Example usage for java.util EnumSet noneOf

Introduction

In this page you can find the example usage for java.util EnumSet noneOf.

Prototype

public static <E extends Enum<E>> EnumSet<E> noneOf(Class<E> elementType) 

Source Link

Document

Creates an empty enum set with the specified element type.

Usage

From source file:org.apache.hadoop.fs.azure.AzureNativeFileSystemStore.java

/**
 * Build up a metadata list of blobs in an Azure blob directory. This method
 * uses a in-order first traversal of blob directory structures to maintain
 * the sorted order of the blob names.//w  w  w  .  jav  a 2 s  .c o  m
 * 
 * @param aCloudBlobDirectory Azure blob directory
 * @param aFileMetadataList a list of file metadata objects for each
 *                          non-directory blob.
 * @param maxListingCount maximum length of the built up list.
 */
private void buildUpList(CloudBlobDirectoryWrapper aCloudBlobDirectory,
        ArrayList<FileMetadata> aFileMetadataList, final int maxListingCount, final int maxListingDepth)
        throws Exception {

    // Push the blob directory onto the stack.
    //
    AzureLinkedStack<Iterator<ListBlobItem>> dirIteratorStack = new AzureLinkedStack<Iterator<ListBlobItem>>();

    Iterable<ListBlobItem> blobItems = aCloudBlobDirectory.listBlobs(null, false,
            EnumSet.of(BlobListingDetails.METADATA), null, getInstrumentedContext());
    Iterator<ListBlobItem> blobItemIterator = blobItems.iterator();

    if (0 == maxListingDepth || 0 == maxListingCount) {
        // Recurrence depth and listing count are already exhausted. Return
        // immediately.
        return;
    }

    // The directory listing depth is unbounded if the maximum listing depth
    // is negative.
    final boolean isUnboundedDepth = (maxListingDepth < 0);

    // Reset the current directory listing depth.
    int listingDepth = 1;

    // Loop until all directories have been traversed in-order. Loop only
    // the following conditions are satisfied:
    // (1) The stack is not empty, and
    // (2) maxListingCount > 0 implies that the number of items in the
    // metadata list is less than the max listing count.
    while (null != blobItemIterator && (maxListingCount <= 0 || aFileMetadataList.size() < maxListingCount)) {
        while (blobItemIterator.hasNext()) {
            // Check if the count of items on the list exhausts the maximum
            // listing count.
            //
            if (0 < maxListingCount && aFileMetadataList.size() >= maxListingCount) {
                break;
            }

            ListBlobItem blobItem = blobItemIterator.next();

            // Add the file metadata to the list if this is not a blob
            // directory item.
            //
            if (blobItem instanceof CloudBlockBlobWrapper || blobItem instanceof CloudPageBlobWrapper) {
                String blobKey = null;
                CloudBlobWrapper blob = (CloudBlobWrapper) blobItem;
                BlobProperties properties = blob.getProperties();

                // Determine format of the blob name depending on whether an absolute
                // path is being used or not.
                blobKey = normalizeKey(blob);

                FileMetadata metadata;
                if (retrieveFolderAttribute(blob)) {
                    metadata = new FileMetadata(blobKey, properties.getLastModified().getTime(),
                            getPermissionStatus(blob), BlobMaterialization.Explicit);
                } else {
                    metadata = new FileMetadata(blobKey, getDataLength(blob, properties),
                            properties.getLastModified().getTime(), getPermissionStatus(blob));
                }

                // Add the directory metadata to the list only if it's not already
                // there.
                FileMetadata existing = getDirectoryInList(aFileMetadataList, blobKey);
                if (existing != null) {
                    aFileMetadataList.remove(existing);
                }
                aFileMetadataList.add(metadata);
            } else if (blobItem instanceof CloudBlobDirectoryWrapper) {
                CloudBlobDirectoryWrapper directory = (CloudBlobDirectoryWrapper) blobItem;

                // This is a directory blob, push the current iterator onto
                // the stack of iterators and start iterating through the current
                // directory.
                if (isUnboundedDepth || maxListingDepth > listingDepth) {
                    // Push the current directory on the stack and increment the listing
                    // depth.
                    dirIteratorStack.push(blobItemIterator);
                    ++listingDepth;

                    // The current blob item represents the new directory. Get
                    // an iterator for this directory and continue by iterating through
                    // this directory.
                    blobItems = directory.listBlobs(null, false, EnumSet.noneOf(BlobListingDetails.class), null,
                            getInstrumentedContext());
                    blobItemIterator = blobItems.iterator();
                } else {
                    // Determine format of directory name depending on whether an
                    // absolute path is being used or not.
                    String dirKey = normalizeKey(directory);

                    if (getDirectoryInList(aFileMetadataList, dirKey) == null) {
                        // Reached the targeted listing depth. Return metadata for the
                        // directory using default permissions.
                        //
                        // Note: Something smarter should be done about permissions. Maybe
                        // inherit the permissions of the first non-directory blob.
                        // Also, getting a proper value for last-modified is tricky.
                        //
                        FileMetadata directoryMetadata = new FileMetadata(dirKey, 0,
                                defaultPermissionNoBlobMetadata(), BlobMaterialization.Implicit);

                        // Add the directory metadata to the list.
                        aFileMetadataList.add(directoryMetadata);
                    }
                }
            }
        }

        // Traversal of directory tree

        // Check if the iterator stack is empty. If it is set the next blob
        // iterator to null. This will act as a terminator for the for-loop.
        // Otherwise pop the next iterator from the stack and continue looping.
        //
        if (dirIteratorStack.isEmpty()) {
            blobItemIterator = null;
        } else {
            // Pop the next directory item from the stack and decrement the
            // depth.
            blobItemIterator = dirIteratorStack.pop();
            --listingDepth;

            // Assertion: Listing depth should not be less than zero.
            if (listingDepth < 0) {
                throw new AssertionError("Non-negative listing depth expected");
            }
        }
    }
}

---

From source file:de.escidoc.core.aa.business.UserAccountHandler.java

/**
 * See Interface for functional description.
 *
 * @param parameters parameter map//from  www  .  j  av a 2s .co  m
 * @return filter sub query with permission rules
 * @throws SystemException             e
 * @throws InvalidSearchQueryException e
 */
@Override
public String retrievePermissionFilterQuery(final Map<String, String[]> parameters)
        throws InvalidSearchQueryException, SystemException {
    final Set<ResourceType> resourceTypes = EnumSet.noneOf(ResourceType.class);
    final String[] types = parameters.get("index");
    if (types != null) {
        final Collection<String> hashedTypes = new HashSet<String>();
        hashedTypes.addAll(Arrays.asList(types));
        final Map<String, Map<String, Map<String, Object>>> objectTypeParameters = this.indexingHandler
                .getObjectTypeParameters();
        for (final Entry<String, Map<String, Map<String, Object>>> entry : objectTypeParameters.entrySet()) {
            final Map<String, Map<String, Object>> index = entry.getValue();
            for (final String indexName : index.keySet()) {
                if (hashedTypes.contains(indexName)) {
                    resourceTypes.add(ResourceType.getResourceTypeFromUri(entry.getKey()));
                }
            }
        }
    }
    return Utility.prepareReturnXml(null, "<filter>" + permissionsQuery.getFilterQuery(resourceTypes,
            this.utility.getCurrentUserId(), new FilterInterface() {
                @Override
                public String getRoleId() {
                    final String[] parameter = parameters.get("role");

                    return parameter != null && parameter.length > 0 ? parameter[0] : null;
                }

                @Override
                public String getUserId() {
                    final String[] parameter = parameters.get("user");

                    return parameter != null && parameter.length > 0 ? parameter[0] : null;
                }

                @Override
                public String toString() {
                    return "[userId=" + getUserId() + ",roleId=" + getRoleId() + ']';
                }
            }) + "</filter>");
}

---

From source file:com.mellanox.r4h.DFSOutputStream.java

/**
 * Flushes out to all replicas of the block. The data is in the buffers
 * of the DNs but not necessarily in the DN's OS buffers.
 * /*  w w  w  .j a v a2s  .com*/
 * It is a synchronous operation. When it returns,
 * it guarantees that flushed data become visible to new readers.
 * It is not guaranteed that data has been flushed to
 * persistent store on the datanode.
 * Block allocations are persisted on namenode.
 */
@Override
public void hflush() throws IOException {
    TraceScope scope = dfsClient.getPathTraceScope("hflush", src);
    try {
        flushOrSync(false, EnumSet.noneOf(SyncFlag.class));
    } finally {
        scope.close();
    }
}

---

From source file:com.mellanox.r4h.DFSOutputStream.java

@Override
public void hsync() throws IOException {
    TraceScope scope = dfsClient.getPathTraceScope("hsync", src);
    try {/*from  w  w w  .  j  av a2 s  . c  o  m*/
        flushOrSync(true, EnumSet.noneOf(SyncFlag.class));
    } finally {
        scope.close();
    }
}

---

From source file:org.opencb.opencga.catalog.auth.authorization.CatalogAuthorizationManager.java

/**
 * Retrieves the StudyAcl where the user/group belongs to.
 *
 * @param studyId study id./* www .  j  a  va  2s .  c  o m*/
 * @param userId user id.
 * @param groupId group id. This can be null.
 * @return the studyAcl where the user/group belongs to.
 * @throws CatalogException when there is any database error.
 */
StudyAclEntry getStudyAclBelonging(long studyId, String userId, @Nullable String groupId)
        throws CatalogException {
    List<String> members = (groupId != null) ? Arrays.asList(userId, groupId, OTHER_USERS_ID, ANONYMOUS)
            : Arrays.asList(userId, OTHER_USERS_ID, ANONYMOUS);

    QueryResult<StudyAclEntry> studyQueryResult = studyDBAdaptor.getAcl(studyId, members);
    Map<String, StudyAclEntry> userAclMap = studyQueryResult.getResult().stream()
            .collect(Collectors.toMap(StudyAclEntry::getMember, Function.identity()));

    if (userId.equals(ANONYMOUS)) {
        if (userAclMap.containsKey(userId)) {
            return userAclMap.get(userId);
        }
        return null;
    }

    // Registered user
    EnumSet<StudyAclEntry.StudyPermissions> permissions = EnumSet.noneOf(StudyAclEntry.StudyPermissions.class);
    boolean flagPermissionFound = false;

    if (userAclMap.containsKey(userId)) {
        permissions.addAll(userAclMap.get(userId).getPermissions());
        flagPermissionFound = true;
    }
    if (StringUtils.isNotEmpty(groupId) && userAclMap.containsKey(groupId)) {
        permissions.addAll(userAclMap.get(groupId).getPermissions());
        flagPermissionFound = true;
    }
    if (userAclMap.containsKey(ANONYMOUS)) {
        permissions.addAll(userAclMap.get(ANONYMOUS).getPermissions());
        flagPermissionFound = true;
    }
    if (userAclMap.containsKey(OTHER_USERS_ID)) {
        permissions.addAll(userAclMap.get(OTHER_USERS_ID).getPermissions());
        flagPermissionFound = true;
    }

    if (flagPermissionFound) {
        return new StudyAclEntry(userId, permissions);
    }
    return null;
}

---

From source file:org.opencb.opencga.catalog.auth.authorization.CatalogAuthorizationManager.java

private FileAclEntry transformStudyAclToFileAcl(StudyAclEntry studyAcl) {
    FileAclEntry fileAcl = new FileAclEntry(null, Collections.emptyList());
    if (studyAcl == null) {
        return fileAcl;
    }//  w  w  w.  j a  v a  2s.c  o m

    fileAcl.setMember(studyAcl.getMember());
    EnumSet<StudyAclEntry.StudyPermissions> studyPermissions = studyAcl.getPermissions();
    EnumSet<FileAclEntry.FilePermissions> filePermissions = EnumSet.noneOf(FileAclEntry.FilePermissions.class);

    for (StudyAclEntry.StudyPermissions studyPermission : studyPermissions) {
        FileAclEntry.FilePermissions aux = studyPermission.getFilePermission();
        if (aux != null) {
            filePermissions.add(aux);
        }
    }
    fileAcl.setPermissions(filePermissions);
    return fileAcl;
}

---

From source file:org.opencb.opencga.catalog.auth.authorization.CatalogAuthorizationManager.java

private SampleAclEntry transformStudyAclToSampleAcl(StudyAclEntry studyAcl) {
    SampleAclEntry sampleAcl = new SampleAclEntry(null, Collections.emptyList());
    if (studyAcl == null) {
        return sampleAcl;
    }/*from ww  w. j a va2s  .c  o m*/

    sampleAcl.setMember(studyAcl.getMember());
    EnumSet<StudyAclEntry.StudyPermissions> studyPermissions = studyAcl.getPermissions();
    EnumSet<SampleAclEntry.SamplePermissions> samplePermission = EnumSet
            .noneOf(SampleAclEntry.SamplePermissions.class);

    for (StudyAclEntry.StudyPermissions studyPermission : studyPermissions) {
        SampleAclEntry.SamplePermissions aux = studyPermission.getSamplePermission();
        if (aux != null) {
            samplePermission.add(aux);
        }
    }
    sampleAcl.setPermissions(samplePermission);
    return sampleAcl;
}

---

From source file:org.opencb.opencga.catalog.auth.authorization.CatalogAuthorizationManager.java

private IndividualAclEntry transformStudyAclToIndividualAcl(StudyAclEntry studyAcl) {
    IndividualAclEntry individualAcl = new IndividualAclEntry(null, Collections.emptyList());
    if (studyAcl == null) {
        return individualAcl;
    }//from  w w  w.  java2  s . c o m

    individualAcl.setMember(studyAcl.getMember());
    EnumSet<StudyAclEntry.StudyPermissions> studyPermissions = studyAcl.getPermissions();
    EnumSet<IndividualAclEntry.IndividualPermissions> individualPermissions = EnumSet
            .noneOf(IndividualAclEntry.IndividualPermissions.class);

    for (StudyAclEntry.StudyPermissions studyPermission : studyPermissions) {
        IndividualAclEntry.IndividualPermissions aux = studyPermission.getIndividualPermission();
        if (aux != null) {
            individualPermissions.add(aux);
        }
    }
    individualAcl.setPermissions(individualPermissions);
    return individualAcl;
}

---

From source file:org.opencb.opencga.catalog.auth.authorization.CatalogAuthorizationManager.java

private JobAclEntry transformStudyAclToJobAcl(StudyAclEntry studyAcl) {
    JobAclEntry jobAcl = new JobAclEntry(null, Collections.emptyList());
    if (studyAcl == null) {
        return jobAcl;
    }//www  .java 2  s  . c o  m

    jobAcl.setMember(studyAcl.getMember());
    EnumSet<StudyAclEntry.StudyPermissions> studyPermissions = studyAcl.getPermissions();
    EnumSet<JobAclEntry.JobPermissions> jobPermissions = EnumSet.noneOf(JobAclEntry.JobPermissions.class);

    for (StudyAclEntry.StudyPermissions studyPermission : studyPermissions) {
        JobAclEntry.JobPermissions aux = studyPermission.getJobPermission();
        if (aux != null) {
            jobPermissions.add(aux);
        }
    }
    jobAcl.setPermissions(jobPermissions);
    return jobAcl;
}

---

From source file:org.opencb.opencga.catalog.auth.authorization.CatalogAuthorizationManager.java

private CohortAclEntry transformStudyAclToCohortAcl(StudyAclEntry studyAcl) {
    CohortAclEntry cohortAcl = new CohortAclEntry(null, Collections.emptyList());
    if (studyAcl == null) {
        return cohortAcl;
    }/*w ww.j  a v  a  2 s.c  o  m*/

    cohortAcl.setMember(studyAcl.getMember());
    EnumSet<StudyAclEntry.StudyPermissions> studyPermissions = studyAcl.getPermissions();
    EnumSet<CohortAclEntry.CohortPermissions> cohortPermissions = EnumSet
            .noneOf(CohortAclEntry.CohortPermissions.class);

    for (StudyAclEntry.StudyPermissions studyPermission : studyPermissions) {
        CohortAclEntry.CohortPermissions aux = studyPermission.getCohortPermission();
        if (aux != null) {
            cohortPermissions.add(aux);
        }
    }
    cohortAcl.setPermissions(cohortPermissions);
    return cohortAcl;
}

---

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