org.springframework.messaging.simp

Class SimpMessageTypeMessageCondition

java.lang.Object

org.springframework.messaging.handler.AbstractMessageCondition<SimpMessageTypeMessageCondition>

org.springframework.messaging.simp.SimpMessageTypeMessageCondition

All Implemented Interfaces:

MessageCondition<SimpMessageTypeMessageCondition>

public class SimpMessageTypeMessageCondition
extends AbstractMessageCondition<SimpMessageTypeMessageCondition>

A message condition that checks the message type.

Since:

4.0

Author:

Rossen Stoyanchev

Field Summary

Fields

Modifier and Type	Field and Description
static SimpMessageTypeMessageCondition	MESSAGE
static SimpMessageTypeMessageCondition	SUBSCRIBE

Constructor Summary

Constructors

Constructor and Description
SimpMessageTypeMessageCondition(SimpMessageType messageType) A constructor accepting a message type.

Method Summary

Modifier and Type	Method and Description
SimpMessageTypeMessageCondition	combine(SimpMessageTypeMessageCondition other) Define the rules for combining this condition with another.
int	compareTo(SimpMessageTypeMessageCondition other, Message<?> message) Compare this condition to another in the context of a specific message.
protected Collection<?>	getContent()
SimpMessageTypeMessageCondition	getMatchingCondition(Message<?> message) Check if this condition matches the given Message and returns a potentially new condition with content tailored to the current message.
SimpMessageType	getMessageType()
protected String	getToStringInfix() The notation to use when printing discrete items of content.

Methods inherited from class org.springframework.messaging.handler.AbstractMessageCondition

equals, hashCode, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

MESSAGE

public static final SimpMessageTypeMessageCondition MESSAGE

SUBSCRIBE

public static final SimpMessageTypeMessageCondition SUBSCRIBE

Constructor Detail

SimpMessageTypeMessageCondition

public SimpMessageTypeMessageCondition(SimpMessageType messageType)

A constructor accepting a message type.

Parameters:

messageType - the message type to match messages to

Method Detail

getMessageType

public SimpMessageType getMessageType()

getContent

protected Collection<?> getContent()

Specified by:

getContent in class AbstractMessageCondition<SimpMessageTypeMessageCondition>

Returns:

the collection of objects the message condition is composed of .g. destination patterns), never null

getToStringInfix

protected String getToStringInfix()

Description copied from class: AbstractMessageCondition

The notation to use when printing discrete items of content. For example " || " for URL patterns or " && " for param expressions.

Specified by:

getToStringInfix in class AbstractMessageCondition<SimpMessageTypeMessageCondition>

combine

public SimpMessageTypeMessageCondition combine(SimpMessageTypeMessageCondition other)

Description copied from interface: MessageCondition

Define the rules for combining this condition with another. For example combining type- and method-level conditions.

Parameters:

other - the condition to combine with

Returns:

the resulting message condition

getMatchingCondition

public SimpMessageTypeMessageCondition getMatchingCondition(Message<?> message)

Description copied from interface: MessageCondition

Check if this condition matches the given Message and returns a potentially new condition with content tailored to the current message. For example a condition with destination patterns might return a new condition with sorted, matching patterns only.

Returns:

a condition instance in case of a match; or null if there is no match.

compareTo

public int compareTo(SimpMessageTypeMessageCondition other,
                     Message<?> message)

Description copied from interface: MessageCondition

Compare this condition to another in the context of a specific message. It is assumed both instances have been obtained via MessageCondition.getMatchingCondition(Message) to ensure they have content relevant to current message only.