/**
* {@inheritDoc}
*
* @see net.sf.hajdbc.distributed.Stateful#readState(java.io.ObjectInput)
*/
@Override
public void readState(ObjectInput input) throws IOException, ClassNotFoundException {
if (input.available() > 0) {
Set<String> databases = new TreeSet<String>();
int size = input.readInt();
for (int i = 0; i < size; ++i) {
databases.add(input.readUTF());
}
this.logger.info(
Messages.INITIAL_CLUSTER_STATE_REMOTE.getMessage(
databases, this.dispatcher.getCoordinator()));
this.stateManager.setActiveDatabases(databases);
}
}
@Override
public Document readObject(ObjectInput input) throws IOException {
if (input.available() < 5) {
// There's not enough data in the input, so return null
return null;
}
// Read the type byte ...
int type = input.readByte();
assert type == 1;
// Read the number of bytes ...
int length = input.readInt();
if (length == 0) {
return new BasicDocument();
}
// Otherwise there's data ...
byte[] bytes = new byte[length];
// Read the BSON bytes...
input.readFully(bytes);
// Convert to a document ...
return Bson.read(new ByteArrayInputStream(bytes));
}