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// Copyright (c) 2011, Cornell University
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of HyperDex nor the names of its contributors may be
// used to endorse or promote products derived from this software without
// specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
#ifndef hyperdisk_offset_update_h_
#define hyperdisk_offset_update_h_
// e
#include <e/tuple_compare.h>
namespace hyperdisk
{
class offset_update
{
public:
offset_update();
offset_update(uint64_t shard_generation,
size_t shard_num,
uint32_t new_offset);
~offset_update() throw ();
public:
bool operator == (const offset_update& rhs) const;
public:
uint64_t shard_generation;
size_t shard_num;
uint32_t new_offset;
};
inline
offset_update :: offset_update()
: shard_generation(0)
, shard_num(0)
, new_offset(0)
{
}
inline
offset_update :: offset_update(uint64_t sg, size_t sn, uint32_t no)
: shard_generation(sg)
, shard_num(sn)
, new_offset(no)
{
}
inline
offset_update :: ~offset_update() throw ()
{
}
bool
offset_update :: operator == (const offset_update& rhs) const
{
return e::tuple_compare(shard_generation, shard_num, new_offset,
rhs.shard_generation, rhs.shard_num, rhs.new_offset) == 0;
}
} // namespace hyperdisk
#endif // hyperdisk_offset_update_h_