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java.lang.Objectorg.h2.test.store.FreeSpaceTree
public class FreeSpaceTree
A list that maintains ranges of free space (in blocks) in a file.
| Constructor Summary | |
|---|---|
FreeSpaceTree(int firstFreeBlock,
int blockSize)
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| Method Summary | |
|---|---|
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()
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| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Constructor Detail |
|---|
public FreeSpaceTree(int firstFreeBlock,
int blockSize)
| Method Detail |
|---|
public void clear()
public long allocate(int length)
length - the number of bytes to allocate
public void markUsed(long pos,
int length)
pos - the position in byteslength - the number of bytes
public void free(long pos,
int length)
pos - the position in byteslength - the number of bytespublic java.lang.String toString()
toString in class java.lang.Object
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