public static final class JoinOperation.JoinKey extends Object implements org.apache.hadoop.io.Writable
Constructor and Description |
---|
JoinOperation.JoinKey() |
JoinOperation.JoinKey(byte t,
MRData k) |
public byte tag
public MRData key
JoinOperation.JoinKey()
JoinOperation.JoinKey(byte t, MRData k)
public void write(DataOutput out) throws IOException
write
in interface org.apache.hadoop.io.Writable
IOException
public void readFields(DataInput in) throws IOException
readFields
in interface org.apache.hadoop.io.Writable
IOException
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