Package org.eclipse.aether.util.graph.transformer

Interface ConfigurableVersionSelector.SelectionStrategy

All Known Implementing Classes:

ConfigurableVersionSelector.Highest, ConfigurableVersionSelector.MajorVersionConvergence, ConfigurableVersionSelector.Nearest, ConfigurableVersionSelector.VersionConvergence

Enclosing class:

ConfigurableVersionSelector

public static interface ConfigurableVersionSelector.SelectionStrategy

The strategy how "winner" is being selected.

Method Summary

Modifier and Type	Method	Description
boolean	isBetter(ConflictResolver.ConflictItem candidate, ConflictResolver.ConflictItem winner)	Invoked for every "candidate" when winner is already set (very first candidate is set as winner).
default ConflictResolver.ConflictItem	winnerSelected(ConflictResolver.ConflictItem winner, Collection<ConflictResolver.ConflictItem> candidates, ConflictResolver.ConflictContext context)	Method invoked at version selection end, just before version selector returns.

Method Details

isBetter

boolean isBetter(ConflictResolver.ConflictItem candidate,
 ConflictResolver.ConflictItem winner)

Invoked for every "candidate" when winner is already set (very first candidate is set as winner).

This method should determine is candidate "better" or not and should replace current winner. This method is invoked whenever candidate is "considered" (fits any constraint in effect, if any).

winnerSelected

default ConflictResolver.ConflictItem winnerSelected(ConflictResolver.ConflictItem winner,
 Collection<ConflictResolver.ConflictItem> candidates,
 ConflictResolver.ConflictContext context)
                                              throws UnsolvableVersionConflictException

Method invoked at version selection end, just before version selector returns. Note: winner may be null, while the rest of parameters cannot. The parameter candidates contains all the "considered candidates", dependencies that fulfil all constraints, if present. The context on the other hand contains all items participating in conflict.

This method by default just returns the passed in winner, but can do much more.

Throws:

UnsolvableVersionConflictException