QueueServiceClient Class

Package:

com.azure.storage.queue

Maven Artifact:

com.azure:azure-storage-queue:12.23.0

• java.lang.Object
• • com.azure.storage.queue.QueueServiceClient

public final class QueueServiceClient

This class provides a client that contains all the operations for interacting with a queue account in Azure Storage. Operations allowed by the client are creating, listing, and deleting queues, retrieving and updating properties of the account, and retrieving statistics of the account.

Instantiating an Synchronous Queue Service Client

QueueServiceClient client = new QueueServiceClientBuilder()
     .connectionString("connectionstring")
     .endpoint("endpoint")
     .buildClient();

View QueueServiceClientBuilder for additional ways to construct the client.

Method Summary

Modifier and Type	Method and Description
QueueClient	createQueue(String queueName) Creates a queue in the storage account with the specified name and returns a QueueClient to interact with it.
Response<QueueClient>	createQueueWithResponse(String queueName, Map<String,String> metadata, Duration timeout, Context context) Creates a queue in the storage account with the specified name and metadata and returns a QueueClient to interact with it.
void	deleteQueue(String queueName) Deletes a queue in the storage account
Response<Void>	deleteQueueWithResponse(String queueName, Duration timeout, Context context) Deletes a queue in the storage account
String	generateAccountSas(AccountSasSignatureValues accountSasSignatureValues) Generates an account SAS for the Azure Storage account using the specified AccountSasSignatureValues.
String	generateAccountSas(AccountSasSignatureValues accountSasSignatureValues, Context context) Generates an account SAS for the Azure Storage account using the specified AccountSasSignatureValues.
String	generateAccountSas(AccountSasSignatureValues accountSasSignatureValues, Consumer<String> stringToSignHandler, Context context) Generates an account SAS for the Azure Storage account using the specified AccountSasSignatureValues.
String	getAccountName() Get associated account name.
HttpPipeline	getHttpPipeline() Gets the HttpPipeline powering this client.
QueueMessageEncoding	getMessageEncoding() Gets the message encoding the client is using.
QueueServiceProperties	getProperties() Retrieves the properties of the storage account's Queue service.
Response<QueueServiceProperties>	getPropertiesWithResponse(Duration timeout, Context context) Retrieves the properties of the storage account's Queue service.
QueueClient	getQueueClient(String queueName) Constructs a QueueClient that interacts with the specified queue.
String	getQueueServiceUrl() Get the url of the storage queue.
QueueServiceVersion	getServiceVersion() Gets the service version the client is using.
QueueServiceStatistics	getStatistics() Retrieves the geo replication information about the Queue service.
Response<QueueServiceStatistics>	getStatisticsWithResponse(Duration timeout, Context context) Retrieves the geo replication information about the Queue service.
PagedIterable<QueueItem>	listQueues() Lists all queues in the storage account without their metadata.
PagedIterable<QueueItem>	listQueues(QueuesSegmentOptions options, Duration timeout, Context context) Lists the queues in the storage account that pass the filter.
void	setProperties(QueueServiceProperties properties) Sets the properties for the storage account's Queue service.
Response<Void>	setPropertiesWithResponse(QueueServiceProperties properties, Duration timeout, Context context) Sets the properties for the storage account's Queue service.

Methods inherited from java.lang.Object

clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Method Details

createQueue

public QueueClient createQueue(String queueName)

Creates a queue in the storage account with the specified name and returns a QueueClient to interact with it.

Code Samples

Create the queue "test"

client.createQueue("myqueue");
 System.out.println("Complete creating queue.");

Parameters:

queueName - Name of the queue

Returns:

A response containing the QueueClient and the status of creating the queue

createQueueWithResponse

public Response createQueueWithResponse(String queueName, Map metadata, Duration timeout, Context context)

Creates a queue in the storage account with the specified name and metadata and returns a QueueClient to interact with it.

Code Samples

Create the queue "test" with metadata "queue:metadata"

Response<QueueClient> response = client.createQueueWithResponse("myqueue",
     Collections.singletonMap("queue", "metadata"), Duration.ofSeconds(1), new Context(key1, value1));
 System.out.println("Complete creating queue with status code: " + response.getStatusCode());

Parameters:

queueName - Name of the queue

metadata - Metadata to associate with the queue. If there is leading or trailing whitespace in any metadata key or value, it must be removed or encoded.

timeout - An optional timeout applied to the operation. If a response is not returned before the timeout concludes a RuntimeException will be thrown.

context - Additional context that is passed through the Http pipeline during the service call.

Returns:

A response containing the QueueClient and the status of creating the queue

deleteQueue

public void deleteQueue(String queueName)

Deletes a queue in the storage account

Code Samples

Delete the queue "test"

client.deleteQueue("myqueue");
 System.out.println("Complete deleting the queue.");

Parameters:

queueName - Name of the queue

deleteQueueWithResponse

public Response deleteQueueWithResponse(String queueName, Duration timeout, Context context)

Deletes a queue in the storage account

Code Samples

Delete the queue "test"

Response<Void> response = client.deleteQueueWithResponse("myqueue", Duration.ofSeconds(1),
     new Context(key1, value1));
 System.out.println("Complete deleting the queue with status code: " + response.getStatusCode());

Parameters:

queueName - Name of the queue

timeout - An optional timeout applied to the operation. If a response is not returned before the timeout concludes a RuntimeException will be thrown.

context - Additional context that is passed through the Http pipeline during the service call.

Returns:

A response containing the status of deleting the queue

generateAccountSas

public String generateAccountSas(AccountSasSignatureValues accountSasSignatureValues)

Generates an account SAS for the Azure Storage account using the specified AccountSasSignatureValues.

Note : The client must be authenticated via StorageSharedKeyCredential

See AccountSasSignatureValues for more information on how to construct an account SAS.

Generating an account SAS

The snippet below generates an AccountSasSignatureValues object that lasts for two days and gives the user read and list access to queue and file shares.

AccountSasPermission permissions = new AccountSasPermission()
     .setListPermission(true)
     .setReadPermission(true);
 AccountSasResourceType resourceTypes = new AccountSasResourceType().setContainer(true).setObject(true);
 AccountSasService services = new AccountSasService().setQueueAccess(true).setFileAccess(true);
 OffsetDateTime expiryTime = OffsetDateTime.now().plus(Duration.ofDays(2));

 AccountSasSignatureValues sasValues =
     new AccountSasSignatureValues(expiryTime, permissions, services, resourceTypes);

 // Client must be authenticated via StorageSharedKeyCredential
 String sas = queueServiceClient.generateAccountSas(sasValues);

Parameters:

accountSasSignatureValues - AccountSasSignatureValues

Returns:

A String representing the SAS query parameters.

generateAccountSas

public String generateAccountSas(AccountSasSignatureValues accountSasSignatureValues, Context context)

Generates an account SAS for the Azure Storage account using the specified AccountSasSignatureValues.

Note : The client must be authenticated via StorageSharedKeyCredential

See AccountSasSignatureValues for more information on how to construct an account SAS.

Generating an account SAS

The snippet below generates an AccountSasSignatureValues object that lasts for two days and gives the user read and list access to queue and file shares.

AccountSasPermission permissions = new AccountSasPermission()
     .setListPermission(true)
     .setReadPermission(true);
 AccountSasResourceType resourceTypes = new AccountSasResourceType().setContainer(true).setObject(true);
 AccountSasService services = new AccountSasService().setQueueAccess(true).setFileAccess(true);
 OffsetDateTime expiryTime = OffsetDateTime.now().plus(Duration.ofDays(2));

 AccountSasSignatureValues sasValues =
     new AccountSasSignatureValues(expiryTime, permissions, services, resourceTypes);

 // Client must be authenticated via StorageSharedKeyCredential
 String sas = queueServiceClient.generateAccountSas(sasValues, new Context("key", "value"));

Parameters:

accountSasSignatureValues - AccountSasSignatureValues

context - Additional context that is passed through the code when generating a SAS.

Returns:

A String representing the SAS query parameters.

generateAccountSas

public String generateAccountSas(AccountSasSignatureValues accountSasSignatureValues, Consumer stringToSignHandler, Context context)

Generates an account SAS for the Azure Storage account using the specified AccountSasSignatureValues.

Note : The client must be authenticated via StorageSharedKeyCredential

See AccountSasSignatureValues for more information on how to construct an account SAS.

Parameters:

accountSasSignatureValues - AccountSasSignatureValues

stringToSignHandler - For debugging purposes only. Returns the string to sign that was used to generate the signature.

context - Additional context that is passed through the code when generating a SAS.

Returns:

A String representing the SAS query parameters.

getAccountName

public String getAccountName()

Get associated account name.

Returns:

account name associated with this storage resource.

getHttpPipeline

public HttpPipeline getHttpPipeline()

Gets the HttpPipeline powering this client.

Returns:

The pipeline.

getMessageEncoding

public QueueMessageEncoding getMessageEncoding()

Gets the message encoding the client is using.

Returns:

the message encoding the client is using.

getProperties

public QueueServiceProperties getProperties()

Retrieves the properties of the storage account's Queue service. The properties range from storage analytics and metric to CORS (Cross-Origin Resource Sharing).

Code Samples

Retrieve Queue service properties

QueueServiceProperties properties = client.getProperties();
 System.out.printf("Hour metrics enabled: %b, Minute metrics enabled: %b",
     properties.getHourMetrics().isEnabled(), properties.getMinuteMetrics().isEnabled());

For more information, see the Azure Docs.

Returns:

Storage account Queue service properties

getPropertiesWithResponse

public Response getPropertiesWithResponse(Duration timeout, Context context)

Retrieves the properties of the storage account's Queue service. The properties range from storage analytics and metric to CORS (Cross-Origin Resource Sharing).

Code Samples

Retrieve Queue service properties

QueueServiceProperties properties = client.getPropertiesWithResponse(Duration.ofSeconds(1),
     new Context(key1, value1)).getValue();
 System.out.printf("Hour metrics enabled: %b, Minute metrics enabled: %b",
     properties.getHourMetrics().isEnabled(), properties.getMinuteMetrics().isEnabled());

For more information, see the Azure Docs.

Parameters:

timeout - An optional timeout applied to the operation. If a response is not returned before the timeout concludes a RuntimeException will be thrown.

context - Additional context that is passed through the Http pipeline during the service call.

Returns:

A response containing the Storage account Queue service properties

getQueueClient

public QueueClient getQueueClient(String queueName)

Constructs a QueueClient that interacts with the specified queue. This will not create the queue in the storage account if it doesn't exist.

Parameters:

queueName - Name of the queue

Returns:

QueueClient that interacts with the specified queue

getQueueServiceUrl

public String getQueueServiceUrl()

Get the url of the storage queue.

Returns:

the URL of the storage queue

getServiceVersion

public QueueServiceVersion getServiceVersion()

Gets the service version the client is using.

Returns:

the service version the client is using.

getStatistics

public QueueServiceStatistics getStatistics()

Retrieves the geo replication information about the Queue service.

Code Samples

Retrieve the geo replication information

QueueServiceStatistics stats = client.getStatistics();
 System.out.printf("Geo replication status: %s, Last synced: %s",
     stats.getGeoReplication().getStatus(), stats.getGeoReplication().getLastSyncTime());

For more information, see the Azure Docs.

Returns:

The geo replication information about the Queue service

getStatisticsWithResponse

public Response getStatisticsWithResponse(Duration timeout, Context context)

Retrieves the geo replication information about the Queue service.

Code Samples

Retrieve the geo replication information

QueueServiceStatistics stats = client.getStatisticsWithResponse(Duration.ofSeconds(1),
     new Context(key1, value1)).getValue();
 System.out.printf("Geo replication status: %s, Last synced: %s",
     stats.getGeoReplication().getStatus(), stats.getGeoReplication().getLastSyncTime());

For more information, see the Azure Docs.

Parameters:

timeout - An optional timeout applied to the operation. If a response is not returned before the timeout concludes a RuntimeException will be thrown.

context - Additional context that is passed through the Http pipeline during the service call.

Returns:

A response containing the geo replication information about the Queue service

listQueues

public PagedIterable listQueues()

Lists all queues in the storage account without their metadata.

Code Samples

List all queues in the account

client.listQueues().forEach(
     queueItem -> System.out.printf("Queue %s exists in the account", queueItem.getName())
 );

For more information, see the Azure Docs.

Returns:

QueueItem in the storage account

listQueues

public PagedIterable listQueues(QueuesSegmentOptions options, Duration timeout, Context context)

Lists the queues in the storage account that pass the filter. Pass true to setIncludeMetadata(boolean includeMetadata) to have metadata returned for the queues.

Code Samples

List all queues that begin with "azure"

client.listQueues(new QueuesSegmentOptions().setPrefix("azure"), Duration.ofSeconds(1),
     new Context(key1, value1)).forEach(
         queueItem -> System.out.printf("Queue %s exists in the account and has metadata %s",
         queueItem.getName(), queueItem.getMetadata())
 );

For more information, see the Azure Docs.

Parameters:

options - Options for listing queues. If iterating by page, the page size passed to byPage methods such as * PagedIterable#iterableByPage(int) will be preferred over the value set on these options.

timeout - An optional timeout applied to the operation. If a response is not returned before the timeout concludes a RuntimeException will be thrown.

context - Additional context that is passed through the Http pipeline during the service call.

Returns:

QueueItem in the storage account that satisfy the filter requirements

setProperties

public void setProperties(QueueServiceProperties properties)

Sets the properties for the storage account's Queue service. The properties range from storage analytics and metric to CORS (Cross-Origin Resource Sharing). To maintain the CORS in the Queue service pass a null value for getCors(). To disable all CORS in the Queue service pass an empty list for getCors().

Code Sample

Clear CORS in the Queue service

QueueServiceProperties properties = client.getProperties();
 properties.setCors(Collections.emptyList());

 client.setProperties(properties);
 System.out.println("Setting Queue service properties completed.");

Enable Minute and Hour Metrics

QueueServiceProperties properties = client.getProperties();
 properties.getMinuteMetrics().setEnabled(true);
 properties.getMinuteMetrics().setIncludeApis(true);
 properties.getMinuteMetrics().setRetentionPolicy(new QueueRetentionPolicy().setDays(7).setEnabled(true));
 properties.getHourMetrics().setEnabled(true);
 properties.getHourMetrics().setIncludeApis(true);
 properties.getHourMetrics().setRetentionPolicy(new QueueRetentionPolicy().setDays(7).setEnabled(true));
 client.setProperties(properties);
 System.out.println("Setting Queue service properties completed.");

For more information, see the Azure Docs.

Parameters:

properties - Storage account Queue service properties

setPropertiesWithResponse

public Response setPropertiesWithResponse(QueueServiceProperties properties, Duration timeout, Context context)

Sets the properties for the storage account's Queue service. The properties range from storage analytics and metric to CORS (Cross-Origin Resource Sharing). To maintain the CORS in the Queue service pass a null value for getCors(). To disable all CORS in the Queue service pass an empty list for getCors().

Code Sample

Clear CORS in the Queue service

QueueServiceProperties properties = client.getProperties();
 properties.setCors(Collections.emptyList());
 Response<Void> response = client.setPropertiesWithResponse(properties, Duration.ofSeconds(1),
     new Context(key1, value1));
 System.out.printf("Setting Queue service properties completed with status code %d", response.getStatusCode());

Enable Minute and Hour Metrics

QueueServiceProperties properties = client.getProperties();
 properties.getMinuteMetrics().setEnabled(true);
 properties.getMinuteMetrics().setIncludeApis(true);
 properties.getMinuteMetrics().setRetentionPolicy(new QueueRetentionPolicy().setDays(7).setEnabled(true));
 properties.getHourMetrics().setEnabled(true);
 properties.getHourMetrics().setIncludeApis(true);
 properties.getHourMetrics().setRetentionPolicy(new QueueRetentionPolicy().setDays(7).setEnabled(true));
 Response<Void> response = client.setPropertiesWithResponse(properties, Duration.ofSeconds(1),
     new Context(key1, value1));
 System.out.printf("Setting Queue service properties completed with status code %d", response.getStatusCode());

For more information, see the Azure Docs.

Parameters:

properties - Storage account Queue service properties

timeout - An optional timeout applied to the operation. If a response is not returned before the timeout concludes a RuntimeException will be thrown.

context - Additional context that is passed through the Http pipeline during the service call.

Returns:

A response that only contains headers and response status code