Example 1 with Writer
use of org.sirix.io.Writer in project sirix by sirixdb.
the class XdmResourceManager method createPageWriteTransaction.
/**
* Create a new {@link PageWriteTrx}.
*
* @param id the transaction ID
* @param representRevision the revision which is represented
* @param storeRevision the revision which is stored
* @param abort determines if a transaction must be aborted (rollback) or not
* @return a new {@link PageWriteTrx} instance
*/
PageWriteTrx<Long, Record, UnorderedKeyValuePage> createPageWriteTransaction(@Nonnegative final long id, @Nonnegative final int representRevision, @Nonnegative final int storeRevision, final Abort abort) {
checkArgument(id >= 0, "id must be >= 0!");
checkArgument(representRevision >= 0, "representRevision must be >= 0!");
checkArgument(storeRevision >= 0, "storeRevision must be >= 0!");
final Writer writer = mFac.createWriter();
final int lastCommitedRev = mLastCommittedUberPage.get().getRevisionNumber();
final UberPage lastCommitedUberPage = mLastCommittedUberPage.get();
return new PageWriteTrxImpl(this, abort == Abort.YES && lastCommitedUberPage.isBootstrap() ? new UberPage() : new UberPage(lastCommitedUberPage, representRevision > 0 ? writer.readUberPageReference().getKey() : -1), writer, id, representRevision, storeRevision, lastCommitedRev, mBufferManager);
}