Hi all,
I am a newbie to jcr. I got an introduction of jackrabbit on ONJava.com,
it showed some example code, but I am little confused by some snippet. I
think versions are stored by version history and version iterator allow you
access all the versions. So, each version object should be a snapshot of
versionable node. But in the example code(below). It seems that the
structure is:
VersionHistory --
|__ Version _
| |__Node _
| | |__Versionable Node _
| |
|__ Property
| |__Node ...
|__ Version
I am confused by the nodes under the version object(why use
version.getNodes() to access versionable node)??
Any help will be greatly appreciated!
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VersionHistory blogEntryVersionHistory = blogEntryNode.getVersionHistory();
VersionIterator blogEntryVersionIt =
blogEntryVersionHistory.getAllVersions();
blogEntryVersionIt.skip(1);
while(blogEntryVersionIt.hasNext()){
Version version = blogEntryVersionIt.nextVersion(); --> Here get a
version of blog entry
NodeIterator nodeIterator = version.getNodes(); --> what does this
mean??
while(nodeIterator.hasNext()){
Node node = nodeIterator.nextNode();
--> It seems that each node of one
version contains a versionable node??
String title =
node.getProperty(PROP_TITLE).getString();
String blogContent =
node.getProperty(PROP_BLOGCONTENT).getString();
String blogAuthor =
node.getProperty(PROP_BLOGAUTHOR).getString();
String versionName = version.getName();
Calendar creationTime =
node.getProperty(PROP_CREATIONTIME).getDate();
VersionEntryDTO blogEntryDTO = new
VersionEntryDTO(blogAuthor,title,blogContent,creationTime,versionName);
versionList.add(blogEntryDTO);
}
}
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