org.apache.hadoop.zebra.io

Class BasicTableStatus

java.lang.Object

org.apache.hadoop.zebra.io.BasicTableStatus

All Implemented Interfaces:

org.apache.hadoop.io.Writable

public final class BasicTableStatus
extends java.lang.Object
implements org.apache.hadoop.io.Writable

Status of a BasicTable. The status may be reported under some projection. Projection is needed because the size of a BasicTable may be affected by the projection.

Constructor Summary

Constructors

Constructor and Description
BasicTableStatus()

Method Summary

Methods

Modifier and Type	Method and Description
org.apache.hadoop.io.BytesWritable	getBeginKey() Get the begin key.
org.apache.hadoop.io.BytesWritable	getEndKey() Get the end key.
long	getRows() Get the # of rows of the BasicTable.
long	getSize() Get the size in bytes of the BasicTable.
void	readFields(java.io.DataInput in)
void	write(java.io.DataOutput out)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BasicTableStatus

public BasicTableStatus()

Method Detail

getBeginKey

public org.apache.hadoop.io.BytesWritable getBeginKey()

Get the begin key. If the begin key is unknown, null will be returned.

Returns:

begin key.

getEndKey

public org.apache.hadoop.io.BytesWritable getEndKey()

Get the end key. If the end key is unknown, null will be returned.

Returns:

end key.

getSize

public long getSize()

Get the size in bytes of the BasicTable.

Returns:

Size (in bytes) of all files that make up the BasicTable.

getRows

public long getRows()

Get the # of rows of the BasicTable. If the # of rows is unknown, -1 will be returned.

Returns:

Number of rows of the BasicTable.

readFields

public void readFields(java.io.DataInput in)
                throws java.io.IOException

Specified by:

readFields in interface org.apache.hadoop.io.Writable

Throws:

java.io.IOException

See Also:

Writable.readFields(DataInput)

write

public void write(java.io.DataOutput out)
           throws java.io.IOException

Specified by:

write in interface org.apache.hadoop.io.Writable

Throws:

java.io.IOException

See Also:

Writable.write(DataOutput)