Meaning of ProviderContext methods.

Hello,
In viewing the java docs for the ProviderContext there are two methods that do not have any documentation provided and I believe they are the methods that I have been looking for. The methods in question are:
refresh() and allContentChanged()/contentChanged(String channelName)
Could SUN please provide an explaination as to what these methods do. I would have expected them to flush the "refresh cache" that you can set at the individual channel level. But it seems that they are not performing as expected. I have a custom provider that has the "refreshTime' set to 120 (seconds). If I make a change to the properties in the provider profile those changes do not take effect until 1. The refresh time is met or 2. The user logs out and logs back in again. I am calling both refresh() and allContentChanged in the processEdit method of my provider in hopes that this will cause the "desktop" cache to be flushed. Any pointers?
-matt

Within my processEdit method for my provider I am setting properties in the dp - then calling refresh - neither of these two operations is causing the desktop to flush it's cache. I will try the -1 setting and test again.
Within my provider I am calling:
setStringProperty("foo", foo);
then getPageContext().refresh();
-matt

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Edited by: kogose on Feb 23, 2009 7:13 PM

tensorfield wrote:
jverd wrote:
tensorfield wrote:
kogose wrote:
what exactly does this mean?It means you're complicating things.
If a method is synchronized, it is. You don't need to go beyond that. The method is synchronized.Not true. You have to know what it means for a method to be synchronized. Often people come in with the erroneous impression that it somehow prevents you from using or accessing the object in any other thread.It's very simple. If a synchronized method is called at the same time from many threads only one call will be executed at a time. The calls will be lined up and performed one after the other in sequence.
AND because synchronization is on a per object basis, when one synchronized method is being called from one thread, all synchronized methods of that same object are blocked for calling from other threads.
Simple as that.No, it's not that simple, and as stated, that is not correct. In particular, you didn't mention that for an instance method, all the various threads have to be trying to call instance methods on the same object in order for execution to be sequential.
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JoachimSauer wrote:
FyodorK wrote:
Image.java:8: cannot find symbol
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I've cheked the javadoc http://jtf.acm.org/javadoc/student/index.html and there's no mention of the method.
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The implementation changes, yes.Yes that I could understand in the Strategy Pattern (in the document I read it was being compared with the Template Pattern).
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� {�
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