org.apache.tapestry5.internal.services.assets
Class ResourceChangeTrackerImpl

java.lang.Object
  org.apache.tapestry5.internal.event.InvalidationEventHubImpl
      org.apache.tapestry5.internal.services.assets.ResourceChangeTrackerImpl

All Implemented Interfaces:

ResourceChangeTracker, ResourceDependencies, InvalidationEventHub, UpdateListener

public class ResourceChangeTrackerImpl
extends InvalidationEventHubImpl
implements ResourceChangeTracker, UpdateListener

Constructor Summary

ResourceChangeTrackerImpl(ClasspathURLConverter classpathURLConverter, boolean productionMode)

Method Summary

void	addDependency(Resource dependency) Marks the dependency as an additional resource.
void	checkForUpdates() Invoked to force the receiver to check for updates to whatever underlying resources it makes use of.
void	registerWithUpdateListenerHub(UpdateListenerHub hub)
long	trackResource(Resource resource) Start tracking the resource (or return the last modified time of an already tracked resource).

Methods inherited from class org.apache.tapestry5.internal.event.InvalidationEventHubImpl

addInvalidationListener, fireInvalidationEvent

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.tapestry5.services.InvalidationEventHub

addInvalidationListener

Constructor Detail

ResourceChangeTrackerImpl

public ResourceChangeTrackerImpl(ClasspathURLConverter classpathURLConverter,
                                 @Symbol(value="tapestry.production-mode")
                                 boolean productionMode)

Method Detail

registerWithUpdateListenerHub

@PostInjection
public void registerWithUpdateListenerHub(UpdateListenerHub hub)

trackResource

public long trackResource(Resource resource)

Description copied from interface: ResourceChangeTracker

Start tracking the resource (or return the last modified time of an already tracked resource). Only file system resources are tracked. Resources are tracked until any resource changes, at which points listeners are notified and the internal state is cleared.

Specified by:

trackResource in interface ResourceChangeTracker

Parameters:

resource - to track

Returns:

last modified time, to nearest second

See Also:

URLChangeTracker

addDependency

public void addDependency(Resource dependency)

Description copied from interface: ResourceDependencies

Marks the dependency as an additional resource. A change to the dependency is considered the same as a change to the resource being transformed.

Specified by:

addDependency in interface ResourceDependencies

checkForUpdates

public void checkForUpdates()

Description copied from interface: UpdateListener

Invoked to force the receiver to check for updates to whatever underlying resources it makes use of.

Specified by:

checkForUpdates in interface UpdateListener