protected void checkDuplicateResources(CDORevision revision) throws IllegalStateException {
final long folderID = CDOIDUtil.getLong((CDOID) revision.data().getContainerID());
final long revisionID = CDOIDUtil.getLong(revision.getID());
final String name =
(String) revision.data().get(EresourcePackage.eINSTANCE.getCDOResourceNode_Name(), 0);
ObjectSet<DB4ORevision> resultSet =
getObjectContainer()
.query(
new Predicate<DB4ORevision>() {
private static final long serialVersionUID = 1L;
@Override
public boolean match(DB4ORevision revision) {
if (revision.isResourceNode()
&& ObjectUtil.equals(revision.getContainerID(), folderID)) {
String candidateName =
(String) revision.getValues().get(EresourcePackage.CDO_RESOURCE__NAME);
if (StringUtil.compare(name, candidateName) == 0) {
if (!ObjectUtil.equals(revision.getID(), revisionID)) {
return true;
}
}
}
return false;
}
});
if (!resultSet.isEmpty()) {
throw new IllegalStateException(
"Duplicate resource or folder: "
+ name
+ " in folder "
+ folderID); //$NON-NLS-1$ //$NON-NLS-2$
}
}
