org.springframework.integration
Class MessageHeaders

java.lang.Object
  org.springframework.integration.MessageHeaders

All Implemented Interfaces:

Serializable, Map<String,Object>

public final class MessageHeaders
extends Object
implements Map<String,Object>, Serializable

The headers for a Message.

Author:

Arjen Poutsma, Mark Fisher

See Also:

Serialized Form

Nested Class Summary

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

Map.Entry<K,V>

Field Summary

static String	CORRELATION_ID
static String	ERROR_CHANNEL
static String	EXPIRATION_DATE
static String	HISTORY
static String	ID The key for the Message ID.
static String	PREFIX
static String	PRIORITY
static String	REPLY_CHANNEL
static String	SEQUENCE_NUMBER
static String	SEQUENCE_SIZE
static String	TIMESTAMP

Constructor Summary

MessageHeaders(Map<String,Object> headers)

Method Summary

void	clear()
boolean	containsKey(Object key)
boolean	containsValue(Object value)
Set<Map.Entry<String,Object>>	entrySet()
boolean	equals(Object obj)
Object	get(Object key)
<T> T	get(Object key, Class<T> type)
Object	getCorrelationId()
Object	getErrorChannel()
Long	getExpirationDate()
MessageHistory	getHistory()
UUID	getId()
Integer	getPriority()
Object	getReplyChannel()
Integer	getSequenceNumber()
Integer	getSequenceSize()
Long	getTimestamp()
int	hashCode()
boolean	isEmpty()
Set<String>	keySet()
Object	put(String key, Object value)
void	putAll(Map<? extends String,? extends Object> t)
Object	remove(Object key)
int	size()
String	toString()
Collection<Object>	values()

Methods inherited from class java.lang.Object

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

Field Detail

PREFIX

public static final String PREFIX

See Also:

Constant Field Values

ID

public static final String ID

The key for the Message ID. This is an automatically generated UUID and should never be explicitly set in the header map except in the case of Message deserialization where the serialized Message's generated UUID is being restored.

See Also:

Constant Field Values

TIMESTAMP

public static final String TIMESTAMP

See Also:

Constant Field Values

CORRELATION_ID

public static final String CORRELATION_ID

See Also:

Constant Field Values

REPLY_CHANNEL

public static final String REPLY_CHANNEL

See Also:

Constant Field Values

ERROR_CHANNEL

public static final String ERROR_CHANNEL

See Also:

Constant Field Values

HISTORY

public static final String HISTORY

See Also:

Constant Field Values

EXPIRATION_DATE

public static final String EXPIRATION_DATE

See Also:

Constant Field Values

PRIORITY

public static final String PRIORITY

See Also:

Constant Field Values

SEQUENCE_NUMBER

public static final String SEQUENCE_NUMBER

See Also:

Constant Field Values

SEQUENCE_SIZE

public static final String SEQUENCE_SIZE

See Also:

Constant Field Values

Constructor Detail

MessageHeaders

public MessageHeaders(Map<String,Object> headers)

Method Detail

getId

public UUID getId()

getTimestamp

public Long getTimestamp()

getHistory

public MessageHistory getHistory()

getExpirationDate

public Long getExpirationDate()

getCorrelationId

public Object getCorrelationId()

getReplyChannel

public Object getReplyChannel()

getErrorChannel

public Object getErrorChannel()

getSequenceNumber

public Integer getSequenceNumber()

getSequenceSize

public Integer getSequenceSize()

getPriority

public Integer getPriority()

get

public <T> T get(Object key,
                 Class<T> type)

hashCode

public int hashCode()

Specified by:

hashCode in interface Map<String,Object>

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Specified by:

equals in interface Map<String,Object>

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class 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>

entrySet

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

Specified by:

entrySet in interface Map<String,Object>

get

public Object get(Object key)

Specified by:

get in interface Map<String,Object>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Map<String,Object>

keySet

public Set<String> keySet()

Specified by:

keySet in interface Map<String,Object>

size

public int size()

Specified by:

size in interface Map<String,Object>

values

public Collection<Object> values()

Specified by:

values in interface Map<String,Object>

put

public Object put(String key,
                  Object value)

Specified by:

put in interface Map<String,Object>

putAll

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

Specified by:

putAll in interface Map<String,Object>

remove

public Object remove(Object key)

Specified by:

remove in interface Map<String,Object>

clear

public void clear()

Specified by:

clear in interface Map<String,Object>