/** Sets the fetch plan to use. */
public OQuery<T> setFetchPlan(final String fetchPlan) {
OFetchHelper.checkFetchPlanValid(fetchPlan);
if (fetchPlan != null && fetchPlan.length() == 0) this.fetchPlan = null;
else this.fetchPlan = fetchPlan;
return this;
}
public <RET extends ORecordInternal<?>> RET executeReadRecord(
final ORecordId iRid,
ORecordInternal<?> iRecord,
final String iFetchPlan,
final boolean iIgnoreCache) {
checkOpeness();
// setCurrentDatabaseinThreadLocal();
try {
checkSecurity(
ODatabaseSecurityResources.CLUSTER,
ORole.PERMISSION_READ,
getClusterNameById(iRid.getClusterId()));
// SEARCH IN LOCAL TX
ORecordInternal<?> record = getTransaction().getRecord(iRid);
if (record == null && !iIgnoreCache)
// SEARCH INTO THE CACHE
record = getLevel1Cache().findRecord(iRid);
if (record != null) {
OFetchHelper.checkFetchPlanValid(iFetchPlan);
callbackHooks(TYPE.BEFORE_READ, record);
if (record.getInternalStatus() == ORecordElement.STATUS.NOT_LOADED) record.reload();
callbackHooks(TYPE.AFTER_READ, record);
return (RET) record;
}
final ORawBuffer recordBuffer = underlying.read(iRid, iFetchPlan);
if (recordBuffer == null) return null;
if (iRecord == null || iRecord.getRecordType() != recordBuffer.recordType)
// NO SAME RECORD TYPE: CAN'T REUSE OLD ONE BUT CREATE A NEW ONE FOR IT
iRecord = Orient.instance().getRecordFactoryManager().newInstance(recordBuffer.recordType);
iRecord.fill(iRid, recordBuffer.version, recordBuffer.buffer, false);
callbackHooks(TYPE.BEFORE_READ, iRecord);
iRecord.fromStream(recordBuffer.buffer);
iRecord.setInternalStatus(ORecordElement.STATUS.LOADED);
callbackHooks(TYPE.AFTER_READ, iRecord);
if (!iIgnoreCache) getLevel1Cache().updateRecord(iRecord);
return (RET) iRecord;
} catch (OException e) {
// RE-THROW THE EXCEPTION
throw e;
} catch (Exception e) {
// WRAP IT AS ODATABASE EXCEPTION
OLogManager.instance()
.exception("Error on retrieving record " + iRid, e, ODatabaseException.class);
}
return null;
}