Examples with BranchedDataPolicy org.neo4j.kernel.ha.BranchedDataPolicy used on opensource projects

Example 1 with BranchedDataPolicy

use of org.neo4j.kernel.ha.BranchedDataPolicy in project neo4j by neo4j.

the class SwitchToSlaveCopyThenBranchTest method shouldNotBranchStoreUnlessWeHaveCopiedDownAReplacement.

@Test
public void shouldNotBranchStoreUnlessWeHaveCopiedDownAReplacement() throws Throwable {
    // Given
    StoreCopyClient storeCopyClient = mock(StoreCopyClient.class);
    doAnswer(invocation -> {
        MoveAfterCopy moveAfterCopy = invocation.getArgumentAt(2, MoveAfterCopy.class);
        moveAfterCopy.move(Stream.empty(), new File(""), new File(""));
        return null;
    }).when(storeCopyClient).copyStore(any(StoreCopyClient.StoreCopyRequester.class), any(CancellationRequest.class), any(MoveAfterCopy.class));
    PageCache pageCacheMock = mock(PageCache.class);
    PagedFile pagedFileMock = mock(PagedFile.class);
    when(pagedFileMock.getLastPageId()).thenReturn(1L);
    when(pageCacheMock.map(any(File.class), anyInt())).thenReturn(pagedFileMock);
    SwitchToSlaveCopyThenBranch switchToSlave = newSwitchToSlaveSpy(pageCacheMock, storeCopyClient);
    URI masterUri = new URI("cluster://localhost?serverId=1");
    URI me = new URI("cluster://localhost?serverId=2");
    CancellationRequest cancellationRequest = CancellationRequest.NEVER_CANCELLED;
    MasterClient masterClient = mock(MasterClient.class);
    when(masterClient.handshake(anyLong(), any(StoreId.class))).thenThrow(new BranchedDataException(""));
    TransactionIdStore transactionIdStore = mock(TransactionIdStore.class);
    when(transactionIdStore.getLastCommittedTransaction()).thenReturn(new TransactionId(42, 42, 42));
    when(transactionIdStore.getLastCommittedTransactionId()).thenReturn(TransactionIdStore.BASE_TX_ID);
    // When
    BranchedDataPolicy branchPolicy = mock(BranchedDataPolicy.class);
    switchToSlave.stopServicesAndHandleBranchedStore(branchPolicy, masterUri, me, cancellationRequest);
    // Then
    InOrder inOrder = Mockito.inOrder(storeCopyClient, branchPolicy);
    inOrder.verify(storeCopyClient).copyStore(any(StoreCopyClient.StoreCopyRequester.class), any(CancellationRequest.class), any(MoveAfterCopy.class));
    inOrder.verify(branchPolicy).handle(new File(""), pageCacheMock, NullLogService.getInstance());
}

Example 2 with BranchedDataPolicy

use of org.neo4j.kernel.ha.BranchedDataPolicy in project neo4j by neo4j.

the class SwitchToSlaveCopyThenBranch method stopServicesAndHandleBranchedStore.

void stopServicesAndHandleBranchedStore(BranchedDataPolicy branchPolicy, URI masterUri, URI me, CancellationRequest cancellationRequest) throws Throwable {
    MoveAfterCopy moveWithCopyThenBranch = (moves, fromDirectory, toDirectory) -> {
        stopServices();
        msgLog.debug("Branching store: " + storeDir);
        branchPolicy.handle(storeDir, pageCache, logService);
        msgLog.debug("Moving downloaded store from " + fromDirectory + " to " + toDirectory);
        MoveAfterCopy.moveReplaceExisting().move(moves, fromDirectory, toDirectory);
        msgLog.debug("Moved downloaded store from " + fromDirectory + " to " + toDirectory);
    };
    copyStore(masterUri, me, cancellationRequest, moveWithCopyThenBranch);
}