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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef avro_ValidSchema_hh__
#define avro_ValidSchema_hh__
#include "Config.hh"
#include "Node.hh"
namespace avro {
class AVRO_DECL Schema;
/// A ValidSchema is basically a non-mutable Schema that has passed some
/// minimum of sanity checks. Once validated, any Schema that is part of
/// this ValidSchema is considered locked, and cannot be modified (an attempt
/// to modify a locked Schema will throw). Also, as it is validated, any
/// recursive duplications of schemas are replaced with symbolic links to the
/// original.
///
/// Once a Schema is converted to a valid schema it can be used in validating
/// parsers/serializers, converted to a json schema, etc.
///
class AVRO_DECL ValidSchema {
public:
explicit ValidSchema(const NodePtr &root);
explicit ValidSchema(const Schema &schema);
ValidSchema();
void setSchema(const Schema &schema);
const NodePtr &root() const {
return root_;
}
void toJson(std::ostream &os) const;
std::string toJson(bool prettyPrint = true) const;
void toFlatList(std::ostream &os) const;
protected:
NodePtr root_;
private:
static std::string compactSchema(const std::string &schema);
};
} // namespace avro
#endif
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