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

Example 16 with StoreId

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

the class ReadReplicaStartupProcess method syncStoreWithUpstream.

private void syncStoreWithUpstream(MemberId source) throws IOException, StoreIdDownloadFailedException, StoreCopyFailedException, StreamingTransactionsFailedException {
    if (localDatabase.isEmpty()) {
        debugLog.info("Local database is empty, attempting to replace with copy from upstream server %s", source);
        debugLog.info("Finding store id of upstream server %s", source);
        StoreId storeId = remoteStore.getStoreId(source);
        debugLog.info("Copying store from upstream server %s", source);
        localDatabase.delete();
        storeCopyProcess.replaceWithStoreFrom(source, storeId);
        debugLog.info("Restarting local database after copy.", source);
    } else {
        ensureSameStoreIdAs(source);
    }
}

Example 17 with StoreId

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

the class ReadReplicaStartupProcess method ensureSameStoreIdAs.

private void ensureSameStoreIdAs(MemberId upstream) throws StoreIdDownloadFailedException {
    StoreId localStoreId = localDatabase.storeId();
    StoreId remoteStoreId = remoteStore.getStoreId(upstream);
    if (!localStoreId.equals(remoteStoreId)) {
        throw new IllegalStateException(format("This read replica cannot join the cluster. " + "The local database is not empty and has a mismatching storeId: expected %s actual %s.", remoteStoreId, localStoreId));
    }
}

Example 18 with StoreId

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

the class TxPullRequestEncodeDecodeTest method shouldEncodeAndDecodePullRequestMessage.

@Test
public void shouldEncodeAndDecodePullRequestMessage() {
    // given
    EmbeddedChannel channel = new EmbeddedChannel(new TxPullRequestEncoder(), new TxPullRequestDecoder());
    final long arbitraryId = 23;
    TxPullRequest sent = new TxPullRequest(arbitraryId, new StoreId(1, 2, 3, 4));
    // when
    channel.writeOutbound(sent);
    channel.writeInbound(new Object[] { channel.readOutbound() });
    // then
    TxPullRequest received = (TxPullRequest) channel.readInbound();
    assertNotSame(sent, received);
    assertEquals(sent, received);
}

Example 19 with StoreId

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

the class TxPullRequestHandlerTest method shouldNotStreamTxsAndReportErrorIfTheLocalDatabaseIsNotAvailable.

@Test
public void shouldNotStreamTxsAndReportErrorIfTheLocalDatabaseIsNotAvailable() throws Exception {
    // given
    StoreId storeId = new StoreId(1, 2, 3, 4);
    TransactionIdStore transactionIdStore = mock(TransactionIdStore.class);
    when(transactionIdStore.getLastCommittedTransactionId()).thenReturn(15L);
    LogicalTransactionStore logicalTransactionStore = mock(LogicalTransactionStore.class);
    TxPullRequestHandler txPullRequestHandler = new TxPullRequestHandler(new CatchupServerProtocol(), () -> storeId, () -> false, () -> transactionIdStore, () -> logicalTransactionStore, BATCH_SIZE, new Monitors(), logProvider);
    // when
    txPullRequestHandler.channelRead0(context, new TxPullRequest(1, storeId));
    // then
    verify(context, never()).write(ResponseMessageType.TX);
    verify(context).write(ResponseMessageType.TX_STREAM_FINISHED);
    verify(context).write(new TxStreamFinishedResponse(E_STORE_UNAVAILABLE, 15L));
    logProvider.assertAtLeastOnce(inLog(TxPullRequestHandler.class).info("Failed to serve TxPullRequest for tx %d because the local database is unavailable.", 2L));
}

Example 20 with StoreId

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

the class TxPullRequestHandlerTest method shouldRespondWithBatchOfTransactions.

@Test
public void shouldRespondWithBatchOfTransactions() throws Exception {
    // given
    StoreId storeId = new StoreId(1, 2, 3, 4);
    TransactionIdStore transactionIdStore = mock(TransactionIdStore.class);
    when(transactionIdStore.getLastCommittedTransactionId()).thenReturn(15L);
    LogicalTransactionStore logicalTransactionStore = mock(LogicalTransactionStore.class);
    when(logicalTransactionStore.getTransactions(14L)).thenReturn(txCursor(cursor(tx(14), tx(15), tx(16), tx(17))));
    TxPullRequestHandler txPullRequestHandler = new TxPullRequestHandler(new CatchupServerProtocol(), () -> storeId, () -> true, () -> transactionIdStore, () -> logicalTransactionStore, BATCH_SIZE, new Monitors(), NullLogProvider.getInstance());
    // when
    txPullRequestHandler.channelRead0(context, new TxPullRequest(13, storeId));
    // then
    verify(context, times(3)).write(ResponseMessageType.TX);
    verify(context).write(new TxPullResponse(storeId, tx(14)));
    verify(context).write(new TxPullResponse(storeId, tx(15)));
    verify(context).write(new TxPullResponse(storeId, tx(16)));
    verify(context).write(ResponseMessageType.TX_STREAM_FINISHED);
    verify(context).write(new TxStreamFinishedResponse(SUCCESS_END_OF_BATCH, 15L));
}