@Override
public void write(DataOutput out) throws IOException {
out.writeInt(groupId);
out.writeInt(partitioningColumnId == null ? -1 : partitioningColumnId);
out.writeInt(tableId);
out.writeInt(ranges == null ? -1 : ranges.length);
if (ranges != null) {
for (ValueRange range : ranges) {
if (range == null) {
range = new ValueRange(); // this will not happen, but let's make it sure
}
range.write(out);
}
}
out.writeInt(linkedGroupId == null ? -1 : linkedGroupId.intValue());
}
@Override
public void readFields(DataInput in) throws IOException {
groupId = in.readInt();
partitioningColumnId = in.readInt();
if (partitioningColumnId < 0) {
partitioningColumnId = null;
}
tableId = in.readInt();
int len = in.readInt();
if (len < 0) {
ranges = null;
} else {
ranges = new ValueRange[len];
for (int i = 0; i < len; ++i) {
ranges[i] = ValueRange.read(in);
}
}
linkedGroupId = in.readInt();
if (linkedGroupId == -1) {
linkedGroupId = null;
}
}