@Override
public boolean updateState(com.cloud.storage.Volume.State currentState, Event event, com.cloud.storage.Volume.State nextState, Volume vo, Object data) {
Long oldUpdated = vo.getUpdatedCount();
Date oldUpdatedTime = vo.getUpdated();
SearchCriteria<VolumeVO> sc = AllFieldsSearch.create();
sc.setParameters("id", vo.getId());
sc.setParameters("state", currentState);
sc.setParameters("updatedCount", vo.getUpdatedCount());
vo.incrUpdatedCount();
UpdateBuilder builder = getUpdateBuilder(vo);
builder.set(vo, "state", nextState);
builder.set(vo, "updated", new Date());
int rows = update((VolumeVO)vo, sc);
if (rows == 0 && s_logger.isDebugEnabled()) {
VolumeVO dbVol = findByIdIncludingRemoved(vo.getId());
if (dbVol != null) {
StringBuilder str = new StringBuilder("Unable to update ").append(vo.toString());
str.append(": DB Data={id=").append(dbVol.getId()).append("; state=").append(dbVol.getState()).append("; updatecount=").append(dbVol.getUpdatedCount()).append(";updatedTime=")
.append(dbVol.getUpdated());
str.append(": New Data={id=").append(vo.getId()).append("; state=").append(nextState).append("; event=").append(event).append("; updatecount=").append(vo.getUpdatedCount())
.append("; updatedTime=").append(vo.getUpdated());
str.append(": stale Data={id=").append(vo.getId()).append("; state=").append(currentState).append("; event=").append(event).append("; updatecount=").append(oldUpdated)
.append("; updatedTime=").append(oldUpdatedTime);
} else {
s_logger.debug("Unable to update volume: id=" + vo.getId() + ", as there is no such volume exists in the database anymore");
}
}
return rows > 0;
}