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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_Schema_hh__ 
#define avro_Schema_hh__ 
 
#include "Config.hh" 
#include "NodeImpl.hh" 
#include <string> 
 
/// \file 
/// 
/// Schemas for representing all the avro types.  The compound schema objects 
/// allow composition from other schemas. 
/// 
 
namespace avro { 
 
 
/// The root Schema object is a base class.  Nobody constructs this class directly. 
 
class AVRO_DECL Schema { 
public: 
 
    virtual ~Schema(); 
 
    Type type() const { 
        return node_->type(); 
    } 
 
    const NodePtr &root() const { 
        return node_; 
    } 
 
    NodePtr &root() { 
        return node_; 
    } 
 
  protected: 
    Schema(); 
    explicit Schema(const NodePtr &node); 
    explicit Schema(Node *node); 
 
    NodePtr node_; 
}; 
 
class AVRO_DECL NullSchema : public Schema { 
public: 
    NullSchema(): Schema(new NodePrimitive(AVRO_NULL)) {} 
}; 
 
class AVRO_DECL BoolSchema : public Schema { 
public: 
    BoolSchema(): Schema(new NodePrimitive(AVRO_BOOL)) {} 
}; 
 
class AVRO_DECL IntSchema : public Schema { 
public: 
    IntSchema(): Schema(new NodePrimitive(AVRO_INT)) {} 
}; 
 
class AVRO_DECL LongSchema : public Schema { 
public: 
    LongSchema(): Schema(new NodePrimitive(AVRO_LONG)) {} 
}; 
 
class AVRO_DECL FloatSchema : public Schema { 
public: 
    FloatSchema(): Schema(new NodePrimitive(AVRO_FLOAT)) {} 
}; 
 
class AVRO_DECL DoubleSchema : public Schema { 
public: 
    DoubleSchema(): Schema(new NodePrimitive(AVRO_DOUBLE)) {} 
}; 
 
class AVRO_DECL StringSchema : public Schema { 
public: 
    StringSchema(): Schema(new NodePrimitive(AVRO_STRING)) {} 
}; 
 
class AVRO_DECL BytesSchema : public Schema { 
public: 
    BytesSchema(): Schema(new NodePrimitive(AVRO_BYTES)) {} 
}; 
 
class AVRO_DECL RecordSchema : public Schema { 
public: 
    RecordSchema(const std::string &name); 
    void addField(const std::string &name, const Schema &fieldSchema); 
 
    std::string getDoc() const; 
    void setDoc(const std::string &); 
}; 
 
class AVRO_DECL EnumSchema : public Schema { 
public: 
    EnumSchema(const std::string &name); 
    void addSymbol(const std::string &symbol); 
}; 
 
class AVRO_DECL ArraySchema : public Schema { 
public: 
    ArraySchema(const Schema &itemsSchema); 
    ArraySchema(const ArraySchema &itemsSchema); 
}; 
 
class AVRO_DECL MapSchema : public Schema { 
public: 
    MapSchema(const Schema &valuesSchema); 
    MapSchema(const MapSchema &itemsSchema); 
}; 
 
class AVRO_DECL UnionSchema : public Schema { 
public: 
    UnionSchema(); 
    void addType(const Schema &typeSchema); 
}; 
 
class AVRO_DECL FixedSchema : public Schema { 
public: 
    FixedSchema(int size, const std::string &name); 
}; 
 
class AVRO_DECL SymbolicSchema : public Schema { 
public: 
    SymbolicSchema(const Name& name, const NodePtr& link); 
}; 
} // namespace avro 
 
#endif