info.magnolia.imaging.caching
Class AbstractContentBasedCachingStrategy<P>

java.lang.Object
  info.magnolia.imaging.caching.AbstractContentBasedCachingStrategy<P>

Type Parameters:

P - type of ParameterProvider's parameter

All Implemented Interfaces:

CachingStrategy<P>

Direct Known Subclasses:

ContentBasedCachingStrategy, NodeDataBasedCachingStrategy

public abstract class AbstractContentBasedCachingStrategy<P>
extends Object
implements CachingStrategy<P>

Superclass for Content based CachingStrategies.

Version:

$Id$

Constructor Summary

AbstractContentBasedCachingStrategy()

Method Summary

String	getCachePath(ImageGenerator<ParameterProvider<P>> generator, ParameterProvider<P> parameterProvider) Returns a unique path pertinent to the given generator and parameter to use for storing the generated image.
protected abstract info.magnolia.cms.core.Content	getContent(P param)
protected abstract String	getPathOf(P param)
protected abstract String	getWorkspaceName(P param)
boolean	shouldRegenerate(info.magnolia.cms.core.NodeData cachedBinary, ParameterProvider<P> parameterProvider) The default implementation simply delegates this decision to ParameterProvider.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractContentBasedCachingStrategy

public AbstractContentBasedCachingStrategy()

Method Detail

getCachePath

public String getCachePath(ImageGenerator<ParameterProvider<P>> generator,
                           ParameterProvider<P> parameterProvider)

Description copied from interface: CachingStrategy

Returns a unique path pertinent to the given generator and parameter to use for storing the generated image.

Specified by:

getCachePath in interface CachingStrategy<P>

shouldRegenerate

public boolean shouldRegenerate(info.magnolia.cms.core.NodeData cachedBinary,
                                ParameterProvider<P> parameterProvider)

The default implementation simply delegates this decision to ParameterProvider.

Specified by:

shouldRegenerate in interface CachingStrategy<P>

Returns:

true if the image should be regenerated.

getWorkspaceName

protected abstract String getWorkspaceName(P param)

getContent

protected abstract info.magnolia.cms.core.Content getContent(P param)

getPathOf

protected abstract String getPathOf(P param)