FreeSpaceList

java.lang.Object
- org.h2.test.store.FreeSpaceList

```
public class FreeSpaceList
extends java.lang.Object
```
A list that maintains ranges of free space (in blocks).

Constructor Summary

Constructors
Constructor Description

FreeSpaceList(int firstFreeBlock, int blockSize)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`long`	`allocate(int length)`	Allocate a number of blocks and mark them as used.
`void`	`clear()`	Reset the list.
`void`	`free(long pos, int length)`	Mark the space as free.
`void`	`markUsed(long pos, int length)`	Mark the space as in use.
`java.lang.String`	`toString()`

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

- Constructor Detail
  - FreeSpaceList
```
public FreeSpaceList(int firstFreeBlock,
                     int blockSize)
```
- Method Detail
  - clear
```
public void clear()
```
    Reset the list.
  - allocate
```
public long allocate(int length)
```
    Allocate a number of blocks and mark them as used.
    
    Parameters:
    
    length - the number of bytes to allocate
    
    Returns:
    
    the start position in bytes
  - markUsed
```
public void markUsed(long pos,
                     int length)
```
    Mark the space as in use.
    
    Parameters:
    
    pos - the position in bytes
    
    length - the number of bytes
  - free
```
public void free(long pos,
                 int length)
```
    Mark the space as free.
    
    Parameters:
    
    pos - the position in bytes
    
    length - the number of bytes
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object