org.apache.qpid.jms.provider.amqp.message

Class AmqpJmsMessageFacade

java.lang.Object

org.apache.qpid.jms.provider.amqp.message.AmqpJmsMessageFacade

All Implemented Interfaces:

JmsMessageFacade, TraceableMessage

Direct Known Subclasses:

AmqpJmsBytesMessageFacade, AmqpJmsMapMessageFacade, AmqpJmsObjectMessageFacade, AmqpJmsStreamMessageFacade, AmqpJmsTextMessageFacade

public class AmqpJmsMessageFacade
extends Object
implements JmsMessageFacade

Field Summary

Fields

Modifier and Type	Field and Description
protected AmqpConnection	connection

Constructor Summary

Constructors

Constructor and Description
AmqpJmsMessageFacade()

Method Summary

Modifier and Type	Method and Description
boolean	applicationPropertyExists(String key)
JmsMessage	asJmsMessage()
void	clearBody() Clears the contents of this Message.
void	clearProperties() Clears any Message properties that exist for this Message instance.
AmqpJmsMessageFacade	copy() Create a new instance and perform a deep copy of this object's contents.
protected void	copyInto(AmqpJmsMessageFacade target)
io.netty.buffer.ByteBuf	encodeMessage() Encodes the protocol level Message instance for transmission.
void	filterTracingAnnotations(BiConsumer<String,Object> filter) Allows the tracing layer to filter out tracing related details from the full set of message annotations that a message might be carrying.
long	getAmqpTimeToLiveOverride()
Object	getApplicationProperty(String key)
Set<String>	getApplicationPropertyNames(Set<String> propertyNames)
org.apache.qpid.proton.amqp.Symbol	getContentType() The annotation value for the JMS Message content type.
String	getCorrelationId() Returns the correlation ID set on this message if one exists, null otherwise.
byte[]	getCorrelationIdBytes() Gets the set correlation ID of the message in raw bytes form.
int	getDeliveryCount() Returns the current delivery count of the Message as set in the underlying message instance.
long	getDeliveryTime() Returns the set delivery time for this message.
JmsDestination	getDestination() Gets the Destination value that was assigned to this message at the time it was sent.
long	getExpiration() Returns the set expiration time for this message.
String	getGroupId() Gets the Group ID that this message is assigned to.
int	getGroupSequence() Gets the assigned group sequence of this message.
byte	getJmsMsgType()
String	getMessageId() Returns the message ID set on this message if one exists, null otherwise.
int	getPriority() Returns the assigned priority value of this message in JMS ranged scoping.
Object	getProperty(String key) Returns the property stored in the message accessed via the given key/
Set<String>	getPropertyNames() Returns a set of all the property names that have been set in this message.
Object	getProviderMessageIdObject() Returns the underlying providers message ID object for this message if one exists, null otherwise.
int	getRedeliveryCount() Returns the current redelivery count of the Message as set in the underlying message instance.
JmsDestination	getReplyTo() Gets the Destination where replies for this Message are to be sent to.
String	getReplyToGroupId()
long	getTimestamp() Gets the time stamp assigned to the message when it was sent.
Object	getTracingAnnotation(String key) Gets some trace specific message annotation that was previously applied to the given message either locally or by a remote peer.
Object	getTracingContext(String key) Gets some trace related context from the message for use by the tracing implementation.
String	getType() Returns the JMSType value as defined by the provider or set by the sending client.
String	getUserId() Returns the ID of the user that sent this message if available.
byte[]	getUserIdBytes() Gets the set user ID of the message in raw bytes form.
boolean	hasAmqpTimeToLiveOverride()
boolean	hasBody() Returns true if the underlying message has a body, false if the body is empty.
void	initialize(AmqpConnection connection) Initialize the state of this message for send.
void	initialize(AmqpConsumer consumer) Initialize the state of this message for receive.
protected void	initializeEmptyBody() Used to indicate that a Message object should empty the body element and make any other internal updates to reflect the message now has no body value.
boolean	isDeliveryTimeTransmitted() Returns whether the delivery time is being transmitted, i.e.
boolean	isPersistent()
boolean	isRedelivered() Used to quickly check if a message has been redelivered.
void	onDispatch() Called before a message is dispatched to its intended consumer to allow for any necessary processing of message data such as setting read-only state etc.
void	onSend(long producerTtl) Called before a message is sent to allow a Message instance to move the contents from a logical data structure to a binary form for transmission, or other processing such as setting proper message headers etc.
boolean	propertyExists(String key)
Object	removeTracingAnnotation(String key) Remove some trace specific message annotation that was previously applied to the given message either locally or by a remote peer.
Object	removeTracingContext(String key) Removes some trace related context from the message.
void	setAmqpTimeToLiveOverride(Long ttl) Sets a value which will be used to override any ttl value that may otherwise be set based on the expiration value when sending the underlying AMQP message.
void	setApplicationProperty(String key, Object value)
void	setContentType(org.apache.qpid.proton.amqp.Symbol value)
void	setCorrelationId(String correlationId) Sets the correlation ID for this message.
void	setCorrelationIdBytes(byte[] correlationId) Sets the correlation ID of the message in raw byte form.
void	setDeliveryCount(int deliveryCount) Sets the delivery count on the message.
void	setDeliveryTime(long deliveryTime, boolean transmit) Sets an desired delivery time on this message.
void	setDestination(JmsDestination destination) Sets the Destination that this message is being sent to.
void	setExpiration(long expiration) Sets an expiration time on this message.
void	setGroupId(String groupId) Sets the Group ID to use for this message.
void	setGroupSequence(int groupSequence) Sets the group sequence value for this message.
void	setMessageId(String messageId) Sets the message ID for this message.
void	setPersistent(boolean value) Sets the persistent flag on this message.
void	setPriority(int priority) Sets the message priority for this message using a JMS priority scoped value.
void	setProperty(String key, Object value) Sets the message property value using the supplied key to identify the value that should be set or updated.
void	setProviderMessageIdObject(Object messageId) Sets the underlying providers message ID object for this message, or clears it if the provided value is null.
void	setRedelivered(boolean redelivered) Used to set the redelivered state of a message.
void	setRedeliveryCount(int redeliveryCount) Used to update the message redelivery after a local redelivery of the Message has been performed.
void	setReplyTo(JmsDestination replyTo) Sets the Destination where replies to this Message are to be sent.
void	setReplyToGroupId(String replyToGroupId)
void	setTimestamp(long timestamp) Sets the time stamp value of this message.
Object	setTracingAnnotation(String key, Object value) Sets some trace specific message annotation that was previously applied to the given message either locally or by a remote peer.
Object	setTracingContext(String key, Object value) Sets some trace related context from the message for use by the tracing implementation.
void	setType(String type) Sets the String value used to define the Message JMSType by the client.
void	setUserId(String userId) Sets the User ID for the connection that is being used to send this message.
void	setUserIdBytes(byte[] userId) Sets the user ID of the message in raw byte form.

Methods inherited from class java.lang.Object

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

Field Detail

connection

protected AmqpConnection connection

Constructor Detail

AmqpJmsMessageFacade

public AmqpJmsMessageFacade()

Method Detail

initialize

public void initialize(AmqpConnection connection)

Initialize the state of this message for send.

Parameters:

connection - The connection that this message is linked to.

initialize

public void initialize(AmqpConsumer consumer)

Initialize the state of this message for receive.

Parameters:

consumer - The consumer that this message was read from.

initializeEmptyBody

protected void initializeEmptyBody()

Used to indicate that a Message object should empty the body element and make any other internal updates to reflect the message now has no body value.

getJmsMsgType

public byte getJmsMsgType()

Returns:

the appropriate byte value that indicates the type of message this is.

getContentType

public org.apache.qpid.proton.amqp.Symbol getContentType()

The annotation value for the JMS Message content type. For a generic JMS message this value is omitted so we return null here, subclasses should override this to return the correct content type value for their payload.

Returns:

a Symbol value indicating the message content type.

setContentType

public void setContentType(org.apache.qpid.proton.amqp.Symbol value)

propertyExists

public boolean propertyExists(String key)
                       throws javax.jms.JMSException

Specified by:

propertyExists in interface JmsMessageFacade

Parameters:

key - The property name that is being searched for.

Returns:

true if the given property exists within the message.

Throws:

javax.jms.JMSException - if an error occurs while accessing the Message properties.

applicationPropertyExists

public boolean applicationPropertyExists(String key)
                                  throws javax.jms.JMSException

Throws:

javax.jms.JMSException

getPropertyNames

public Set<String> getPropertyNames()

Returns a set of all the property names that have been set in this message. The Set returned may be manipulated by the receiver without impacting the facade, and an empty set will be returned if there are no matching properties.

Specified by:

getPropertyNames in interface JmsMessageFacade

Returns:

a set of property names in the message or an empty set if none are set.

getApplicationPropertyNames

public Set<String> getApplicationPropertyNames(Set<String> propertyNames)

getProperty

public Object getProperty(String key)
                   throws javax.jms.JMSException

Description copied from interface: JmsMessageFacade

Returns the property stored in the message accessed via the given key/

Specified by:

getProperty in interface JmsMessageFacade

Parameters:

key - the key used to access the given property.

Returns:

the object that is stored under the given key or null if none found.

Throws:

javax.jms.JMSException - if an error occurs while accessing the Message properties.

getApplicationProperty

public Object getApplicationProperty(String key)
                              throws javax.jms.JMSException

Throws:

javax.jms.JMSException

setProperty

public void setProperty(String key,
                        Object value)
                 throws javax.jms.JMSException

Description copied from interface: JmsMessageFacade

Sets the message property value using the supplied key to identify the value that should be set or updated.

Specified by:

setProperty in interface JmsMessageFacade

Parameters:

key - the key that identifies the message property.

value - the value that is to be stored in the message.

Throws:

javax.jms.JMSException - if an error occurs while accessing the Message properties.

setApplicationProperty

public void setApplicationProperty(String key,
                                   Object value)
                            throws javax.jms.JMSException

Throws:

javax.jms.JMSException

onSend

public void onSend(long producerTtl)
            throws javax.jms.JMSException

Description copied from interface: JmsMessageFacade

Called before a message is sent to allow a Message instance to move the contents from a logical data structure to a binary form for transmission, or other processing such as setting proper message headers etc. The method allows for passing through producer configuration details not explicitly mapped into the JMS Message allowing the facade to create the most correct and compact message on the wire.

Specified by:

onSend in interface JmsMessageFacade

Parameters:

producerTtl - the time to live value configured on the producer when sent.

Throws:

javax.jms.JMSException - if an error occurs while preparing the message for send.

onDispatch

public void onDispatch()
                throws javax.jms.JMSException

Description copied from interface: JmsMessageFacade

Called before a message is dispatched to its intended consumer to allow for any necessary processing of message data such as setting read-only state etc.

Specified by:

onDispatch in interface JmsMessageFacade

Throws:

javax.jms.JMSException - if an error occurs while preparing the message for dispatch.

clearBody

public void clearBody()

Description copied from interface: JmsMessageFacade

Clears the contents of this Message.

Specified by:

clearBody in interface JmsMessageFacade

clearProperties

public void clearProperties()
                     throws javax.jms.JMSException

Description copied from interface: JmsMessageFacade

Clears any Message properties that exist for this Message instance.

Specified by:

clearProperties in interface JmsMessageFacade

Throws:

javax.jms.JMSException - if an error occurs while accessing the message properties.

copy

public AmqpJmsMessageFacade copy()
                          throws javax.jms.JMSException

Description copied from interface: JmsMessageFacade

Create a new instance and perform a deep copy of this object's contents.

Specified by:

copy in interface JmsMessageFacade

Returns:

a copy of this JmsMessageFacade instance.

Throws:

javax.jms.JMSException - if an error occurs while copying the message.

copyInto

protected void copyInto(AmqpJmsMessageFacade target)

getMessageId

public String getMessageId()

Description copied from interface: JmsMessageFacade

Returns the message ID set on this message if one exists, null otherwise. The returned value will include the JMS mandated 'ID:' prefix.

Specified by:

getMessageId in interface JmsMessageFacade

Returns:

the set message ID or null if not set.

getProviderMessageIdObject

public Object getProviderMessageIdObject()

Description copied from interface: JmsMessageFacade

Returns the underlying providers message ID object for this message if one exists, null otherwise. In the case the returned value is a String, it is not defined whether the JMS mandated 'ID:' prefix will be present.

Specified by:

getProviderMessageIdObject in interface JmsMessageFacade

Returns:

the set provider message ID or null if not set.

setProviderMessageIdObject

public void setProviderMessageIdObject(Object messageId)

Description copied from interface: JmsMessageFacade

Sets the underlying providers message ID object for this message, or clears it if the provided value is null.

Specified by:

setProviderMessageIdObject in interface JmsMessageFacade

Parameters:

messageId - The message ID to set on this message, or null to clear.

setMessageId

public void setMessageId(String messageId)
                  throws IdConversionException

Description copied from interface: JmsMessageFacade

Sets the message ID for this message.

Specified by:

setMessageId in interface JmsMessageFacade

Parameters:

messageId - The message ID to set on this message, or null to clear.

Throws:

IdConversionException

getTimestamp

public long getTimestamp()

Description copied from interface: JmsMessageFacade

Gets the time stamp assigned to the message when it was sent.

Specified by:

getTimestamp in interface JmsMessageFacade

Returns:

the message time stamp value.

setTimestamp

public void setTimestamp(long timestamp)

Description copied from interface: JmsMessageFacade

Sets the time stamp value of this message.

Specified by:

setTimestamp in interface JmsMessageFacade

Parameters:

timestamp - the time that the message was sent by the provider.

getCorrelationId

public String getCorrelationId()

Description copied from interface: JmsMessageFacade

Returns the correlation ID set on this message if one exists, null otherwise. The returned value will include the JMS mandated 'ID:' prefix if the value represents a JMSMessageID rather than an application-specific string.

Specified by:

getCorrelationId in interface JmsMessageFacade

Returns:

the set correlation ID or null if not set.

setCorrelationId

public void setCorrelationId(String correlationId)
                      throws IdConversionException

Description copied from interface: JmsMessageFacade

Sets the correlation ID for this message.

Specified by:

setCorrelationId in interface JmsMessageFacade

Parameters:

correlationId - The correlation ID to set on this message, or null to clear.

Throws:

IdConversionException

getCorrelationIdBytes

public byte[] getCorrelationIdBytes()
                             throws javax.jms.JMSException

Description copied from interface: JmsMessageFacade

Gets the set correlation ID of the message in raw bytes form. If no ID was set then this method may return null or an empty byte array.

Specified by:

getCorrelationIdBytes in interface JmsMessageFacade

Returns:

a byte array containing the correlation ID value in raw form.

Throws:

javax.jms.JMSException - if an error occurs while accessing the property.

setCorrelationIdBytes

public void setCorrelationIdBytes(byte[] correlationId)

Description copied from interface: JmsMessageFacade

Sets the correlation ID of the message in raw byte form. Setting the value as null or an empty byte array will clear any previously set value. If the underlying protocol cannot convert or map the given byte value to it's own internal representation it should throw a JMSException indicating the error.

Specified by:

setCorrelationIdBytes in interface JmsMessageFacade

Parameters:

correlationId - the byte array to use to set the message correlation ID.

isPersistent

public boolean isPersistent()

Specified by:

isPersistent in interface JmsMessageFacade

Returns:

true if this message is tagged as being persistent.

setPersistent

public void setPersistent(boolean value)

Description copied from interface: JmsMessageFacade

Sets the persistent flag on this message.

Specified by:

setPersistent in interface JmsMessageFacade

Parameters:

value - true if the message is to be marked as persistent.

getDeliveryCount

public int getDeliveryCount()

Description copied from interface: JmsMessageFacade

Returns the current delivery count of the Message as set in the underlying message instance.

Specified by:

getDeliveryCount in interface JmsMessageFacade

Returns:

the current delivery count.

setDeliveryCount

public void setDeliveryCount(int deliveryCount)

Description copied from interface: JmsMessageFacade

Sets the delivery count on the message.

Specified by:

setDeliveryCount in interface JmsMessageFacade

Parameters:

deliveryCount - the new delivery count to assign the Message.

getRedeliveryCount

public int getRedeliveryCount()

Description copied from interface: JmsMessageFacade

Returns the current redelivery count of the Message as set in the underlying message instance.

Specified by:

getRedeliveryCount in interface JmsMessageFacade

Returns:

the current redelivery count.

setRedeliveryCount

public void setRedeliveryCount(int redeliveryCount)

Description copied from interface: JmsMessageFacade

Used to update the message redelivery after a local redelivery of the Message has been performed.

Specified by:

setRedeliveryCount in interface JmsMessageFacade

Parameters:

redeliveryCount - the new redelivery count to assign the Message.

isRedelivered

public boolean isRedelivered()

Description copied from interface: JmsMessageFacade

Used to quickly check if a message has been redelivered.

Specified by:

isRedelivered in interface JmsMessageFacade

Returns:

true if the message was redelivered, false otherwise.

setRedelivered

public void setRedelivered(boolean redelivered)

Description copied from interface: JmsMessageFacade

Used to set the redelivered state of a message. This can serve to clear the redelivery counter or set its initial value to one.

Specified by:

setRedelivered in interface JmsMessageFacade

Parameters:

redelivered - true if the message is to be marked as redelivered, false otherwise.

getType

public String getType()

Description copied from interface: JmsMessageFacade

Returns the JMSType value as defined by the provider or set by the sending client.

Specified by:

getType in interface JmsMessageFacade

Returns:

a String value that defines the message JMSType.

setType

public void setType(String type)

Description copied from interface: JmsMessageFacade

Sets the String value used to define the Message JMSType by the client.

Specified by:

setType in interface JmsMessageFacade

Parameters:

type - the JMSType value the client assigns to this message.

getPriority

public int getPriority()

Description copied from interface: JmsMessageFacade

Returns the assigned priority value of this message in JMS ranged scoping. If the provider does not define a message priority value in its message objects or the value is not set in the message this method should return the JMS default value of 4.

Specified by:

getPriority in interface JmsMessageFacade

Returns:

the priority value assigned to this message.

setPriority

public void setPriority(int priority)

Description copied from interface: JmsMessageFacade

Sets the message priority for this message using a JMS priority scoped value.

Specified by:

setPriority in interface JmsMessageFacade

Parameters:

priority - the new priority value to set on this message.

getExpiration

public long getExpiration()

Description copied from interface: JmsMessageFacade

Returns the set expiration time for this message. The value should be returned as an absolute time given in GMT time.

Specified by:

getExpiration in interface JmsMessageFacade

Returns:

the time that this message expires or zero if it never expires.

setExpiration

public void setExpiration(long expiration)

Description copied from interface: JmsMessageFacade

Sets an expiration time on this message. The expiration time will be given as an absolute time in GMT time.

Specified by:

setExpiration in interface JmsMessageFacade

Parameters:

expiration - the time that this message should be considered as expired.

getDeliveryTime

public long getDeliveryTime()

Description copied from interface: JmsMessageFacade

Returns the set delivery time for this message. The value should be returned as an absolute time given in GMT time.

Specified by:

getDeliveryTime in interface JmsMessageFacade

Returns:

the earliest time that the message should be made available for delivery.

setDeliveryTime

public void setDeliveryTime(long deliveryTime,
                            boolean transmit)

Description copied from interface: JmsMessageFacade

Sets an desired delivery time on this message. The delivery time will be given as an absolute time in GMT time.

Specified by:

setDeliveryTime in interface JmsMessageFacade

Parameters:

deliveryTime - the earliest time that the message should be made available for delivery.

transmit - whether to transmit an annotation containing the value (if non-zero)

isDeliveryTimeTransmitted

public boolean isDeliveryTimeTransmitted()

Description copied from interface: JmsMessageFacade

Returns whether the delivery time is being transmitted, i.e. incorporates an actual delivery delay.

Specified by:

isDeliveryTimeTransmitted in interface JmsMessageFacade

Returns:

true if delivery time is being transmitted as an annotation

setAmqpTimeToLiveOverride

public void setAmqpTimeToLiveOverride(Long ttl)
                               throws javax.jms.MessageFormatException

Sets a value which will be used to override any ttl value that may otherwise be set based on the expiration value when sending the underlying AMQP message. A value of 0 means to clear the ttl field rather than set it to anything.

Parameters:

ttl - the value to use, in range 0 <= x <= 2^32 - 1

Throws:

javax.jms.MessageFormatException - if the TTL value is not in the allowed range.

hasAmqpTimeToLiveOverride

public boolean hasAmqpTimeToLiveOverride()

getAmqpTimeToLiveOverride

public long getAmqpTimeToLiveOverride()

getDestination

public JmsDestination getDestination()

Description copied from interface: JmsMessageFacade

Gets the Destination value that was assigned to this message at the time it was sent.

Specified by:

getDestination in interface JmsMessageFacade

Returns:

the destination to which this message was originally sent.

setDestination

public void setDestination(JmsDestination destination)

Description copied from interface: JmsMessageFacade

Sets the Destination that this message is being sent to.

Specified by:

setDestination in interface JmsMessageFacade

Parameters:

destination - the destination that this message is being sent to.

getReplyTo

public JmsDestination getReplyTo()

Description copied from interface: JmsMessageFacade

Gets the Destination where replies for this Message are to be sent to.

Specified by:

getReplyTo in interface JmsMessageFacade

Returns:

the reply to destination for this message or null if none set.

setReplyTo

public void setReplyTo(JmsDestination replyTo)

Description copied from interface: JmsMessageFacade

Sets the Destination where replies to this Message are to be sent.

Specified by:

setReplyTo in interface JmsMessageFacade

Parameters:

replyTo - the Destination where replies should be sent, or null to clear.

setReplyToGroupId

public void setReplyToGroupId(String replyToGroupId)

getReplyToGroupId

public String getReplyToGroupId()

getUserId

public String getUserId()

Description copied from interface: JmsMessageFacade

Returns the ID of the user that sent this message if available.

Specified by:

getUserId in interface JmsMessageFacade

Returns:

the user ID that was in use when this message was sent or null if not set.

setUserId

public void setUserId(String userId)

Description copied from interface: JmsMessageFacade

Sets the User ID for the connection that is being used to send this message.

Specified by:

setUserId in interface JmsMessageFacade

Parameters:

userId - the user ID that sent this message or null to clear.

getUserIdBytes

public byte[] getUserIdBytes()

Description copied from interface: JmsMessageFacade

Gets the set user ID of the message in raw bytes form. If no ID was set then this method may return null or an empty byte array.

Specified by:

getUserIdBytes in interface JmsMessageFacade

Returns:

a byte array containing the user ID value in raw form.

setUserIdBytes

public void setUserIdBytes(byte[] userId)

Description copied from interface: JmsMessageFacade

Sets the user ID of the message in raw byte form. Setting the value as null or an empty byte array will clear any previously set value. If the underlying protocol cannot convert or map the given byte value to it's own internal representation it should throw a JMSException indicating the error.

Specified by:

setUserIdBytes in interface JmsMessageFacade

Parameters:

userId - the byte array to use to set the message user ID.

getGroupId

public String getGroupId()

Description copied from interface: JmsMessageFacade

Gets the Group ID that this message is assigned to.

Specified by:

getGroupId in interface JmsMessageFacade

Returns:

the Group ID this message was sent in.

setGroupId

public void setGroupId(String groupId)

Description copied from interface: JmsMessageFacade

Sets the Group ID to use for this message.

Specified by:

setGroupId in interface JmsMessageFacade

Parameters:

groupId - the Group ID that this message is assigned to.

getGroupSequence

public int getGroupSequence()

Description copied from interface: JmsMessageFacade

Gets the assigned group sequence of this message.

Specified by:

getGroupSequence in interface JmsMessageFacade

Returns:

the assigned group sequence of this message.

setGroupSequence

public void setGroupSequence(int groupSequence)

Description copied from interface: JmsMessageFacade

Sets the group sequence value for this message.

Specified by:

setGroupSequence in interface JmsMessageFacade

Parameters:

groupSequence - the group sequence value to assign this message.

hasBody

public boolean hasBody()

Description copied from interface: JmsMessageFacade

Returns true if the underlying message has a body, false if the body is empty.

Specified by:

hasBody in interface JmsMessageFacade

Returns:

true if the underlying message has a body, false if the body is empty.

asJmsMessage

public JmsMessage asJmsMessage()

encodeMessage

public io.netty.buffer.ByteBuf encodeMessage()

Description copied from interface: JmsMessageFacade

Encodes the protocol level Message instance for transmission.

Specified by:

encodeMessage in interface JmsMessageFacade

Returns:

an Object that represents the encoded form of the message for the target provider.

getTracingContext

public Object getTracingContext(String key)

Description copied from interface: TraceableMessage

Gets some trace related context from the message for use by the tracing implementation.

Allows the Tracing implementation to store context data into the message without the message needing to know what the types or structure of that data is.

Specified by:

getTracingContext in interface TraceableMessage

Parameters:

key - The name of the context element to be looked up.

Returns:

the stored tracing context element or null if not present.

setTracingContext

public Object setTracingContext(String key,
                                Object value)

Description copied from interface: TraceableMessage

Sets some trace related context from the message for use by the tracing implementation.

Allows the Tracing implementation to store context data into the message without the message needing to know what the types or structure of that data is.

Specified by:

setTracingContext in interface TraceableMessage

Parameters:

key - The key that the tracing context element should be stored under.

value - The value to store under the given key.

Returns:

the previous value stored under the given key if any present.

removeTracingContext

public Object removeTracingContext(String key)

Description copied from interface: TraceableMessage

Removes some trace related context from the message.

Specified by:

removeTracingContext in interface TraceableMessage

Parameters:

key - The key of the tracing context element that should be cleared.

Returns:

the previous value stored under the given key if any present.

getTracingAnnotation

public Object getTracingAnnotation(String key)

Description copied from interface: TraceableMessage

Gets some trace specific message annotation that was previously applied to the given message either locally or by a remote peer.

Specified by:

getTracingAnnotation in interface TraceableMessage

Parameters:

key - The name of the tracing annotation data to retrieve.

Returns:

the tracing related annotation data under the given key.

setTracingAnnotation

public Object setTracingAnnotation(String key,
                                   Object value)

Description copied from interface: TraceableMessage

Sets some trace specific message annotation that was previously applied to the given message either locally or by a remote peer.

Specified by:

setTracingAnnotation in interface TraceableMessage

Parameters:

key - The name of the tracing annotation data to store the trace data under.

value - The value to store under the given key.

Returns:

the previous value stored under the given key if any present.

removeTracingAnnotation

public Object removeTracingAnnotation(String key)

Description copied from interface: TraceableMessage

Remove some trace specific message annotation that was previously applied to the given message either locally or by a remote peer.

Specified by:

removeTracingAnnotation in interface TraceableMessage

Parameters:

key - The name of the tracing annotation data to remove.

Returns:

the tracing related annotation data under the given key.

filterTracingAnnotations

public void filterTracingAnnotations(BiConsumer<String,Object> filter)

Description copied from interface: TraceableMessage

Allows the tracing layer to filter out tracing related details from the full set of message annotations that a message might be carrying.

Specified by:

filterTracingAnnotations in interface TraceableMessage

Parameters:

filter - The filter used to consume tracing related message annotations of interest.