@Override
public final List<ForeignKeyDefinition> getForeignKeys(SchemaDefinition schema) {
if (foreignKeys == null) {
foreignKeys = new ArrayList<ForeignKeyDefinition>();
for (SchemaDefinition s : getSchemata()) {
for (TableDefinition table : getTables(s)) {
for (ForeignKeyDefinition foreignKey : table.getForeignKeys()) {
foreignKeys.add(foreignKey);
}
}
}
}
if (foreignKeysBySchema == null) {
foreignKeysBySchema = new LinkedHashMap<SchemaDefinition, List<ForeignKeyDefinition>>();
}
return filterSchema(foreignKeys, schema, foreignKeysBySchema);
}
