private manytoone SetIfNullable(manytoone mto, IForeignKeyColumnInfo[] iForeignKeyColumnInfo)
{
bool notnull = true;
foreach (var fk in iForeignKeyColumnInfo)
{
var meta = currentContext.GetTableMetaData(fk.ForeignKeyTableCatalog, fk.ForeignKeyTableSchema, fk.ForeignKeyTableName);
if (null != meta)
{
var cinfo = meta.GetColumnMetadata(fk.ForeignKeyColumnName);
if (true.ParseFromDb(cinfo.Nullable) == true)
{
notnull = false;
break;
}
}
}
mto.notnull = notnull;
mto.notnullSpecified = mto.notnull;
return(mto);
}
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)
{
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.table));
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);
}
}
}
}
private void CheckIfCanBeMap(set set, @class entity)
{
if (set.Item is onetomany)
{
var collectedEntity = context.Model.GetClassFromEntityName((set.Item as onetomany).@class);
if (collectedEntity.Item is compositeid)
{
var cid = collectedEntity.Item as compositeid;
List <string> setColumn = new List <string>();
if (!string.IsNullOrEmpty(set.key.column1))
{
setColumn.Add(set.key.column1);
}
if (null != set.key.column)
{
setColumn.AddRange(set.key.column.Select(q => q.name));
}
List <string> collectedKeyColumns = new List <string>();
collectedKeyColumns.AddRange(cid.Items.OfType <keyproperty>().Select(q => q.column1 ?? q.name));
List <string> nonOverlappingColumns;
if (CheckOverlapping(setColumn, collectedKeyColumns, out nonOverlappingColumns))
{
setToRemove.Add(set);
entitiesToRemove.Add(collectedEntity.name);
map map = new map();
map.name = set.name;
map.table = set.table;
map.key = set.key;
var meta = context.GetTableMetaData(collectedEntity.schema, collectedEntity.table ?? collectedEntity.name);
if (nonOverlappingColumns.Count == 1)
{
map.Item = new index()
{
column1 = nonOverlappingColumns[0], type = typeConverter.GetNHType(meta.GetColumnMetadata(nonOverlappingColumns[0]))
};
}
else
{
compositeindex ci = new compositeindex();
ci.@class = context.NamingStrategy.GetClassNameForComponentKey(map.name ?? map.table);
ci.Items = nonOverlappingColumns.Select(q => new keyproperty()
{
name = context.NamingStrategy.GetPropertyNameFromColumnName(q)
, column1 = context.NamingStrategy.GetPropertyNameFromColumnName(q) != q ? q : null
, type1 = typeConverter.GetNHType(meta.GetColumnMetadata(q))
, length = meta.GetColumnMetadata(q).ColumnSize == 0 ? null:meta.GetColumnMetadata(q).ColumnSize.ToString()
}).ToArray();
map.Item = ci;
}
property[] props = collectedEntity.Items.OfType <property>().ToArray();
if (props.Length == 1)
{
//use an element
element e = new element();
e.column = props[0].column ?? props[0].name;
e.type1 = props[0].type1;
e.type = props[0].type;
e.precision = props[0].precision;
e.length = props[0].length;
map.Item1 = e;
}
else
{
//use a composite element
compositeelement ce = new compositeelement();
ce.@class = context.NamingStrategy.GetClassNameForCollectionComponent(collectedEntity.table ?? collectedEntity.name);
ce.Items = context.Model.GetPropertyOfEntity(collectedEntity.name);
map.Item1 = ce;
}
context.Model.AddCollectionToEntity(entity.name, map);
}
}
}
}
