org.webmacro.resource
Class TimedReloadContext
java.lang.Object
|
+--org.webmacro.resource.CacheReloadContext
|
+--org.webmacro.resource.TimedReloadContext
- public class TimedReloadContext
- extends CacheReloadContext
TimedReloadContext acts as an Decorator for Reload context to support
cache resources that are expensive to check for change. An example is a
resource fetch via the network, but could also be a file.
It is constructed with a reference to another CacheReloadContext and an interval.
Its shouldReload() method will pass calls to the referenced CacheReloadContext, but
will take sure, that this is done only once in the specified interval. In all other
cases it will return "false", to indicate, that the resource should not be reloaded.
- Since:
- 0.96
- Author:
- skanthak@muehlheim.de
Method Summary |
boolean |
shouldReload()
Check, whether the underlying resource should be reloaded. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
TimedReloadContext
public TimedReloadContext(CacheReloadContext reloadContext,
long checkInterval)
- Construct a new TimedReloadContext decorator.
This is just a wrapper object for another CacheReloadContext, ensuring
that the shouldReload() method of the refrenced reload context is only
called once per checkInterval milliseconds.
- Parameters:
reloadContext
- reload context to wrap aroundcheckInterval
- interval to check for reload at most in milliseconds
shouldReload
public boolean shouldReload()
- Check, whether the underlying resource should be reloaded.
This method will simply call the shouldReload() method of the
referenced reload context, except when this method was called
again in the last checkInterval milliseconds. In this case,
this method will simply return false.
- Overrides:
shouldReload
in class CacheReloadContext
- Returns:
- whether resource should be reloaded.