ACountHashMap (Apache SystemDS 3.2.0 API)

java.lang.Object
- org.apache.sysds.runtime.compress.utils.ACountHashMap<T>

All Implemented Interfaces:

Cloneable

Direct Known Subclasses:

DblArrayCountHashMap, DoubleCountHashMap
```
public abstract class ACountHashMap<T>
extends Object
implements Cloneable
```

Constructor Summary

Constructors
Constructor Description

ACountHashMap()

ACountHashMap(int arrSize)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`ACount<T>[]`	`extractValues()`
`int`	`get(T key)`
`ACount<T>`	`getC(T key)`
`int`	`getId(T key)`
`T`	`getMostFrequent()`
`int`	`getOrDefault(T key, int def)`
`int`	`increment(double key)`
`int`	`increment(double key, int count)`
`int`	`increment(T key)`	Increment and return the id of the incremeted index.
`int`	`increment(T key, int count)`	Increment and return the id of the incremented index.
`void`	`reset(int size)`
`int`	`size()`
`void`	`sortBuckets()`
`String`	`toString()`

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

Constructor Detail

ACountHashMap
```
public ACountHashMap()
```

ACountHashMap
```
public ACountHashMap(int arrSize)
```

Method Detail

size
```
public int size()
```

increment
```
public final int increment(T key)
```
Increment and return the id of the incremeted index.

Parameters:

key - The key to increment

Returns:

The id of the incremented entry.

increment

public final int increment(double key)

increment
```
public int increment(T key,
                     int count)
```
Increment and return the id of the incremented index.

Parameters:

key - The key to increment

count - The number of times to increment the value

Returns:

The Id of the incremented entry.

increment

public final int increment(double key,
                           int count)

get
```
public int get(T key)
```

getId
```
public int getId(T key)
```

getC
```
public ACount<T> getC(T key)
```

getOrDefault

public int getOrDefault(T key,
                        int def)

extractValues

public final ACount<T>[] extractValues()

getMostFrequent
```
public T getMostFrequent()
```

sortBuckets
```
public void sortBuckets()
```

reset
```
public void reset(int size)
```

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

toString in class Object