Examples with StoreId org.neo4j.causalclustering.identity.StoreId used on opensource projects

Example 26 with StoreId

use of org.neo4j.causalclustering.identity.StoreId in project neo4j by neo4j.

the class StoreFiles method readStoreId.

public StoreId readStoreId(File storeDir) throws IOException {
    File neoStoreFile = new File(storeDir, MetaDataStore.DEFAULT_NAME);
    org.neo4j.kernel.impl.store.StoreId kernelStoreId = MetaDataStore.getStoreId(pageCache, neoStoreFile);
    return new StoreId(kernelStoreId.getCreationTime(), kernelStoreId.getRandomId(), kernelStoreId.getUpgradeTime(), kernelStoreId.getUpgradeId());
}

Example 27 with StoreId

use of org.neo4j.causalclustering.identity.StoreId in project neo4j by neo4j.

the class TxPullRequestHandler method channelRead0.

@Override
protected void channelRead0(ChannelHandlerContext ctx, final TxPullRequest msg) throws Exception {
    long firstTxId = Math.max(msg.previousTxId(), BASE_TX_ID) + 1;
    long lastTxId = firstTxId;
    CatchupResult status = SUCCESS_END_OF_STREAM;
    StoreId localStoreId = storeIdSupplier.get();
    long lastCommittedTransactionId = transactionIdStore.getLastCommittedTransactionId();
    if (localStoreId == null || !localStoreId.equals(msg.expectedStoreId())) {
        status = E_STORE_ID_MISMATCH;
        log.info("Failed to serve TxPullRequest for tx %d and storeId %s because that storeId is different " + "from this machine with %s", lastTxId, msg.expectedStoreId(), localStoreId);
    } else if (!databaseAvailable.getAsBoolean()) {
        // database is not available for pulling transactions...
        status = E_STORE_UNAVAILABLE;
        log.info("Failed to serve TxPullRequest for tx %d because the local database is unavailable.", lastTxId);
    } else if (lastCommittedTransactionId >= firstTxId) {
        try (IOCursor<CommittedTransactionRepresentation> cursor = logicalTransactionStore.getTransactions(firstTxId)) {
            status = SUCCESS_END_OF_BATCH;
            for (int i = 0; i < batchSize; i++) {
                if (cursor.next()) {
                    ctx.write(ResponseMessageType.TX);
                    CommittedTransactionRepresentation tx = cursor.get();
                    lastTxId = tx.getCommitEntry().getTxId();
                    ctx.write(new TxPullResponse(localStoreId, tx));
                } else {
                    status = SUCCESS_END_OF_STREAM;
                    break;
                }
            }
            ctx.flush();
        } catch (NoSuchTransactionException e) {
            status = E_TRANSACTION_PRUNED;
            log.info("Failed to serve TxPullRequest for tx %d because the transaction does not exist.", lastTxId);
        }
    }
    ctx.write(ResponseMessageType.TX_STREAM_FINISHED);
    TxStreamFinishedResponse response = new TxStreamFinishedResponse(status, lastCommittedTransactionId);
    ctx.write(response);
    ctx.flush();
    monitor.increment();
    protocol.expect(State.MESSAGE_TYPE);
}

Example 28 with StoreId

use of org.neo4j.causalclustering.identity.StoreId in project neo4j by neo4j.

the class CoreStateDownloaderTest method shouldDownloadCompleteStoreWhenEmpty.

@Test
public void shouldDownloadCompleteStoreWhenEmpty() throws Throwable {
    // given
    StoreId remoteStoreId = new StoreId(5, 6, 7, 8);
    when(remoteStore.getStoreId(remoteMember)).thenReturn(remoteStoreId);
    when(localDatabase.isEmpty()).thenReturn(true);
    // when
    downloader.downloadSnapshot(remoteMember, coreState);
    // then
    verify(remoteStore, never()).tryCatchingUp(any(), any(), any());
    verify(storeCopyProcess).replaceWithStoreFrom(remoteMember, remoteStoreId);
}