blpapi_correlationidhash.h

Go to the documentation of this file.

/* Copyright 2026. Bloomberg Finance L.P.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:  The above
 * copyright notice and this permission notice shall be included in all copies
 * or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 */

 
#ifndef INCLUDED_BLPAPI_CORRELATIONIDHASH
#define INCLUDED_BLPAPI_CORRELATIONIDHASH

 
#include <blpapi_call.h>
#include <blpapi_correlationid.h>
 
#ifdef __cplusplus
 
#include <cstddef>
 
namespace std {

template <> struct hash<BloombergLP::blpapi::CorrelationId> {
    std::size_t operator()(
            const BloombergLP::blpapi::CorrelationId& cid) const;
};

 
//=============================================================================
//                           INLINE FUNCTION DEFINITIONS
//=============================================================================
 
inline std::size_t hash<BloombergLP::blpapi::CorrelationId>::operator()(
        const BloombergLP::blpapi::CorrelationId& cid) const
{
    // required by BLPAPI_CALL for UnsupportedOperationException
    using namespace BloombergLP::blpapi;
 
    std::size_t hash = 0;
    BLPAPI_CALL(blpapi_CorrelationId_hash)(&hash, &cid.impl());
    return hash;
}
 
} // close namespace std
 
#endif // #ifdef __cplusplus
#endif // #ifndef INCLUDED_BLPAPI_CORRELATIONIDHASH