com.microsoft.azure.storage

Class OperationContext

java.lang.Object

com.microsoft.azure.storage.OperationContext

public final class OperationContext
extends Object

Represents the current logical operation. A logical operation may have a one-to-many relationship with multiple individual physical requests.

Field Summary

Fields

Modifier and Type	Field and Description
static String	defaultLoggerName Name of the Logger that will be created by default if logging is enabled and a Logger has not been specified.

Constructor Summary

Constructors

Constructor and Description
OperationContext() Creates an instance of the OperationContext class.

Method Summary

Methods

Modifier and Type	Method and Description
void	appendRequestResult(RequestResult requestResult) Reserved for internal use.
String	getClientRequestID() Gets the client side trace ID.
long	getClientTimeInMs() Gets the operation latency, in milliseconds, from the client's perspective.
static StorageEventMultiCaster<RequestCompletedEvent,StorageEvent<RequestCompletedEvent>>	getGlobalRequestCompletedEventHandler() Gets a global event multi-caster that is triggered when a request is completed.
static StorageEventMultiCaster<ResponseReceivedEvent,StorageEvent<ResponseReceivedEvent>>	getGlobalResponseReceivedEventHandler() Gets a global event multi-caster that is triggered when a response is received.
static StorageEventMultiCaster<RetryingEvent,StorageEvent<RetryingEvent>>	getGlobalRetryingEventHandler() Gets a global event multi-caster that is triggered when a request is retried.
static StorageEventMultiCaster<SendingRequestEvent,StorageEvent<SendingRequestEvent>>	getGlobalSendingRequestEventHandler() Gets a global event multi-caster that is triggered before sending a request.
RequestResult	getLastResult() Gets the last request result encountered for the operation.
org.slf4j.Logger	getLogger() Gets the Logger associated with this operation.
StorageEventMultiCaster<RequestCompletedEvent,StorageEvent<RequestCompletedEvent>>	getRequestCompletedEventHandler() Gets an event multi-caster that is triggered when a request is completed.
ArrayList<RequestResult>	getRequestResults() Returns the set of request results that the current operation has created.
StorageEventMultiCaster<ResponseReceivedEvent,StorageEvent<ResponseReceivedEvent>>	getResponseReceivedEventHandler() Gets an event multi-caster that is triggered when a response is received.
StorageEventMultiCaster<RetryingEvent,StorageEvent<RetryingEvent>>	getRetryingEventHandler() Gets an event multi-caster that is triggered when a request is retried.
StorageEventMultiCaster<SendingRequestEvent,StorageEvent<SendingRequestEvent>>	getSendingRequestEventHandler() Gets an event multi-caster that is triggered before sending a request.
HashMap<String,String>	getUserHeaders() Gets any additional headers for the request, for example, for proxy or logging information.
void	initialize() Reserved for internal use.
boolean	isLoggingEnabled() Indicates whether log entries will be produced for this request.
static boolean	isLoggingEnabledByDefault() Indicates whether the client library should produce log entries by default.
void	setClientRequestID(String clientRequestID) Sets the client side request ID.
void	setClientTimeInMs(long clientTimeInMs) Reserved for internal use.
static void	setGlobalRequestCompletedEventHandler(StorageEventMultiCaster<RequestCompletedEvent,StorageEvent<RequestCompletedEvent>> globalRequestCompletedEventHandler) Sets a global event multi-caster that is triggered when a request is completed.
static void	setGlobalResponseReceivedEventHandler(StorageEventMultiCaster<ResponseReceivedEvent,StorageEvent<ResponseReceivedEvent>> globalResponseReceivedEventHandler) Sets a global event multi-caster that is triggered when a response is received.
static void	setGlobalRetryingEventHandler(StorageEventMultiCaster<RetryingEvent,StorageEvent<RetryingEvent>> globalRetryingEventHandler) Sets a global event multi-caster that is triggered when a request is retried.
static void	setGlobalSendingRequestEventHandler(StorageEventMultiCaster<SendingRequestEvent,StorageEvent<SendingRequestEvent>> globalSendingRequestEventHandler) Sets a global event multi-caster that is triggered before sending a request.
void	setLogger(org.slf4j.Logger logger) Sets the Logger for this operation.
void	setLoggingEnabled(boolean loggingEnabled) Specifies whether log entries will be produced for this request.
static void	setLoggingEnabledByDefault(boolean enableLoggingByDefault) Specifies whether the client library should produce log entries by default.
void	setRequestCompletedEventHandler(StorageEventMultiCaster<RequestCompletedEvent,StorageEvent<RequestCompletedEvent>> requestCompletedEventHandler) Sets an event multi-caster that is triggered when a request is completed.
void	setResponseReceivedEventHandler(StorageEventMultiCaster<ResponseReceivedEvent,StorageEvent<ResponseReceivedEvent>> responseReceivedEventHandler) Sets an event multi-caster that is triggered when a response is received.
void	setRetryingEventHandler(StorageEventMultiCaster<RetryingEvent,StorageEvent<RetryingEvent>> retryingEventHandler) Sets an event multi-caster that is triggered when a request is retried.
void	setSendingRequestEventHandler(StorageEventMultiCaster<SendingRequestEvent,StorageEvent<SendingRequestEvent>> sendingRequestEventHandler) Sets an event multi-caster that is triggered before sending a request.
void	setUserHeaders(HashMap<String,String> userHeaders) Sets any additional headers for the request, for example, for proxy or logging information.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

defaultLoggerName

public static final String defaultLoggerName

Name of the Logger that will be created by default if logging is enabled and a Logger has not been specified.

See Also:

Constant Field Values

Constructor Detail

OperationContext

public OperationContext()

Creates an instance of the OperationContext class.

Method Detail

getClientRequestID

public String getClientRequestID()

Gets the client side trace ID.

Returns:

A String which represents the client request ID.

getClientTimeInMs

public long getClientTimeInMs()

Gets the operation latency, in milliseconds, from the client's perspective. This may include any potential retries.

Returns:

A long which contains the client latency time in milliseconds.

getLastResult

public RequestResult getLastResult()

Gets the last request result encountered for the operation.

Returns:

A RequestResult object which represents the last request result.

getLogger

public org.slf4j.Logger getLogger()

Gets the Logger associated with this operation. If the Logger object associated with this operation is null, this will return the class's default Logger object.

Returns:

The Logger object associated with this operation, or the class's default Logger if null.

getUserHeaders

public HashMap<String,String> getUserHeaders()

Gets any additional headers for the request, for example, for proxy or logging information.

Returns:

A java.util.HashMap which contains the the user headers for the request.

getRequestResults

public ArrayList<RequestResult> getRequestResults()

Returns the set of request results that the current operation has created.

Returns:

An ArrayList object that contains RequestResult objects that represent the request results created by the current operation.

appendRequestResult

public void appendRequestResult(RequestResult requestResult)

Reserved for internal use. Appends a RequestResult object to the internal collection in a synchronized manner.

Parameters:

requestResult - A RequestResult to append.

getGlobalSendingRequestEventHandler

public static StorageEventMultiCaster<SendingRequestEvent,StorageEvent<SendingRequestEvent>> getGlobalSendingRequestEventHandler()

Gets a global event multi-caster that is triggered before sending a request. It allows event listeners to be dynamically added and removed.

Returns:

A StorageEventMultiCaster object for the globalSendingRequestEventHandler.

getGlobalResponseReceivedEventHandler

public static StorageEventMultiCaster<ResponseReceivedEvent,StorageEvent<ResponseReceivedEvent>> getGlobalResponseReceivedEventHandler()

Gets a global event multi-caster that is triggered when a response is received. It allows event listeners to be dynamically added and removed.

Returns:

A StorageEventMultiCaster object for the globalResponseReceivedEventHandler.

getGlobalRequestCompletedEventHandler

public static StorageEventMultiCaster<RequestCompletedEvent,StorageEvent<RequestCompletedEvent>> getGlobalRequestCompletedEventHandler()

Gets a global event multi-caster that is triggered when a request is completed. It allows event listeners to be dynamically added and removed.

Returns:

A StorageEventMultiCaster object for the globalRequestCompletedEventHandler.

getGlobalRetryingEventHandler

public static StorageEventMultiCaster<RetryingEvent,StorageEvent<RetryingEvent>> getGlobalRetryingEventHandler()

Gets a global event multi-caster that is triggered when a request is retried. It allows event listeners to be dynamically added and removed.

Returns:

A StorageEventMultiCaster object for the globalRetryingEventHandler.

getSendingRequestEventHandler

public StorageEventMultiCaster<SendingRequestEvent,StorageEvent<SendingRequestEvent>> getSendingRequestEventHandler()

Gets an event multi-caster that is triggered before sending a request. It allows event listeners to be dynamically added and removed.

Returns:

A StorageEventMultiCaster object for the sendingRequestEventHandler.

getResponseReceivedEventHandler

public StorageEventMultiCaster<ResponseReceivedEvent,StorageEvent<ResponseReceivedEvent>> getResponseReceivedEventHandler()

Gets an event multi-caster that is triggered when a response is received. It allows event listeners to be dynamically added and removed.

Returns:

A StorageEventMultiCaster object for the responseReceivedEventHandler.

getRequestCompletedEventHandler

public StorageEventMultiCaster<RequestCompletedEvent,StorageEvent<RequestCompletedEvent>> getRequestCompletedEventHandler()

Gets an event multi-caster that is triggered when a request is completed. It allows event listeners to be dynamically added and removed.

Returns:

A StorageEventMultiCaster object for the requestCompletedEventHandler.

getRetryingEventHandler

public StorageEventMultiCaster<RetryingEvent,StorageEvent<RetryingEvent>> getRetryingEventHandler()

Gets an event multi-caster that is triggered when a request is retried. It allows event listeners to be dynamically added and removed.

Returns:

A StorageEventMultiCaster object for the retryingEventHandler.

initialize

public void initialize()

Reserved for internal use. Initializes the OperationContext in order to begin processing a new operation. All operation specific information is erased.

isLoggingEnabled

public boolean isLoggingEnabled()

Indicates whether log entries will be produced for this request.

Returns:

true if logging is enabled; otherwise false.

setClientRequestID

public void setClientRequestID(String clientRequestID)

Sets the client side request ID.

Parameters:

clientRequestID - A String which contains the client request ID to set.

setClientTimeInMs

public void setClientTimeInMs(long clientTimeInMs)

Reserved for internal use. Represents the operation latency, in milliseconds, from the client's perspective. This may include any potential retries.

Parameters:

clientTimeInMs - A long which contains the client operation latency in milliseconds.

setLogger

public void setLogger(org.slf4j.Logger logger)

Sets the Logger for this operation.

Parameters:

logger - The Logger to use for this operation.

setUserHeaders

public void setUserHeaders(HashMap<String,String> userHeaders)

Sets any additional headers for the request, for example, for proxy or logging information.

Parameters:

userHeaders - A java.util.HashMap which contains any additional headers to set.

setLoggingEnabled

public void setLoggingEnabled(boolean loggingEnabled)

Specifies whether log entries will be produced for this request.

Parameters:

loggingEnabled - true to enable logging; otherwise false to disable logging.

setGlobalSendingRequestEventHandler

public static void setGlobalSendingRequestEventHandler(StorageEventMultiCaster<SendingRequestEvent,StorageEvent<SendingRequestEvent>> globalSendingRequestEventHandler)

Sets a global event multi-caster that is triggered before sending a request.

Parameters:

globalSendingRequestEventHandler - The StorageEventMultiCaster object to set for the globalSendingRequestEventHandler.

setGlobalResponseReceivedEventHandler

public static void setGlobalResponseReceivedEventHandler(StorageEventMultiCaster<ResponseReceivedEvent,StorageEvent<ResponseReceivedEvent>> globalResponseReceivedEventHandler)

Sets a global event multi-caster that is triggered when a response is received.

Parameters:

globalResponseReceivedEventHandler - The StorageEventMultiCaster object to set for the globalResponseReceivedEventHandler.

setGlobalRequestCompletedEventHandler

public static void setGlobalRequestCompletedEventHandler(StorageEventMultiCaster<RequestCompletedEvent,StorageEvent<RequestCompletedEvent>> globalRequestCompletedEventHandler)

Sets a global event multi-caster that is triggered when a request is completed.

Parameters:

globalRequestCompletedEventHandler - The StorageEventMultiCaster object to set for the globalRequestCompletedEventHandler.

setGlobalRetryingEventHandler

public static void setGlobalRetryingEventHandler(StorageEventMultiCaster<RetryingEvent,StorageEvent<RetryingEvent>> globalRetryingEventHandler)

Sets a global event multi-caster that is triggered when a request is retried.

Parameters:

globalRetryingEventHandler - The StorageEventMultiCaster object to set for the globalRetryingEventHandler.

setSendingRequestEventHandler

public void setSendingRequestEventHandler(StorageEventMultiCaster<SendingRequestEvent,StorageEvent<SendingRequestEvent>> sendingRequestEventHandler)

Sets an event multi-caster that is triggered before sending a request.

Parameters:

sendingRequestEventHandler - The StorageEventMultiCaster object to set for the sendingRequestEventHandler.

setResponseReceivedEventHandler

public void setResponseReceivedEventHandler(StorageEventMultiCaster<ResponseReceivedEvent,StorageEvent<ResponseReceivedEvent>> responseReceivedEventHandler)

Sets an event multi-caster that is triggered when a response is received.

Parameters:

responseReceivedEventHandler - The StorageEventMultiCaster object to set for the responseReceivedEventHandler.

setRequestCompletedEventHandler

public void setRequestCompletedEventHandler(StorageEventMultiCaster<RequestCompletedEvent,StorageEvent<RequestCompletedEvent>> requestCompletedEventHandler)

Sets an event multi-caster that is triggered when a request is completed.

Parameters:

requestCompletedEventHandler - The StorageEventMultiCaster object to set for the requestCompletedEventHandler.

setRetryingEventHandler

public void setRetryingEventHandler(StorageEventMultiCaster<RetryingEvent,StorageEvent<RetryingEvent>> retryingEventHandler)

Sets an event multi-caster that is triggered when a request is retried.

Parameters:

retryingEventHandler - The StorageEventMultiCaster object to set for the retryingEventHandler.

isLoggingEnabledByDefault

public static boolean isLoggingEnabledByDefault()

Indicates whether the client library should produce log entries by default. The default can be overridden to enable logging for an individual operation context instance by using setLoggingEnabled(boolean).

Returns:

true if logging is enabled by default; otherwise false.

setLoggingEnabledByDefault

public static void setLoggingEnabledByDefault(boolean enableLoggingByDefault)

Specifies whether the client library should produce log entries by default. The default can be overridden to turn on logging for an individual operation context instance by using setLoggingEnabled(boolean).

Parameters:

enableLoggingByDefault - true if logging should be enabled by default; otherwise false if logging should be disabled by default.