public static FragmentWritableBatch getEmptyLastWithSchema(
QueryId queryId,
int sendMajorFragmentId,
int sendMinorFragmentId,
int receiveMajorFragmentId,
int receiveMinorFragmentId,
BatchSchema schema) {
List<SerializedField> fields = Lists.newArrayList();
for (MaterializedField field : schema) {
fields.add(field.getAsBuilder().build());
}
RecordBatchDef def = RecordBatchDef.newBuilder().addAllField(fields).build();
return new FragmentWritableBatch(
true,
queryId,
sendMajorFragmentId,
sendMinorFragmentId,
receiveMajorFragmentId,
receiveMinorFragmentId,
def);
}
public class FragmentWritableBatch {
static final org.slf4j.Logger logger =
org.slf4j.LoggerFactory.getLogger(FragmentWritableBatch.class);
private static RecordBatchDef EMPTY_DEF = RecordBatchDef.newBuilder().setRecordCount(0).build();
private final ByteBuf[] buffers;
private final FragmentRecordBatch header;
public FragmentWritableBatch(
boolean isLast,
QueryId queryId,
int sendMajorFragmentId,
int sendMinorFragmentId,
int receiveMajorFragmentId,
int receiveMinorFragmentId,
WritableBatch batch) {
this(
isLast,
queryId,
sendMajorFragmentId,
sendMinorFragmentId,
receiveMajorFragmentId,
receiveMinorFragmentId,
batch.getDef(),
batch.getBuffers());
}
private FragmentWritableBatch(
boolean isLast,
QueryId queryId,
int sendMajorFragmentId,
int sendMinorFragmentId,
int receiveMajorFragmentId,
int receiveMinorFragmentId,
RecordBatchDef def,
ByteBuf... buffers) {
this.buffers = buffers;
FragmentHandle handle =
FragmentHandle //
.newBuilder() //
.setMajorFragmentId(receiveMajorFragmentId) //
.setMinorFragmentId(receiveMinorFragmentId) //
.setQueryId(queryId) //
.build();
this.header =
FragmentRecordBatch //
.newBuilder() //
.setIsLastBatch(isLast) //
.setDef(def) //
.setHandle(handle) //
.setSendingMajorFragmentId(sendMajorFragmentId) //
.setSendingMinorFragmentId(sendMinorFragmentId) //
.build();
}
public static FragmentWritableBatch getEmptyLast(
QueryId queryId,
int sendMajorFragmentId,
int sendMinorFragmentId,
int receiveMajorFragmentId,
int receiveMinorFragmentId) {
return new FragmentWritableBatch(
true,
queryId,
sendMajorFragmentId,
sendMinorFragmentId,
receiveMajorFragmentId,
receiveMinorFragmentId,
EMPTY_DEF);
}
public static FragmentWritableBatch getEmptyLastWithSchema(
QueryId queryId,
int sendMajorFragmentId,
int sendMinorFragmentId,
int receiveMajorFragmentId,
int receiveMinorFragmentId,
BatchSchema schema) {
List<SerializedField> fields = Lists.newArrayList();
for (MaterializedField field : schema) {
fields.add(field.getAsBuilder().build());
}
RecordBatchDef def = RecordBatchDef.newBuilder().addAllField(fields).build();
return new FragmentWritableBatch(
true,
queryId,
sendMajorFragmentId,
sendMinorFragmentId,
receiveMajorFragmentId,
receiveMinorFragmentId,
def);
}
public ByteBuf[] getBuffers() {
return buffers;
}
public long getByteCount() {
long n = 0;
for (ByteBuf buf : buffers) {
n += buf.readableBytes();
}
return n;
}
public FragmentRecordBatch getHeader() {
return header;
}
}