java.lang.Object
- org.dizitart.no2.mvstore.compat.v1.mvstore.Chunk

```
public class Chunk
extends Object
```
A chunk of data, containing one or multiple pages.
Chunks are page aligned (each page is usually 4096 bytes). There are at most 67 million (2^26) chunks, each chunk is at most 2 GB large.

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class Chunk.PositionComparator

Field Summary

Fields
Modifier and Type	Field	Description
`long`	`block`	The start block number within the file.
`int`	`id`	The chunk id.
`int`	`len`	The length in number of blocks.
`int`	`mapId`	The last used map id.
`static int`	`MAX_ID`	The maximum chunk id.
`long`	`maxLen`	The sum of the max length of all pages.
`long`	`maxLenLive`	The sum of the max length of all pages that are in use.
`long`	`next`	The predicted position of the next chunk.
`long`	`time`	When this chunk was created, in milliseconds after the store was created.
`long`	`unused`	When this chunk was no longer needed, in milliseconds after the store was created.
`long`	`version`	The version stored in this chunk.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`String`	`asString()`	Get the chunk data as a string.
`boolean`	`equals(Object o)`
`static Chunk`	`fromString(String s)`	Build a block from the given string.
`int`	`hashCode()`
`String`	`toString()`

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

- Field Detail
  - MAX_ID
```
public static final int MAX_ID
```
    The maximum chunk id.
    
    See Also:
    
    Constant Field Values
  - id
```
public final int id
```
    The chunk id.
  - block
```
public volatile long block
```
    The start block number within the file.
  - len
```
public int len
```
    The length in number of blocks.
  - maxLen
```
public long maxLen
```
    The sum of the max length of all pages.
  - maxLenLive
```
public long maxLenLive
```
    The sum of the max length of all pages that are in use.
  - version
```
public long version
```
    The version stored in this chunk.
  - time
```
public long time
```
    When this chunk was created, in milliseconds after the store was created.
  - unused
```
public long unused
```
    When this chunk was no longer needed, in milliseconds after the store was created. After this, the chunk is kept alive a bit longer (in case it is referenced in older versions).
  - mapId
```
public int mapId
```
    The last used map id.
  - next
```
public long next
```
    The predicted position of the next chunk.
- Method Detail
  - fromString
```
public static Chunk fromString(String s)
```
    Build a block from the given string.
    
    Parameters:
    
    s - the string
    
    Returns:
    
    the block
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class Object
  - equals
```
public boolean equals(Object o)
```
    Overrides:
    
    equals in class Object
  - asString
```
public String asString()
```
    Get the chunk data as a string.
    
    Returns:
    
    the string
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object

Class Chunk

Nested Class Summary

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

MAX_ID

id

block

len

maxLen

maxLenLive

version

time

unused

mapId

next

Method Detail

fromString

hashCode

equals

asString

toString