java.lang.Object
- org.neo4j.gds.core.utils.paged.PageAllocator<T>

public abstract class PageAllocator<T>
extends java.lang.Object

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class PageAllocator.Factory<T>

static interface PageAllocator.PageFactory<T>

Constructor Summary

Constructors
Constructor Description

PageAllocator()

Method Summary

All Methods Static Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`abstract long`	`bytesPerPage()`
`abstract T[]`	`emptyPages()`
`long`	`estimateMemoryUsage(long size)`
`abstract T`	`newPage()`
`static <T> PageAllocator.Factory<T>`	`of(int pageSize, long bytesPerPage, java.util.function.Supplier<T> newPage, T[] emptyPages)`
`static <T> PageAllocator.Factory<T>`	`of(int pageSize, long bytesPerPage, PageAllocator.PageFactory<T> newPage, T[] emptyPages)`
`static <T> PageAllocator.Factory<T>`	`ofArray(java.lang.Class<T> arrayClass)`
`static <T> PageAllocator.Factory<T>`	`ofArray(java.lang.Class<T> arrayClass, int pageSize)`
`abstract int`	`pageSize()`

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

Constructor Detail
- PageAllocator
```
public PageAllocator()
```

Method Detail

newPage
```
public abstract T newPage()
```

pageSize
```
public abstract int pageSize()
```

emptyPages
```
public abstract T[] emptyPages()
```

bytesPerPage
```
public abstract long bytesPerPage()
```

estimateMemoryUsage

public final long estimateMemoryUsage(long size)

of

public static <T> PageAllocator.Factory<T> of(int pageSize,
                                              long bytesPerPage,
                                              java.util.function.Supplier<T> newPage,
                                              T[] emptyPages)

of

public static <T> PageAllocator.Factory<T> of(int pageSize,
                                              long bytesPerPage,
                                              PageAllocator.PageFactory<T> newPage,
                                              T[] emptyPages)

ofArray

public static <T> PageAllocator.Factory<T> ofArray(java.lang.Class<T> arrayClass)

ofArray

public static <T> PageAllocator.Factory<T> ofArray(java.lang.Class<T> arrayClass,
                                                   int pageSize)

Modifier and Type	Class	Description
`static class`	`PageAllocator.Factory<T>`
`static interface`	`PageAllocator.PageFactory<T>`

Class PageAllocator<T>

Nested Class Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

PageAllocator

Method Detail

newPage

pageSize

emptyPages

bytesPerPage

estimateMemoryUsage

of

of

ofArray

ofArray