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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/web_applications/locks/partitioned_lock.h"
#include <ostream>
namespace web_app {
PartitionedLock::PartitionedLock() = default;
PartitionedLock::~PartitionedLock() {
Release();
}
PartitionedLock::PartitionedLock(PartitionedLock&& other) noexcept {
DCHECK(!this->is_locked())
<< "Cannot move a lock onto an active lock: " << *this;
this->lock_id_ = std::move(other.lock_id_);
this->lock_released_callback_ = std::move(other.lock_released_callback_);
DCHECK(!other.is_locked());
}
PartitionedLock::PartitionedLock(PartitionedLockId range,
LockReleasedCallback lock_released_callback)
: lock_id_(std::move(range)),
lock_released_callback_(std::move(lock_released_callback)) {}
PartitionedLock& PartitionedLock::operator=(PartitionedLock&& other) noexcept {
DCHECK(!this->is_locked())
<< "Cannot move a lock onto an active lock: " << *this;
this->lock_id_ = std::move(other.lock_id_);
this->lock_released_callback_ = std::move(other.lock_released_callback_);
DCHECK(!other.is_locked());
return *this;
}
void PartitionedLock::Release() {
if (is_locked()) {
std::move(lock_released_callback_).Run(lock_id_);
}
}
std::ostream& operator<<(std::ostream& out, const PartitionedLock& lock) {
return out << "<PartitionedLock>{is_locked_: " << lock.is_locked()
<< ", lock_id_: " << lock.lock_id() << "}";
}
bool operator<(const PartitionedLock& x, const PartitionedLock& y) {
return x.lock_id() < y.lock_id();
}
bool operator==(const PartitionedLock& x, const PartitionedLock& y) {
return x.lock_id() == y.lock_id();
}
} // namespace web_app
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