com.graphhopper.util.Helper.close()方法的使用及代码示例

x33g5p2x  于2022-01-20 转载在 其他  
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本文整理了Java中com.graphhopper.util.Helper.close()方法的一些代码示例，展示了Helper.close()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Helper.close()方法的具体详情如下：
包路径：com.graphhopper.util.Helper
类名称：Helper
方法名：close

Helper.close介绍

暂无

代码示例

代码示例来源：origin: graphhopper/graphhopper

  1. protected String getJson(String url) throws IOException {
  2.   Request okRequest = new Request.Builder().url(url).build();
  3.   ResponseBody body = null;
  4.   try {
  5.     body = downloader.newCall(okRequest).execute().body();
  6.     return body.string();
  7.   } finally {
  8.     Helper.close(body);
  9.   }
  10. }

代码示例来源：origin: graphhopper/graphhopper

  1. protected String postJson(String url, JsonNode data) throws IOException {
  2.   Request okRequest = new Request.Builder().url(url).post(RequestBody.create(MT_JSON, data.toString())).build();
  3.   ResponseBody body = null;
  4.   try {
  5.     body = downloader.newCall(okRequest).execute().body();
  6.     return body.string();
  7.   } finally {
  8.     Helper.close(body);
  9.   }
  10. }

代码示例来源：origin: graphhopper/graphhopper

  1. @Override
  2. byte[] readFile(File file) throws IOException {
  3.   InputStream is = new FileInputStream(file);
  4.   BufferedInputStream buff = new BufferedInputStream(is);
  5.   ByteArrayOutputStream os = new ByteArrayOutputStream();
  6.   byte[] buffer = new byte[0xFFFF];
  7.   int len;
  8.   while ((len = buff.read(buffer)) > 0) {
  9.     os.write(buffer, 0, len);
  10.   }
  11.   os.flush();
  12.   close(buff);
  13.   return os.toByteArray();
  14. }

代码示例来源：origin: graphhopper/graphhopper

  1. @Override
  2. byte[] readFile(File file) throws IOException {
  3.   InputStream is = new FileInputStream(file);
  4.   ZipInputStream zis = new ZipInputStream(is);
  5.   zis.getNextEntry();
  6.   BufferedInputStream buff = new BufferedInputStream(zis);
  7.   ByteArrayOutputStream os = new ByteArrayOutputStream();
  8.   byte[] buffer = new byte[0xFFFF];
  9.   int len;
  10.   while ((len = buff.read(buffer)) > 0) {
  11.     os.write(buffer, 0, len);
  12.   }
  13.   os.flush();
  14.   Helper.close(buff);
  15.   return os.toByteArray();
  16. }

代码示例来源：origin: graphhopper/graphhopper

  1. public void downloadFile(String url, String toFile) throws IOException {
  2.   HttpURLConnection conn = createConnection(url);
  3.   InputStream iStream = fetch(conn, false);
  4.   int size = 8 * 1024;
  5.   BufferedOutputStream writer = new BufferedOutputStream(new FileOutputStream(toFile), size);
  6.   InputStream in = new BufferedInputStream(iStream, size);
  7.   try {
  8.     byte[] buffer = new byte[size];
  9.     int numRead;
  10.     while ((numRead = in.read(buffer)) != -1) {
  11.       writer.write(buffer, 0, numRead);
  12.     }
  13.   } finally {
  14.     Helper.close(iStream);
  15.     Helper.close(writer);
  16.     Helper.close(in);
  17.   }
  18. }

代码示例来源：origin: graphhopper/graphhopper

  1. /**
  2.  * @param forceClean if true the clean hack (system.gc) will be executed and forces the system
  3.  *                   to cleanup the mmap resources. Set false if you need to close many MMapDataAccess objects.
  4.  */
  5. void close(boolean forceClean) {
  6.   clean(0, segments.size());
  7.   segments.clear();
  8.   Helper.close(raFile);
  9.   if (forceClean)
  10.     Helper.cleanHack();
  11. }

代码示例来源：origin: graphhopper/graphhopper

  1. @Override
  2. Raster generateRasterFromFile(File file, String tifName) {
  3.   SeekableStream ss = null;
  4.   try {
  5.     InputStream is = new FileInputStream(file);
  6.     ZipInputStream zis = new ZipInputStream(is);
  7.     // find tif file in zip
  8.     ZipEntry entry = zis.getNextEntry();
  9.     while (entry != null && !entry.getName().equals(tifName)) {
  10.       entry = zis.getNextEntry();
  11.     }
  12.     ss = SeekableStream.wrapInputStream(zis, true);
  13.     TIFFImageDecoder imageDecoder = new TIFFImageDecoder(ss, new TIFFDecodeParam());
  14.     return imageDecoder.decodeAsRaster();
  15.   } catch (Exception e) {
  16.     throw new RuntimeException("Can't decode " + tifName, e);
  17.   } finally {
  18.     if (ss != null)
  19.       Helper.close(ss);
  20.   }
  21. }

代码示例来源：origin: graphhopper/graphhopper

  1. @Override
  2. Raster generateRasterFromFile(File file, String tifName) {
  3.   SeekableStream ss = null;
  4.   try {
  5.     InputStream is = new FileInputStream(file);
  6.     ss = SeekableStream.wrapInputStream(is, true);
  7.     TIFFImageDecoder imageDecoder = new TIFFImageDecoder(ss, new TIFFDecodeParam());
  8.     return imageDecoder.decodeAsRaster();
  9.   } catch (Exception e) {
  10.     throw new RuntimeException("Can't decode " + file.getName(), e);
  11.   } finally {
  12.     if (ss != null)
  13.       close(ss);
  14.   }
  15. }

代码示例来源：origin: graphhopper/graphhopper

  1. @After
  2. public void tearDown() {
  3.   Helper.close(graph);
  4. }

代码示例来源：origin: graphhopper/graphhopper

  1. @After
  2. public void tearDown() {
  3.   Helper.close((Closeable) graph);
  4.   Helper.removeDir(new File(locationParent));
  5. }

代码示例来源：origin: graphhopper/graphhopper

  1. @After
  2. public void tearDown() {
  3.   Helper.close((Closeable) graph);
  4.   Helper.removeDir(new File(locationParent));
  5. }

代码示例来源：origin: graphhopper/graphhopper

  1. @Override
  2. public GHResponse route(GHRequest request) {
  3.   ResponseBody rspBody = null;
  4.   try {
  5.     Request okRequest = createRequest(request);
  6.     rspBody = getClientForRequest(request).newCall(okRequest).execute().body();
  7.     JsonNode json = objectMapper.reader().readTree(rspBody.byteStream());
  8.     GHResponse res = new GHResponse();
  9.     res.addErrors(readErrors(json));
  10.     if (res.hasErrors())
  11.       return res;
  12.     JsonNode paths = json.get("paths");
  13.     boolean tmpElevation = request.getHints().getBool("elevation", elevation);
  14.     boolean tmpTurnDescription = request.getHints().getBool("turn_description", true);
  15.     for (JsonNode path : paths) {
  16.       PathWrapper altRsp = createPathWrapper(path, tmpElevation, tmpTurnDescription);
  17.       res.add(altRsp);
  18.     }
  19.     return res;
  20.   } catch (Exception ex) {
  21.     throw new RuntimeException("Problem while fetching path " + request.getPoints() + ": " + ex.getMessage(), ex);
  22.   } finally {
  23.     Helper.close(rspBody);
  24.   }
  25. }

代码示例来源：origin: graphhopper/graphhopper

  1. @Test
  2. public void testNoErrorOnEdgeCase_lastIndex() {
  3.   final EncodingManager encodingManager = new EncodingManager("car");
  4.   int locs = 10000;
  5.   Graph g = AbstractLocationIndexTester.this.createGHStorage(new MMapDirectory(location), encodingManager, false);
  6.   NodeAccess na = g.getNodeAccess();
  7.   Random rand = new Random(12);
  8.   for (int i = 0; i < locs; i++) {
  9.     na.setNode(i, (float) rand.nextDouble() * 10 + 10, (float) rand.nextDouble() * 10 + 10);
  10.   }
  11.   idx = createIndex(g, 200);
  12.   Helper.close((Closeable) g);
  13. }

代码示例来源：origin: graphhopper/graphhopper

  1. @Test
  2. public void testGetLocations() {
  3.   graph = createGHStorage();
  4.   NodeAccess na = graph.getNodeAccess();
  5.   na.setNode(0, 12, 23);
  6.   na.setNode(1, 22, 23);
  7.   assertEquals(2, graph.getNodes());
  8.   graph.edge(0, 1, 10, true);
  9.   assertEquals(2, graph.getNodes());
  10.   graph.edge(0, 2, 10, true);
  11.   assertEquals(3, graph.getNodes());
  12.   Helper.close((Closeable) graph);
  13.   graph = createGHStorage();
  14.   assertEquals(0, graph.getNodes());
  15. }

代码示例来源：origin: graphhopper/graphhopper

  1. @Test
  2. public void testSinglePoints120() {
  3.   Graph g = createSampleGraph(new EncodingManager("car"));
  4.   idx = createIndex(g, -1);
  5.   assertEquals(1, findID(idx, 1.637, 2.23));
  6.   assertEquals(10, findID(idx, 3.649, 1.375));
  7.   assertEquals(9, findID(idx, 3.3, 2.2));
  8.   assertEquals(6, findID(idx, 3.0, 1.5));
  9.   assertEquals(10, findID(idx, 3.8, 0));
  10.   assertEquals(10, findID(idx, 3.8466, 0.021));
  11.   Helper.close((Closeable) g);
  12. }

代码示例来源：origin: graphhopper/graphhopper

  1. @Test
  2. public void testSinglePoints32() {
  3.   Graph g = createSampleGraph(new EncodingManager("car"));
  4.   idx = createIndex(g, -1);
  5.   // 10 or 6
  6.   assertEquals(10, findID(idx, 3.649, 1.375));
  7.   assertEquals(10, findID(idx, 3.8465748, 0.021762699));
  8.   if (hasEdgeSupport()) {
  9.     assertEquals(4, findID(idx, 2.485, 1.373));
  10.   } else {
  11.     assertEquals(6, findID(idx, 2.485, 1.373));
  12.   }
  13.   assertEquals(0, findID(idx, 0.64628404, 0.53006625));
  14.   Helper.close((Closeable) g);
  15. }

代码示例来源：origin: graphhopper/graphhopper

  1. @Test
  2. public void testSimpleGraph() {
  3.   Graph g = AbstractLocationIndexTester.this.createGHStorage(new EncodingManager("car"));
  4.   initSimpleGraph(g);
  5.   idx = createIndex(g, -1);
  6.   assertEquals(4, findID(idx, 5, 2));
  7.   assertEquals(3, findID(idx, 1.5, 2));
  8.   assertEquals(0, findID(idx, -1, -1));
  9.   if (hasEdgeSupport()) // now get the edge 1-4 and not node 6
  10.   {
  11.     assertEquals(4, findID(idx, 4, 0));
  12.   } else {
  13.     assertEquals(6, findID(idx, 4, 0));
  14.   }
  15.   Helper.close((Closeable) g);
  16. }

代码示例来源：origin: graphhopper/graphhopper

  1. @Test
  2.   public void testDifferentVehicles() {
  3.     final EncodingManager encodingManager = new EncodingManager("car,foot");
  4.     Graph g = AbstractLocationIndexTester.this.createGHStorage(encodingManager);
  5.     initSimpleGraph(g);
  6.     idx = createIndex(g, -1);
  7.     assertEquals(1, findID(idx, 1, -1));
  9.     // now make all edges from node 1 accessible for CAR only
  10.     EdgeIterator iter = g.createEdgeExplorer().setBaseNode(1);
  11.     CarFlagEncoder carEncoder = (CarFlagEncoder) encodingManager.getEncoder("car");
  12.     while (iter.next()) {
  13.       iter.setFlags(carEncoder.setProperties(50, true, true));
  14.     }
  15.     idx.close();
  17.     idx = createIndex(g, -1);
  18.     FootFlagEncoder footEncoder = (FootFlagEncoder) encodingManager.getEncoder("foot");
  19.     assertEquals(2, idx.findClosest(1, -1, DefaultEdgeFilter.allEdges(footEncoder)).getClosestNode());
  20.     Helper.close((Closeable) g);
  21.   }
  22. }

代码示例来源：origin: graphhopper/graphhopper

  1. @Test
  2. public void testClone() {
  3.   graph = createGHStorage();
  4.   graph.edge(1, 2, 10, true);
  5.   NodeAccess na = graph.getNodeAccess();
  6.   na.setNode(0, 12, 23);
  7.   na.setNode(1, 8, 13);
  8.   na.setNode(2, 2, 10);
  9.   na.setNode(3, 5, 9);
  10.   graph.edge(1, 3, 10, true);
  11.   Graph cloneGraph = graph.copyTo(AbstractGraphStorageTester.this.createGHStorage(locationParent + "/clone", false));
  12.   assertEquals(graph.getNodes(), cloneGraph.getNodes());
  13.   assertEquals(count(carOutExplorer.setBaseNode(1)), count(cloneGraph.createEdgeExplorer(carOutFilter).setBaseNode(1)));
  14.   cloneGraph.edge(1, 4, 10, true);
  15.   assertEquals(3, count(cloneGraph.createEdgeExplorer(carOutFilter).setBaseNode(1)));
  16.   assertEquals(graph.getBounds(), cloneGraph.getBounds());
  17.   Helper.close((Closeable) cloneGraph);
  18. }

代码示例来源：origin: graphhopper/graphhopper

  1. @Test
  2. public void testSimpleGraph2() {
  3.   Graph g = AbstractLocationIndexTester.this.createGHStorage(new EncodingManager("car"));
  4.   initSimpleGraph(g);
  5.   idx = createIndex(g, -1);
  6.   assertEquals(4, findID(idx, 5, 2));
  7.   assertEquals(3, findID(idx, 1.5, 2));
  8.   assertEquals(0, findID(idx, -1, -1));
  9.   assertEquals(6, findID(idx, 4.5, -0.5));
  10.   if (hasEdgeSupport()) {
  11.     assertEquals(4, findID(idx, 4, 1));
  12.     assertEquals(4, findID(idx, 4, 0));
  13.   } else {
  14.     assertEquals(6, findID(idx, 4, 1));
  15.     assertEquals(6, findID(idx, 4, 0));
  16.   }
  17.   assertEquals(6, findID(idx, 4, -2));
  18.   assertEquals(5, findID(idx, 3, 3));
  19.   Helper.close((Closeable) g);
  20. }

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