Examples with ResourceClaim org.apache.nifi.controller.repository.claim.ResourceClaim used on opensource projects

Example 1 with ResourceClaim

use of org.apache.nifi.controller.repository.claim.ResourceClaim in project nifi by apache.

the class DtoFactory method createFlowFileDTO.

/**
 * Creates a FlowFileDTO from the specified FlowFileRecord.
 *
 * @param record record
 * @return dto
 */
public FlowFileDTO createFlowFileDTO(final FlowFileRecord record) {
    final Date now = new Date();
    final FlowFileDTO dto = new FlowFileDTO();
    dto.setUuid(record.getAttribute(CoreAttributes.UUID.key()));
    dto.setFilename(record.getAttribute(CoreAttributes.FILENAME.key()));
    dto.setPenalized(record.isPenalized());
    dto.setSize(record.getSize());
    dto.setAttributes(record.getAttributes());
    final long queuedDuration = now.getTime() - record.getLastQueueDate();
    dto.setQueuedDuration(queuedDuration);
    final long age = now.getTime() - record.getLineageStartDate();
    dto.setLineageDuration(age);
    final ContentClaim contentClaim = record.getContentClaim();
    if (contentClaim != null) {
        final ResourceClaim resourceClaim = contentClaim.getResourceClaim();
        dto.setContentClaimSection(resourceClaim.getSection());
        dto.setContentClaimContainer(resourceClaim.getContainer());
        dto.setContentClaimIdentifier(resourceClaim.getId());
        dto.setContentClaimOffset(contentClaim.getOffset() + record.getContentClaimOffset());
        dto.setContentClaimFileSizeBytes(record.getSize());
        dto.setContentClaimFileSize(FormatUtils.formatDataSize(record.getSize()));
    }
    return dto;
}

Example 2 with ResourceClaim

use of org.apache.nifi.controller.repository.claim.ResourceClaim in project nifi by apache.

the class TestVolatileContentRepository method testRedirects.

@Test
public void testRedirects() throws IOException {
    System.setProperty(NiFiProperties.PROPERTIES_FILE_PATH, TestVolatileContentRepository.class.getResource("/conf/nifi.properties").getFile());
    final Map<String, String> addProps = new HashMap<>();
    addProps.put(VolatileContentRepository.MAX_SIZE_PROPERTY, "10 MB");
    final NiFiProperties nifiProps = NiFiProperties.createBasicNiFiProperties(null, addProps);
    final VolatileContentRepository contentRepo = new VolatileContentRepository(nifiProps);
    contentRepo.initialize(claimManager);
    final ContentClaim claim = contentRepo.create(true);
    final OutputStream out = contentRepo.write(claim);
    final byte[] oneK = new byte[1024];
    Arrays.fill(oneK, (byte) 55);
    // Write 10 MB to the repo
    for (int i = 0; i < 10240; i++) {
        out.write(oneK);
    }
    try {
        out.write(1);
        Assert.fail("Expected to be out of space on content repo");
    } catch (final IOException e) {
    }
    try {
        out.write(1);
        Assert.fail("Expected to be out of space on content repo");
    } catch (final IOException e) {
    }
    final ContentRepository mockRepo = Mockito.mock(ContentRepository.class);
    contentRepo.setBackupRepository(mockRepo);
    final ResourceClaim resourceClaim = claimManager.newResourceClaim("container", "section", "1000", true, false);
    final ContentClaim contentClaim = new StandardContentClaim(resourceClaim, 0L);
    Mockito.when(mockRepo.create(Matchers.anyBoolean())).thenReturn(contentClaim);
    final ByteArrayOutputStream overflowStream = new ByteArrayOutputStream();
    Mockito.when(mockRepo.write(Matchers.any(ContentClaim.class))).thenReturn(overflowStream);
    out.write(10);
    assertEquals(1024 * 1024 * 10 + 1, overflowStream.size());
    final byte[] overflowBuffer = overflowStream.toByteArray();
    assertEquals(55, overflowBuffer[0]);
    for (int i = 0; i < overflowBuffer.length; i++) {
        if (i == overflowBuffer.length - 1) {
            assertEquals(10, overflowBuffer[i]);
        } else {
            assertEquals(55, overflowBuffer[i]);
        }
    }
}

Example 3 with ResourceClaim

use of org.apache.nifi.controller.repository.claim.ResourceClaim in project nifi by apache.

the class TestWriteAheadFlowFileRepository method testResourceClaimsIncremented.

@Test
public void testResourceClaimsIncremented() throws IOException {
    final ResourceClaimManager claimManager = new StandardResourceClaimManager();
    final TestQueueProvider queueProvider = new TestQueueProvider();
    final Connection connection = Mockito.mock(Connection.class);
    when(connection.getIdentifier()).thenReturn("1234");
    when(connection.getDestination()).thenReturn(Mockito.mock(Connectable.class));
    final FlowFileSwapManager swapMgr = new MockFlowFileSwapManager();
    final FlowFileQueue queue = new StandardFlowFileQueue("1234", connection, null, null, claimManager, null, swapMgr, null, 10000);
    when(connection.getFlowFileQueue()).thenReturn(queue);
    queueProvider.addConnection(connection);
    final ResourceClaim resourceClaim1 = claimManager.newResourceClaim("container", "section", "1", false, false);
    final ContentClaim claim1 = new StandardContentClaim(resourceClaim1, 0L);
    final ResourceClaim resourceClaim2 = claimManager.newResourceClaim("container", "section", "2", false, false);
    final ContentClaim claim2 = new StandardContentClaim(resourceClaim2, 0L);
    // resource claims' counts should be updated for both the swapped out FlowFile and the non-swapped out FlowFile
    try (final WriteAheadFlowFileRepository repo = new WriteAheadFlowFileRepository(NiFiProperties.createBasicNiFiProperties(null, null))) {
        repo.initialize(claimManager);
        repo.loadFlowFiles(queueProvider, -1L);
        // Create a Repository Record that indicates that a FlowFile was created
        final FlowFileRecord flowFile1 = new StandardFlowFileRecord.Builder().id(1L).addAttribute("uuid", "11111111-1111-1111-1111-111111111111").contentClaim(claim1).build();
        final StandardRepositoryRecord rec1 = new StandardRepositoryRecord(queue);
        rec1.setWorking(flowFile1);
        rec1.setDestination(queue);
        // Create a Record that we can swap out
        final FlowFileRecord flowFile2 = new StandardFlowFileRecord.Builder().id(2L).addAttribute("uuid", "11111111-1111-1111-1111-111111111112").contentClaim(claim2).build();
        final StandardRepositoryRecord rec2 = new StandardRepositoryRecord(queue);
        rec2.setWorking(flowFile2);
        rec2.setDestination(queue);
        final List<RepositoryRecord> records = new ArrayList<>();
        records.add(rec1);
        records.add(rec2);
        repo.updateRepository(records);
        final String swapLocation = swapMgr.swapOut(Collections.singletonList(flowFile2), queue);
        repo.swapFlowFilesOut(Collections.singletonList(flowFile2), queue, swapLocation);
    }
    final ResourceClaimManager recoveryClaimManager = new StandardResourceClaimManager();
    try (final WriteAheadFlowFileRepository repo = new WriteAheadFlowFileRepository(NiFiProperties.createBasicNiFiProperties(null, null))) {
        repo.initialize(recoveryClaimManager);
        final long largestId = repo.loadFlowFiles(queueProvider, 0L);
        // largest ID known is 1 because this doesn't take into account the FlowFiles that have been swapped out
        assertEquals(1, largestId);
    }
    // resource claim 1 will have a single claimant count while resource claim 2 will have no claimant counts
    // because resource claim 2 is referenced only by flowfiles that are swapped out.
    assertEquals(1, recoveryClaimManager.getClaimantCount(resourceClaim1));
    assertEquals(0, recoveryClaimManager.getClaimantCount(resourceClaim2));
    final SwapSummary summary = queue.recoverSwappedFlowFiles();
    assertNotNull(summary);
    assertEquals(2, summary.getMaxFlowFileId().intValue());
    assertEquals(new QueueSize(1, 0L), summary.getQueueSize());
    final List<ResourceClaim> swappedOutClaims = summary.getResourceClaims();
    assertNotNull(swappedOutClaims);
    assertEquals(1, swappedOutClaims.size());
    assertEquals(claim2.getResourceClaim(), swappedOutClaims.get(0));
}

Example 4 with ResourceClaim

use of org.apache.nifi.controller.repository.claim.ResourceClaim in project nifi by apache.

the class MockFlowFile method createContentClaim.

public static ContentClaim createContentClaim(final String id, final ResourceClaimManager claimManager) {
    final ResourceClaim resourceClaim = claimManager.newResourceClaim("container", "section", id, false, false);
    claimManager.incrementClaimantCount(resourceClaim);
    return new StandardContentClaim(resourceClaim, 3L);
}

Example 5 with ResourceClaim

use of org.apache.nifi.controller.repository.claim.ResourceClaim in project nifi by apache.

the class StandardFlowFileQueue method recoverSwappedFlowFiles.

@Override
public SwapSummary recoverSwappedFlowFiles() {
    int swapFlowFileCount = 0;
    long swapByteCount = 0L;
    Long maxId = null;
    List<ResourceClaim> resourceClaims = new ArrayList<>();
    final long startNanos = System.nanoTime();
    writeLock.lock();
    try {
        final List<String> swapLocations;
        try {
            swapLocations = swapManager.recoverSwapLocations(this);
        } catch (final IOException ioe) {
            logger.error("Failed to determine whether or not any Swap Files exist for FlowFile Queue {}", getIdentifier());
            logger.error("", ioe);
            if (eventReporter != null) {
                eventReporter.reportEvent(Severity.ERROR, "FlowFile Swapping", "Failed to determine whether or not any Swap Files exist for FlowFile Queue " + getIdentifier() + "; see logs for more detials");
            }
            return null;
        }
        for (final String swapLocation : swapLocations) {
            try {
                final SwapSummary summary = swapManager.getSwapSummary(swapLocation);
                final QueueSize queueSize = summary.getQueueSize();
                final Long maxSwapRecordId = summary.getMaxFlowFileId();
                if (maxSwapRecordId != null) {
                    if (maxId == null || maxSwapRecordId > maxId) {
                        maxId = maxSwapRecordId;
                    }
                }
                swapFlowFileCount += queueSize.getObjectCount();
                swapByteCount += queueSize.getByteCount();
                resourceClaims.addAll(summary.getResourceClaims());
            } catch (final IOException ioe) {
                logger.error("Failed to recover FlowFiles from Swap File {}; the file appears to be corrupt", swapLocation, ioe.toString());
                logger.error("", ioe);
                if (eventReporter != null) {
                    eventReporter.reportEvent(Severity.ERROR, "FlowFile Swapping", "Failed to recover FlowFiles from Swap File " + swapLocation + "; the file appears to be corrupt. See logs for more details");
                }
            }
        }
        incrementSwapQueueSize(swapFlowFileCount, swapByteCount, swapLocations.size());
        this.swapLocations.addAll(swapLocations);
    } finally {
        writeLock.unlock("Recover Swap Files");
    }
    if (!swapLocations.isEmpty()) {
        final long millis = TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - startNanos);
        logger.info("Recovered {} swap files for {} in {} millis", swapLocations.size(), this, millis);
    }
    return new StandardSwapSummary(new QueueSize(swapFlowFileCount, swapByteCount), maxId, resourceClaims);
}