public double saveBinaryFileWithBuffer() {
double time = System.nanoTime();
File file = new File("C:\\Users\\rvanduijnhoven\\Documents\\jsfoutput\\binFileWithBuffer.bin");
DataOutputStream outPut = null;
DataInputStream inPut = null;
FileOutputStream fileOut = null;
FileInputStream fileIn = null;
BufferedInputStream buffInput = null;
BufferedOutputStream buffOut = null;
try {
fileOut = new FileOutputStream(file);
buffOut = new BufferedOutputStream(fileOut);
outPut = new DataOutputStream(buffOut);
for (Edge e : edges) {
outPut.writeDouble(e.X1);
outPut.writeDouble(e.Y1);
outPut.writeDouble(e.X2);
outPut.writeDouble(e.Y2);
outPut.writeDouble(e.color.getRed());
outPut.writeDouble(e.color.getGreen());
outPut.writeDouble(e.color.getBlue());
outPut.flush();
}
outPut.close();
} catch (Exception ex) {
ex.printStackTrace();
}
edges.clear();
// Now read every edge from the file and draw it.
try {
fileIn = new FileInputStream(file);
buffInput = new BufferedInputStream(fileIn);
inPut = new DataInputStream(buffInput);
if (inPut.available() > 0) {
while (inPut.available() > 0) {
double X1 = inPut.readDouble();
double Y1 = inPut.readDouble();
double X2 = inPut.readDouble();
double Y2 = inPut.readDouble();
double red = inPut.readDouble();
double green = inPut.readDouble();
double blue = inPut.readDouble();
Edge e = new Edge(X1, Y1, X2, Y2, new Color(red, green, blue, 1));
drawEdge(e);
}
}
} catch (Exception ex) {
ex.printStackTrace();
}
return System.nanoTime() - time;
}
/**
* Tries to lock all local shards for the given index. If any of the shard locks can't be acquired
* an {@link LockObtainFailedException} is thrown and all previously acquired locks are released.
*
* @param index the index to lock shards for
* @param lockTimeoutMS how long to wait for acquiring the indices shard locks
* @return the {@link ShardLock} instances for this index.
* @throws IOException if an IOException occurs.
*/
public List<ShardLock> lockAllForIndex(
Index index, @IndexSettings Settings settings, long lockTimeoutMS) throws IOException {
final Integer numShards = settings.getAsInt(IndexMetaData.SETTING_NUMBER_OF_SHARDS, null);
if (numShards == null || numShards <= 0) {
throw new IllegalArgumentException("settings must contain a non-null > 0 number of shards");
}
logger.trace("locking all shards for index {} - [{}]", index, numShards);
List<ShardLock> allLocks = new ArrayList<>(numShards);
boolean success = false;
long startTimeNS = System.nanoTime();
try {
for (int i = 0; i < numShards; i++) {
long timeoutLeftMS =
Math.max(0, lockTimeoutMS - TimeValue.nsecToMSec((System.nanoTime() - startTimeNS)));
allLocks.add(shardLock(new ShardId(index, i), timeoutLeftMS));
}
success = true;
} finally {
if (success == false) {
logger.trace("unable to lock all shards for index {}", index);
IOUtils.closeWhileHandlingException(allLocks);
}
}
return allLocks;
}
public double saveBinaryFileNoBuffer() throws IOException {
double time = System.nanoTime();
File file =
new File("C:\\Users\\rvanduijnhoven\\Documents\\jsfoutput\\binFileWithoutBuffer.bin");
FileChannel fileChannel = null;
MappedByteBuffer map = null;
int counter = 0;
try {
// fileOut = new FileOutputStream(file);
// outPut = new DataOutputStream(fileOut);
fileChannel = new RandomAccessFile(file, "rw").getChannel();
map = fileChannel.map(FileChannel.MapMode.READ_WRITE, 0, 4096 * 128 * 128);
counter = edges.size();
for (Edge e : edges) {
map.putDouble(e.X1);
map.putDouble(e.Y1);
map.putDouble(e.X2);
map.putDouble(e.Y2);
map.putDouble(e.color.getRed());
map.putDouble(e.color.getGreen());
map.putDouble(e.color.getBlue());
}
} catch (Exception ex) {
ex.printStackTrace();
}
edges.clear();
map.position(0);
// Now read every edge from the file and draw it.
try {
// fileIn = new FileInputStream(file);
// inPut = new DataInputStream(fileIn);
fileChannel = new RandomAccessFile(file, "r").getChannel();
map = fileChannel.map(FileChannel.MapMode.READ_ONLY, 0, 4096 * 128 * 128);
for (int i = 0; i <= counter; i++) {
double X1 = map.getDouble();
double Y1 = map.getDouble();
double X2 = map.getDouble();
double Y2 = map.getDouble();
double red = map.getDouble();
double green = map.getDouble();
double blue = map.getDouble();
Edge e = new Edge(X1, Y1, X2, Y2, new Color(red, green, blue, 1));
drawEdge(e);
}
} catch (Exception ex) {
ex.printStackTrace();
}
return System.nanoTime() - time;
}
public double loadBinaryFile() throws IOException {
double time = System.nanoTime();
File file = new File("C:\\Users\\rvanduijnhoven\\Documents\\jsfoutput\\jsfweek14.bin");
FileChannel fileChannel = null;
MappedByteBuffer map = null;
int counter = 0;
// Now read every edge from the file and draw it.
try {
// fileIn = new FileInputStream(file);
// inPut = new DataInputStream(fileIn);
fileChannel = new RandomAccessFile(file, "r").getChannel();
map = fileChannel.map(FileChannel.MapMode.READ_ONLY, 0, 4096 * 128 * 128);
double d = map.getDouble();
currentLevel = (int) d;
counter = (int) (3 * Math.pow(4, currentLevel - 1));
for (int i = 0; i <= counter; i++) {
double X1 = map.getDouble();
double Y1 = map.getDouble();
double X2 = map.getDouble();
double Y2 = map.getDouble();
double red = map.getDouble();
double green = map.getDouble();
double blue = map.getDouble();
Edge e = new Edge(X1, Y1, X2, Y2, new Color(red, green, blue, 1));
drawEdge(e);
}
} catch (Exception ex) {
ex.printStackTrace();
} finally {
fileChannel.close();
map.clear();
}
return System.nanoTime() - time;
}