org.apache.tapestry5.internal.webresources

Class ContentChangeTracker

java.lang.Object

org.apache.tapestry5.internal.webresources.ContentChangeTracker

All Implemented Interfaces:

ResourceDependencies

public class ContentChangeTracker
extends java.lang.Object
implements ResourceDependencies

Manages a collection of Resources and can check to see if any resource's actual content has changed.

Since:

5.4

Constructor Summary

Constructors

Constructor and Description
ContentChangeTracker()

Method Summary

Modifier and Type	Method and Description
void	addDependency(Resource dependency) Marks the dependency as an additional resource.
boolean	dirty() Checks all resources tracked by this instance and returns true if any resource's content has changed.

Methods inherited from class java.lang.Object

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

Constructor Detail

ContentChangeTracker

public ContentChangeTracker()

Method Detail

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

dirty

public boolean dirty()
              throws java.io.IOException

Checks all resources tracked by this instance and returns true if any resource's content has changed.

Returns:

true if a change has occurred

Throws:

java.io.IOException