Package org.nd4j.common.primitives

Class CounterMap<F,S>

java.lang.Object

org.nd4j.common.primitives.CounterMap<F,S>

All Implemented Interfaces:

Serializable

public class CounterMap<F,S>
extends Object
implements Serializable

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected Map<F,Counter<S>>	maps

Constructor Summary

Constructors

Constructor	Description
CounterMap()

Method Summary

Modifier and Type	Method	Description
Pair<F,S>	argMax()	This method returns pair of elements with a max value
void	clear()	This method purges all counters
void	clear(F element)	This method purges counter for a given first element
double	getCount(F first, S second)	This method returns counts for a given first/second pair
Counter<S>	getCounter(F first)	This method returns counter for a given first element
Iterator<Pair<F,S>>	getIterator()	This method returns Iterator of all first/second pairs stored in this counter
void	incrementAll(CounterMap<F,S> other)	This method will increment values of this counter, by counts of other counter
void	incrementCount(F first, S second, double inc)	This method will increment counts for a given first/second pair
boolean	isEmpty()	This method checks if this CounterMap has any values stored
boolean	isEmpty(F element)	This method checks if this CounterMap has any values stored for a given first element
Set<F>	keySet()	This method returns Set of all first elements
double	setCount(F first, S second, double value)	This method allows you to set counter value for a given first/second pair
int	size()	This method returns number of First elements in this CounterMap
int	totalSize()	This method returns total number of elements in this CounterMap

Methods inherited from class java.lang.Object

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

Field Detail

maps

protected Map<F,Counter<S>> maps

Constructor Detail

CounterMap

public CounterMap()

Method Detail

isEmpty

public boolean isEmpty()

This method checks if this CounterMap has any values stored

Returns:

isEmpty

public boolean isEmpty(F element)

This method checks if this CounterMap has any values stored for a given first element

Parameters:

element -

Returns:

incrementAll

public void incrementAll(CounterMap<F,S> other)

This method will increment values of this counter, by counts of other counter

Parameters:

other -

incrementCount

public void incrementCount(F first,
                           S second,
                           double inc)

This method will increment counts for a given first/second pair

Parameters:

first -

second -

inc -

getCount

public double getCount(F first,
                       S second)

This method returns counts for a given first/second pair

Parameters:

first -

second -

Returns:

setCount

public double setCount(F first,
                       S second,
                       double value)

This method allows you to set counter value for a given first/second pair

Parameters:

first -

second -

value -

Returns:

argMax

public Pair<F,S> argMax()

This method returns pair of elements with a max value

Returns:

clear

public void clear()

This method purges all counters

clear

public void clear(F element)

This method purges counter for a given first element

Parameters:

element -

keySet

public Set<F> keySet()

This method returns Set of all first elements

Returns:

getCounter

public Counter<S> getCounter(F first)

This method returns counter for a given first element

Parameters:

first -

Returns:

getIterator

public Iterator<Pair<F,S>> getIterator()

This method returns Iterator of all first/second pairs stored in this counter

Returns:

size

public int size()

This method returns number of First elements in this CounterMap

Returns:

totalSize

public int totalSize()

This method returns total number of elements in this CounterMap

Returns: