org.apache.maven.repository.metadata
Class DefaultGraphConflictResolver

java.lang.Object
  org.apache.maven.repository.metadata.DefaultGraphConflictResolver

All Implemented Interfaces:

GraphConflictResolver

@Component(role=GraphConflictResolver.class)
public class DefaultGraphConflictResolver
extends Object
implements GraphConflictResolver

Default conflict resolver.Implements closer newer first policy by default, but could be configured via plexus

Version:

$Id: DefaultGraphConflictResolver.java 958295 2010-06-26 23:16:18Z hboutemy $

Author:

Oleg Gusakov

Field Summary

protected GraphConflictResolutionPolicy

policy artifact, closer to the entry point, is selected

Fields inherited from interface org.apache.maven.repository.metadata.GraphConflictResolver

ROLE

Constructor Summary

DefaultGraphConflictResolver()

Method Summary

MetadataGraph

resolveConflicts(MetadataGraph graph, ArtifactScopeEnum scope) Cleanses the supplied graph by leaving only one directed versioned edge\ between any two nodes, if multiple exists.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

policy

@Requirement(role=GraphConflictResolutionPolicy.class)
protected GraphConflictResolutionPolicy policy

artifact, closer to the entry point, is selected

Constructor Detail

DefaultGraphConflictResolver

public DefaultGraphConflictResolver()

Method Detail

resolveConflicts

public MetadataGraph resolveConflicts(MetadataGraph graph,
                                      ArtifactScopeEnum scope)
                               throws GraphConflictResolutionException

Description copied from interface: GraphConflictResolver

Cleanses the supplied graph by leaving only one directed versioned edge\ between any two nodes, if multiple exists. Uses scope relationships, defined in ArtifactScopeEnum

Specified by:

resolveConflicts in interface GraphConflictResolver

Parameters:

graph - the "dirty" graph to be simplified via conflict resolution

scope - scope for which the graph should be resolved

Returns:

resulting "clean" graph for the specified scope

Throws:

GraphConflictResolutionException