本文整理汇总了Java中com.microsoft.azure.storage.blob.CloudPageBlob类的典型用法代码示例。如果您正苦于以下问题:Java CloudPageBlob类的具体用法?Java CloudPageBlob怎么用?Java CloudPageBlob使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
CloudPageBlob类属于com.microsoft.azure.storage.blob包,在下文中一共展示了CloudPageBlob类的12个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: getSnapshotFileKeys
import com.microsoft.azure.storage.blob.CloudPageBlob; //导入依赖的package包/类
private Map<String, Long> getSnapshotFileKeys(CloudBlobContainer container, String keyPrefix) {
Map<String, Long> snapshotFiles = new HashMap<>();
try {
for (ListBlobItem item : container.listBlobs(keyPrefix, true)) {
if (item instanceof CloudPageBlob) {
CloudPageBlob cloudBlob = (CloudPageBlob) item;
snapshotFiles.put(cloudBlob.getName(), getOriginalFileSize(cloudBlob));
}
}
} catch (StorageException e) {
logger.error("Unable to retrieve metadata.", e);
// all or none
snapshotFiles = new HashMap<>();
}
return snapshotFiles;
}
示例2: testCopyPageBlobSas
import com.microsoft.azure.storage.blob.CloudPageBlob; //导入依赖的package包/类
@Test
@Category(SlowTests.class)
public void testCopyPageBlobSas() throws Exception {
// Create source on server.
final CloudBlobContainer container = BlobTestHelper.getRandomContainerReference();
try {
container.create();
final CloudPageBlob source = container.getPageBlobReference("source");
source.getMetadata().put("Test", "value");
final int length = 512;
final ByteArrayInputStream data = BlobTestHelper.getRandomDataStream(length);
source.upload(data, length);
final CloudFile destination = doCloudBlobCopy(source, length);
final ByteArrayOutputStream copyData = new ByteArrayOutputStream();
destination.download(copyData);
BlobTestHelper.assertStreamsAreEqual(data, new ByteArrayInputStream(copyData.toByteArray()));
}
finally {
container.deleteIfExists();
}
}
示例3: next
import com.microsoft.azure.storage.blob.CloudPageBlob; //导入依赖的package包/类
@Override
public ListBlobItem next() {
ListBlobItem unwrapped = present.next();
if (unwrapped instanceof CloudBlobDirectory) {
return new CloudBlobDirectoryWrapperImpl((CloudBlobDirectory) unwrapped);
} else if (unwrapped instanceof CloudBlockBlob) {
return new CloudBlockBlobWrapperImpl((CloudBlockBlob) unwrapped);
} else if (unwrapped instanceof CloudPageBlob) {
return new CloudPageBlobWrapperImpl((CloudPageBlob) unwrapped);
} else {
return unwrapped;
}
}
示例4: downloadPageRanges
import com.microsoft.azure.storage.blob.CloudPageBlob; //导入依赖的package包/类
public ArrayList<PageRange> downloadPageRanges(BlobRequestOptions options,
OperationContext opContext) throws StorageException {
return ((CloudPageBlob) getBlob()).downloadPageRanges(
null, options, opContext);
}
示例5: getOriginalFileSize
import com.microsoft.azure.storage.blob.CloudPageBlob; //导入依赖的package包/类
private long getOriginalFileSize(CloudPageBlob pageBlobReference) throws StorageException {
long size = 0;
pageBlobReference.downloadAttributes();
HashMap<String, String> map = pageBlobReference.getMetadata();
if (map != null && map.size() > 0) {
try {
size = Long.parseLong(map.get(ORIGINAL_SIZE_KEY));
} catch (Exception e) {
logger.error("File size metadata missing or is not a number.");
}
}
return size;
}
示例6: conditionalExtendFile
import com.microsoft.azure.storage.blob.CloudPageBlob; //导入依赖的package包/类
/**
* Extend the page blob file if we are close to the end.
*/
private void conditionalExtendFile() {
// maximum allowed size of an Azure page blob (1 terabyte)
final long MAX_PAGE_BLOB_SIZE = 1024L * 1024L * 1024L * 1024L;
// If blob is already at the maximum size, then don't try to extend it.
if (currentBlobSize == MAX_PAGE_BLOB_SIZE) {
return;
}
// If we are within the maximum write size of the end of the file,
if (currentBlobSize - currentBlobOffset <= MAX_RAW_BYTES_PER_REQUEST) {
// Extend the file. Retry up to 3 times with back-off.
CloudPageBlob cloudPageBlob = (CloudPageBlob) blob.getBlob();
long newSize = currentBlobSize + configuredPageBlobExtensionSize;
// Make sure we don't exceed maximum blob size.
if (newSize > MAX_PAGE_BLOB_SIZE) {
newSize = MAX_PAGE_BLOB_SIZE;
}
final int MAX_RETRIES = 3;
int retries = 1;
boolean resizeDone = false;
while(!resizeDone && retries <= MAX_RETRIES) {
try {
cloudPageBlob.resize(newSize);
resizeDone = true;
currentBlobSize = newSize;
} catch (StorageException e) {
LOG.warn("Failed to extend size of " + cloudPageBlob.getUri());
try {
// sleep 2, 8, 18 seconds for up to 3 retries
Thread.sleep(2000 * retries * retries);
} catch (InterruptedException e1) {
// Restore the interrupted status
Thread.currentThread().interrupt();
}
} finally {
retries++;
}
}
}
}
示例7: CloudPageBlobWrapperImpl
import com.microsoft.azure.storage.blob.CloudPageBlob; //导入依赖的package包/类
public CloudPageBlobWrapperImpl(CloudPageBlob blob) {
super(blob);
}
示例8: create
import com.microsoft.azure.storage.blob.CloudPageBlob; //导入依赖的package包/类
public void create(final long length, BlobRequestOptions options,
OperationContext opContext) throws StorageException {
((CloudPageBlob) getBlob()).create(length, null, options, opContext);
}
示例9: uploadPages
import com.microsoft.azure.storage.blob.CloudPageBlob; //导入依赖的package包/类
public void uploadPages(final InputStream sourceStream, final long offset,
final long length, BlobRequestOptions options, OperationContext opContext)
throws StorageException, IOException {
((CloudPageBlob) getBlob()).uploadPages(sourceStream, offset, length, null,
options, opContext);
}
示例10: PageBlobOutputStream
import com.microsoft.azure.storage.blob.CloudPageBlob; //导入依赖的package包/类
public PageBlobOutputStream(CloudPageBlob pageBlob, long initialPageSize) throws StorageException {
// to set the size we need to calc but that can't be the first line when we need to construct the super:(
super(pageBlob.openWriteNew(initialPageSize));
this.pageBlob = pageBlob;
resize(initialPageSize);
}
示例11: LeaseBlobManager
import com.microsoft.azure.storage.blob.CloudPageBlob; //导入依赖的package包/类
public LeaseBlobManager(CloudPageBlob leaseBlob) {
this.leaseBlob = leaseBlob;
}
示例12: getBlob
import com.microsoft.azure.storage.blob.CloudPageBlob; //导入依赖的package包/类
public CloudPageBlob getBlob() {
return this.blob;
}