SmallestPriorityQueue (Apache SystemDS 3.2.0-SNAPSHOT API)

java.lang.Object
- org.apache.sysds.runtime.matrix.data.sketch.countdistinctapprox.SmallestPriorityQueue

```
public class SmallestPriorityQueue
extends Object
```
Deceiving name, but is used to contain the k smallest values inserted. TODO: Replace Standard Java Set and Priority Queue with optimized versions.

Constructor Summary

Constructors
Constructor Description

SmallestPriorityQueue(int k)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`add(double v)`
`void`	`clear()`
`boolean`	`isEmpty()`
`double`	`peek()`
`double`	`poll()`
`int`	`size()`
`String`	`toString()`

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

SmallestPriorityQueue

public SmallestPriorityQueue(int k)

Method Detail

add
```
public void add(double v)
```

size
```
public int size()
```

peek
```
public double peek()
```

poll
```
public double poll()
```

isEmpty
```
public boolean isEmpty()
```

clear
```
public void clear()
```

toString
```
public String toString()
```
Overrides:

toString in class Object