/**
* Uses the initialized Kryo instance from the JobConf to test if Kryo will accept the class
*
* @param aClass
* @return
*/
public boolean accept(Class<?> aClass) {
try {
return (testKryo.getRegistration(aClass) != null);
} catch (IllegalArgumentException e) {
return false;
}
}
@Override
public void write(Kryo kryo, Output output) {
output.writeInt(objectID, true);
int methodClassID = kryo.getRegistration(method.getDeclaringClass()).getId();
output.writeInt(methodClassID, true);
CachedMethod[] cachedMethods = getMethods(kryo, method.getDeclaringClass());
CachedMethod cachedMethod = null;
for (int i = 0, n = cachedMethods.length; i < n; i++) {
cachedMethod = cachedMethods[i];
if (cachedMethod.method.equals(method)) {
output.writeByte(i);
break;
}
}
for (int i = 0, n = cachedMethod.serializers.length; i < n; i++) {
Serializer serializer = cachedMethod.serializers[i];
if (serializer != null) {
kryo.writeObjectOrNull(output, args[i], serializer);
} else {
kryo.writeClassAndObject(output, args[i]);
}
}
output.writeByte(responseID);
}
@Override
public void read(Kryo kryo, Input input) {
objectID = input.readInt(true);
int methodClassID = input.readInt(true);
Class methodClass = kryo.getRegistration(methodClassID).getType();
byte methodIndex = input.readByte();
CachedMethod cachedMethod;
try {
cachedMethod = getMethods(kryo, methodClass)[methodIndex];
} catch (IndexOutOfBoundsException ex) {
throw new KryoException(
"Invalid method index " + methodIndex + " for class: " + methodClass.getName());
}
method = cachedMethod.method;
args = new Object[cachedMethod.serializers.length];
for (int i = 0, n = args.length; i < n; i++) {
Serializer serializer = cachedMethod.serializers[i];
if (serializer != null) {
args[i] = kryo.readObjectOrNull(input, method.getParameterTypes()[i], serializer);
} else {
args[i] = kryo.readClassAndObject(input);
}
}
responseID = input.readByte();
}
/**
* Checks if the given class is registered with the RPC service.
*
* @param throwableType the class to check
* @return <code>true</code> if the given class is registered with the RPC service, <code>false
* </code> otherwise
*/
private boolean isThrowableRegistered(final Class<? extends Throwable> throwableType) {
final Kryo kryo = KryoUtil.getKryo();
try {
kryo.getRegistration(throwableType);
} catch (final IllegalArgumentException e) {
return false;
}
return true;
}