@Transactional
private void updateCapacity(long total, long avail) {
PrimaryStorageCapacityVO cvo =
dbf.getEntityManager()
.find(PrimaryStorageCapacityVO.class, self.getUuid(), LockModeType.PESSIMISTIC_WRITE);
DebugUtils.Assert(
cvo != null,
String.format("how can there is no PrimaryStorageCapacityVO[uuid:%s]", self.getUuid()));
cvo.setTotalPhysicalCapacity(total);
cvo.setAvailablePhysicalCapacity(avail);
dbf.getEntityManager().merge(cvo);
}
@Transactional
private void handle(TakePrimaryStorageCapacityMsg msg) {
PrimaryStorageCapacityVO vo =
dbf.getEntityManager()
.find(PrimaryStorageCapacityVO.class, self.getUuid(), LockModeType.PESSIMISTIC_WRITE);
vo.setAvailableCapacity(vo.getAvailableCapacity() - msg.getSize());
if (vo.getAvailableCapacity() < 0) {
vo.setAvailableCapacity(0);
}
dbf.getEntityManager().merge(vo);
TakePrimaryStorageCapacityReply reply = new TakePrimaryStorageCapacityReply();
bus.reply(msg, reply);
}
@Transactional
private void handle(PrimaryStorageReportCapacityMsg msg) {
PrimaryStorageCapacityVO vo =
dbf.getEntityManager()
.find(PrimaryStorageCapacityVO.class, self.getUuid(), LockModeType.PESSIMISTIC_WRITE);
if (vo.getTotalCapacity() == 0) {
vo.setTotalCapacity(msg.getTotalCapacity());
vo.setAvailableCapacity(msg.getAvailableCapacity());
dbf.getEntityManager().merge(vo);
}
PrimaryStorageReportCapacityReply reply = new PrimaryStorageReportCapacityReply();
bus.reply(msg, reply);
}
