Package com.alachisoft.ncache.runtime.caching

Class Message

java.lang.Object

com.alachisoft.ncache.runtime.caching.Message

public class Message
extends java.lang.Object

A message contains the actual data object which is sent by the publisher and delivered to the interested subscribers for the topic.

Constructor Summary

Constructors

Constructor	Description
Message(java.lang.Object payload)	Initializes an instance of class Message.
Message(java.lang.Object payload, TimeSpan timeSpan)	Initializes an instance of class Message.

Method Summary

Modifier and Type	Method	Description
java.util.Date	getCreationTime()	This property gets the time of creation in DateTime for the message.
TimeSpan	getExpirationTime()	ExpirationTime of TimeSpan type after which the message is expired from the topic.
java.lang.String	getMessageId()	Auto generated Id for the message, as same messages can be stored on different topics.
java.lang.Object	getPayload()	The actual data object of interest for subscribers, for example, Order.
<T> T	getPayloadAsJson(java.lang.Class<?> cls)	This method is used to get underlying payload that is stored in Json form.
void	setCreationTime(java.util.Date value)	This property sets the time of creation in DateTime for the message.
void	setExpirationTime(TimeSpan value)	Sets the expiration time of the message.
void	setMessageId(java.lang.String value)	Sets the Message Id of the message.
void	setSerializationDataInternal(PayloadDeserializer serializer, java.lang.Object serializePayload)	This method is only created for internal use, it is not recommended to use it.

Methods inherited from class java.lang.Object

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

Constructor Detail

Message

public Message(java.lang.Object payload)

Initializes an instance of class Message.

Parameters:

payload - This property specifies the payload of the message.

Message

public Message(java.lang.Object payload,
               TimeSpan timeSpan)

Initializes an instance of class Message.

Parameters:

payload - This property specifies the payload of the message.

timeSpan - A constant value that indicates that messages have been added into the cache without expiry.

Method Detail

getMessageId

public final java.lang.String getMessageId()

Auto generated Id for the message, as same messages can be stored on different topics.

Returns:

Message Id of the message.

setMessageId

public final void setMessageId(java.lang.String value)

Sets the Message Id of the message.

Parameters:

value - The Id to be set to message.

getExpirationTime

public final TimeSpan getExpirationTime()

ExpirationTime of TimeSpan type after which the message is expired from the topic. This can also accept null value, which will ensure that the message is not expired from the topic. In case of no expiration time specified, null is considered as default.

Returns:

TimeSpan that indicates the expiration time of the message.

setExpirationTime

public final void setExpirationTime(TimeSpan value)

Sets the expiration time of the message.

Parameters:

value - The value that is to be set as expiration time.

getPayload

public final java.lang.Object getPayload()

The actual data object of interest for subscribers, for example, Order.

Returns:

The underlying payload of the message.

setSerializationDataInternal

public final void setSerializationDataInternal(PayloadDeserializer serializer,
                                               java.lang.Object serializePayload)

This method is only created for internal use, it is not recommended to use it.

Parameters:

serializer -

serializePayload -

getPayloadAsJson

public final <T> T getPayloadAsJson(java.lang.Class<?> cls)
                             throws OperationFailedException,
                                    com.fasterxml.jackson.core.JsonProcessingException

This method is used to get underlying payload that is stored in Json form.

Type Parameters:

T - Specifies the type of payload.

Parameters:

cls - Specifies the class of payload.

Returns:

The Json deserialized payload.

Throws:

OperationFailedException

com.fasterxml.jackson.core.JsonProcessingException

getCreationTime

public final java.util.Date getCreationTime()

This property gets the time of creation in DateTime for the message.

Returns:

Creation time of message in DateTime.

setCreationTime

public final void setCreationTime(java.util.Date value)

This property sets the time of creation in DateTime for the message.

Parameters:

value - Creation time of message in DateTime.