public void visit(Way w) {
if (w.isNewOrUndeleted() || w.isModified() || w.isDeleted()) {
// upload new ways as well as modified and deleted ones
hull.add(w);
for (Node n : w.getNodes()) {
// we upload modified nodes even if they aren't in the current
// selection.
n.visit(this);
}
}
}
/**
* my and their way have no ids, nodes they refer to have an id. but my and their way are
* semantically equal. so technical attributes of their way can be merged on my way. No conflict.
*/
@Test
public void waySimple_twoWaysWithNoId_NodesWithId() {
// -- my data set
Node n1 = new Node(new LatLon(0, 0));
n1.setOsmId(1, 1);
my.addPrimitive(n1);
Node n2 = new Node(new LatLon(1, 1));
n2.setOsmId(2, 1);
my.addPrimitive(n2);
Way myWay = new Way();
myWay.addNode(n1);
myWay.addNode(n2);
my.addPrimitive(myWay);
// -- their data set
Node n3 = new Node(new LatLon(0, 0));
n3.setOsmId(1, 1);
their.addPrimitive(n3);
Node n4 = new Node(new LatLon(1, 1));
n4.setOsmId(2, 1);
their.addPrimitive(n4);
Way theirWay = new Way();
theirWay.addNode(n3);
theirWay.addNode(n4);
User user = User.createOsmUser(1111, "their");
theirWay.setUser(user);
theirWay.setTimestamp(new Date());
their.addPrimitive(theirWay);
DataSetMerger visitor = new DataSetMerger(my, their);
visitor.merge();
// -- tests
Way merged = (Way) my.getWays().toArray()[0];
assertEquals(0, visitor.getConflicts().size());
assertEquals("their", merged.getUser().getName());
assertEquals(1111, merged.getUser().getId());
assertEquals(theirWay.getRawTimestamp(), merged.getRawTimestamp());
assertSame(merged, myWay);
assertSame(merged.getNode(0), n1);
assertSame(merged.getNode(1), n2);
assertFalse(merged.isModified());
}
/**
* My dataset includes a deleted node. Their dataset includes a way with three nodes, the first
* one being my node.
*
* <p>=> the merged way should include all three nodes. Deleted node should have deleted=false and
* special conflict with isDeleted should exist
*/
@Test
public void wayComplex_mergingADeletedNode() {
// -- my dataset
Node mn1 = new Node(new LatLon(0, 0));
mn1.setOsmId(1, 1);
mn1.setDeleted(true);
my.addPrimitive(mn1);
Node tn1 = new Node(new LatLon(0, 0));
tn1.setOsmId(1, 1);
their.addPrimitive(tn1);
Node tn2 = new Node(new LatLon(1, 1));
tn2.setOsmId(2, 1);
their.addPrimitive(tn2);
Node tn3 = new Node(new LatLon(2, 2));
tn3.setOsmId(3, 1);
their.addPrimitive(tn3);
// -- their data set
Way theirWay = new Way();
theirWay.setOsmId(4, 1);
theirWay.addNode(tn1);
theirWay.addNode(tn2);
theirWay.addNode(tn3);
theirWay.setUser(User.createOsmUser(1111, "their"));
theirWay.setTimestamp(new Date());
their.addPrimitive(theirWay);
DataSetMerger visitor = new DataSetMerger(my, their);
visitor.merge();
assertEquals(1, visitor.getConflicts().size());
assertTrue(visitor.getConflicts().get(0).isMyDeleted());
Way myWay = (Way) my.getPrimitiveById(4, OsmPrimitiveType.WAY);
assertEquals(3, myWay.getNodesCount());
Node n = (Node) my.getPrimitiveById(1, OsmPrimitiveType.NODE);
assertTrue(myWay.getNodes().contains(n));
assertFalse(myWay.isModified());
}
/**
* their way has a higher version and different tags. And it has more nodes. Two of the existing
* nodes are modified.
*
* <p>=> merge it onto my way, no conflict
*/
@Test
public void waySimple_AdditionalNodesAndChangedNodes() {
// -- my data set
Node n1 = new Node(new LatLon(0, 0));
n1.setOsmId(1, 1);
my.addPrimitive(n1);
Node n2 = new Node(new LatLon(1, 1));
n2.setOsmId(2, 1);
my.addPrimitive(n2);
Way myWay = new Way();
myWay.setOsmId(3, 1);
myWay.addNode(n1);
myWay.addNode(n2);
my.addPrimitive(myWay);
// --- their data set
Node n3 = new Node(new LatLon(0, 0));
n3.setOsmId(1, 1);
their.addPrimitive(n3);
Node n5 = new Node(new LatLon(1, 1));
n5.setOsmId(4, 1);
their.addPrimitive(n5);
Node n4 = new Node(new LatLon(2, 2));
n4.setOsmId(2, 2);
n4.put("key1", "value1");
their.addPrimitive(n4);
Way theirWay = new Way();
theirWay.setOsmId(3, 2);
theirWay.addNode(n3);
theirWay.addNode(n5); // insert a node
theirWay.addNode(n4); // this one is updated
their.addPrimitive(theirWay);
DataSetMerger visitor = new DataSetMerger(my, their);
visitor.merge();
// -- tests
Way merged = (Way) my.getPrimitiveById(3, OsmPrimitiveType.WAY);
assertEquals(0, visitor.getConflicts().size());
assertEquals(3, merged.getId());
assertEquals(2, merged.getVersion());
assertEquals(3, merged.getNodesCount());
assertEquals(1, merged.getNode(0).getId());
assertEquals(4, merged.getNode(1).getId());
assertEquals(2, merged.getNode(2).getId());
assertEquals("value1", merged.getNode(2).get("key1"));
assertSame(merged.getNode(0), n1);
assertNotSame(merged.getNode(1), n5); // must be clone of the original node in their
assertSame(merged.getNode(2), n2);
assertFalse(
merged
.isModified()); // the target wasn't modified before merging, it mustn't be after
// merging
}
/**
* their way has a higher version and different tags. the nodes are the same. My way is not
* modified. Merge is possible. No conflict.
*
* <p>=> merge it onto my way.
*/
@Test
public void waySimple_IdenicalNodesDifferentTags() {
// -- the target dataset
Node n1 = new Node();
n1.setCoor(new LatLon(0, 0));
n1.setOsmId(1, 1);
my.addPrimitive(n1);
Node n2 = new Node();
n2.setCoor(new LatLon(0, 0));
n2.setOsmId(2, 1);
my.addPrimitive(n2);
Way myWay = new Way();
myWay.setOsmId(3, 1);
myWay.put("key1", "value1");
myWay.addNode(n1);
myWay.addNode(n2);
my.addPrimitive(myWay);
// -- the source data set
Node n3 = new Node(new LatLon(0, 0));
n3.setOsmId(1, 1);
their.addPrimitive(n3);
Node n4 = new Node(new LatLon(1, 1));
n4.setOsmId(2, 1);
their.addPrimitive(n4);
Way theirWay = new Way();
theirWay.setOsmId(3, 2);
theirWay.put("key1", "value1");
theirWay.put("key2", "value2");
theirWay.addNode(n3);
theirWay.addNode(n4);
their.addPrimitive(theirWay);
DataSetMerger visitor = new DataSetMerger(my, their);
visitor.merge();
// -- tests
Way merged = (Way) my.getPrimitiveById(3, OsmPrimitiveType.WAY);
assertEquals(0, visitor.getConflicts().size());
assertEquals("value1", merged.get("key1"));
assertEquals("value2", merged.get("key2"));
assertEquals(3, merged.getId());
assertEquals(2, merged.getVersion());
assertEquals(2, merged.getNodesCount());
assertEquals(1, merged.getNode(0).getId());
assertEquals(2, merged.getNode(1).getId());
assertSame(merged, myWay);
assertSame(merged.getDataSet(), my);
Node mergedNode = (Node) my.getPrimitiveById(1, OsmPrimitiveType.NODE);
assertSame(mergedNode, n1);
mergedNode = (Node) my.getPrimitiveById(2, OsmPrimitiveType.NODE);
assertSame(mergedNode, n2);
assertFalse(merged.isModified());
}