public class DefaultComponent extends Object implements Component, Adaptable
| Modifier and Type | Field and Description | 
|---|---|
protected Long | 
lastModified  | 
protected String | 
name  | 
| Constructor and Description | 
|---|
DefaultComponent()  | 
| Modifier and Type | Method and Description | 
|---|---|
void | 
activate(ComponentContext context)
Activates the component. 
 | 
void | 
deactivate(ComponentContext context)
Deactivates the component. 
 | 
<T> T | 
getAdapter(Class<T> adapter)
Returns an object which is an instance of the given class associated with this object. 
 | 
protected <T extends Descriptor> | 
getDescriptor(String xp,
             String id)  | 
protected <T extends Descriptor> | 
getDescriptors(String xp)  | 
Long | 
getLastModified()
Returns the last modification timestamp or null if unknown. 
 | 
protected DescriptorRegistry | 
getRegistry()  | 
protected boolean | 
register(String xp,
        Descriptor descriptor)  | 
void | 
registerContribution(Object contribution,
                    String xp,
                    ComponentInstance component)  | 
void | 
registerExtension(Extension extension)
Registers the given extension. 
 | 
void | 
setLastModified(Long lastModified)
Sets the last modified date. 
 | 
protected void | 
setModifiedNow()
Sets the last modified date to current date timestamp 
 | 
void | 
setName(String name)
Sets the name for this component, as it was defined in its XML. 
 | 
void | 
start(ComponentContext context)
Start the component. 
 | 
void | 
stop(ComponentContext context)
Stop the component. 
 | 
protected boolean | 
unregister(String xp,
          Descriptor descriptor)  | 
void | 
unregisterContribution(Object contribution,
                      String xp,
                      ComponentInstance component)  | 
void | 
unregisterExtension(Extension extension)
Unregisters the given extension. 
 | 
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitapplicationStarted, getApplicationStartedOrderprotected Long lastModified
public DefaultComponent()
public void setName(String name)
ComponentThis is called once after construction by the runtime framework.
public void activate(ComponentContext context)
ComponentThis method is called by the runtime when a component is activated.
public void deactivate(ComponentContext context)
ComponentThis method is called by the runtime when a component is deactivated.
deactivate in interface Componentcontext - the runtime contextpublic void registerExtension(Extension extension)
ExtensibleregisterExtension in interface Extensibleextension - the extension to registerpublic void unregisterExtension(Extension extension)
ExtensibleunregisterExtension in interface Extensibleextension - the extension to unregisterpublic void registerContribution(Object contribution, String xp, ComponentInstance component)
public void unregisterContribution(Object contribution, String xp, ComponentInstance component)
public <T> T getAdapter(Class<T> adapter)
Adaptablenull
 if no such object can be found.getAdapter in interface Adaptableadapter - the adapter class to look upnull if this object does not have an adapter for
         the given classpublic void start(ComponentContext context)
Componentpublic void stop(ComponentContext context) throws InterruptedException
Componentstop in interface ComponentInterruptedExceptionprotected void setModifiedNow()
public Long getLastModified()
TimestampedServiceThis method is useful for third-party code implementing caching on resources held by the component/service.
getLastModified in interface TimestampedServiceTimestampedService.setLastModified(Long)public void setLastModified(Long lastModified)
TimestampedServiceThis method is supposed to be called whenever the component/service resources or state changes.
setLastModified in interface TimestampedServiceTimestampedService.getLastModified()protected DescriptorRegistry getRegistry()
protected boolean register(String xp, Descriptor descriptor)
protected boolean unregister(String xp, Descriptor descriptor)
protected <T extends Descriptor> T getDescriptor(String xp, String id)
protected <T extends Descriptor> List<T> getDescriptors(String xp)
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