org.jboss.metadata.plugins.context
Class CachingMetaDataContext

java.lang.Object
  org.jboss.metadata.plugins.context.AbstractMetaDataContext
      org.jboss.metadata.plugins.context.CachingMetaDataContext

All Implemented Interfaces:

MetaDataContext, MetaDataRetrieval

public class CachingMetaDataContext
extends AbstractMetaDataContext

CachingMetaDataContext. TODO JBMICROCONT-120 LRU Cache

Version:

$Revision: 69888 $

Author:

Adrian Brock

Constructor Summary

CachingMetaDataContext(MetaDataContext parent, List<MetaDataRetrieval> retrievals)
Create a new CachingMetaDataContext.

CachingMetaDataContext(MetaDataContext parent, MetaDataRetrieval retrieval)
Create a new CachingMetaDataContext.

CachingMetaDataContext(MetaDataRetrieval retrieval)
Create a new CachingMetaDataContext.

Method Summary

void	append(MetaDataRetrieval retrieval) Append a meta data retrieval
protected MetaDataRetrieval	getCachedScopedRetrieval(ScopeLevel level, boolean update) Get the cached scoped retireval.
MetaDataRetrieval	getComponentMetaDataRetrieval(Signature signature) Get the component metadata retrieval
MetaDataRetrieval	getScopedRetrieval(ScopeLevel level) Get scoped retrieval for level param.
boolean	isEmpty() Is metadata empty.
void	prepend(MetaDataRetrieval retrieval) Prepend a meta data retrieval
void	remove(MetaDataRetrieval retrieval) Remove a meta data retrieval
<T extends Annotation> AnnotationItem<T>	retrieveAnnotation(Class<T> annotationType) Get annotation
AnnotationsItem	retrieveAnnotations() Get all the annotations
MetaDatasItem	retrieveMetaData() Get all the metadata
<T> MetaDataItem<T>	retrieveMetaData(Class<T> type) Get metadata
MetaDataItem<?>	retrieveMetaData(String name) Get metadata

Methods inherited from class org.jboss.metadata.plugins.context.AbstractMetaDataContext

getLocalRetrievals, getParent, getRetrievals, getScope, getValidTime, retrieveLocalAnnotations, retrieveLocalMetaData

Methods inherited from class java.lang.Object

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

Constructor Detail

CachingMetaDataContext

public CachingMetaDataContext(MetaDataRetrieval retrieval)

Create a new CachingMetaDataContext.

Parameters:

retrieval - the retrieval

CachingMetaDataContext

public CachingMetaDataContext(MetaDataContext parent,
                              MetaDataRetrieval retrieval)

Create a new CachingMetaDataContext.

Parameters:

parent - the parent

retrieval - the retrieval

CachingMetaDataContext

public CachingMetaDataContext(MetaDataContext parent,
                              List<MetaDataRetrieval> retrievals)

Create a new CachingMetaDataContext.

Parameters:

parent - the parent

retrievals - the retrievals

Method Detail

retrieveAnnotations

public AnnotationsItem retrieveAnnotations()

Description copied from interface: MetaDataRetrieval

Get all the annotations

Specified by:

retrieveAnnotations in interface MetaDataRetrieval

Overrides:

retrieveAnnotations in class AbstractMetaDataContext

Returns:

the annotations

retrieveAnnotation

public <T extends Annotation> AnnotationItem<T> retrieveAnnotation(Class<T> annotationType)

Description copied from interface: MetaDataRetrieval

Get annotation

Specified by:

retrieveAnnotation in interface MetaDataRetrieval

Overrides:

retrieveAnnotation in class AbstractMetaDataContext

Type Parameters:

T - the annotation type

Parameters:

annotationType - the annotation type

Returns:

the annotation or null if not present

retrieveMetaData

public MetaDatasItem retrieveMetaData()

Description copied from interface: MetaDataRetrieval

Get all the metadata

Specified by:

retrieveMetaData in interface MetaDataRetrieval

Overrides:

retrieveMetaData in class AbstractMetaDataContext

Returns:

the metadata

retrieveMetaData

public <T> MetaDataItem<T> retrieveMetaData(Class<T> type)

Description copied from interface: MetaDataRetrieval

Get metadata

Specified by:

retrieveMetaData in interface MetaDataRetrieval

Overrides:

retrieveMetaData in class AbstractMetaDataContext

Type Parameters:

T - the metadata type

Parameters:

type - the type

Returns:

the metadata or null if not present

retrieveMetaData

public MetaDataItem<?> retrieveMetaData(String name)

Description copied from interface: MetaDataRetrieval

Get metadata

Specified by:

retrieveMetaData in interface MetaDataRetrieval

Overrides:

retrieveMetaData in class AbstractMetaDataContext

Parameters:

name - the name of the meta data

Returns:

the metadata or null if not present

append

public void append(MetaDataRetrieval retrieval)

Description copied from interface: MetaDataContext

Append a meta data retrieval

Specified by:

append in interface MetaDataContext

Overrides:

append in class AbstractMetaDataContext

Parameters:

retrieval - the meta data retrieval

prepend

public void prepend(MetaDataRetrieval retrieval)

Description copied from interface: MetaDataContext

Prepend a meta data retrieval

Specified by:

prepend in interface MetaDataContext

Overrides:

prepend in class AbstractMetaDataContext

Parameters:

retrieval - the meta data retrieval

remove

public void remove(MetaDataRetrieval retrieval)

Description copied from interface: MetaDataContext

Remove a meta data retrieval

Specified by:

remove in interface MetaDataContext

Overrides:

remove in class AbstractMetaDataContext

Parameters:

retrieval - the meta data retrieval

getComponentMetaDataRetrieval

public MetaDataRetrieval getComponentMetaDataRetrieval(Signature signature)

Description copied from interface: MetaDataRetrieval

Get the component metadata retrieval

Specified by:

getComponentMetaDataRetrieval in interface MetaDataRetrieval

Overrides:

getComponentMetaDataRetrieval in class AbstractMetaDataContext

Parameters:

signature - the signature

Returns:

the component metadata retrieval

isEmpty

public boolean isEmpty()

Description copied from interface: MetaDataRetrieval

Is metadata empty.

Specified by:

isEmpty in interface MetaDataRetrieval

Overrides:

isEmpty in class AbstractMetaDataContext

Returns:

true if metadata empty

getScopedRetrieval

public MetaDataRetrieval getScopedRetrieval(ScopeLevel level)

Description copied from interface: MetaDataRetrieval

Get scoped retrieval for level param.

Specified by:

getScopedRetrieval in interface MetaDataRetrieval

Overrides:

getScopedRetrieval in class AbstractMetaDataContext

Parameters:

level - the scope level

Returns:

list of retrieval instances

getCachedScopedRetrieval

protected MetaDataRetrieval getCachedScopedRetrieval(ScopeLevel level,
                                                     boolean update)

Get the cached scoped retireval.

Parameters:

level - the scope level

update - update current cache

Returns:

cached retrieval or null