JGit 7.2.0.202503040940-r · org.eclipse.jgit.internal.revwalk.PedestrianReachabilityChecker

public Class PedestrianReachabilityChecker

Checks the reachability walking the graph from the starters towards the target.

Field Summary

Modifier and Type	Field and Description
private final boolean	topoSort
private final RevWalk	walk

Access	Constructor and Description
public	PedestrianReachabilityChecker(boolean walk commits in topological order topoSort, RevWalk RevWalk instance to reuse. Caller retains ownership. walk) New instance of the reachability checker using a existing walk.

Modifier and Type	Method and Description
public Optional<RevCommit>	areAllReachable(Collection<RevCommit> commits to reach. targets, Stream<RevCommit> known starting points. starters) Implements org.eclipse.jgit.revwalk.ReachabilityChecker.areAllReachable. Check if all targets are reachable from the `starters` commits.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

topoSort	back to summary
private final boolean topoSort

walk	back to summary
private final RevWalk walk

PedestrianReachabilityChecker	back to summary
public PedestrianReachabilityChecker(boolean topoSort, RevWalk walk) New instance of the reachability checker using a existing walk. Parameters topoSort:boolean walk commits in topological order walk:RevWalk RevWalk instance to reuse. Caller retains ownership.

PedestrianReachabilityChecker

public PedestrianReachabilityChecker(boolean topoSort, RevWalk walk)

New instance of the reachability checker using a existing walk.

Parameters

areAllReachable back to summary

areAllReachable	back to summary
public Optional<RevCommit> areAllReachable(Collection<RevCommit> targets, Stream<RevCommit> starters) throws MissingObjectException, IncorrectObjectTypeException, IOException Implements org.eclipse.jgit.revwalk.ReachabilityChecker.areAllReachable. Doc from org.eclipse.jgit.revwalk.ReachabilityChecker.areAllReachable. Check if all targets are reachable from the `starters` commits. Caller should parse the objectIds (preferably with `walk.parseCommit()` and handle missing/incorrect type objects before calling this method. Parameters targets:Collection<RevCommit> commits to reach. starters:Stream<RevCommit> known starting points. Returns:Optional<RevCommit> An unreachable target if at least one of the targets is unreachable. An empty optional if all targets are reachable from the starters. Annotations @Override Exceptions 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.

Check if all targets are reachable from the starters commits.

Caller should parse the objectIds (preferably with walk.parseCommit() and handle missing/incorrect type objects before calling this method.

Parameters

An unreachable target if at least one of the targets is unreachable. An empty optional if all targets are reachable from the starters.

Annotations

Exceptions

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.