org.axonframework.messaging

Class SimpleHandlerAttributes

java.lang.Object

org.axonframework.messaging.SimpleHandlerAttributes

All Implemented Interfaces:

HandlerAttributes

public class SimpleHandlerAttributes
extends Object
implements HandlerAttributes

Simple implementation of the HandlerAttributes which is given the attributes in the constructor.

Since:

4.5

Author:

Steven van Beelen

Field Summary

Fields inherited from interface org.axonframework.messaging.HandlerAttributes

AGGREGATE_CREATION_POLICY, ALLOW_REPLAY, COMMAND_NAME, COMMAND_ROUTING_KEY, EXCEPTION_RESULT_TYPE, FORCE_NEW_SAGA, MESSAGE_TYPE, PAYLOAD_TYPE, QUERY_NAME, RESULT_TYPE, SAGA_ASSOCIATION_PROPERTY, SAGA_ASSOCIATION_PROPERTY_KEY_NAME, SAGA_ASSOCIATION_RESOLVER, SHUTDOWN_PHASE, START_PHASE

Constructor Summary

Constructors

Constructor and Description
SimpleHandlerAttributes(Map<String,Object> attributes) Constructs a SimpleHandlerAttributes using the given attributes.

Method Summary

Modifier and Type	Method and Description
boolean	contains(String attributeKey) Validates whether the given attributeKey is present in this object.
boolean	equals(Object o)
<R> R	get(String attributeKey) Retrieve the attribute for the given attributeKey.
Map<String,Object>	getAll() Retrieve all attributes stored in this HandlerAttributes object.
int	hashCode()
boolean	isEmpty() Validate whether zero attributes are present in this object.
HandlerAttributes	mergedWith(HandlerAttributes other) Returns a HandlerAttributes, merging the attributes in this instance with the given attributes.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleHandlerAttributes

public SimpleHandlerAttributes(Map<String,Object> attributes)

Constructs a SimpleHandlerAttributes using the given attributes. Changes made on the given attributes after construction of a SimpleHandlerAttributes are not reflected by the constructed instance.

Parameters:

attributes - the attributes for this HandlerAttributes implementation

Method Detail

get

public <R> R get(String attributeKey)

Description copied from interface: HandlerAttributes

Retrieve the attribute for the given attributeKey. Might be null if there is no attribute present for the given key.

Specified by:

get in interface HandlerAttributes

Type Parameters:

R - the type of attribute to retrieve

Parameters:

attributeKey - the attribute key to retrieve an attribute for

Returns:

the attribute for the given attributeKey

getAll

public Map<String,Object> getAll()

Description copied from interface: HandlerAttributes

Retrieve all attributes stored in this HandlerAttributes object.

Specified by:

getAll in interface HandlerAttributes

Returns:

all attributes stored in this HandlerAttributes object

contains

public boolean contains(String attributeKey)

Description copied from interface: HandlerAttributes

Validates whether the given attributeKey is present in this object.

Specified by:

contains in interface HandlerAttributes

Parameters:

attributeKey - the attribute key to validate if it is present in this object

Returns:

true if there is an attribute for the given attributeKey present, false otherwise

isEmpty

public boolean isEmpty()

Description copied from interface: HandlerAttributes

Validate whether zero attributes are present in this object.

Specified by:

isEmpty in interface HandlerAttributes

Returns:

true if there are no attributes present, false otherwise

mergedWith

public HandlerAttributes mergedWith(HandlerAttributes other)

Description copied from interface: HandlerAttributes

Returns a HandlerAttributes, merging the attributes in this instance with the given attributes. If this and other have identical entries, the values from other will take precedence.

Specified by:

mergedWith in interface HandlerAttributes

Parameters:

other - the HandlerAttributes to group with this instance's attributes

Returns:

a HandlerAttributes combining this instance's attributes and the given other attributes

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object