44 lines
1.6 KiB
C++
44 lines
1.6 KiB
C++
#include "ApiBatch.hpp"
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namespace geopro::net {
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ApiBatch::ApiBatch(QList<IApiCall*> calls, Predicate isFailure, QObject* parent)
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: QObject(parent), isFailure_(std::move(isFailure)) {
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Q_ASSERT(!calls.isEmpty()); // 契约：至少一个 call（空 batch 永不发 succeeded，调用方会挂起）
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Q_ASSERT(isFailure_); // 契约：必须提供失败谓词（否则首个 finished 即 bad_function_call）
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responses_.resize(calls.size());
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remaining_ = static_cast<int>(calls.size());
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for (int i = 0; i < calls.size(); ++i) {
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IApiCall* c = calls[i];
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calls_.append(c);
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QObject::connect(c, &IApiCall::finished, this, [this, i](const ApiResponse& resp) {
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if (aborted_) return; // §5.0 入口守卫
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if (isFailure_(resp)) {
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aborted_ = true; // 此后 remaining_ 不再维护：迟到 finished 全被入口守卫挡掉
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for (const auto& other : calls_) { // fail-fast：abort 其余在飞
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if (other) other->abort();
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}
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emit failed(i, resp);
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deleteLater();
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return;
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}
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responses_[i] = resp;
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if (--remaining_ == 0) {
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emit succeeded(responses_);
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deleteLater();
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}
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});
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}
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}
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void ApiBatch::abort() {
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if (aborted_) return;
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aborted_ = true;
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for (const auto& c : calls_) {
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if (c) c->abort();
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}
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deleteLater();
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}
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} // namespace geopro::net
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