public static void testWriteView() throws Exception {
List<Address> members = new ArrayList<>();
View v;
Address a1 = Util.createRandomAddress();
Address a2 = Util.createRandomAddress();
Address a4 = Util.createRandomAddress();
ViewId vid = new ViewId(a1, 12345);
members.add(a1);
members.add(a2);
members.add(a4);
v = new View(vid, members);
ByteArrayOutputStream outstream = new ByteArrayOutputStream();
DataOutputStream dos = new DataOutputStream(outstream);
Util.writeGenericStreamable(v, dos);
Util.writeStreamable(v, dos);
dos.close();
byte[] buf = outstream.toByteArray();
ByteArrayInputStream instream = new ByteArrayInputStream(buf);
DataInputStream dis = new DataInputStream(instream);
View v2 = (View) Util.readGenericStreamable(dis);
Assert.assertEquals(v, v2);
v2 = (View) Util.readStreamable(View.class, dis);
Assert.assertEquals(v, v2);
}
public static void testWriteStreamable() throws Exception {
Message m = new Message(null, null, "Hello");
ViewId vid2 = new ViewId(Util.createRandomAddress(), 35623);
ByteArrayOutputStream outstream = new ByteArrayOutputStream();
DataOutputStream dos = new DataOutputStream(outstream);
Util.writeGenericStreamable(m, dos);
Util.writeGenericStreamable(vid2, dos);
dos.close();
byte[] buf = outstream.toByteArray();
ByteArrayInputStream instream = new ByteArrayInputStream(buf);
DataInputStream dis = new DataInputStream(instream);
Message m2 = (Message) Util.readGenericStreamable(dis);
ViewId v3 = (ViewId) Util.readGenericStreamable(dis);
assert m2.getBuffer() != null;
Assert.assertEquals(m.getLength(), m2.getLength());
assert v3 != null;
}
public void writeTo(DataOutput out) throws Exception {
out.writeByte(type.ordinal());
// We can't use Util.writeObject since it's size is limited to 2^15-1
try {
if (object instanceof Streamable) {
out.writeShort(-1);
Util.writeGenericStreamable((Streamable) object, out);
} else {
byte[] bytes = Util.objectToByteBuffer(object);
out.writeInt(bytes.length);
out.write(bytes);
}
} catch (IOException e) {
throw e;
} catch (Exception e) {
throw new IOException("Exception encountered while serializing execution request", e);
}
out.writeLong(request);
}