Package org.refcodes.observer

Class EventMetaDataImpl

java.lang.Object

org.refcodes.observer.EventMetaDataImpl

All Implemented Interfaces:

org.refcodes.mixin.AliasAccessor, org.refcodes.mixin.ChannelAccessor, org.refcodes.mixin.GroupAccessor, org.refcodes.mixin.UniversalIdAccessor, EventMetaData

public class EventMetaDataImpl
extends java.lang.Object
implements EventMetaData

Straight forward implementation of the minimal EventMetaData interface. You might work in your domain driven framework with according sub-types of the EventMetaData interface and the according implementations of those.

Nested Class Summary

Nested classes/interfaces inherited from interface org.refcodes.mixin.AliasAccessor

org.refcodes.mixin.AliasAccessor.AliasBuilder<B extends org.refcodes.mixin.AliasAccessor.AliasBuilder<B>>, org.refcodes.mixin.AliasAccessor.AliasMutator, org.refcodes.mixin.AliasAccessor.AliasProperty

Nested classes/interfaces inherited from interface org.refcodes.mixin.ChannelAccessor

org.refcodes.mixin.ChannelAccessor.ChannelBuilder<B extends org.refcodes.mixin.ChannelAccessor.ChannelBuilder<B>>, org.refcodes.mixin.ChannelAccessor.ChannelMutator, org.refcodes.mixin.ChannelAccessor.ChannelProperty

Nested classes/interfaces inherited from interface org.refcodes.observer.EventMetaData

EventMetaData.EventMetaDataBuilder

Nested classes/interfaces inherited from interface org.refcodes.mixin.GroupAccessor

org.refcodes.mixin.GroupAccessor.GroupBuilder<B extends org.refcodes.mixin.GroupAccessor.GroupBuilder<B>>, org.refcodes.mixin.GroupAccessor.GroupMutator, org.refcodes.mixin.GroupAccessor.GroupProperty

Nested classes/interfaces inherited from interface org.refcodes.mixin.UniversalIdAccessor

org.refcodes.mixin.UniversalIdAccessor.UniversalIdBuilder<B extends org.refcodes.mixin.UniversalIdAccessor.UniversalIdBuilder<B>>, org.refcodes.mixin.UniversalIdAccessor.UniversalIdMutator, org.refcodes.mixin.UniversalIdAccessor.UniversalIdProperty

Field Summary

Fields

Modifier and Type	Field	Description
protected java.lang.String	_alias
protected java.lang.String	_channel
protected java.lang.String	_group
protected java.lang.Class<?>	_publisherType
protected java.lang.String	_uid

Constructor Summary

Constructors

Constructor	Description
EventMetaDataImpl()	Constructs the EventMetaData with no properties set except the Universal-ID.
EventMetaDataImpl(java.lang.Class<?> aPublisherType)	Constructs the EventMetaData with the given properties.
EventMetaDataImpl(java.lang.String aChannel)	Constructs the EventMetaData with the given properties.
EventMetaDataImpl(java.lang.String aChannel, java.lang.Class<?> aPublisherType)	Constructs the EventMetaData with the given properties.
EventMetaDataImpl(java.lang.String aAlias, java.lang.String aGroup)	Constructs the EventMetaData with the given properties.
EventMetaDataImpl(java.lang.String aAlias, java.lang.String aGroup, java.lang.String aChannel)	Constructs the EventMetaData with the given properties.
EventMetaDataImpl(java.lang.String aAlias, java.lang.String aGroup, java.lang.String aChannel, java.lang.String aUid, java.lang.Class<?> aPublisherType)	Constructs the EventMetaData with the given properties.
EventMetaDataImpl(EventMetaData aMetaData)	Constructs the EventMetaData with the properties provided by the given EventMetaData instance.

Method Summary

Modifier and Type	Method	Description
java.lang.String	getAlias()
java.lang.String	getChannel()
java.lang.String	getGroup()
java.lang.Class<?>	getPublisherType()	The least common denominator in event Meta-Data is the type of the publisher which gives a hint on the source of the event.
java.lang.String	getUniversalId()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

_uid

protected java.lang.String _uid

_alias

protected java.lang.String _alias

_group

protected java.lang.String _group

_channel

protected java.lang.String _channel

_publisherType

protected java.lang.Class<?> _publisherType

Constructor Detail

EventMetaDataImpl

public EventMetaDataImpl()

Constructs the EventMetaData with no properties set except the Universal-ID. The Universal-ID is set by invoking the UniqueIdGeneratorSingleton's UniqueIdGeneratorImpl.next() method.

EventMetaDataImpl

public EventMetaDataImpl(java.lang.Class<?> aPublisherType)

Constructs the EventMetaData with the given properties. The Universal-ID is set by invoking the UniqueIdGeneratorSingleton's UniqueIdGeneratorImpl.next() method.

Parameters:

aPublisherType - The type of the publisher.

EventMetaDataImpl

public EventMetaDataImpl(java.lang.String aAlias,
                         java.lang.String aGroup,
                         java.lang.String aChannel)

Constructs the EventMetaData with the given properties. The Universal-ID is set by invoking the UniqueIdGeneratorSingleton's UniqueIdGeneratorImpl.next() method.

Parameters:

aAlias - The alias for the EventMetaData.

aGroup - The group for the EventMetaData.

aChannel - The channel for the EventMetaData.

EventMetaDataImpl

public EventMetaDataImpl(java.lang.String aAlias,
                         java.lang.String aGroup)

Constructs the EventMetaData with the given properties. The Universal-ID is set by invoking the UniqueIdGeneratorSingleton's UniqueIdGeneratorImpl.next() method.

Parameters:

aAlias - The alias for the EventMetaData.

aGroup - The group for the EventMetaData.

EventMetaDataImpl

public EventMetaDataImpl(java.lang.String aChannel)

Constructs the EventMetaData with the given properties. The Universal-ID is set by invoking the UniqueIdGeneratorSingleton's UniqueIdGeneratorImpl.next() method.

Parameters:

aChannel - The channel for the EventMetaData.

EventMetaDataImpl

public EventMetaDataImpl(java.lang.String aAlias,
                         java.lang.String aGroup,
                         java.lang.String aChannel,
                         java.lang.String aUid,
                         java.lang.Class<?> aPublisherType)

Constructs the EventMetaData with the given properties.

Parameters:

aAlias - The alias for the EventMetaData.

aGroup - The group for the EventMetaData.

aChannel - The channel for the EventMetaData.

aUid - The Universal-ID for the EventMetaData.

aPublisherType - The name for the EventMetaData.

EventMetaDataImpl

public EventMetaDataImpl(java.lang.String aChannel,
                         java.lang.Class<?> aPublisherType)

Constructs the EventMetaData with the given properties.

Parameters:

aChannel - The channel for the EventMetaData.

aPublisherType - The name for the EventMetaData.

EventMetaDataImpl

public EventMetaDataImpl(EventMetaData aMetaData)

Constructs the EventMetaData with the properties provided by the given EventMetaData instance.

Parameters:

aMetaData - The EventMetaData instance from which to get the properties.

Method Detail

getUniversalId

public java.lang.String getUniversalId()

Specified by:

getUniversalId in interface org.refcodes.mixin.UniversalIdAccessor

getAlias

public java.lang.String getAlias()

Specified by:

getAlias in interface org.refcodes.mixin.AliasAccessor

getGroup

public java.lang.String getGroup()

Specified by:

getGroup in interface org.refcodes.mixin.GroupAccessor

getChannel

public java.lang.String getChannel()

Specified by:

getChannel in interface org.refcodes.mixin.ChannelAccessor

getPublisherType

public java.lang.Class<?> getPublisherType()

The least common denominator in event Meta-Data is the type of the publisher which gives a hint on the source of the event.

Specified by:

getPublisherType in interface EventMetaData

Returns:

The type of the publisher who published the event.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object