// Store a value and error in given hash entry.
// On entry, gCacheMutex must be held. Hash entry element must be in progress.
// value must be non NULL.
// On Exit, soft reference added to value. value and status stored in hash
// entry. Soft reference removed from previous stored value. Waiting
// threads notified.
void UnifiedCache::_put(
const UHashElement *element,
const SharedObject *value,
const UErrorCode status) const {
U_ASSERT(_inProgress(element));
const CacheKeyBase *theKey = (const CacheKeyBase *) element->key.pointer;
const SharedObject *oldValue = (const SharedObject *) element->value.pointer;
theKey->fCreationStatus = status;
if (value->noSoftReferences()) {
_registerMaster(theKey, value);
}
value->addSoftRef();
UHashElement *ptr = const_cast<UHashElement *>(element);
ptr->value.pointer = (void *) value;
oldValue->removeSoftRef();
// Tell waiting threads that we replace in-progress status with
// an error.
umtx_condBroadcast(&gInProgressValueAddedCond);
}
// Places a new value and creationStatus in the cache for the given key.
// On entry, gCacheMutex must be held. key must not exist in the cache.
// On exit, value and creation status placed under key. Soft reference added
// to value on successful add. On error sets status.
void UnifiedCache::_putNew(
const CacheKeyBase &key,
const SharedObject *value,
const UErrorCode creationStatus,
UErrorCode &status) const {
if (U_FAILURE(status)) {
return;
}
CacheKeyBase *keyToAdopt = key.clone();
if (keyToAdopt == NULL) {
status = U_MEMORY_ALLOCATION_ERROR;
return;
}
keyToAdopt->fCreationStatus = creationStatus;
if (value->noSoftReferences()) {
_registerMaster(keyToAdopt, value);
}
uhash_put(fHashtable, keyToAdopt, (void *) value, &status);
if (U_SUCCESS(status)) {
value->addSoftRef();
}
}
void UnifiedCache::_putNew(
const CacheKeyBase &key,
const SharedObject *value,
const UErrorCode creationStatus,
UErrorCode &status) const {
if (U_FAILURE(status)) {
return;
}
CacheKeyBase *keyToAdopt = key.clone();
if (keyToAdopt == NULL) {
status = U_MEMORY_ALLOCATION_ERROR;
return;
}
keyToAdopt->fCreationStatus = creationStatus;
if (value->softRefCount == 0) {
_registerMaster(keyToAdopt, value);
}
void *oldValue = uhash_put(fHashtable, keyToAdopt, (void *) value, &status);
U_ASSERT(oldValue == nullptr);
(void)oldValue;
if (U_SUCCESS(status)) {
value->softRefCount++;
}
}
