Examples with Node org.sirix.node.interfaces.Node used on opensource projects

Example 21 with Node

use of org.sirix.node.interfaces.Node in project sirix by sirixdb.

the class XdmResourceManager method beginNodeWriteTrx.

@Override
public synchronized XdmNodeWriteTrx beginNodeWriteTrx(@Nonnegative final int maxNodeCount, @Nonnull final TimeUnit timeUnit, @Nonnegative final int maxTime) {
    // Checks.
    assertAccess(mLastCommittedUberPage.get().getRevision());
    if (maxNodeCount < 0 || maxTime < 0) {
        throw new SirixUsageException("maxNodeCount may not be < 0!");
    }
    checkNotNull(timeUnit);
    // Make sure not to exceed available number of write transactions.
    try {
        if (!mWriteSemaphore.tryAcquire(20, TimeUnit.SECONDS)) {
            throw new SirixUsageException("No write transaction available, please close the write transaction first.");
        }
    } catch (final InterruptedException e) {
        throw new SirixThreadedException(e);
    }
    // Create new page write transaction (shares the same ID with the node write trx).
    final long currentTrxID = mNodeTrxIDCounter.incrementAndGet();
    final int lastRev = mLastCommittedUberPage.get().getRevisionNumber();
    final PageWriteTrx<Long, Record, UnorderedKeyValuePage> pageWtx = createPageWriteTransaction(currentTrxID, lastRev, lastRev, Abort.NO);
    final Node documentNode = getDocumentNode(pageWtx);
    // Create new node write transaction.
    final XdmNodeWriteTrx wtx = new XdmNodeWriterTrxImpl(currentTrxID, this, pageWtx, maxNodeCount, timeUnit, maxTime, documentNode);
    // Remember node transaction for debugging and safe close.
    if (mNodeReaderMap.put(currentTrxID, wtx) != null || mNodePageTrxMap.put(currentTrxID, pageWtx) != null) {
        throw new SirixThreadedException("ID generation is bogus because of duplicate ID.");
    }
    return wtx;
}

Example 22 with Node

use of org.sirix.node.interfaces.Node in project sirix by sirixdb.

the class PageWriteTrxImpl method removeEntry.

@Override
public void removeEntry(final Long recordKey, @Nonnull final PageKind pageKind, final int index, final Optional<UnorderedKeyValuePage> keyValuePage) throws SirixIOException {
    mPageRtx.assertNotClosed();
    final long nodePageKey = mPageRtx.pageKey(recordKey);
    final PageContainer cont = prepareRecordPage(nodePageKey, index, pageKind);
    final Optional<Record> node = getRecord(recordKey, pageKind, index);
    if (node.isPresent()) {
        final Record nodeToDel = node.get();
        final Node delNode = new DeletedNode(new NodeDelegate(nodeToDel.getNodeKey(), -1, -1, -1, Optional.<SirixDeweyID>empty()));
        ((UnorderedKeyValuePage) cont.getModified()).setEntry(delNode.getNodeKey(), delNode);
        ((UnorderedKeyValuePage) cont.getComplete()).setEntry(delNode.getNodeKey(), delNode);
    } else {
        throw new IllegalStateException("Node not found!");
    }
}