CompactArrayOfLongs (javadoc 2024.12-174331 API)

java.lang.Object
- jetbrains.buildServer.util.CompactArrayOfLongs

```
public abstract class CompactArrayOfLongs
extends Object
```
This class allows to create a set of arrays from the given collection of longs. Each array will represent a part of provided longs, each part has an offset and compressed array of ints which represents data. Compression is performed with help of JavaFastPFOR library: https://github.com/lemire/JavaFastPFOR On top of the compression the arrays are also pooled, as tests show that this reduces memory usage quite a bit.

Since:

2020.2

Constructor Summary

Constructors
Constructor Description

CompactArrayOfLongs()

Method Summary

All Methods Static Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`abstract long[]`	`array()`
`abstract List<Long>`	`asList()`
`static void`	`cleanupAndLogStatistics()`
`static List<CompactArrayOfLongs>`	`create(long[] sortedArray)`	Creates a list of compact arrays out of provided sorted array of longs.
`abstract long`	`first()`
`abstract long`	`last()`
`abstract int`	`size()`

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

Constructor Detail
- CompactArrayOfLongs
```
public CompactArrayOfLongs()
```

Method Detail

create
```
@NotNull
public static List<CompactArrayOfLongs> create(@NotNull
                                               long[] sortedArray)
```
Creates a list of compact arrays out of provided sorted array of longs. The provided array must be sorted in the ascending order (smaller values come first).

Parameters:

sortedArray - sorted array of longs

Returns:

list of objects which represent this array in a compressed form

asList

@NotNull
public abstract List<Long> asList()

array

@NotNull
public abstract long[] array()

size
```
public abstract int size()
```

first
```
public abstract long first()
```

last
```
public abstract long last()
```

cleanupAndLogStatistics

public static void cleanupAndLogStatistics()