public static class SleepJob.EmptySplit extends Object implements InputSplit
构造器和说明 |
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SleepJob.EmptySplit() |
限定符和类型 | 方法和说明 |
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long |
getLength()
Get the total number of bytes in the data of the
InputSplit . |
String[] |
getLocations()
Get the list of hostnames where the input split is located.
|
void |
readFields(DataInput in)
Deserialize the fields of this object from
in . |
void |
write(DataOutput out)
Serialize the fields of this object to
out . |
public void write(DataOutput out) throws IOException
Writable
out
.write
在接口中 Writable
out
- DataOuput
to serialize this object into.IOException
public void readFields(DataInput in) throws IOException
Writable
in
.
For efficiency, implementations should attempt to re-use storage in the existing object where possible.
readFields
在接口中 Writable
in
- DataInput
to deseriablize this object from.IOException
public long getLength()
InputSplit
InputSplit
.getLength
在接口中 InputSplit
public String[] getLocations()
InputSplit
getLocations
在接口中 InputSplit
InputSplit
is
located as an array of String
s.Copyright © 2009 The Apache Software Foundation