/**
* Constructor.
*
* @param model The parent locator model. Must not be <code>null</code>.
* @param peer The peer. Must not be <code>null</code>.
*/
public PeerModel(ILocatorModel model, IPeer peer) {
super();
Assert.isNotNull(model);
this.model = model;
Assert.isNotNull(peer);
// Set the default properties before enabling the change events.
// The properties changed listeners should not be called from the
// constructor.
setProperty(IPeerModelProperties.PROP_INSTANCE, peer);
// Initialize the peer id
peerId = peer.getID();
Assert.isNotNull(peerId);
// Peer model nodes can change the node parent at any time
allowSetParentOnNonNullParent = true;
// Peer model nodes does not have a parent by default
// -> allow change events with null parent
suppressEventsOnNullParent = false;
// Enable change events
setChangeEventsEnabled(true);
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.persistence.interfaces.IPersistableURIProvider#getURI(java.lang.Object)
*/
@Override
public URI getURI(final Object context) {
Assert.isNotNull(context);
URI uri = null;
final IPeer peer = getPeer(context);
if (peer != null) {
// Get the URI the peer model has been created from
final AtomicReference<URI> nodeURI = new AtomicReference<URI>();
final AtomicReference<Version> version = new AtomicReference<Version>();
Runnable runnable =
new Runnable() {
@Override
public void run() {
String value = peer.getAttributes().get(IPersistableNodeProperties.PROPERTY_URI);
if (value != null && !"".equals(value.trim())) { // $NON-NLS-1$
nodeURI.set(URI.create(value.trim()));
}
value = peer.getAttributes().get(IPeerProperties.PROP_VERSION);
version.set(value != null ? new Version(value.trim()) : null);
}
};
if (Protocol.isDispatchThread()) {
runnable.run();
} else {
Protocol.invokeAndWait(runnable);
}
if (nodeURI.get() != null) {
uri = nodeURI.get();
}
if (uri == null) {
String baseName = peer.getName();
if (baseName == null) {
baseName = peer.getID();
}
String name = makeValidFileSystemName(baseName);
// Get the URI from the name
uri = getRoot().append(name + ".peer").toFile().toURI(); // $NON-NLS-1$
try {
File file = new File(uri.normalize());
int i = 0;
while (file.exists()) {
name =
makeValidFileSystemName(
baseName
+ (version.get() != null ? "_" + version.get().toString() : "")
+ //$NON-NLS-1$ //$NON-NLS-2$
(i > 0 ? " (" + i + ")" : "")); // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
uri = getRoot().append(name + ".peer").toFile().toURI(); // $NON-NLS-1$
file = new File(uri.normalize());
i++;
}
} catch (Exception e) {
}
}
}
return uri;
}
