Examples with DeleteBuilder org.apache.curator.framework.api.DeleteBuilder used on opensource projects

Example 11 with DeleteBuilder

use of org.apache.curator.framework.api.DeleteBuilder in project heron by twitter.

the class CuratorStateManager method deleteNode.

@Override
protected ListenableFuture<Boolean> deleteNode(String path, boolean deleteChildrenIfNecessary) {
    final SettableFuture<Boolean> result = SettableFuture.create();
    try {
        DeleteBuilder deleteBuilder = client.delete();
        if (deleteChildrenIfNecessary) {
            deleteBuilder = (DeleteBuilder) deleteBuilder.deletingChildrenIfNeeded();
        }
        deleteBuilder.withVersion(-1).forPath(path);
        LOG.info("Deleted node for path: " + path);
        result.set(true);
    } catch (KeeperException e) {
        if (KeeperException.Code.NONODE.equals(e.code())) {
            result.set(true);
        } else {
            result.setException(new RuntimeException("Could not deleteNode", e));
        }
    // Suppress it since forPath() throws Exception
    // SUPPRESS CHECKSTYLE IllegalCatch
    } catch (Exception e) {
        result.setException(new RuntimeException("Could not deleteNode", e));
    }
    return result;
}

Example 12 with DeleteBuilder

use of org.apache.curator.framework.api.DeleteBuilder in project hadoop by apache.

the class CuratorService method zkDelete.

/**
   * Delete a directory/directory tree.
   * It is not an error to delete a path that does not exist
   * @param path path of operation
   * @param recursive flag to trigger recursive deletion
   * @param backgroundCallback callback; this being set converts the operation
   * into an async/background operation.
   * task
   * @throws IOException on problems other than no-such-path
   */
public void zkDelete(String path, boolean recursive, BackgroundCallback backgroundCallback) throws IOException {
    checkServiceLive();
    String fullpath = createFullPath(path);
    try {
        if (LOG.isDebugEnabled()) {
            LOG.debug("Deleting {}", fullpath);
        }
        DeleteBuilder delete = curator.delete();
        if (recursive) {
            delete.deletingChildrenIfNeeded();
        }
        if (backgroundCallback != null) {
            delete.inBackground(backgroundCallback);
        }
        delete.forPath(fullpath);
    } catch (KeeperException.NoNodeException e) {
    // not an error
    } catch (Exception e) {
        throw operationFailure(fullpath, "delete()", e);
    }
}

Example 13 with DeleteBuilder

use of org.apache.curator.framework.api.DeleteBuilder in project incubator-atlas by apache.

the class SetupStepsTest method setupSetupInProgressPathMocks.

private Pair<CreateBuilder, DeleteBuilder> setupSetupInProgressPathMocks(List<ACL> acls, Stat stat) throws Exception {
    when(curatorFactory.clientInstance()).thenReturn(client);
    CreateBuilder createBuilder = mock(CreateBuilder.class);
    when(createBuilder.withACL(acls)).thenReturn(createBuilder);
    when(client.create()).thenReturn(createBuilder);
    DeleteBuilder deleteBuilder = mock(DeleteBuilder.class);
    when(client.delete()).thenReturn(deleteBuilder);
    Pair<CreateBuilder, DeleteBuilder> pair = Pair.of(createBuilder, deleteBuilder);
    ExistsBuilder existsBuilder = mock(ExistsBuilder.class);
    when(client.checkExists()).thenReturn(existsBuilder);
    when(existsBuilder.forPath(HAConfiguration.ATLAS_SERVER_ZK_ROOT_DEFAULT + SetupSteps.SETUP_IN_PROGRESS_NODE)).thenReturn(stat);
    return pair;
}

Example 14 with DeleteBuilder

use of org.apache.curator.framework.api.DeleteBuilder in project incubator-atlas by apache.

the class SetupStepsTest method shouldDeleteSetupInProgressNodeAfterCompletion.

@Test
public void shouldDeleteSetupInProgressNodeAfterCompletion() throws Exception {
    Set<SetupStep> steps = new LinkedHashSet<>();
    SetupStep setupStep1 = mock(SetupStep.class);
    steps.add(setupStep1);
    when(configuration.getString(HAConfiguration.ATLAS_SERVER_HA_ZK_ROOT_KEY, HAConfiguration.ATLAS_SERVER_ZK_ROOT_DEFAULT)).thenReturn(HAConfiguration.ATLAS_SERVER_ZK_ROOT_DEFAULT);
    when(configuration.getString(HAConfiguration.HA_ZOOKEEPER_ACL)).thenReturn("digest:user:pwd");
    List<ACL> aclList = Arrays.asList(new ACL(ZooDefs.Perms.ALL, new Id("digest", "user:pwd")));
    setupServerIdSelectionMocks();
    DeleteBuilder deleteBuilder = setupSetupInProgressPathMocks(aclList).getRight();
    InterProcessMutex lock = mock(InterProcessMutex.class);
    when(curatorFactory.lockInstance(HAConfiguration.ATLAS_SERVER_ZK_ROOT_DEFAULT)).thenReturn(lock);
    SetupSteps setupSteps = new SetupSteps(steps, curatorFactory, configuration);
    setupSteps.runSetup();
    verify(deleteBuilder).forPath(HAConfiguration.ATLAS_SERVER_ZK_ROOT_DEFAULT + SetupSteps.SETUP_IN_PROGRESS_NODE);
}

Example 15 with DeleteBuilder

use of org.apache.curator.framework.api.DeleteBuilder in project metron by apache.

the class GlobalConfigServiceImplTest method deleteShouldProperlyCatchNonNoNodeExceptionAndThrowRestException.

@Test
public void deleteShouldProperlyCatchNonNoNodeExceptionAndThrowRestException() throws Exception {
    exception.expect(RestException.class);
    DeleteBuilder builder = mock(DeleteBuilder.class);
    when(curatorFramework.delete()).thenReturn(builder);
    when(builder.forPath(ConfigurationType.GLOBAL.getZookeeperRoot())).thenThrow(Exception.class);
    assertFalse(globalConfigService.delete());
}