@Override
public Writable create(Object value, TypeConverter typeConverter, Holder<Integer> size) {
Text writable = new Text();
writable.set(typeConverter.convertTo(String.class, value));
size.value = writable.getBytes().length;
return writable;
}
@Override
public Writable create(Object value, TypeConverter typeConverter, Holder<Integer> size) {
size.value = SIZE;
BooleanWritable writable = new BooleanWritable();
writable.set(typeConverter.convertTo(Boolean.class, value));
return writable;
}
@Override
public Object read(Writable writable, Holder<Integer> size) {
size.value = ((BytesWritable) writable).getLength();
ByteBuffer bb = ByteBuffer.allocate(size.value);
bb.put(((BytesWritable) writable).getBytes(), 0, size.value);
return bb;
}
@Override
public Writable create(Object value, TypeConverter typeConverter, Holder<Integer> size) {
BytesWritable writable = new BytesWritable();
ByteBuffer bb = (ByteBuffer) value;
writable.set(bb.array(), 0, bb.array().length);
size.value = bb.array().length;
return writable;
}
private void sayHello() {
if (_helloPrx == null) {
return;
}
int delay = _delaySlider.getValue();
try {
if (!_deliveryMode.isBatch()) {
_status.setText("Sending request");
final DeliveryMode mode = _deliveryMode;
java.util.concurrent.CompletableFuture<Void> f = _helloPrx.sayHelloAsync(delay);
final Holder<Boolean> response = new Holder<Boolean>(false);
f.whenComplete(
(result, ex) -> {
if (ex == null) {
assert (!response.value);
response.value = true;
_status.setText("Ready");
} else {
assert (!response.value);
response.value = true;
handleException(ex);
}
});
com.zeroc.Ice.Util.getInvocationFuture(f)
.whenSent(
(ss, ex) -> {
if (ex == null) {
if (mode.isOneway()) {
_status.setText("Ready");
} else if (!response.value) {
_status.setText("Waiting for response");
}
}
});
} else {
_flush.setEnabled(true);
_helloPrx.sayHello(delay);
_status.setText("Queued sayHello request");
}
} catch (com.zeroc.Ice.LocalException ex) {
handleException(ex);
}
}
@Override
public long next(HdfsInputStream hdfsistr, Holder<Object> key, Holder<Object> value) {
try {
ByteArrayOutputStream bos = new ByteArrayOutputStream(hdfsistr.getChunkSize());
byte buf[] = new byte[HdfsConstants.DEFAULT_BUFFERSIZE];
int bytesRead = ((InputStream) hdfsistr.getIn()).read(buf);
if (bytesRead >= 0) {
bos.write(buf, 0, bytesRead);
key.value = null;
value.value = bos;
return bytesRead;
} else {
key.value = null;
value.value = null;
return 0;
}
} catch (IOException ex) {
throw new RuntimeCamelException(ex);
}
}
/**
* Converts the parameters to be more native friendly.
*
* @param args the array of objects to be converted.
*/
@SuppressWarnings("unchecked")
protected void messageParameters(Object[] args) {
for (int i = 0; i < args.length; i++) {
if (args[i] instanceof Holder && params[i].getNoByRef() != null) {
// massage the value of Holder, not the Holder itself
Holder h = (Holder) args[i];
h.value = params[i].getNoByRef().toNative(h.value);
} else {
args[i] = params[i].toNative(args[i]);
}
}
}
@Override
public long next(HdfsInputStream hdfsistr, Holder<Object> key, Holder<Object> value) {
try {
SequenceFile.Reader reader = (SequenceFile.Reader) hdfsistr.getIn();
Holder<Integer> keySize = new Holder<Integer>();
Writable keyWritable =
(Writable) ReflectionUtils.newInstance(reader.getKeyClass(), new Configuration());
Holder<Integer> valueSize = new Holder<Integer>();
Writable valueWritable =
(Writable) ReflectionUtils.newInstance(reader.getValueClass(), new Configuration());
if (reader.next(keyWritable, valueWritable)) {
key.value = getObject(keyWritable, keySize);
value.value = getObject(valueWritable, valueSize);
return keySize.value + valueSize.value;
} else {
return 0;
}
} catch (Exception ex) {
throw new RuntimeCamelException(ex);
}
}
private void nearest(
final Node node, final Holder<Point2D> nearest, final Point2D p, final boolean vertical) {
if (node == null) {
return;
} else if (node.key.compareTo(p) == 0) {
nearest.value = node.key;
return;
} else if (p.distanceTo(node.key) < p.distanceTo(nearest.value)) {
nearest.value = node.key;
}
if (onTheLeft(p, node.key, vertical)) {
nearest(node.left, nearest, p, !vertical);
if (distanceToVertical(p, node.key, vertical) < p.distanceTo(nearest.value)) {
nearest(node.right, nearest, p, !vertical);
}
} else if (onTheRight(p, node.key, vertical)) {
nearest(node.right, nearest, p, !vertical);
if (distanceToVertical(p, node.key, vertical) < p.distanceTo(nearest.value)) {
nearest(node.left, nearest, p, !vertical);
}
}
}
@Override
public Writable create(Object value, TypeConverter typeConverter, Holder<Integer> size) {
InputStream is = null;
try {
is = typeConverter.convertTo(InputStream.class, value);
ByteArrayOutputStream bos = new ByteArrayOutputStream();
IOUtils.copyBytes(is, bos, HdfsConstants.DEFAULT_BUFFERSIZE, false);
BytesWritable writable = new BytesWritable();
writable.set(bos.toByteArray(), 0, bos.toByteArray().length);
size.value = bos.toByteArray().length;
return writable;
} catch (IOException ex) {
throw new RuntimeCamelException(ex);
} finally {
IOHelper.close(is);
}
}
@Override
public Object read(Writable writable, Holder<Integer> size) {
size.value = SIZE;
return ((BooleanWritable) writable).get();
}
@Override
public Object read(Writable writable, Holder<Integer> size) {
size.value = 0;
return null;
}
@Override
public Writable create(Object value, TypeConverter typeConverter, Holder<Integer> size) {
size.value = 0;
return NullWritable.get();
}
@Override
public Object read(Writable writable, Holder<Integer> size) {
size.value = ((Text) writable).getLength();
return writable.toString();
}
