org.springframework.cloud.stream.binder

Class MessageValues

java.lang.Object

org.springframework.cloud.stream.binder.MessageValues

All Implemented Interfaces:

Map<String,Object>

public class MessageValues
extends Object
implements Map<String,Object>

A mutable type for allowing Binder implementations to transform and enrich message content more efficiently.

Author:

David Turanski, Marius Bogoevici

Nested Class Summary

Nested classes/interfaces inherited from interface java.util.Map

Map.Entry<K,V>

Constructor Summary

Constructors

Constructor and Description
MessageValues(org.springframework.messaging.Message<?> message) Create an instance from a Message.
MessageValues(Object payload, Map<String,Object> headers)

Method Summary

Modifier and Type	Method and Description
void	clear()
boolean	containsKey(Object key)
boolean	containsValue(Object value)
void	copyHeadersIfAbsent(Map<String,Object> headersToCopy)
Set<Map.Entry<String,Object>>	entrySet()
Object	get(Object key)
Map<String,Object>	getHeaders()
Object	getPayload()
boolean	isEmpty()
Set<String>	keySet()
Object	put(String key, Object value)
void	putAll(Map<? extends String,?> m)
Object	remove(Object key)
void	setPayload(Object payload) Set the payload
int	size()
org.springframework.messaging.Message<?>	toMessage() Convert to a Message using a the default MessageBuilder.
org.springframework.messaging.Message<?>	toMessage(org.springframework.integration.support.MessageBuilderFactory messageBuilderFactory) Convert to a Message using a MessageBuilderFactory.
Collection<Object>	values()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map

compute, computeIfAbsent, computeIfPresent, equals, forEach, getOrDefault, hashCode, merge, putIfAbsent, remove, replace, replace, replaceAll

Constructor Detail

MessageValues

public MessageValues(org.springframework.messaging.Message<?> message)

Create an instance from a Message.

Parameters:

message - the message

MessageValues

public MessageValues(Object payload,
                     Map<String,Object> headers)

Method Detail

getPayload

public Object getPayload()

Returns:

the payload

setPayload

public void setPayload(Object payload)

Set the payload

Parameters:

payload - any non null object.

getHeaders

public Map<String,Object> getHeaders()

toMessage

public org.springframework.messaging.Message<?> toMessage(org.springframework.integration.support.MessageBuilderFactory messageBuilderFactory)

Convert to a Message using a MessageBuilderFactory.

Parameters:

messageBuilderFactory - the MessageBuilderFactory

Returns:

the Message

toMessage

public org.springframework.messaging.Message<?> toMessage()

Convert to a Message using a the default MessageBuilder.

Returns:

the Message

size

public int size()

Specified by:

size in interface Map<String,Object>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Map<String,Object>

containsKey

public boolean containsKey(Object key)

Specified by:

containsKey in interface Map<String,Object>

containsValue

public boolean containsValue(Object value)

Specified by:

containsValue in interface Map<String,Object>

get

public Object get(Object key)

Specified by:

get in interface Map<String,Object>

put

public Object put(String key,
                  Object value)

Specified by:

put in interface Map<String,Object>

remove

public Object remove(Object key)

Specified by:

remove in interface Map<String,Object>

putAll

public void putAll(Map<? extends String,?> m)

Specified by:

putAll in interface Map<String,Object>

clear

public void clear()

Specified by:

clear in interface Map<String,Object>

keySet

public Set<String> keySet()

Specified by:

keySet in interface Map<String,Object>

values

public Collection<Object> values()

Specified by:

values in interface Map<String,Object>

entrySet

public Set<Map.Entry<String,Object>> entrySet()

Specified by:

entrySet in interface Map<String,Object>

copyHeadersIfAbsent

public void copyHeadersIfAbsent(Map<String,Object> headersToCopy)