredTables.AddRange(TableEnumerator.GetInstance(ctx.Schema));
foreach (IMetadataStrategy strategy in metaStrategies)
strategy.Process(ctx);
}
foreach (var clazz in ctx.Model.GetEntities())
{
TextWriter target = streamProvider.GetTextWriter(clazz.name);
hibernatemapping mapping = new hibernatemapping();
mapping.Items = new object[] { clazz };
if (!string.IsNullOrEmpty(cfg.entitiesnamespace))
mapping.@namespace = cfg.entitiesnamespace;
if (!string.IsNullOrEmpty(cfg.entitiesassembly))
mapping.assembly = cfg.entitiesassembly;
XmlSerializer ser = new XmlSerializer(typeof(hibernatemapping));
XmlSerializerNamespaces empty = new XmlSerializerNamespaces();
empty.Add(string.Empty, "urn:nhibernate-mapping-2.2");
ser.Serialize(target, mapping,empty);
target.Flush();
target.Close();
streamProvider.EndWrite();
}
}
catch (Exception e)
{
throw e;
}
}
private void CreateExceptions(GenerationContext context)
{
if (null != context.Configuration.entityexceptions)
{
foreach (var v in context.Configuration.entityexceptions)
{
try
{
exceptions.Add(new EntityException(v));
}
catch (Exception e)
{
Logger.Error("Error creating entity exception", e);
}
}
}
}
protected override void OnProcess(GenerationContext context)
{
this.context = context;
foreach (var entity in context.Model.GetEntities())
{
logger.Debug(string.Format("{0} working on:", GetType().Name) + entity.table);
setToRemove = new List<set>();
var sets = context.Model.GetCollectionsOfEntity(entity.name).OfType<set>();
foreach( var set in sets )
CheckIfCanBeMap(set,entity);
foreach (var rem in setToRemove)
context.Model.RemoveCollectionFromEntity(entity.name, rem);
}
foreach (var erem in entitiesToRemove)
{
context.Model.RemoveEntity(erem);
}
}
public void Process(GenerationContext context)
{
CreateExceptions(context);
IList<@class> entities = context.Model.GetEntities();
foreach (var entity in entities)
{
foreach (var exception in exceptions)
{
try
{
exception.Apply(entity, context.Model);
}
catch (Exception e)
{
Logger.Error("Error applying entity exception:" + e.Message);
}
}
}
}
public void Process(GenerationContext context)
{
currentContext = context;
if (context["FKMAP"] == null)
{
fkForTables = new Dictionary<string, Dictionary<string, IForeignKeyColumnInfo[]>>();
try
{
CollectForeignKeysFromSchema();
}
catch (Exception e)
{
logger.Warn("Retrieving foreign keys info from schema failed.", e);
}
CollectForeignKeyFromConfig();
context["FKMAP"] = fkForTables;
}
else
{
fkForTables = context["FKMAP"] as Dictionary<string, Dictionary<string, IForeignKeyColumnInfo[]>>;
}
OnProcess(context);
}
protected abstract void OnProcess(GenerationContext context);
protected override void OnProcess(GenerationContext context)
{
this.context = context;
WireSets();
}
protected override void OnProcess(GenerationContext context)
{
this.context = context;
foreach (var e in context.Model.GetEntities())
{
logger.Debug(string.Format("{0} working on:", GetType().Name) + e.table);
if (IsManyToManyJoin(e))
{
var kc = GetKeyColumns(context.GetTableMetaData(e.schema, e.name));
bool hasbag = false;
if (kc.Length == 2)//bag: key spawn two columns
{
hasbag = true;
manytoone[] refs = context.Model.GetManyToOnesOfEntity(e.name);
for( int i=0;i<refs.Length;++i )
{
int other = i == 0?1:0;
set set = new set();
set.table = e.table;
set.schema = e.schema;
set.catalog = e.catalog;
set.name = context.NamingStrategy.GetNameForCollection(refs[other].@class,0);
set.key = new key() { column1 = refs[i].column };
set.Item = new manytomany()
{
@class = refs[other].@class
,Items = new column[]{ new column(){ name = refs[other].column}}
};
context.Model.AddCollectionToEntity(refs[i].@class,set);
logger.Warn(string.Format("Collection {0} on entity {1} is a many to many, need 'inverse' to be specified?",set.name,refs[i].@class));
}
}
else
if( kc.Length==1 ) //idbag: a single column with the pair id.
{
hasbag = true;
manytoone[] refs = context.Model.GetManyToOnesOfEntity(e.name);
for (int i = 0; i < refs.Length; ++i)
{
int other = i == 0 ? 1 : 0;
idbag idbag = new idbag();
idbag.collectionid = new collectionid()
{
column1 = kc[0].Name
,
type = typeConverter.GetNHType(kc[0])
,
length = kc[0].ColumnSize > 0 ? kc[0].ColumnSize.ToString() : null
,
generator = new generator() { @class = "native" }
};
logger.Warn(string.Format("IdBag collection {0} on entity {1}: collection key generator defaults to native",idbag.name,refs[i].@class));
idbag.table = e.table;
idbag.schema = e.schema;
idbag.catalog = e.catalog;
idbag.name = context.NamingStrategy.GetNameForCollection(refs[other].@class, 0);
idbag.key = new key() { column1 = refs[i].column };
idbag.Item = new manytomany()
{
@class = refs[other].@class
,
Items = new column[] { new column() { name = refs[other].column } }
};
context.Model.AddCollectionToEntity(refs[i].@class, idbag);
logger.Warn(string.Format("Collection {0} on entity {1} is a many to many, need 'inverse' to be specified?", idbag.name, refs[i].@class));
}
}
if (hasbag)
{
RemoveCurrentCollections(e);
context.Model.RemoveEntity(e.name);
}
}
}
}
protected override void OnProcess(GenerationContext context)
{
currentContext = context;
WireManyToOnes();
}
public void Process(GenerationContext context)
{
currentContext = context;
GenerateEntities();
}
protected override void OnProcess(GenerationContext context)
{
currentContext = context;
foreach (DataRow t in currentContext.FilteredTables)
{
IColumnMetadata[] keyColumns = new IColumnMetadata[0];
var tableMetaData = currentContext.Schema.GetTableMetadata(t, true);
string entityName = currentContext.NamingStrategy.GetEntityNameFromTableName(tableMetaData.Name);
keyColumns = GetKeyColumns(tableMetaData);
logger.Debug(string.Format("{0} working on:",GetType().Name )+ tableMetaData.Name);
// remove key colums for standard properties
Array.ForEach(keyColumns, q => currentContext.Model.RemovePropertyByColumn(entityName, q.Name));
@class clazz = currentContext.Model.GetClassFromEntityName(entityName);
if (null == clazz)
{
logger.Warn(string.Format("Inconsistent meta model:entity {0} does not exists anymore",entityName));
}
else
{
clazz.Item = CreateId(keyColumns,tableMetaData);
}
}
}
