public bool visiteTable(Table table, DatabaseXML db)
{
foreach (Column column in table.Columns)
{
if (column.accept(this, table, db) == false)
{
return(false);
}
}
return(true);
}
public bool visiteDatabaseXML(DatabaseXML db)
{
foreach (Table table in db.Content)
{
if (table.accept(this, db) == false)
{
return(false);
}
}
return(true);
}
public override bool Equals(object obj)
{
if (obj == null || GetType() != obj.GetType())
{
return(false);
}
DatabaseXML db = (DatabaseXML)obj;
if (this.Name != db.Name || this.Content != db.Content)
{
return(false);
}
return(true);
}
public bool visiteColumn(Column column, Table table, DatabaseXML db)
{
ForeignKeyHelper fkh = table.getFKHFromColumn(column);
if (fkh != null)
{
Table externTable;
try
{
externTable = db.getTableByName(fkh.ExternTableName);
}
catch (Exception e)
{
errors.Add(e.Message + " of the database " + db.Name);
return(false);
}
Column externColumn;
try
{
externColumn = externTable.getColumnByName(fkh.ExternColumnName);
}
catch (Exception e)
{
errors.Add(e.Message + " of the database " + db.Name);
return(false);
}
if (column.Type == externColumn.Type && column.Length == externColumn.Length)
{
return(true);
}
else
{
string s = "Un problème de type de champ est apparue dans une clé étrangère entre le champ " + column.Name + " de la table " + table.Name + " et le champ " + externColumn.Name + " de la table " + externTable;
errors.Add(s);
return(false);
}
}
return(true);
}
public bool accept(ValidationVisitor visitor, Table table, DatabaseXML db)
{
return(visitor.visiteColumn(this, table, db));
}
public bool accept(ValidationVisitor visitor, DatabaseXML db)
{
return(visitor.visiteTable(this, db));
}
public void updateColumn(string previousName, Column newColumn, DatabaseXML db)
{
Column c2 = new Column {
Name = previousName,
isNull = newColumn.isNull,
Length = newColumn.Length,
Type = newColumn.Type
};
List <Index> tmp1 = new List <Index>();
foreach (Index index in this.Indexes)
{
Index tmp_1 = new Index {
Name = index.Name
};
foreach (string name in index.List)
{
if (name == previousName)
{
tmp_1.List.Add(newColumn.Name);
}
else
{
tmp_1.List.Add(name);
}
}
tmp1.Add(tmp_1);
}
this.Indexes = tmp1;
List <UniqueKey> tmp5 = new List <UniqueKey>();
foreach (UniqueKey uk in this.UniqueKeys)
{
UniqueKey tmp_1 = new UniqueKey {
Name = uk.Name
};
foreach (string name in uk.List)
{
if (name == previousName)
{
tmp_1.List.Add(newColumn.Name);
}
else
{
tmp_1.List.Add(name);
}
}
tmp5.Add(tmp_1);
}
this.UniqueKeys = tmp5;
List <Column> tmp2 = new List <Column>();
foreach (Column column in this.Columns)
{
if (column.Name == previousName)
{
tmp2.Add(newColumn);
}
else
{
tmp2.Add(column);
}
}
this.Columns = tmp2;
List <string> tmp3 = new List <string>();
foreach (string name in this.PrimaryKey)
{
if (name == previousName)
{
tmp3.Add(newColumn.Name);
}
else
{
tmp3.Add(name);
}
}
this.PrimaryKey = tmp3;
List <ForeignKey> tmp4 = new List <ForeignKey>();
foreach (ForeignKey fk in this.ForeignKeys)
{
ForeignKey fk2 = new ForeignKey
{
ExternTableName = fk.ExternTableName,
Info = new List <ForeignKeyInside>()
};
foreach (ForeignKeyInside fki in fk.Info)
{
if (fki.ColumnName == previousName)
{
fk2.Info.Add(new ForeignKeyInside
{
ColumnName = newColumn.Name,
ExternColumnName = fki.ExternColumnName
});
}
else
{
fk2.Info.Add(new ForeignKeyInside
{
ColumnName = fki.ColumnName,
ExternColumnName = fki.ExternColumnName
});
}
}
tmp4.Add(fk2);
}
this.ForeignKeys = tmp4;
foreach (Table table in db.Content)
{
if (table.Name != this.Name)
{
bool keep = true;
foreach (ForeignKey fk in table.ForeignKeys)
{
if (keep == true)
{
if (fk.ExternTableName == this.Name)
{
foreach (ForeignKeyInside fki in fk.Info)
{
if (keep == true)
{
if (fki.ExternColumnName == previousName)
{
c2.Name = fki.ColumnName;
table.updateColumn(c2.Name, c2, db);
keep = false;
}
}
}
}
}
}
}
}
}
