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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "transport_latch.h"
#include <vespa/vespalib/util/stringfmt.h>
using vespalib::make_string;
using storage::spi::Result;
namespace proton {
TransportLatch::TransportLatch(uint32_t cnt)
: _latch(cnt),
_lock(),
_result()
{
if (cnt == 0u) {
_result = std::make_unique<Result>();
}
}
TransportLatch::~TransportLatch() = default;
void
TransportLatch::send(ResultUP result, bool documentWasFound)
{
{
std::lock_guard<std::mutex> guard(_lock);
if (!_result) {
_result = std::move(result);
} else if (result->hasError()) {
_result.reset(new Result(mergeErrorResults(*_result, *result)));
} else if (documentWasFound) {
_result = std::move(result);
}
}
_latch.countDown();
}
Result
TransportLatch::mergeErrorResults(const Result &lhs, const Result &rhs)
{
Result::ErrorType error = (lhs.getErrorCode() > rhs.getErrorCode() ? lhs : rhs).getErrorCode();
return Result(error, make_string("%s, %s", lhs.getErrorMessage().c_str(), rhs.getErrorMessage().c_str()));
}
} // proton
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