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Remove DeleteUnlinkedIter

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Because the code is not used.

Signed-off-by: Matthias Beyer <mail@beyermatthias.de>
This commit is contained in:
Matthias Beyer 2019-04-13 22:16:32 +02:00
parent 0283c3af7a
commit 1f515b1d0d
1 changed files with 0 additions and 48 deletions
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48
lib/entry/libimagentrylink/src/internal.rs
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@ -237,12 +237,6 @@ pub mod iter {
GetIter(i, store)
}
/// Turn this iterator into a LinkGcIter, which `Store::delete()`s entries that are not
/// linked to any other entry.
pub fn delete_unlinked(self) -> DeleteUnlinkedIter<'a> {
DeleteUnlinkedIter(self)
}
/// Turn this iterator into a FilterLinksIter that removes all entries that are not linked
/// to any other entry, by filtering them out the iterator.
///
@ -333,48 +327,6 @@ pub mod iter {
}
/// An iterator that removes all Items from the iterator that are not linked anymore by calling
/// `Store::delete()` on them.
///
/// It yields only items which are somehow linked to another entry
///
/// # Warning
///
/// Deletes entries from the store.
///
pub struct DeleteUnlinkedIter<'a>(GetIter<'a>);
impl<'a> Iterator for DeleteUnlinkedIter<'a> {
type Item = Result<FileLockEntry<'a>>;
fn next(&mut self) -> Option<Self::Item> {
use internal::InternalLinker;
loop {
match self.0.next() {
Some(Ok(fle)) => {
let links = match fle.get_internal_links() {
Err(e) => return Some(Err(e)),
Ok(links) => links,
};
if links.count() == 0 {
match self.0.store().delete(fle.get_location().clone()) {
Ok(x) => x,
Err(e) => return Some(Err(e).map_err(From::from)),
}
} else {
return Some(Ok(fle));
}
},
Some(Err(e)) => return Some(Err(e)),
None => break,
}
}
None
}
}
}
impl InternalLinker for Entry {