private static Map<Tuples._2<SNodeId, String>, List<NodeGroupChange>> arrangeNodeGroupChanges(
ChangeSet changeSet) {
Map<Tuples._2<SNodeId, String>, List<NodeGroupChange>> nodeRoleToGroupChanges =
MapSequence.fromMap(new HashMap<Tuples._2<SNodeId, String>, List<NodeGroupChange>>());
for (NodeGroupChange change :
Sequence.fromIterable(changeSet.getModelChanges(NodeGroupChange.class))) {
Tuples._2<SNodeId, String> nodeRole =
MultiTuple.<SNodeId, String>from(change.getParentNodeId(), change.getRole());
if (!(MapSequence.fromMap(nodeRoleToGroupChanges).containsKey(nodeRole))) {
MapSequence.fromMap(nodeRoleToGroupChanges)
.put(nodeRole, ListSequence.fromList(new ArrayList<NodeGroupChange>()));
}
ListSequence.fromList(MapSequence.fromMap(nodeRoleToGroupChanges).get(nodeRole))
.addElement(change);
}
return nodeRoleToGroupChanges;
}
private static Iterable<SNodeId> getNodeIdsForNodeGroupChange(
@NotNull NodeGroupChange ngc,
@Nullable Tuples._2<SNodeId, List<SNodeId>> lastParentAndNewChildrenIds) {
List<SNodeId> childrenIds;
if (lastParentAndNewChildrenIds == null
|| neq_5iuzi5_a0a1a72(lastParentAndNewChildrenIds._0(), ngc.getParentNodeId())) {
List<? extends SNode> children =
IterableUtil.asList(
ngc.getChangeSet()
.getNewModel()
.getNode(ngc.getParentNodeId())
.getChildren(ngc.getRole()));
childrenIds =
ListSequence.fromList(children)
.select(
new ISelector<SNode, SNodeId>() {
public SNodeId select(SNode n) {
return n.getNodeId();
}
})
.toListSequence();
} else {
childrenIds = lastParentAndNewChildrenIds._1();
}
return ListSequence.fromList(childrenIds).page(ngc.getResultBegin(), ngc.getResultEnd());
}
private void collectConflicts() {
Map<Tuples._2<SNodeId, String>, List<NodeGroupChange>> mineGroupChanges =
arrangeNodeGroupChanges(myMineChangeSet);
Map<Tuples._2<SNodeId, String>, List<NodeGroupChange>> repositoryGroupChanges =
arrangeNodeGroupChanges(myRepositoryChangeSet);
for (Tuples._2<SNodeId, String> nodeRole :
SetSequence.fromSet(MapSequence.fromMap(mineGroupChanges).keySet())
.intersect(SetSequence.fromSet(MapSequence.fromMap(repositoryGroupChanges).keySet()))) {
List<NodeGroupChange> mine = MapSequence.fromMap(mineGroupChanges).get(nodeRole);
List<NodeGroupChange> repository = MapSequence.fromMap(repositoryGroupChanges).get(nodeRole);
// This is a quadratic algorithm, it can be optimized to linear,
// but it is left for simplicity
for (NodeGroupChange m : ListSequence.fromList(mine)) {
for (NodeGroupChange r : ListSequence.fromList(repository)) {
if (m.getEnd() < r.getBegin() || m.getBegin() > r.getEnd()) {
// ok
} else {
if (nodeGroupChangesSymmetric(m, r)) {
addSymmetric(m, r);
} else {
addPossibleConflict(m, r);
}
}
}
}
}
collectGroupChangesWithOthersConflicts(
mineGroupChanges, myMineChangeSet, myRepositoryChangeSet);
collectGroupChangesWithOthersConflicts(
repositoryGroupChanges, myRepositoryChangeSet, myMineChangeSet);
collectPropertyConflicts();
collectReferenceConflicts();
collectSymmetricRootDeletes();
collectConflictingRootAdds();
collectSymmetricImportedModelChanges();
collectSymmetricModuleDependencyChanges();
}
private boolean nodeGroupChangesSymmetric(NodeGroupChange mine, NodeGroupChange repository) {
if (mine.getBegin() == repository.getBegin() && mine.getEnd() == repository.getEnd()) {
if (mine.getResultEnd() - mine.getResultBegin()
== repository.getResultEnd() - repository.getResultBegin()) {
List<? extends SNode> myChildren =
IterableUtil.asList(
myMyModel.getNode(mine.getParentNodeId()).getChildren(mine.getRole()));
List<? extends SNode> repositoryChildren =
IterableUtil.asList(
myRepositoryModel
.getNode(repository.getParentNodeId())
.getChildren(repository.getRole()));
for (int o = 0; o < mine.getResultEnd() - mine.getResultBegin(); o++) {
if (!(SNodeCompare.nodeEquals(
myChildren.get(mine.getResultBegin() + o),
repositoryChildren.get(repository.getResultBegin() + o)))) {
return false;
}
}
return true;
}
}
return false;
}