/**
* Reserved for internal use. Perform a merge operation on the specified table, using the
* specified {@link TableRequestOptions} and {@link OperationContext}.
*
* <p>This method will invoke the Merge Entity REST API to execute this table operation, using the
* Table service endpoint and storage account credentials in the {@link CloudTableClient} object.
*
* @param client A {@link CloudTableClient} instance specifying the Table service endpoint,
* storage account credentials, and any additional query parameters.
* @param tableName A <code>String</code> containing the name of the table.
* @param options A {@link TableRequestOptions} object that specifies execution options such as
* retry policy and timeout settings for the operation.
* @param opContext An {@link OperationContext} object for tracking the current operation.
* @return A {@link TableResult} containing the results of executing the operation.
* @throws StorageException if an error occurs in the storage operation.
*/
private TableResult performMerge(
final CloudTableClient client,
final String tableName,
final TableRequestOptions options,
final OperationContext opContext)
throws StorageException {
Utility.assertNotNullOrEmpty("Merge requires a valid ETag", this.getEntity().getEtag());
Utility.assertNotNullOrEmpty(
"Merge requires a valid PartitionKey", this.getEntity().getPartitionKey());
Utility.assertNotNullOrEmpty("Merge requires a valid RowKey", this.getEntity().getRowKey());
final StorageOperation<CloudTableClient, TableOperation, TableResult> impl =
new StorageOperation<CloudTableClient, TableOperation, TableResult>(options) {
@Override
public TableResult execute(
final CloudTableClient client,
final TableOperation operation,
final OperationContext opContext)
throws Exception {
final HttpURLConnection request =
TableRequest.merge(
client.getTransformedEndPoint(opContext),
tableName,
generateRequestIdentity(false, null, false),
operation.getEntity().getEtag(),
options.getTimeoutIntervalInMs(),
null,
options,
opContext);
client.getCredentials().signRequestLite(request, -1L, opContext);
AtomPubParser.writeSingleEntityToStream(
operation.getEntity(), false, request.getOutputStream(), opContext);
this.setResult(ExecutionEngine.processRequest(request, opContext));
if (this.getResult().getStatusCode() == HttpURLConnection.HTTP_NOT_FOUND
|| this.getResult().getStatusCode() == HttpURLConnection.HTTP_CONFLICT) {
throw TableServiceException.generateTableServiceException(
false, this.getResult(), operation, request.getErrorStream());
}
if (this.getResult().getStatusCode() == HttpURLConnection.HTTP_NO_CONTENT) {
return operation.parseResponse(
null,
this.getResult().getStatusCode(),
request.getHeaderField(TableConstants.HeaderConstants.ETAG),
opContext);
} else {
throw TableServiceException.generateTableServiceException(
true, this.getResult(), operation, request.getErrorStream());
}
}
};
return ExecutionEngine.executeWithRetry(
client, this, impl, options.getRetryPolicyFactory(), opContext);
}
/**
* Gets a result segment containing a collection of queues from the storage service with the
* specified parameters.
*
* @param prefix A <code>String</code> containing the queue name prefix to filter the results
* with.
* @param detailsIncluded A {@link QueueListingDetails} value that indicates whether queue
* metadata will be returned.
* @param maxResults The maximum number of queue results to retrieve.
* @param continuationToken A {@link ResultContinuation} object that represents a continuation
* token returned by a previous listing operation.
* @param options A {@link QueueRequestOptions} object that specifies any additional options for
* the request. Specifying <code>null</code> will use the default request options from the
* associated service client ( {@link CloudQueue}).
* @param taskReference A {@link StorageOperation} reference to the encapsulating task.
* @param opContext An {@link OperationContext} object that represents the context for the current
* operation. This object is used to track requests to the storage service, and to provide
* additional runtime information about the operation.
* @return A {@link ResultSegment} of {@link CloudQueue} objects that contains a segment of the
* iterable collection of {@link CloudQueue} objects that represent the requested queues in
* the storage service.
* @throws IOException
* @throws URISyntaxException If the URI is not valid.
* @throws XMLStreamException
* @throws InvalidKeyException
* @throws StorageException If a storage service error occurred during the operation.
*/
@DoesServiceRequest
ResultSegment<CloudQueue> listQueuesCore(
final String prefix,
final QueueListingDetails detailsIncluded,
final int maxResults,
final ResultContinuation continuationToken,
final RequestOptions options,
final StorageOperation<CloudQueueClient, Void, ResultSegment<CloudQueue>> taskReference,
final OperationContext opContext)
throws IOException, URISyntaxException, XMLStreamException, InvalidKeyException,
StorageException {
Utility.assertContinuationType(continuationToken, ResultContinuationType.QUEUE);
final ListingContext listingContext = new ListingContext(prefix, maxResults);
listingContext.setMarker(continuationToken != null ? continuationToken.getNextMarker() : null);
final HttpURLConnection listQueueRequest =
QueueRequest.list(
this.getEndpoint(),
options.getTimeoutIntervalInMs(),
listingContext,
detailsIncluded,
opContext);
this.getCredentials().signRequest(listQueueRequest, -1L);
taskReference.setResult(ExecutionEngine.processRequest(listQueueRequest, opContext));
if (taskReference.getResult().getStatusCode() != HttpURLConnection.HTTP_OK) {
taskReference.setNonExceptionedRetryableFailure(true);
return null;
}
final ListQueuesResponse response = new ListQueuesResponse(listQueueRequest.getInputStream());
response.parseResponse(this);
ResultContinuation newToken = null;
if (response.getNextMarker() != null) {
newToken = new ResultContinuation();
newToken.setNextMarker(response.getNextMarker());
newToken.setContinuationType(ResultContinuationType.QUEUE);
}
final ResultSegment<CloudQueue> resSegment =
new ResultSegment<CloudQueue>(response.getQueues(this), maxResults, newToken);
return resSegment;
}
/**
* Gets a result segment of an iterable collection of queues whose names begin with the specified
* prefix for this queue, using the specified listing details options, request options, and
* operation context.
*
* @param prefix A <code>String</code> that represents the prefix of the queue name to match.
* @param detailsIncluded A {@link QueueListingDetails} value that indicates whether queue
* metadata will be returned.
* @param maxResults The maximum number of queue results to retrieve.
* @param continuationToken A {@link ResultContinuation} object that represents a continuation
* token returned by a previous listing operation.
* @param options A {@link QueueRequestOptions} object that specifies any additional options for
* the request. Specifying <code>null</code> will use the default request options from the
* associated service client ( {@link CloudQueue}).
* @param opContext An {@link OperationContext} object that represents the context for the current
* operation. This object is used to track requests to the storage service, and to provide
* additional runtime information about the operation.
* @return A {@link ResultSegment} of {@link CloudQueue} objects that contains a segment of the
* iterable collection of {@link CloudQueue} objects that represent the requested queues in
* the storage service.
* @throws StorageException If a storage service error occurred during the operation.
*/
@DoesServiceRequest
public ResultSegment<CloudQueue> listQueuesSegmented(
final String prefix,
final QueueListingDetails detailsIncluded,
final int maxResults,
final ResultContinuation continuationToken,
QueueRequestOptions options,
OperationContext opContext)
throws StorageException {
if (opContext == null) {
opContext = new OperationContext();
}
if (options == null) {
options = new QueueRequestOptions();
}
opContext.initialize();
options.applyDefaults(this);
Utility.assertContinuationType(continuationToken, ResultContinuationType.QUEUE);
final StorageOperation<CloudQueueClient, Void, ResultSegment<CloudQueue>> impl =
new StorageOperation<CloudQueueClient, Void, ResultSegment<CloudQueue>>(options) {
@Override
public ResultSegment<CloudQueue> execute(
final CloudQueueClient client, final Void dontCare, final OperationContext opContext)
throws Exception {
return CloudQueueClient.this.listQueuesCore(
prefix,
detailsIncluded,
maxResults,
continuationToken,
this.getRequestOptions(),
this,
opContext);
}
};
return ExecutionEngine.executeWithRetry(
this, null, impl, options.getRetryPolicyFactory(), opContext);
}
/**
* Reserved for internal use. Performs an insert operation on the specified table, using the
* specified {@link TableRequestOptions} and {@link OperationContext}.
*
* <p>This method will invoke the Insert Entity REST API to execute this table operation, using
* the Table service endpoint and storage account credentials in the {@link CloudTableClient}
* object.
*
* @param client A {@link CloudTableClient} instance specifying the Table service endpoint,
* storage account credentials, and any additional query parameters.
* @param tableName A <code>String</code> containing the name of the table.
* @param options A {@link TableRequestOptions} object that specifies execution options such as
* retry policy and timeout settings for the operation.
* @param opContext An {@link OperationContext} object for tracking the current operation.
* @return A {@link TableResult} containing the results of executing the operation.
* @throws StorageException if an error occurs in the storage operation.
*/
private TableResult performInsert(
final CloudTableClient client,
final String tableName,
final TableRequestOptions options,
final OperationContext opContext)
throws StorageException {
final boolean isTableEntry = TableConstants.TABLES_SERVICE_TABLES_NAME.equals(tableName);
final String tableIdentity =
isTableEntry
? this.getEntity()
.writeEntity(opContext)
.get(TableConstants.TABLE_NAME)
.getValueAsString()
: null;
// Upserts need row key and partition key
if (!isTableEntry && this.opType != TableOperationType.INSERT) {
Utility.assertNotNullOrEmpty(
"Upserts require a valid PartitionKey", this.getEntity().getPartitionKey());
Utility.assertNotNullOrEmpty("Upserts require a valid RowKey", this.getEntity().getRowKey());
}
final StorageOperation<CloudTableClient, TableOperation, TableResult> impl =
new StorageOperation<CloudTableClient, TableOperation, TableResult>(options) {
@Override
public TableResult execute(
final CloudTableClient client,
final TableOperation operation,
final OperationContext opContext)
throws Exception {
final HttpURLConnection request =
TableRequest.insert(
client.getTransformedEndPoint(opContext),
tableName,
generateRequestIdentity(isTableEntry, tableIdentity, false),
operation.opType != TableOperationType.INSERT
? operation.getEntity().getEtag()
: null,
operation.opType.getUpdateType(),
options.getTimeoutIntervalInMs(),
null,
options,
opContext);
client.getCredentials().signRequestLite(request, -1L, opContext);
AtomPubParser.writeSingleEntityToStream(
operation.getEntity(), isTableEntry, request.getOutputStream(), opContext);
this.setResult(ExecutionEngine.processRequest(request, opContext));
if (operation.opType == TableOperationType.INSERT) {
if (this.getResult().getStatusCode() == HttpURLConnection.HTTP_CONFLICT) {
throw TableServiceException.generateTableServiceException(
false, this.getResult(), operation, request.getErrorStream());
}
if (this.getResult().getStatusCode() != HttpURLConnection.HTTP_CREATED) {
throw TableServiceException.generateTableServiceException(
true, this.getResult(), operation, request.getErrorStream());
}
InputStream inStream = request.getInputStream();
TableResult res = null;
try {
final XMLStreamReader xmlr = Utility.createXMLStreamReaderFromStream(inStream);
res =
operation.parseResponse(
xmlr, this.getResult().getStatusCode(), null, opContext);
} finally {
inStream.close();
}
return res;
} else {
if (this.getResult().getStatusCode() == HttpURLConnection.HTTP_NO_CONTENT) {
return operation.parseResponse(
null,
this.getResult().getStatusCode(),
request.getHeaderField(TableConstants.HeaderConstants.ETAG),
opContext);
} else {
throw TableServiceException.generateTableServiceException(
true, this.getResult(), operation, request.getErrorStream());
}
}
}
};
return ExecutionEngine.executeWithRetry(
client, this, impl, options.getRetryPolicyFactory(), opContext);
}
/**
* Reserved for internal use. Performs a delete operation on the specified table, using the
* specified {@link TableRequestOptions} and {@link OperationContext}.
*
* <p>This method will invoke the <a
* href="http://msdn.microsoft.com/en-us/library/windowsazure/dd135727.aspx">Delete Entity</a>
* REST API to execute this table operation, using the Table service endpoint and storage account
* credentials in the {@link CloudTableClient} object.
*
* @param client A {@link CloudTableClient} instance specifying the Table service endpoint,
* storage account credentials, and any additional query parameters.
* @param tableName A <code>String</code> containing the name of the table.
* @param options A {@link TableRequestOptions} object that specifies execution options such as
* retry policy and timeout settings for the operation.
* @param opContext An {@link OperationContext} object for tracking the current operation.
* @return A {@link TableResult} containing the results of executing the operation.
* @throws StorageException if an error occurs in the storage operation.
*/
private TableResult performDelete(
final CloudTableClient client,
final String tableName,
final TableRequestOptions options,
final OperationContext opContext)
throws StorageException {
final boolean isTableEntry = TableConstants.TABLES_SERVICE_TABLES_NAME.equals(tableName);
final String tableIdentity =
isTableEntry
? this.getEntity()
.writeEntity(opContext)
.get(TableConstants.TABLE_NAME)
.getValueAsString()
: null;
if (!isTableEntry) {
Utility.assertNotNullOrEmpty("Delete requires a valid ETag", this.getEntity().getEtag());
Utility.assertNotNullOrEmpty(
"Delete requires a valid PartitionKey", this.getEntity().getPartitionKey());
Utility.assertNotNullOrEmpty("Delete requires a valid RowKey", this.getEntity().getRowKey());
}
final StorageOperation<CloudTableClient, TableOperation, TableResult> impl =
new StorageOperation<CloudTableClient, TableOperation, TableResult>(options) {
@Override
public TableResult execute(
final CloudTableClient client,
final TableOperation operation,
final OperationContext opContext)
throws Exception {
final HttpURLConnection request =
TableRequest.delete(
client.getTransformedEndPoint(opContext),
tableName,
generateRequestIdentity(isTableEntry, tableIdentity, false),
operation.getEntity().getEtag(),
options.getTimeoutIntervalInMs(),
null,
options,
opContext);
client.getCredentials().signRequestLite(request, -1L, opContext);
this.setResult(ExecutionEngine.processRequest(request, opContext));
if (this.getResult().getStatusCode() == HttpURLConnection.HTTP_NOT_FOUND
|| this.getResult().getStatusCode() == HttpURLConnection.HTTP_CONFLICT) {
throw TableServiceException.generateTableServiceException(
false, this.getResult(), operation, request.getErrorStream());
}
if (this.getResult().getStatusCode() != HttpURLConnection.HTTP_NO_CONTENT) {
throw TableServiceException.generateTableServiceException(
true, this.getResult(), operation, request.getErrorStream());
}
return operation.parseResponse(null, this.getResult().getStatusCode(), null, opContext);
}
};
return ExecutionEngine.executeWithRetry(
client, this, impl, options.getRetryPolicyFactory(), opContext);
}
