org.jboss.metadata.spi
Interface MetaData

All Known Implementing Classes:

MetaDataRetrievalToMetaDataBridge

public interface MetaData

MetaData.

Version:

$Revision: 65047 $

Author:

Adrian Brock

Field Summary

static Annotation[]	NO_ANNOTATIONS No annotations
static Object[]	NO_METADATA No meta data

Method Summary

<T extends Annotation> T	getAnnotation(Class<T> annotationType) Get annotation
Annotation[]	getAnnotations() Get all the annotations
MetaData	getComponentMetaData(Signature signature) Get the component metadata
Annotation[]	getLocalAnnotations() Get all the local annotations
Object[]	getLocalMetaData() Get all the local metadata
Object[]	getMetaData() Get all the metadata
<T> T	getMetaData(Class<T> type) Get metadata
Object	getMetaData(String name) Get metadata
<T> T	getMetaData(String name, Class<T> type) Get metadata
MetaData	getScopeMetaData(ScopeLevel level) Get the scope metadata.
long	getValidTime() Get the valid time
boolean	isAnnotationPresent(Class<? extends Annotation> annotationType) Is the annotation present?
boolean	isEmpty() Is metadata empty.
boolean	isMetaDataPresent(Class<?> type) Is the metadata present
boolean	isMetaDataPresent(String name) Is the metadata present
boolean	isMetaDataPresent(String name, Class<?> type) Is the metadata present

Field Detail

NO_ANNOTATIONS

static final Annotation[] NO_ANNOTATIONS

No annotations

NO_METADATA

static final Object[] NO_METADATA

No meta data

Method Detail

getValidTime

long getValidTime()

Get the valid time

Returns:

the valid time

getAnnotation

<T extends Annotation> T getAnnotation(Class<T> annotationType)

Get annotation

Type Parameters:

T - the annotation type

Parameters:

annotationType - the annotation type

Returns:

the annotation or null if not present

getAnnotations

Annotation[] getAnnotations()

Get all the annotations

Returns:

the annotations

getLocalAnnotations

Annotation[] getLocalAnnotations()

Get all the local annotations

Returns:

the annotations

isAnnotationPresent

boolean isAnnotationPresent(Class<? extends Annotation> annotationType)

Is the annotation present?

Parameters:

annotationType - the annotation type

Returns:

true when present

getMetaData

<T> T getMetaData(Class<T> type)

Get metadata

Type Parameters:

T - the metadata type

Parameters:

type - the type

Returns:

the metadata or null if not present

getMetaData

Object[] getMetaData()

Get all the metadata

Returns:

the metadata

getLocalMetaData

Object[] getLocalMetaData()

Get all the local metadata

Returns:

the metadata

isMetaDataPresent

boolean isMetaDataPresent(Class<?> type)

Is the metadata present

Parameters:

type - the type of the meta data

Returns:

true when the metadata is present

getMetaData

Object getMetaData(String name)

Get metadata

Parameters:

name - the name of the meta data

Returns:

the metadata or null if not present

getMetaData

<T> T getMetaData(String name,
                  Class<T> type)

Get metadata

Type Parameters:

T - the metadata type

Parameters:

name - the name of the meta data

type - the expected type of the metadata

Returns:

the metadata or null if not present

isMetaDataPresent

boolean isMetaDataPresent(String name)

Is the metadata present

Parameters:

name - the name of the meta data

Returns:

true when the metadata is present

isMetaDataPresent

boolean isMetaDataPresent(String name,
                          Class<?> type)

Is the metadata present

Parameters:

name - the name of the meta data

type - the expected type of the metadata

Returns:

true when the metadata is present

getComponentMetaData

MetaData getComponentMetaData(Signature signature)

Get the component metadata

Parameters:

signature - the signature

Returns:

the component metadata

getScopeMetaData

MetaData getScopeMetaData(ScopeLevel level)

Get the scope metadata.

Parameters:

level - the scope level

Returns:

the scope metadata

isEmpty

boolean isEmpty()

Is metadata empty.

Returns:

true if empty