public class AccumulativeBag extends Object implements DataBag
| Constructor and Description |
|---|
AccumulativeBag(AccumulativeTupleBuffer buffer,
int index) |
| Modifier and Type | Method and Description |
|---|---|
void |
add(Tuple t)
Add a tuple to the bag.
|
void |
addAll(DataBag b)
Add contents of a bag to the bag.
|
void |
clear()
Clear out the contents of the bag, both on disk and in memory.
|
int |
compareTo(Object other) |
boolean |
equals(Object other) |
long |
getMemorySize()
Requests that an object return an estimate of its in memory size.
|
AccumulativeTupleBuffer |
getTuplebuffer() |
int |
hashCode() |
boolean |
isDistinct()
Find out if the bag is distinct.
|
boolean |
isSorted()
Find out if the bag is sorted.
|
Iterator<Tuple> |
iterator()
Get an iterator to the bag.
|
void |
markStale(boolean stale)
This is used by FuncEvalSpec.FakeDataBag.
|
void |
readFields(DataInput datainput) |
long |
size()
Get the number of elements in the bag, both in memory and on disk.
|
long |
spill()
Instructs an object to spill whatever it can to disk and release
references to any data structures it spills.
|
void |
write(DataOutput dataoutput) |
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, waitforEach, spliteratorpublic AccumulativeBag(AccumulativeTupleBuffer buffer, int index)
public void addAll(DataBag b)
DataBagpublic void clear()
DataBagpublic boolean isDistinct()
DataBagisDistinct in interface DataBagpublic boolean isSorted()
DataBagpublic AccumulativeTupleBuffer getTuplebuffer()
public Iterator<Tuple> iterator()
DataBagpublic void markStale(boolean stale)
DataBagpublic long size()
DataBagpublic long getMemorySize()
SpillablegetMemorySize in interface Spillablepublic long spill()
Spillablepublic void readFields(DataInput datainput) throws IOException
readFields in interface org.apache.hadoop.io.WritableIOExceptionpublic void write(DataOutput dataoutput) throws IOException
write in interface org.apache.hadoop.io.WritableIOExceptionpublic int compareTo(Object other)
compareTo in interface ComparableCopyright © 2007-2017 The Apache Software Foundation