@Test
public void internalDisconnect() {
GraphHopperStorage storage = createGHStorage();
BaseGraph graph = (BaseGraph) storage.getGraph(Graph.class);
EdgeIteratorState iter0 = graph.edge(0, 1, 10, true);
EdgeIteratorState iter2 = graph.edge(1, 2, 10, true);
EdgeIteratorState iter3 = graph.edge(0, 3, 10, true);
EdgeExplorer explorer = graph.createEdgeExplorer();
assertEquals(GHUtility.asSet(3, 1), GHUtility.getNeighbors(explorer.setBaseNode(0)));
assertEquals(GHUtility.asSet(2, 0), GHUtility.getNeighbors(explorer.setBaseNode(1)));
// remove edge "1-2" but only from 1 not from 2
graph.edgeAccess.internalEdgeDisconnect(
iter2.getEdge(), -1, iter2.getBaseNode(), iter2.getAdjNode());
assertEquals(GHUtility.asSet(0), GHUtility.getNeighbors(explorer.setBaseNode(1)));
assertEquals(GHUtility.asSet(1), GHUtility.getNeighbors(explorer.setBaseNode(2)));
// let 0 unchanged -> no side effects
assertEquals(GHUtility.asSet(3, 1), GHUtility.getNeighbors(explorer.setBaseNode(0)));
// remove edge "0-1" but only from 0
graph.edgeAccess.internalEdgeDisconnect(
iter0.getEdge(),
(long) iter3.getEdge() * graph.edgeEntryBytes,
iter0.getBaseNode(),
iter0.getAdjNode());
assertEquals(GHUtility.asSet(3), GHUtility.getNeighbors(explorer.setBaseNode(0)));
assertEquals(GHUtility.asSet(0), GHUtility.getNeighbors(explorer.setBaseNode(3)));
assertEquals(GHUtility.asSet(0), GHUtility.getNeighbors(explorer.setBaseNode(1)));
storage.close();
}
@Test
public void testEdgeReturn() {
graph = createGraph();
EdgeIteratorState iter =
graph.edge(4, 10).setDistance(100).setFlags(carEncoder.setProperties(10, true, false));
assertEquals(4, iter.getBaseNode());
assertEquals(10, iter.getAdjNode());
iter = graph.edge(14, 10).setDistance(100).setFlags(carEncoder.setProperties(10, true, false));
assertEquals(14, iter.getBaseNode());
assertEquals(10, iter.getAdjNode());
}
@Test
public void testNameIndex() {
graph = createGraph();
EdgeIteratorState iter1 = graph.edge(0, 1, 10, true);
iter1.setName("named street1");
EdgeIteratorState iter2 = graph.edge(0, 1, 10, true);
iter2.setName("named street2");
assertEquals(
"named street1", graph.getEdgeProps(iter1.getEdge(), iter1.getAdjNode()).getName());
assertEquals(
"named street2", graph.getEdgeProps(iter2.getEdge(), iter2.getAdjNode()).getName());
}
@Test
public void testDetachEdge() {
graph = createGraph();
graph.edge(0, 1, 2, true);
long flags = carEncoder.setProperties(10, true, false);
graph.edge(0, 2, 2, true).setWayGeometry(Helper.createPointList(1, 2, 3, 4)).setFlags(flags);
graph.edge(1, 2, 2, true);
EdgeIterator iter = graph.createEdgeExplorer().setBaseNode(0);
try {
// currently not possible to detach without next, without introducing a new property inside
// EdgeIterable
iter.detach(false);
assertTrue(false);
} catch (Exception ex) {
}
iter.next();
EdgeIteratorState edgeState2 = iter.detach(false);
assertEquals(2, iter.getAdjNode());
assertEquals(1, edgeState2.fetchWayGeometry(0).getLatitude(0), 1e-1);
assertEquals(2, edgeState2.getAdjNode());
assertTrue(carEncoder.isBool(edgeState2.getFlags(), FlagEncoder.K_FORWARD));
EdgeIteratorState edgeState3 = iter.detach(true);
assertEquals(0, edgeState3.getAdjNode());
assertEquals(2, edgeState3.getBaseNode());
assertEquals(3, edgeState3.fetchWayGeometry(0).getLatitude(0), 1e-1);
assertFalse(carEncoder.isBool(edgeState3.getFlags(), FlagEncoder.K_FORWARD));
assertEquals(GHUtility.getEdge(graph, 0, 2).getFlags(), edgeState2.getFlags());
assertEquals(GHUtility.getEdge(graph, 2, 0).getFlags(), edgeState3.getFlags());
iter.next();
assertEquals(1, iter.getAdjNode());
assertEquals(2, edgeState2.getAdjNode());
assertEquals(2, edgeState3.getBaseNode());
assertEquals(0, iter.fetchWayGeometry(0).size());
assertEquals(1, edgeState2.fetchWayGeometry(0).getLatitude(0), 1e-1);
assertEquals(3, edgeState3.fetchWayGeometry(0).getLatitude(0), 1e-1);
// #162 a directed self referencing edge should be able to reverse its state too
graph.edge(3, 3, 2, true).setFlags(flags);
EdgeIterator iter2 = graph.createEdgeExplorer().setBaseNode(3);
iter2.next();
assertEquals(edgeState2.getFlags(), iter2.detach(false).getFlags());
assertEquals(edgeState3.getFlags(), iter2.detach(true).getFlags());
}
@Test
public void testEdgeProperties() {
graph = createGraph();
EdgeIteratorState iter1 = graph.edge(0, 1, 10, true);
EdgeIteratorState iter2 = graph.edge(0, 2, 20, true);
int edgeId = iter1.getEdge();
EdgeIteratorState iter = graph.getEdgeProps(edgeId, 0);
assertEquals(10, iter.getDistance(), 1e-5);
edgeId = iter2.getEdge();
iter = graph.getEdgeProps(edgeId, 0);
assertEquals(2, iter.getBaseNode());
assertEquals(0, iter.getAdjNode());
assertEquals(20, iter.getDistance(), 1e-5);
iter = graph.getEdgeProps(edgeId, 2);
assertEquals(0, iter.getBaseNode());
assertEquals(2, iter.getAdjNode());
assertEquals(20, iter.getDistance(), 1e-5);
iter = graph.getEdgeProps(edgeId, Integer.MIN_VALUE);
assertFalse(iter == null);
assertEquals(0, iter.getBaseNode());
assertEquals(2, iter.getAdjNode());
iter = graph.getEdgeProps(edgeId, 1);
assertTrue(iter == null);
// delete
graph.markNodeRemoved(1);
graph.optimize();
// throw exception if accessing deleted edge
try {
graph.getEdgeProps(iter1.getEdge(), -1);
assertTrue(false);
} catch (Exception ex) {
}
}
@Test
public void testSave_and_fileFormat() throws IOException {
graph = newGHStorage(new RAMDirectory(defaultGraphLoc, true), true).create(defaultSize);
NodeAccess na = graph.getNodeAccess();
assertTrue(na.is3D());
na.setNode(0, 10, 10, 0);
na.setNode(1, 11, 20, 1);
na.setNode(2, 12, 12, 0.4);
EdgeIteratorState iter2 = graph.edge(0, 1, 100, true);
iter2.setWayGeometry(Helper.createPointList3D(1.5, 1, 0, 2, 3, 0));
EdgeIteratorState iter1 = graph.edge(0, 2, 200, true);
iter1.setWayGeometry(Helper.createPointList3D(3.5, 4.5, 0, 5, 6, 0));
graph.edge(9, 10, 200, true);
graph.edge(9, 11, 200, true);
graph.edge(1, 2, 120, false);
iter1.setName("named street1");
iter2.setName("named street2");
checkGraph(graph);
graph.flush();
graph.close();
graph = newGHStorage(new MMapDirectory(defaultGraphLoc), true);
assertTrue(graph.loadExisting());
assertEquals(12, graph.getNodes());
checkGraph(graph);
assertEquals(
"named street1", graph.getEdgeIteratorState(iter1.getEdge(), iter1.getAdjNode()).getName());
assertEquals(
"named street2", graph.getEdgeIteratorState(iter2.getEdge(), iter2.getAdjNode()).getName());
graph.edge(3, 4, 123, true).setWayGeometry(Helper.createPointList3D(4.4, 5.5, 0, 6.6, 7.7, 0));
checkGraph(graph);
}