Class PedestrianReachabilityChecker
- java.lang.Object
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- org.eclipse.jgit.internal.revwalk.PedestrianReachabilityChecker
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- All Implemented Interfaces:
ReachabilityChecker
public class PedestrianReachabilityChecker extends Object implements ReachabilityChecker
Checks the reachability walking the graph from the starters towards the target.
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Constructor Summary
Constructors Constructor Description PedestrianReachabilityChecker(boolean topoSort, RevWalk walk)
New instance of the reachability checker using a existing walk.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description Optional<RevCommit>
areAllReachable(Collection<RevCommit> targets, Stream<RevCommit> starters)
Check if all targets are reachable from thestarter
commits.-
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface org.eclipse.jgit.revwalk.ReachabilityChecker
areAllReachable
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Constructor Detail
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PedestrianReachabilityChecker
public PedestrianReachabilityChecker(boolean topoSort, RevWalk walk)
New instance of the reachability checker using a existing walk.- Parameters:
topoSort
- walk commits in topological orderwalk
- RevWalk instance to reuse. Caller retains ownership.
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Method Detail
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areAllReachable
public Optional<RevCommit> areAllReachable(Collection<RevCommit> targets, Stream<RevCommit> starters) throws MissingObjectException, IncorrectObjectTypeException, IOException
Description copied from interface:ReachabilityChecker
Check if all targets are reachable from thestarter
commits.Caller should parse the objectIds (preferably with
walk.parseCommit()
and handle missing/incorrect type objects before calling this method.- Specified by:
areAllReachable
in interfaceReachabilityChecker
- Parameters:
targets
- commits to reach.starters
- known starting points.- Returns:
- An unreachable target if at least one of the targets is unreachable. An empty optional if all targets are reachable from the starters.
- Throws:
MissingObjectException
- if any of the incoming objects doesn't exist in the repository.IncorrectObjectTypeException
- if any of the incoming objects is not a commit or a tag.IOException
- if any of the underlying indexes or readers can not be opened.
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