java.lang.Object
- org.lwjgl.system.Pointer.Default
- - org.lwjgl.system.Struct
  - - org.lwjgl.util.lmdb.MDBStat

All Implemented Interfaces:

java.lang.AutoCloseable, NativeResource, Pointer
```
public class MDBStat
extends Struct
implements NativeResource
```
Statistics for a database in the environment.
Member documentation
- ms_psize – Size of a database page. This is currently the same for all databases.
- ms_depth – Depth (height) of the B-tree.
- ms_branch_pages – Number of internal (non-leaf) pages.
- ms_leaf_pages – Number of leaf pages.
- ms_overflow_pages – Number of overflow pages.
- ms_entries – Number of data items.
Layout
```
 struct MDB_stat {
     unsigned int ms_psize;
     unsigned int ms_depth;
     mdb_size_t ms_branch_pages;
     mdb_size_t ms_leaf_pages;
     mdb_size_t ms_overflow_pages;
     mdb_size_t ms_entries;
 }
```

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class MDBStat.Buffer
An array of MDBStat structs.
- Nested classes/interfaces inherited from interface org.lwjgl.system.Pointer
  Pointer.Default

Field Summary

Fields
Modifier and Type	Field	Description
`static int`	`ALIGNOF`	The struct alignment in bytes.
`static int`	`MS_BRANCH_PAGES MS_DEPTH MS_ENTRIES MS_LEAF_PAGES MS_OVERFLOW_PAGES MS_PSIZE`	The struct member offsets.
`static int`	`SIZEOF`	The struct size in bytes.

Fields inherited from interface org.lwjgl.system.Pointer
BITS32, BITS64, POINTER_SHIFT, POINTER_SIZE

Constructor Summary

Constructors
Constructor Description

MDBStat(java.nio.ByteBuffer container)
Creates a MDBStat instance at the current position of the specified ByteBuffer container.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static MDBStat`	`calloc()`	Returns a new `MDBStat` instance allocated with `memCalloc`.
`static MDBStat.Buffer`	`calloc(int capacity)`	Returns a new `MDBStat.Buffer` instance allocated with `memCalloc`.
`static MDBStat`	`callocStack()`	Returns a new `MDBStat` instance allocated on the thread-local `MemoryStack` and initializes all its bits to zero.
`static MDBStat.Buffer`	`callocStack(int capacity)`	Returns a new `MDBStat.Buffer` instance allocated on the thread-local `MemoryStack` and initializes all its bits to zero.
`static MDBStat.Buffer`	`callocStack(int capacity, MemoryStack stack)`	Returns a new `MDBStat.Buffer` instance allocated on the specified `MemoryStack` and initializes all its bits to zero.
`static MDBStat`	`callocStack(MemoryStack stack)`	Returns a new `MDBStat` instance allocated on the specified `MemoryStack` and initializes all its bits to zero.
`static MDBStat`	`create()`	Returns a new `MDBStat` instance allocated with `BufferUtils`.
`static MDBStat.Buffer`	`create(int capacity)`	Returns a new `MDBStat.Buffer` instance allocated with `BufferUtils`.
`static MDBStat`	`create(long address)`	Returns a new `MDBStat` instance for the specified memory address.
`static MDBStat.Buffer`	`create(long address, int capacity)`	Create a `MDBStat.Buffer` instance at the specified memory.
`static MDBStat`	`createSafe(long address)`	Like `create`, but returns `null` if `address` is `NULL`.
`static MDBStat.Buffer`	`createSafe(long address, int capacity)`	Like `create`, but returns `null` if `address` is `NULL`.
`static MDBStat`	`malloc()`	Returns a new `MDBStat` instance allocated with `memAlloc`.
`static MDBStat.Buffer`	`malloc(int capacity)`	Returns a new `MDBStat.Buffer` instance allocated with `memAlloc`.
`static MDBStat`	`mallocStack()`	Returns a new `MDBStat` instance allocated on the thread-local `MemoryStack`.
`static MDBStat.Buffer`	`mallocStack(int capacity)`	Returns a new `MDBStat.Buffer` instance allocated on the thread-local `MemoryStack`.
`static MDBStat.Buffer`	`mallocStack(int capacity, MemoryStack stack)`	Returns a new `MDBStat.Buffer` instance allocated on the specified `MemoryStack`.
`static MDBStat`	`mallocStack(MemoryStack stack)`	Returns a new `MDBStat` instance allocated on the specified `MemoryStack`.
`long`	`ms_branch_pages()`	Returns the value of the `ms_branch_pages` field.
`int`	`ms_depth()`	Returns the value of the `ms_depth` field.
`long`	`ms_entries()`	Returns the value of the `ms_entries` field.
`long`	`ms_leaf_pages()`	Returns the value of the `ms_leaf_pages` field.
`long`	`ms_overflow_pages()`	Returns the value of the `ms_overflow_pages` field.
`int`	`ms_psize()`	Returns the value of the `ms_psize` field.
`static long`	`nms_branch_pages(long struct)`	Unsafe version of `ms_branch_pages()`.
`static int`	`nms_depth(long struct)`	Unsafe version of `ms_depth()`.
`static long`	`nms_entries(long struct)`	Unsafe version of `ms_entries()`.
`static long`	`nms_leaf_pages(long struct)`	Unsafe version of `ms_leaf_pages()`.
`static long`	`nms_overflow_pages(long struct)`	Unsafe version of `ms_overflow_pages()`.
`static int`	`nms_psize(long struct)`	Unsafe version of `ms_psize()`.
`int`	`sizeof()`	Returns `sizeof(struct)`.

Methods inherited from interface org.lwjgl.system.NativeResource
close, free

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

Methods inherited from class org.lwjgl.system.Pointer.Default
address, equals, hashCode, toString

Methods inherited from class org.lwjgl.system.Struct
clear, free, isNull

- Field Detail
  - SIZEOF
    
    The struct size in bytes.
  - ALIGNOF
    
    The struct alignment in bytes.
  - MS_PSIZE, MS_DEPTH, MS_BRANCH_PAGES, MS_LEAF_PAGES, MS_OVERFLOW_PAGES, MS_ENTRIES
    
    The struct member offsets.
- Constructor Detail
  - MDBStat
```
public MDBStat(java.nio.ByteBuffer container)
```
    Creates a MDBStat instance at the current position of the specified ByteBuffer container. Changes to the buffer's content will be visible to the struct instance and vice versa.
    The created instance holds a strong reference to the container object.
- Method Detail
  - sizeof
```
public int sizeof()
```
    Description copied from class: Struct
    
    Returns sizeof(struct).
    
    Specified by:
    
    sizeof in class Struct
  - ms_psize
```
public int ms_psize()
```
    Returns the value of the ms_psize field.
  - ms_depth
```
public int ms_depth()
```
    Returns the value of the ms_depth field.
  - ms_branch_pages
```
public long ms_branch_pages()
```
    Returns the value of the ms_branch_pages field.
  - ms_leaf_pages
```
public long ms_leaf_pages()
```
    Returns the value of the ms_leaf_pages field.
  - ms_overflow_pages
```
public long ms_overflow_pages()
```
    Returns the value of the ms_overflow_pages field.
  - ms_entries
```
public long ms_entries()
```
    Returns the value of the ms_entries field.
  - malloc
```
public static MDBStat malloc()
```
    Returns a new MDBStat instance allocated with memAlloc. The instance must be explicitly freed.
  - calloc
```
public static MDBStat calloc()
```
    Returns a new MDBStat instance allocated with memCalloc. The instance must be explicitly freed.
  - create
```
public static MDBStat create()
```
    Returns a new MDBStat instance allocated with BufferUtils.
  - create
```
public static MDBStat create(long address)
```
    Returns a new MDBStat instance for the specified memory address.
  - createSafe
```
@Nullable
public static MDBStat createSafe(long address)
```
    Like create, but returns null if address is NULL.
  - malloc
```
public static MDBStat.Buffer malloc(int capacity)
```
    Returns a new MDBStat.Buffer instance allocated with memAlloc. The instance must be explicitly freed.
    
    Parameters:
    
    capacity - the buffer capacity
  - calloc
```
public static MDBStat.Buffer calloc(int capacity)
```
    Returns a new MDBStat.Buffer instance allocated with memCalloc. The instance must be explicitly freed.
    
    Parameters:
    
    capacity - the buffer capacity
  - create
```
public static MDBStat.Buffer create(int capacity)
```
    Returns a new MDBStat.Buffer instance allocated with BufferUtils.
    
    Parameters:
    
    capacity - the buffer capacity
  - create
```
public static MDBStat.Buffer create(long address,
                                    int capacity)
```
    Create a MDBStat.Buffer instance at the specified memory.
    
    Parameters:
    
    address - the memory address
    
    capacity - the buffer capacity
  - createSafe
```
@Nullable
public static MDBStat.Buffer createSafe(long address,
                                        int capacity)
```
    Like create, but returns null if address is NULL.
  - mallocStack
```
public static MDBStat mallocStack()
```
    Returns a new MDBStat instance allocated on the thread-local MemoryStack.
  - callocStack
```
public static MDBStat callocStack()
```
    Returns a new MDBStat instance allocated on the thread-local MemoryStack and initializes all its bits to zero.
  - mallocStack
```
public static MDBStat mallocStack(MemoryStack stack)
```
    Returns a new MDBStat instance allocated on the specified MemoryStack.
    
    Parameters:
    
    stack - the stack from which to allocate
  - callocStack
```
public static MDBStat callocStack(MemoryStack stack)
```
    Returns a new MDBStat instance allocated on the specified MemoryStack and initializes all its bits to zero.
    
    Parameters:
    
    stack - the stack from which to allocate
  - mallocStack
```
public static MDBStat.Buffer mallocStack(int capacity)
```
    Returns a new MDBStat.Buffer instance allocated on the thread-local MemoryStack.
    
    Parameters:
    
    capacity - the buffer capacity
  - callocStack
```
public static MDBStat.Buffer callocStack(int capacity)
```
    Returns a new MDBStat.Buffer instance allocated on the thread-local MemoryStack and initializes all its bits to zero.
    
    Parameters:
    
    capacity - the buffer capacity
  - mallocStack
```
public static MDBStat.Buffer mallocStack(int capacity,
                                         MemoryStack stack)
```
    Returns a new MDBStat.Buffer instance allocated on the specified MemoryStack.
    
    Parameters:
    
    stack - the stack from which to allocate
    
    capacity - the buffer capacity
  - callocStack
```
public static MDBStat.Buffer callocStack(int capacity,
                                         MemoryStack stack)
```
    Returns a new MDBStat.Buffer instance allocated on the specified MemoryStack and initializes all its bits to zero.
    
    Parameters:
    
    stack - the stack from which to allocate
    
    capacity - the buffer capacity
  - nms_psize
```
public static int nms_psize(long struct)
```
    Unsafe version of ms_psize().
  - nms_depth
```
public static int nms_depth(long struct)
```
    Unsafe version of ms_depth().
  - nms_branch_pages
```
public static long nms_branch_pages(long struct)
```
    Unsafe version of ms_branch_pages().
  - nms_leaf_pages
```
public static long nms_leaf_pages(long struct)
```
    Unsafe version of ms_leaf_pages().
  - nms_overflow_pages
```
public static long nms_overflow_pages(long struct)
```
    Unsafe version of ms_overflow_pages().
  - nms_entries
```
public static long nms_entries(long struct)
```
    Unsafe version of ms_entries().

Class MDBStat

Member documentation

Layout

Nested Class Summary

Nested classes/interfaces inherited from interface org.lwjgl.system.Pointer

Field Summary

Fields inherited from interface org.lwjgl.system.Pointer

Constructor Summary

Method Summary

Methods inherited from interface org.lwjgl.system.NativeResource

Methods inherited from class java.lang.Object

Methods inherited from class org.lwjgl.system.Pointer.Default

Methods inherited from class org.lwjgl.system.Struct

Field Detail

SIZEOF

ALIGNOF

MS_PSIZE, MS_DEPTH, MS_BRANCH_PAGES, MS_LEAF_PAGES, MS_OVERFLOW_PAGES, MS_ENTRIES

Constructor Detail

MDBStat

Method Detail

sizeof

ms_psize

ms_depth

ms_branch_pages

ms_leaf_pages

ms_overflow_pages

ms_entries

malloc

calloc

create

create

createSafe

malloc

calloc

create

create

createSafe

mallocStack

callocStack

mallocStack

callocStack

mallocStack

callocStack

mallocStack

callocStack

nms_psize

nms_depth

nms_branch_pages

nms_leaf_pages

nms_overflow_pages

nms_entries