Package org.vast.ogc.xlink

Class CachedReference<T>

java.lang.Object

org.vast.ogc.xlink.SimpleLink<T>

org.vast.ogc.xlink.CachedReference<T>

Type Parameters:

T - Type of the link target object

All Implemented Interfaces:

IXlinkReference<T>

Direct Known Subclasses:

FeatureRef

public class CachedReference<T>
extends SimpleLink<T>
implements IXlinkReference<T>

Implementation of Xlink Reference that keeps a cached version of the target. Object is cached on the first call to getTarget(). Reloading the target object can be enforced by calling refresh().

Since:

Sep 28, 2012

Field Summary

Fields

Modifier and Type	Field	Description
protected IReferenceResolver<? extends T>	resolver
protected T	value

Fields inherited from class org.vast.ogc.xlink.SimpleLink

arcRole, href, role, title

Constructor Summary

Constructors

Constructor	Description
CachedReference()
CachedReference(String href)
CachedReference(String href, IReferenceResolver<T> resolver)
CachedReference(IReferenceResolver<? extends T> resolver)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
protected T	fetchTarget(String href)
String	getArcRole()
T	getTarget()
String	getTargetUID()
int	hashCode()
void	refresh()
void	setResolver(IReferenceResolver<? extends T> resolver)
void	setTargetUID(String targetUID)

Methods inherited from class org.vast.ogc.xlink.SimpleLink

getHref, getMediaType, getRole, getTargetInterface, getTitle, setArcRole, setHref, setMediaType, setRole, setTargetInterface, setTitle

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.vast.ogc.xlink.IXlinkReference

getHref, getMediaType, getRole, getTargetInterface, getTitle, setArcRole, setHref, setMediaType, setRole, setTargetInterface, setTitle

Field Details

value

protected transient T value

resolver

protected transient IReferenceResolver<? extends T> resolver

Constructor Details

CachedReference

public CachedReference()

CachedReference

public CachedReference(String href)

CachedReference

public CachedReference(IReferenceResolver<? extends T> resolver)

CachedReference

public CachedReference(String href,
 IReferenceResolver<T> resolver)

Method Details

getArcRole

public String getArcRole()

Specified by:

getArcRole in interface IXlinkReference<T>

Overrides:

getArcRole in class SimpleLink<T>

getTargetUID

public String getTargetUID()

Specified by:

getTargetUID in interface IXlinkReference<T>

Overrides:

getTargetUID in class SimpleLink<T>

setTargetUID

public void setTargetUID(String targetUID)

Specified by:

setTargetUID in interface IXlinkReference<T>

Overrides:

setTargetUID in class SimpleLink<T>

getTarget

public T getTarget()

Specified by:

getTarget in interface IXlinkReference<T>

Overrides:

getTarget in class SimpleLink<T>

setResolver

public void setResolver(IReferenceResolver<? extends T> resolver)

refresh

public void refresh()
             throws IOException

Throws:

IOException

fetchTarget

protected T fetchTarget(String href)
                 throws IOException

Throws:

IOException

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object