/**************************************************************
 * 
 * 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
 * 
 *   http://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 INCLUDED_COW_WRAPPER_CLIENTS_HXX
#define INCLUDED_COW_WRAPPER_CLIENTS_HXX

#include "o3tl/cow_wrapper.hxx"

/* Definition of Cow_Wrapper_Clients classes */

namespace o3tltests {

/** This is a header and a separate compilation unit on purpose -
    cow_wrapper needs destructor, copy constructor and assignment
    operator to be outline, when pimpl idiom is used
 */

/// test non-opaque impl type
class cow_wrapper_client1
{
public:
    cow_wrapper_client1() : maImpl() {}
    explicit cow_wrapper_client1( int nVal ) : maImpl(nVal) {}

    void modify( int nVal ) { *maImpl = nVal; }
    int  queryUnmodified() const { return *maImpl; }

    void makeUnique() { maImpl.make_unique(); }
    bool is_unique() const { return maImpl.is_unique(); }
    oslInterlockedCount use_count() const { return maImpl.use_count(); }
    void swap( cow_wrapper_client1& r ) { o3tl::swap(maImpl, r.maImpl); } 

    bool operator==( const cow_wrapper_client1& rRHS ) const { return maImpl == rRHS.maImpl; }
    bool operator!=( const cow_wrapper_client1& rRHS ) const { return maImpl != rRHS.maImpl; }
    bool operator<( const cow_wrapper_client1& rRHS ) const { return maImpl < rRHS.maImpl; }

private:
    o3tl::cow_wrapper< int > maImpl;
};


class cow_wrapper_client2_impl;

/** test opaque impl type - need to explicitely declare lifetime
    methods
 */
class cow_wrapper_client2
{
public:
    cow_wrapper_client2();
    explicit cow_wrapper_client2( int nVal );
    ~cow_wrapper_client2();

    cow_wrapper_client2( const cow_wrapper_client2& );
    cow_wrapper_client2& operator=( const cow_wrapper_client2& );

    void modify( int nVal );
    int  queryUnmodified() const;

    void makeUnique();
    bool is_unique() const;
    oslInterlockedCount use_count() const;
    void swap( cow_wrapper_client2& r );

    bool operator==( const cow_wrapper_client2& rRHS ) const;
    bool operator!=( const cow_wrapper_client2& rRHS ) const;
    bool operator<( const cow_wrapper_client2& rRHS ) const;

private:
    o3tl::cow_wrapper< cow_wrapper_client2_impl > maImpl;
};

/** test MT-safe cow_wrapper - basically the same as
    cow_wrapper_client2, only with different refcounting policy
 */
class cow_wrapper_client3
{
public:
    cow_wrapper_client3();
    explicit cow_wrapper_client3( int nVal );
    ~cow_wrapper_client3();

    cow_wrapper_client3( const cow_wrapper_client3& );
    cow_wrapper_client3& operator=( const cow_wrapper_client3& );

    void modify( int nVal );
    int  queryUnmodified() const;

    void makeUnique();
    bool is_unique() const;
    oslInterlockedCount use_count() const;
    void swap( cow_wrapper_client3& r );

    bool operator==( const cow_wrapper_client3& rRHS ) const;
    bool operator!=( const cow_wrapper_client3& rRHS ) const;
    bool operator<( const cow_wrapper_client3& rRHS ) const;

private:
    o3tl::cow_wrapper< cow_wrapper_client2_impl, o3tl::ThreadSafeRefCountingPolicy > maImpl;
};

} // namespace o3tltests

#endif /* INCLUDED_COW_WRAPPER_CLIENTS_HXX */