public Portable[] readPortableArray(String fieldName) throws IOException {
FieldDefinition fd = cd.getField(fieldName);
if (fd == null) {
throw throwUnknownFieldException(fieldName);
}
if (fd.getType() != FieldType.PORTABLE_ARRAY) {
throw new HazelcastSerializationException("Not a Portable array field: " + fieldName);
}
final int currentPos = in.position();
try {
int pos = readPosition(fd);
in.position(pos);
final int len = in.readInt();
final Portable[] portables = new Portable[len];
if (len > 0) {
final int offset = in.position();
for (int i = 0; i < len; i++) {
final int start = in.readInt(offset + i * 4);
in.position(start);
portables[i] =
serializer.readAndInitialize(in, fd.getFactoryId(), fd.getClassId(), fd.getVersion());
}
}
return portables;
} finally {
in.position(currentPos);
}
}
private int readPosition(String fieldName, FieldType type) throws IOException {
if (raw) {
throw new HazelcastSerializationException(
"Cannot read Portable fields after getRawDataInput() is called!");
}
FieldDefinition fd = cd.getField(fieldName);
if (fd == null) {
return readNestedPosition(fieldName, type);
}
if (fd.getType() != type) {
throw new HazelcastSerializationException("Not a '" + type + "' field: " + fieldName);
}
return readPosition(fd);
}
public Portable readPortable(String fieldName) throws IOException {
FieldDefinition fd = cd.getField(fieldName);
if (fd == null) {
throw throwUnknownFieldException(fieldName);
}
if (fd.getType() != FieldType.PORTABLE) {
throw new HazelcastSerializationException("Not a Portable field: " + fieldName);
}
final int currentPos = in.position();
try {
int pos = readPosition(fd);
in.position(pos);
final boolean isNull = in.readBoolean();
if (!isNull) {
return serializer.readAndInitialize(
in, fd.getFactoryId(), fd.getClassId(), fd.getVersion());
}
return null;
} finally {
in.position(currentPos);
}
}
