@Override
public Object readObject(Unmarshaller input) throws IOException, ClassNotFoundException {
int readerIndex = input.readUnsignedByte();
int foreignId = -1;
if (readerIndex == Ids.MAX_ID) {
// User defined externalizer
foreignId = UnsignedNumeric.readUnsignedInt(input);
readerIndex = generateForeignReaderIndex(foreignId);
}
ExternalizerAdapter adapter = readers.get(readerIndex);
if (adapter == null) {
if (!started) {
log.tracef(
"Either the marshaller has stopped or hasn't started. Read externalizers are not properly populated: %s",
readers);
if (Thread.currentThread().isInterrupted()) {
throw log.pushReadInterruptionDueToCacheManagerShutdown(
readerIndex, new InterruptedException());
} else {
throw log.cannotResolveExternalizerReader(gcr.getStatus(), readerIndex);
}
} else {
if (log.isTraceEnabled()) {
log.tracef("Unknown type. Input stream has %s to read", input.available());
log.tracef("Check contents of read externalizers: %s", readers);
}
if (foreignId > 0) throw log.missingForeignExternalizer(foreignId);
throw log.unknownExternalizerReaderIndex(readerIndex);
}
}
return adapter.readObject(input);
}
