/
BaseGraph.java
1302 lines (1134 loc) · 41.4 KB
/
BaseGraph.java
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/*
* Licensed to Peter Karich under one or more contributor license
* agreements. See the NOTICE file distributed with this work for
* additional information regarding copyright ownership.
*
* Peter Karich licenses this file to you under the Apache License,
* Version 2.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the
* License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.graphhopper.storage;
import com.graphhopper.coll.GHBitSet;
import com.graphhopper.coll.GHBitSetImpl;
import com.graphhopper.coll.SparseIntIntArray;
import com.graphhopper.routing.util.AllEdgesIterator;
import com.graphhopper.routing.util.EdgeFilter;
import com.graphhopper.routing.util.EncodingManager;
import com.graphhopper.routing.util.FlagEncoder;
import com.graphhopper.search.NameIndex;
import com.graphhopper.util.*;
import static com.graphhopper.util.Helper.nf;
import com.graphhopper.util.shapes.BBox;
import java.io.UnsupportedEncodingException;
/**
* The base graph handles nodes and edges file format. It can be used with different Directory
* implementations like RAMDirectory for fast access or via MMapDirectory for virtual-memory and not
* thread safe usage.
* <p>
* Note: A RAM DataAccess Object is thread-safe in itself but if used in this Graph implementation
* it is not write thread safe.
* <p>
* Life cycle: (1) object creation, (2) configuration via setters & getters, (3) create or
* loadExisting, (4) usage, (5) flush, (6) close
*/
class BaseGraph implements Graph
{
// Emergency stop. to detect if something went wrong with our storage system and to prevent us from an infinit loop.
// Road networks typically do not have nodes with plenty of edges!
private static final int MAX_EDGES = 1000;
// edge memory layout not found in EdgeAccess:
int E_GEO, E_NAME, E_ADDITIONAL;
/**
* Specifies how many entries (integers) are used per edge.
*/
int edgeEntryBytes;
private boolean initialized = false;
final DataAccess edges;
/**
* interval [0,n)
*/
protected int edgeCount;
// node memory layout:
protected int N_EDGE_REF, N_LAT, N_LON, N_ELE, N_ADDITIONAL;
/**
* Specifies how many entries (integers) are used per node
*/
int nodeEntryBytes;
final DataAccess nodes;
/**
* interval [0,n)
*/
private int nodeCount;
final BBox bounds;
// remove markers are not yet persistent!
private GHBitSet removedNodes;
private int edgeEntryIndex, nodeEntryIndex;
final NodeAccess nodeAccess;
final GraphExtension extStorage;
// length | nodeA | nextNode | ... | nodeB
// as we use integer index in 'egdes' area => 'geometry' area is limited to 2GB (currently ~311M for world wide)
final DataAccess wayGeometry;
private int maxGeoRef;
final NameIndex nameIndex;
final BitUtil bitUtil;
private final Directory dir;
final EncodingManager encodingManager;
private final InternalGraphEventListener listener;
private boolean frozen = false;
final EdgeAccess edgeAccess;
public BaseGraph( Directory dir, final EncodingManager encodingManager, boolean withElevation,
InternalGraphEventListener listener, GraphExtension extendedStorage )
{
this.dir = dir;
this.encodingManager = encodingManager;
this.bitUtil = BitUtil.get(dir.getByteOrder());
this.wayGeometry = dir.find("geometry");
this.nameIndex = new NameIndex(dir);
this.nodes = dir.find("nodes");
this.edges = dir.find("edges");
this.listener = listener;
this.edgeAccess = new EdgeAccess(edges, bitUtil)
{
@Override
final EdgeIterable createSingleEdge( EdgeFilter filter )
{
return new EdgeIterable(BaseGraph.this, this, filter);
}
@Override
final int getEdgeRef( int nodeId )
{
return nodes.getInt((long) nodeId * nodeEntryBytes + N_EDGE_REF);
}
@Override
final void setEdgeRef( int nodeId, int edgeId )
{
nodes.setInt((long) nodeId * nodeEntryBytes + N_EDGE_REF, edgeId);
}
@Override
final int getEntryBytes()
{
return edgeEntryBytes;
}
@Override
final long toPointer( int edgeId )
{
assert isInBounds(edgeId) : "edgeId " + edgeId + " not in bounds [0," + edgeCount + ")";
return (long) edgeId * edgeEntryBytes;
}
@Override
final boolean isInBounds( int edgeId )
{
return edgeId < edgeCount && edgeId >= 0;
}
@Override
final long reverseFlags( long edgePointer, long flags )
{
return encodingManager.reverseFlags(flags);
}
@Override
public String toString()
{
return "base edge access";
}
};
this.bounds = BBox.createInverse(withElevation);
this.nodeAccess = new GHNodeAccess(this, withElevation);
this.extStorage = extendedStorage;
this.extStorage.init(this, dir);
}
@Override
public Graph getBaseGraph()
{
return this;
}
void checkInit()
{
if (initialized)
throw new IllegalStateException("You cannot configure this GraphStorage "
+ "after calling create or loadExisting. Calling one of the methods twice is also not allowed.");
}
protected int loadNodesHeader()
{
nodeEntryBytes = nodes.getHeader(1 * 4);
nodeCount = nodes.getHeader(2 * 4);
bounds.minLon = Helper.intToDegree(nodes.getHeader(3 * 4));
bounds.maxLon = Helper.intToDegree(nodes.getHeader(4 * 4));
bounds.minLat = Helper.intToDegree(nodes.getHeader(5 * 4));
bounds.maxLat = Helper.intToDegree(nodes.getHeader(6 * 4));
if (bounds.hasElevation())
{
bounds.minEle = Helper.intToEle(nodes.getHeader(7 * 4));
bounds.maxEle = Helper.intToEle(nodes.getHeader(8 * 4));
}
frozen = nodes.getHeader(9 * 4) == 1;
return 10;
}
protected int setNodesHeader()
{
nodes.setHeader(1 * 4, nodeEntryBytes);
nodes.setHeader(2 * 4, nodeCount);
nodes.setHeader(3 * 4, Helper.degreeToInt(bounds.minLon));
nodes.setHeader(4 * 4, Helper.degreeToInt(bounds.maxLon));
nodes.setHeader(5 * 4, Helper.degreeToInt(bounds.minLat));
nodes.setHeader(6 * 4, Helper.degreeToInt(bounds.maxLat));
if (bounds.hasElevation())
{
nodes.setHeader(7 * 4, Helper.eleToInt(bounds.minEle));
nodes.setHeader(8 * 4, Helper.eleToInt(bounds.maxEle));
}
nodes.setHeader(9 * 4, isFrozen() ? 1 : 0);
return 10;
}
protected int loadEdgesHeader()
{
edgeEntryBytes = edges.getHeader(0 * 4);
edgeCount = edges.getHeader(1 * 4);
return 5;
}
protected int setEdgesHeader()
{
edges.setHeader(0, edgeEntryBytes);
edges.setHeader(1 * 4, edgeCount);
edges.setHeader(2 * 4, encodingManager.hashCode());
edges.setHeader(3 * 4, extStorage.hashCode());
return 5;
}
protected int loadWayGeometryHeader()
{
maxGeoRef = wayGeometry.getHeader(0);
return 1;
}
protected int setWayGeometryHeader()
{
wayGeometry.setHeader(0, maxGeoRef);
return 1;
}
void initStorage()
{
edgeEntryIndex = 0;
nodeEntryIndex = 0;
boolean flagsSizeIsLong = encodingManager.getBytesForFlags() == 8;
edgeAccess.init(nextEdgeEntryIndex(4),
nextEdgeEntryIndex(4),
nextEdgeEntryIndex(4),
nextEdgeEntryIndex(4),
nextEdgeEntryIndex(4),
nextEdgeEntryIndex(encodingManager.getBytesForFlags()),
flagsSizeIsLong);
E_GEO = nextEdgeEntryIndex(4);
E_NAME = nextEdgeEntryIndex(4);
if (extStorage.isRequireEdgeField())
E_ADDITIONAL = nextEdgeEntryIndex(4);
else
E_ADDITIONAL = -1;
N_EDGE_REF = nextNodeEntryIndex(4);
N_LAT = nextNodeEntryIndex(4);
N_LON = nextNodeEntryIndex(4);
if (nodeAccess.is3D())
N_ELE = nextNodeEntryIndex(4);
else
N_ELE = -1;
if (extStorage.isRequireNodeField())
N_ADDITIONAL = nextNodeEntryIndex(4);
else
N_ADDITIONAL = -1;
initNodeAndEdgeEntrySize();
listener.initStorage();
initialized = true;
}
/**
* Initializes the node area with the empty edge value and default additional value.
*/
void initNodeRefs( long oldCapacity, long newCapacity )
{
for (long pointer = oldCapacity + N_EDGE_REF; pointer < newCapacity; pointer += nodeEntryBytes)
{
nodes.setInt(pointer, EdgeIterator.NO_EDGE);
}
if (extStorage.isRequireNodeField())
{
for (long pointer = oldCapacity + N_ADDITIONAL; pointer < newCapacity; pointer += nodeEntryBytes)
{
nodes.setInt(pointer, extStorage.getDefaultNodeFieldValue());
}
}
}
protected final int nextEdgeEntryIndex( int sizeInBytes )
{
int tmp = edgeEntryIndex;
edgeEntryIndex += sizeInBytes;
return tmp;
}
protected final int nextNodeEntryIndex( int sizeInBytes )
{
int tmp = nodeEntryIndex;
nodeEntryIndex += sizeInBytes;
return tmp;
}
protected final void initNodeAndEdgeEntrySize()
{
nodeEntryBytes = nodeEntryIndex;
edgeEntryBytes = edgeEntryIndex;
}
/**
* Check if byte capacity of DataAcess nodes object is sufficient to include node index, else
* extend byte capacity
*/
final void ensureNodeIndex( int nodeIndex )
{
if (!initialized)
throw new AssertionError("The graph has not yet been initialized.");
if (nodeIndex < nodeCount)
return;
long oldNodes = nodeCount;
nodeCount = nodeIndex + 1;
boolean capacityIncreased = nodes.ensureCapacity((long) nodeCount * nodeEntryBytes);
if (capacityIncreased)
{
long newBytesCapacity = nodes.getCapacity();
initNodeRefs(oldNodes * nodeEntryBytes, newBytesCapacity);
}
}
@Override
public int getNodes()
{
return nodeCount;
}
@Override
public NodeAccess getNodeAccess()
{
return nodeAccess;
}
@Override
public BBox getBounds()
{
return bounds;
}
@Override
public EdgeIteratorState edge( int a, int b, double distance, boolean bothDirection )
{
return edge(a, b).setDistance(distance).setFlags(encodingManager.flagsDefault(true, bothDirection));
}
void setSegmentSize( int bytes )
{
checkInit();
nodes.setSegmentSize(bytes);
edges.setSegmentSize(bytes);
wayGeometry.setSegmentSize(bytes);
nameIndex.setSegmentSize(bytes);
extStorage.setSegmentSize(bytes);
}
synchronized void freeze()
{
if (isFrozen())
throw new IllegalStateException("base graph already frozen");
frozen = true;
listener.freeze();
}
synchronized boolean isFrozen()
{
return frozen;
}
public void checkFreeze()
{
if (isFrozen())
throw new IllegalStateException("Cannot add edge or node after baseGraph.freeze was called");
}
void create( long initSize )
{
nodes.create(initSize);
edges.create(initSize);
wayGeometry.create(initSize);
nameIndex.create(1000);
extStorage.create(initSize);
initStorage();
// 0 stands for no separate geoRef
maxGeoRef = 4;
initNodeRefs(0, nodes.getCapacity());
}
String toDetailsString()
{
return "edges:" + nf(edgeCount) + "(" + edges.getCapacity() / Helper.MB + "MB), "
+ "nodes:" + nf(getNodes()) + "(" + nodes.getCapacity() / Helper.MB + "MB), "
+ "name:(" + nameIndex.getCapacity() / Helper.MB + "MB), "
+ "geo:" + nf(maxGeoRef) + "(" + wayGeometry.getCapacity() / Helper.MB + "MB), "
+ "bounds:" + bounds;
}
void flush()
{
setNodesHeader();
setEdgesHeader();
setWayGeometryHeader();
wayGeometry.flush();
nameIndex.flush();
edges.flush();
nodes.flush();
extStorage.flush();
}
void close()
{
wayGeometry.close();
nameIndex.close();
edges.close();
nodes.close();
extStorage.close();
}
long getCapacity()
{
return edges.getCapacity() + nodes.getCapacity() + nameIndex.getCapacity()
+ wayGeometry.getCapacity() + extStorage.getCapacity();
}
void loadExisting( String dim )
{
if (!nodes.loadExisting())
throw new IllegalStateException("Cannot load nodes. corrupt file or directory? " + dir);
if (!dim.equalsIgnoreCase("" + nodeAccess.getDimension()))
throw new IllegalStateException("Configured dimension (" + nodeAccess.getDimension() + ") is not equal "
+ "to dimension of loaded graph (" + dim + ")");
if (!edges.loadExisting())
throw new IllegalStateException("Cannot load edges. corrupt file or directory? " + dir);
if (!wayGeometry.loadExisting())
throw new IllegalStateException("Cannot load geometry. corrupt file or directory? " + dir);
if (!nameIndex.loadExisting())
throw new IllegalStateException("Cannot load name index. corrupt file or directory? " + dir);
if (!extStorage.loadExisting())
throw new IllegalStateException("Cannot load extended storage. corrupt file or directory? " + dir);
// first define header indices of this storage
initStorage();
// now load some properties from stored data
loadNodesHeader();
loadEdgesHeader();
loadWayGeometryHeader();
}
/**
* @return to
*/
EdgeIteratorState copyProperties( CommonEdgeIterator from, EdgeIteratorState to )
{
to.setDistance(from.getDistance()).
setName(from.getName()).
setFlags(from.getDirectFlags()).
setWayGeometry(from.fetchWayGeometry(0));
if (E_ADDITIONAL >= 0)
to.setAdditionalField(from.getAdditionalField());
return to;
}
/**
* Create edge between nodes a and b
* <p>
* @return EdgeIteratorState of newly created edge
*/
@Override
public EdgeIteratorState edge( int nodeA, int nodeB )
{
if (isFrozen())
throw new IllegalStateException("Cannot create edge if graph is already frozen");
ensureNodeIndex(Math.max(nodeA, nodeB));
int edgeId = edgeAccess.internalEdgeAdd(nextEdgeId(), nodeA, nodeB);
EdgeIterable iter = new EdgeIterable(this, edgeAccess, EdgeFilter.ALL_EDGES);
boolean ret = iter.init(edgeId, nodeB);
assert ret;
if (extStorage.isRequireEdgeField())
iter.setAdditionalField(extStorage.getDefaultEdgeFieldValue());
return iter;
}
// for test only
void setEdgeCount( int cnt )
{
edgeCount = cnt;
}
/**
* Determine next free edgeId and ensure byte capacity to store edge
* <p>
* @return next free edgeId
*/
protected int nextEdgeId()
{
int nextEdge = edgeCount;
edgeCount++;
if (edgeCount < 0)
throw new IllegalStateException("too many edges. new edge id would be negative. " + toString());
edges.ensureCapacity(((long) edgeCount + 1) * edgeEntryBytes);
return nextEdge;
}
@Override
public EdgeIteratorState getEdgeIteratorState( int edgeId, int adjNode )
{
if (!edgeAccess.isInBounds(edgeId))
throw new IllegalStateException("edgeId " + edgeId + " out of bounds");
checkAdjNodeBounds(adjNode);
return edgeAccess.getEdgeProps(edgeId, adjNode);
}
final void checkAdjNodeBounds( int adjNode )
{
if (adjNode < 0 && adjNode != Integer.MIN_VALUE || adjNode >= nodeCount)
throw new IllegalStateException("adjNode " + adjNode + " out of bounds [0," + nf(nodeCount) + ")");
}
@Override
public EdgeExplorer createEdgeExplorer( EdgeFilter filter )
{
return new EdgeIterable(this, edgeAccess, filter);
}
@Override
public EdgeExplorer createEdgeExplorer()
{
return createEdgeExplorer(EdgeFilter.ALL_EDGES);
}
@Override
public AllEdgesIterator getAllEdges()
{
return new AllEdgeIterator(this, edgeAccess);
}
@Override
public Graph copyTo( Graph g )
{
initialized = true;
if (g.getClass().equals(getClass()))
{
_copyTo((BaseGraph) g);
return g;
} else
{
return GHUtility.copyTo(this, g);
}
}
void _copyTo( BaseGraph clonedG )
{
if (clonedG.edgeEntryBytes != edgeEntryBytes)
throw new IllegalStateException("edgeEntryBytes cannot be different for cloned graph. "
+ "Cloned: " + clonedG.edgeEntryBytes + " vs " + edgeEntryBytes);
if (clonedG.nodeEntryBytes != nodeEntryBytes)
throw new IllegalStateException("nodeEntryBytes cannot be different for cloned graph. "
+ "Cloned: " + clonedG.nodeEntryBytes + " vs " + nodeEntryBytes);
if (clonedG.nodeAccess.getDimension() != nodeAccess.getDimension())
throw new IllegalStateException("dimension cannot be different for cloned graph. "
+ "Cloned: " + clonedG.nodeAccess.getDimension() + " vs " + nodeAccess.getDimension());
// nodes
setNodesHeader();
nodes.copyTo(clonedG.nodes);
clonedG.loadNodesHeader();
// edges
setEdgesHeader();
edges.copyTo(clonedG.edges);
clonedG.loadEdgesHeader();
// name
nameIndex.copyTo(clonedG.nameIndex);
// geometry
setWayGeometryHeader();
wayGeometry.copyTo(clonedG.wayGeometry);
clonedG.loadWayGeometryHeader();
// extStorage
extStorage.copyTo(clonedG.extStorage);
if (removedNodes == null)
clonedG.removedNodes = null;
else
clonedG.removedNodes = removedNodes.copyTo(new GHBitSetImpl());
}
protected void trimToSize()
{
long nodeCap = (long) nodeCount * nodeEntryBytes;
nodes.trimTo(nodeCap);
// long edgeCap = (long) (edgeCount + 1) * edgeEntrySize;
// edges.trimTo(edgeCap * 4);
}
/**
* This methods disconnects all edges from removed nodes. It does no edge compaction. Then it
* moves the last nodes into the deleted nodes, where it needs to update the node ids in every
* edge.
*/
void inPlaceNodeRemove( int removeNodeCount )
{
// Prepare edge-update of nodes which are connected to deleted nodes
int toMoveNodes = getNodes();
int itemsToMove = 0;
// sorted map when we access it via keyAt and valueAt - see below!
final SparseIntIntArray oldToNewMap = new SparseIntIntArray(removeNodeCount);
GHBitSet toRemoveSet = new GHBitSetImpl(removeNodeCount);
removedNodes.copyTo(toRemoveSet);
EdgeExplorer delExplorer = createEdgeExplorer(EdgeFilter.ALL_EDGES);
// create map of old node ids pointing to new ids
for (int removeNode = removedNodes.next(0);
removeNode >= 0;
removeNode = removedNodes.next(removeNode + 1))
{
EdgeIterator delEdgesIter = delExplorer.setBaseNode(removeNode);
while (delEdgesIter.next())
{
toRemoveSet.add(delEdgesIter.getAdjNode());
}
toMoveNodes--;
for (; toMoveNodes >= 0; toMoveNodes--)
{
if (!removedNodes.contains(toMoveNodes))
break;
}
if (toMoveNodes >= removeNode)
oldToNewMap.put(toMoveNodes, removeNode);
itemsToMove++;
}
EdgeIterable adjNodesToDelIter = (EdgeIterable) createEdgeExplorer();
// now similar process to disconnectEdges but only for specific nodes
// all deleted nodes could be connected to existing. remove the connections
for (int removeNode = toRemoveSet.next(0);
removeNode >= 0;
removeNode = toRemoveSet.next(removeNode + 1))
{
// remove all edges connected to the deleted nodes
adjNodesToDelIter.setBaseNode(removeNode);
long prev = EdgeIterator.NO_EDGE;
while (adjNodesToDelIter.next())
{
int nodeId = adjNodesToDelIter.getAdjNode();
// already invalidated
if (nodeId != EdgeAccess.NO_NODE && removedNodes.contains(nodeId))
{
int edgeToRemove = adjNodesToDelIter.getEdge();
long edgeToRemovePointer = edgeAccess.toPointer(edgeToRemove);
edgeAccess.internalEdgeDisconnect(edgeToRemove, prev, removeNode, nodeId);
edgeAccess.invalidateEdge(edgeToRemovePointer);
} else
{
prev = adjNodesToDelIter.edgePointer;
}
}
}
GHBitSet toMoveSet = new GHBitSetImpl(removeNodeCount * 3);
EdgeExplorer movedEdgeExplorer = createEdgeExplorer();
// marks connected nodes to rewrite the edges
for (int i = 0; i < itemsToMove; i++)
{
int oldI = oldToNewMap.keyAt(i);
EdgeIterator movedEdgeIter = movedEdgeExplorer.setBaseNode(oldI);
while (movedEdgeIter.next())
{
int nodeId = movedEdgeIter.getAdjNode();
if (nodeId == EdgeAccess.NO_NODE)
continue;
if (removedNodes.contains(nodeId))
throw new IllegalStateException("shouldn't happen the edge to the node "
+ nodeId + " should be already deleted. " + oldI);
toMoveSet.add(nodeId);
}
}
// move nodes into deleted nodes
for (int i = 0; i < itemsToMove; i++)
{
int oldI = oldToNewMap.keyAt(i);
int newI = oldToNewMap.valueAt(i);
long newOffset = (long) newI * nodeEntryBytes;
long oldOffset = (long) oldI * nodeEntryBytes;
for (long j = 0; j < nodeEntryBytes; j += 4)
{
nodes.setInt(newOffset + j, nodes.getInt(oldOffset + j));
}
}
// *rewrites* all edges connected to moved nodes
// go through all edges and pick the necessary <- this is easier to implement than
// a more efficient (?) breadth-first search
EdgeIterator iter = getAllEdges();
while (iter.next())
{
int nodeA = iter.getBaseNode();
int nodeB = iter.getAdjNode();
if (!toMoveSet.contains(nodeA) && !toMoveSet.contains(nodeB))
continue;
// now overwrite exiting edge with new node ids
// also flags and links could have changed due to different node order
int updatedA = oldToNewMap.get(nodeA);
if (updatedA < 0)
updatedA = nodeA;
int updatedB = oldToNewMap.get(nodeB);
if (updatedB < 0)
updatedB = nodeB;
int edgeId = iter.getEdge();
long edgePointer = edgeAccess.toPointer(edgeId);
int linkA = edgeAccess.getEdgeRef(nodeA, nodeB, edgePointer);
int linkB = edgeAccess.getEdgeRef(nodeB, nodeA, edgePointer);
long flags = edgeAccess.getFlags_(edgePointer, false);
edgeAccess.writeEdge(edgeId, updatedA, updatedB, linkA, linkB);
edgeAccess.setFlags_(edgePointer, updatedA > updatedB, flags);
if (updatedA < updatedB != nodeA < nodeB)
setWayGeometry_(fetchWayGeometry_(edgePointer, true, 0, -1, -1), edgePointer, false);
}
if (removeNodeCount >= nodeCount)
throw new IllegalStateException("graph is empty after in-place removal but was " + removeNodeCount);
// we do not remove the invalid edges => edgeCount stays the same!
nodeCount -= removeNodeCount;
EdgeExplorer explorer = createEdgeExplorer();
// health check
if (isTestingEnabled())
{
iter = getAllEdges();
while (iter.next())
{
int base = iter.getBaseNode();
int adj = iter.getAdjNode();
String str = iter.getEdge()
+ ", r.contains(" + base + "):" + removedNodes.contains(base)
+ ", r.contains(" + adj + "):" + removedNodes.contains(adj)
+ ", tr.contains(" + base + "):" + toRemoveSet.contains(base)
+ ", tr.contains(" + adj + "):" + toRemoveSet.contains(adj)
+ ", base:" + base + ", adj:" + adj + ", nodeCount:" + nodeCount;
if (adj >= nodeCount)
throw new RuntimeException("Adj.node problem with edge " + str);
if (base >= nodeCount)
throw new RuntimeException("Base node problem with edge " + str);
try
{
explorer.setBaseNode(adj).toString();
} catch (Exception ex)
{
org.slf4j.LoggerFactory.getLogger(getClass()).error("adj:" + adj);
}
try
{
explorer.setBaseNode(base).toString();
} catch (Exception ex)
{
org.slf4j.LoggerFactory.getLogger(getClass()).error("base:" + base);
}
}
// access last node -> no error
explorer.setBaseNode(nodeCount - 1).toString();
}
removedNodes = null;
}
@Override
public GraphExtension getExtension()
{
return extStorage;
}
public void setAdditionalEdgeField( long edgePointer, int value )
{
if (extStorage.isRequireEdgeField() && E_ADDITIONAL >= 0)
edges.setInt(edgePointer + E_ADDITIONAL, value);
else
throw new AssertionError("This graph does not support an additional edge field.");
}
private void setWayGeometry_( PointList pillarNodes, long edgePointer, boolean reverse )
{
if (pillarNodes != null && !pillarNodes.isEmpty())
{
if (pillarNodes.getDimension() != nodeAccess.getDimension())
throw new IllegalArgumentException("Cannot use pointlist which is " + pillarNodes.getDimension()
+ "D for graph which is " + nodeAccess.getDimension() + "D");
int len = pillarNodes.getSize();
int dim = nodeAccess.getDimension();
int tmpRef = nextGeoRef(len * dim);
edges.setInt(edgePointer + E_GEO, tmpRef);
long geoRef = (long) tmpRef * 4;
byte[] bytes = new byte[len * dim * 4 + 4];
ensureGeometry(geoRef, bytes.length);
bitUtil.fromInt(bytes, len, 0);
if (reverse)
pillarNodes.reverse();
int tmpOffset = 4;
boolean is3D = nodeAccess.is3D();
for (int i = 0; i < len; i++)
{
double lat = pillarNodes.getLatitude(i);
bitUtil.fromInt(bytes, Helper.degreeToInt(lat), tmpOffset);
tmpOffset += 4;
bitUtil.fromInt(bytes, Helper.degreeToInt(pillarNodes.getLongitude(i)), tmpOffset);
tmpOffset += 4;
if (is3D)
{
bitUtil.fromInt(bytes, Helper.eleToInt(pillarNodes.getElevation(i)), tmpOffset);
tmpOffset += 4;
}
}
wayGeometry.setBytes(geoRef, bytes, bytes.length);
} else
{
edges.setInt(edgePointer + E_GEO, 0);
}
}
private PointList fetchWayGeometry_( long edgePointer, boolean reverse, int mode, int baseNode, int adjNode )
{
long geoRef = edges.getInt(edgePointer + E_GEO);
int count = 0;
byte[] bytes = null;
if (geoRef > 0)
{
geoRef *= 4;
count = wayGeometry.getInt(geoRef);
geoRef += 4;
bytes = new byte[count * nodeAccess.getDimension() * 4];
wayGeometry.getBytes(geoRef, bytes, bytes.length);
} else if (mode == 0)
return PointList.EMPTY;
PointList pillarNodes = new PointList(count + mode, nodeAccess.is3D());
if (reverse)
{
if ((mode & 2) != 0)
pillarNodes.add(nodeAccess, adjNode);
} else
{
if ((mode & 1) != 0)
pillarNodes.add(nodeAccess, baseNode);
}
int index = 0;
for (int i = 0; i < count; i++)
{
double lat = Helper.intToDegree(bitUtil.toInt(bytes, index));
index += 4;
double lon = Helper.intToDegree(bitUtil.toInt(bytes, index));
index += 4;
if (nodeAccess.is3D())
{
pillarNodes.add(lat, lon, Helper.intToEle(bitUtil.toInt(bytes, index)));
index += 4;
} else
{
pillarNodes.add(lat, lon);
}
}
if (reverse)
{
if ((mode & 1) != 0)
pillarNodes.add(nodeAccess, baseNode);
pillarNodes.reverse();
} else
{
if ((mode & 2) != 0)
pillarNodes.add(nodeAccess, adjNode);
}
return pillarNodes;
}
private void setName( long edgePointer, String name )
{
int nameIndexRef = (int) nameIndex.put(name);
if (nameIndexRef < 0)
throw new IllegalStateException("Too many names are stored, currently limited to int pointer");
edges.setInt(edgePointer + E_NAME, nameIndexRef);
}
GHBitSet getRemovedNodes()
{
if (removedNodes == null)
removedNodes = new GHBitSetImpl(getNodes());
return removedNodes;
}
private static boolean isTestingEnabled()
{
boolean enableIfAssert = false;
assert (enableIfAssert = true) : true;
return enableIfAssert;
}
private void ensureGeometry( long bytePos, int byteLength )
{
wayGeometry.ensureCapacity(bytePos + byteLength);
}
private int nextGeoRef( int arrayLength )
{
int tmp = maxGeoRef;
// one more integer to store also the size itself
maxGeoRef += arrayLength + 1;
return tmp;
}
protected static class EdgeIterable extends CommonEdgeIterator implements EdgeExplorer, EdgeIterator
{
final EdgeFilter filter;
int nextEdgeId;
public EdgeIterable( BaseGraph baseGraph, EdgeAccess edgeAccess, EdgeFilter filter )
{
super(-1, edgeAccess, baseGraph);
if (filter == null)
throw new IllegalArgumentException("Instead null filter use EdgeFilter.ALL_EDGES");
this.filter = filter;
}
final void setEdgeId( int edgeId )
{
this.nextEdgeId = this.edgeId = edgeId;
}
final boolean init( int tmpEdgeId, int expectedAdjNode )
{
setEdgeId(tmpEdgeId);
if (tmpEdgeId != EdgeIterator.NO_EDGE)
{
selectEdgeAccess();
this.edgePointer = edgeAccess.toPointer(tmpEdgeId);
}
// expect only edgePointer is properly initialized via setEdgeId
baseNode = edgeAccess.edges.getInt(edgePointer + edgeAccess.E_NODEA);
if (baseNode == EdgeAccess.NO_NODE)
throw new IllegalStateException("content of edgeId " + edgeId + " is marked as invalid - ie. the edge is already removed!");
adjNode = edgeAccess.edges.getInt(edgePointer + edgeAccess.E_NODEB);
// a next() call should return false
nextEdgeId = EdgeIterator.NO_EDGE;
if (expectedAdjNode == adjNode || expectedAdjNode == Integer.MIN_VALUE)
{
reverse = false;
return true;
} else if (expectedAdjNode == baseNode)