org.apache.tez.common.counters

Class AggregateTezCounterDelegate<T extends TezCounter>

java.lang.Object

org.apache.tez.common.counters.AbstractCounter

org.apache.tez.common.counters.AggregateTezCounterDelegate<T>

All Implemented Interfaces:

org.apache.hadoop.io.Writable, AggregateTezCounter, TezCounter

public class AggregateTezCounterDelegate<T extends TezCounter>
extends AbstractCounter
implements AggregateTezCounter

Constructor Summary

Constructors

Constructor and Description
AggregateTezCounterDelegate(T child)

Method Summary

Modifier and Type	Method and Description
void	aggregate(TezCounter other) Aggregate this counter with another counter
long	getCount()
String	getDisplayName() Get the display name of the counter.
long	getMax()
long	getMin()
String	getName()
TezCounter	getUnderlyingCounter() Return the underlying object if this is a facade.
long	getValue() What is the current value of this counter?
void	increment(long incr) Increment this counter by the given value
void	readFields(DataInput arg0)
void	setValue(long value) Set this counter by the given value
void	write(DataOutput arg0)

Methods inherited from class org.apache.tez.common.counters.AbstractCounter

equals, hashCode, setDisplayName, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

AggregateTezCounterDelegate

public AggregateTezCounterDelegate(T child)

Method Detail

getName

public String getName()

Specified by:

getName in interface TezCounter

Returns:

the name of the counter

getDisplayName

public String getDisplayName()

Description copied from interface: TezCounter

Get the display name of the counter.

Specified by:

getDisplayName in interface TezCounter

Returns:

the user facing name of the counter

getValue

public long getValue()

Description copied from interface: TezCounter

What is the current value of this counter?

Specified by:

getValue in interface TezCounter

Returns:

the current value

setValue

public void setValue(long value)

Description copied from interface: TezCounter

Set this counter by the given value

Specified by:

setValue in interface TezCounter

Parameters:

value - the value to set

increment

public void increment(long incr)

Description copied from interface: TezCounter

Increment this counter by the given value

Specified by:

increment in interface TezCounter

Parameters:

incr - the value to increase this counter by

aggregate

public void aggregate(TezCounter other)

Description copied from interface: TezCounter

Aggregate this counter with another counter

Specified by:

aggregate in interface AggregateTezCounter

Specified by:

aggregate in interface TezCounter

Parameters:

other - TezCounter to aggregate with, by default this is incr(other.getValue())

getUnderlyingCounter

public TezCounter getUnderlyingCounter()

Description copied from interface: TezCounter

Return the underlying object if this is a facade.

Specified by:

getUnderlyingCounter in interface TezCounter

Returns:

the undelying object.

readFields

public void readFields(DataInput arg0)
                throws IOException

Specified by:

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

Throws:

IOException

write

public void write(DataOutput arg0)
           throws IOException

Specified by:

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

Throws:

IOException

getMin

public long getMin()

Specified by:

getMin in interface AggregateTezCounter

getMax

public long getMax()

Specified by:

getMax in interface AggregateTezCounter

getCount

public long getCount()

Specified by:

getCount in interface AggregateTezCounter