MDBEnvInfo (LWJGL 3.2.4 SNAPSHOT

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

All Implemented Interfaces:

java.lang.AutoCloseable, org.lwjgl.system.NativeResource, org.lwjgl.system.Pointer
```
public class MDBEnvInfo
extends org.lwjgl.system.Struct
implements org.lwjgl.system.NativeResource
```
Information about the environment.
Member documentation
- me_mapaddr – Address of map, if fixed.
- me_mapsize – Size of the data memory map.
- me_last_pgno – ID of the last used page.
- me_last_txnid – ID of the last committed transaction.
- me_maxreaders – Max reader slots in the environment.
- me_numreaders – Max reader slots used in the environment.
Layout
```
 struct MDB_envinfo {
     void * me_mapaddr;
     size_t me_mapsize;
     size_t me_last_pgno;
     size_t me_last_txnid;
     unsigned int me_maxreaders;
     unsigned int me_numreaders;
 }
```

Nested Class Summary

Nested Classes
Modifier and Type Class and Description

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

Nested Classes
Modifier and Type	Class and Description
`static class`	`MDBEnvInfo.Buffer` An array of `MDBEnvInfo` structs.

Field Summary

Fields
Modifier and Type	Field and Description
`static int`	`ALIGNOF` The struct alignment in bytes.
`static int`	`ME_LAST_PGNO` The struct member offsets.
`static int`	`ME_LAST_TXNID` The struct member offsets.
`static int`	`ME_MAPADDR` The struct member offsets.
`static int`	`ME_MAPSIZE` The struct member offsets.
`static int`	`ME_MAXREADERS` The struct member offsets.
`static int`	`ME_NUMREADERS` The struct member offsets.
`static int`	`SIZEOF` The struct size in bytes.

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

Constructor Summary

Constructors
Constructor and Description

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

Constructors
Constructor and Description
`MDBEnvInfo(java.nio.ByteBuffer container)` Creates a `MDBEnvInfo` instance at the current position of the specified `ByteBuffer` container.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`static MDBEnvInfo`	`calloc()` Returns a new `MDBEnvInfo` instance allocated with `memCalloc`.
`static MDBEnvInfo.Buffer`	`calloc(int capacity)` Returns a new `MDBEnvInfo.Buffer` instance allocated with `memCalloc`.
`static MDBEnvInfo`	`callocStack()` Returns a new `MDBEnvInfo` instance allocated on the thread-local `MemoryStack` and initializes all its bits to zero.
`static MDBEnvInfo.Buffer`	`callocStack(int capacity)` Returns a new `MDBEnvInfo.Buffer` instance allocated on the thread-local `MemoryStack` and initializes all its bits to zero.
`static MDBEnvInfo.Buffer`	`callocStack(int capacity, org.lwjgl.system.MemoryStack stack)` Returns a new `MDBEnvInfo.Buffer` instance allocated on the specified `MemoryStack` and initializes all its bits to zero.
`static MDBEnvInfo`	`callocStack(org.lwjgl.system.MemoryStack stack)` Returns a new `MDBEnvInfo` instance allocated on the specified `MemoryStack` and initializes all its bits to zero.
`static MDBEnvInfo`	`create()` Returns a new `MDBEnvInfo` instance allocated with `BufferUtils`.
`static MDBEnvInfo.Buffer`	`create(int capacity)` Returns a new `MDBEnvInfo.Buffer` instance allocated with `BufferUtils`.
`static MDBEnvInfo`	`create(long address)` Returns a new `MDBEnvInfo` instance for the specified memory address.
`static MDBEnvInfo.Buffer`	`create(long address, int capacity)` Create a `MDBEnvInfo.Buffer` instance at the specified memory.
`static MDBEnvInfo`	`createSafe(long address)` Like `create`, but returns `null` if `address` is `NULL`.
`static MDBEnvInfo.Buffer`	`createSafe(long address, int capacity)` Like `create`, but returns `null` if `address` is `NULL`.
`static MDBEnvInfo`	`malloc()` Returns a new `MDBEnvInfo` instance allocated with `memAlloc`.
`static MDBEnvInfo.Buffer`	`malloc(int capacity)` Returns a new `MDBEnvInfo.Buffer` instance allocated with `memAlloc`.
`static MDBEnvInfo`	`mallocStack()` Returns a new `MDBEnvInfo` instance allocated on the thread-local `MemoryStack`.
`static MDBEnvInfo.Buffer`	`mallocStack(int capacity)` Returns a new `MDBEnvInfo.Buffer` instance allocated on the thread-local `MemoryStack`.
`static MDBEnvInfo.Buffer`	`mallocStack(int capacity, org.lwjgl.system.MemoryStack stack)` Returns a new `MDBEnvInfo.Buffer` instance allocated on the specified `MemoryStack`.
`static MDBEnvInfo`	`mallocStack(org.lwjgl.system.MemoryStack stack)` Returns a new `MDBEnvInfo` instance allocated on the specified `MemoryStack`.
`long`	`me_last_pgno()` Returns the value of the `me_last_pgno` field.
`long`	`me_last_txnid()` Returns the value of the `me_last_txnid` field.
`long`	`me_mapaddr()` Returns the value of the `me_mapaddr` field.
`long`	`me_mapsize()` Returns the value of the `me_mapsize` field.
`int`	`me_maxreaders()` Returns the value of the `me_maxreaders` field.
`int`	`me_numreaders()` Returns the value of the `me_numreaders` field.
`static long`	`nme_last_pgno(long struct)` Unsafe version of `me_last_pgno()`.
`static long`	`nme_last_txnid(long struct)` Unsafe version of `me_last_txnid()`.
`static long`	`nme_mapaddr(long struct)` Unsafe version of `me_mapaddr()`.
`static long`	`nme_mapsize(long struct)` Unsafe version of `me_mapsize()`.
`static int`	`nme_maxreaders(long struct)` Unsafe version of `me_maxreaders()`.
`static int`	`nme_numreaders(long struct)` Unsafe version of `me_numreaders()`.
`int`	`sizeof()`

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

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

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

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

- Field Detail
  - SIZEOF
```
public static final int SIZEOF
```
    The struct size in bytes.
  - ALIGNOF
```
public static final int ALIGNOF
```
    The struct alignment in bytes.
  - ME_MAPADDR
```
public static final int ME_MAPADDR
```
    The struct member offsets.
  - ME_MAPSIZE
```
public static final int ME_MAPSIZE
```
    The struct member offsets.
  - ME_LAST_PGNO
```
public static final int ME_LAST_PGNO
```
    The struct member offsets.
  - ME_LAST_TXNID
```
public static final int ME_LAST_TXNID
```
    The struct member offsets.
  - ME_MAXREADERS
```
public static final int ME_MAXREADERS
```
    The struct member offsets.
  - ME_NUMREADERS
```
public static final int ME_NUMREADERS
```
    The struct member offsets.
- Constructor Detail
  - MDBEnvInfo
```
public MDBEnvInfo(java.nio.ByteBuffer container)
```
    Creates a MDBEnvInfo 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()
```
    Specified by:
    
    sizeof in class org.lwjgl.system.Struct
  - me_mapaddr
```
public long me_mapaddr()
```
    Returns the value of the me_mapaddr field.
  - me_mapsize
```
public long me_mapsize()
```
    Returns the value of the me_mapsize field.
  - me_last_pgno
```
public long me_last_pgno()
```
    Returns the value of the me_last_pgno field.
  - me_last_txnid
```
public long me_last_txnid()
```
    Returns the value of the me_last_txnid field.
  - me_maxreaders
```
public int me_maxreaders()
```
    Returns the value of the me_maxreaders field.
  - me_numreaders
```
public int me_numreaders()
```
    Returns the value of the me_numreaders field.
  - malloc
```
public static MDBEnvInfo malloc()
```
    Returns a new MDBEnvInfo instance allocated with memAlloc. The instance must be explicitly freed.
  - calloc
```
public static MDBEnvInfo calloc()
```
    Returns a new MDBEnvInfo instance allocated with memCalloc. The instance must be explicitly freed.
  - create
```
public static MDBEnvInfo create()
```
    Returns a new MDBEnvInfo instance allocated with BufferUtils.
  - create
```
public static MDBEnvInfo create(long address)
```
    Returns a new MDBEnvInfo instance for the specified memory address.
  - createSafe
```
@Nullable
public static MDBEnvInfo createSafe(long address)
```
    Like create, but returns null if address is NULL.
  - malloc
```
public static MDBEnvInfo.Buffer malloc(int capacity)
```
    Returns a new MDBEnvInfo.Buffer instance allocated with memAlloc. The instance must be explicitly freed.
    
    Parameters:
    
    capacity - the buffer capacity
  - calloc
```
public static MDBEnvInfo.Buffer calloc(int capacity)
```
    Returns a new MDBEnvInfo.Buffer instance allocated with memCalloc. The instance must be explicitly freed.
    
    Parameters:
    
    capacity - the buffer capacity
  - create
```
public static MDBEnvInfo.Buffer create(int capacity)
```
    Returns a new MDBEnvInfo.Buffer instance allocated with BufferUtils.
    
    Parameters:
    
    capacity - the buffer capacity
  - create
```
public static MDBEnvInfo.Buffer create(long address,
                                       int capacity)
```
    Create a MDBEnvInfo.Buffer instance at the specified memory.
    
    Parameters:
    
    address - the memory address
    
    capacity - the buffer capacity
  - createSafe
```
@Nullable
public static MDBEnvInfo.Buffer createSafe(long address,
                                                     int capacity)
```
    Like create, but returns null if address is NULL.
  - mallocStack
```
public static MDBEnvInfo mallocStack()
```
    Returns a new MDBEnvInfo instance allocated on the thread-local MemoryStack.
  - callocStack
```
public static MDBEnvInfo callocStack()
```
    Returns a new MDBEnvInfo instance allocated on the thread-local MemoryStack and initializes all its bits to zero.
  - mallocStack
```
public static MDBEnvInfo mallocStack(org.lwjgl.system.MemoryStack stack)
```
    Returns a new MDBEnvInfo instance allocated on the specified MemoryStack.
    
    Parameters:
    
    stack - the stack from which to allocate
  - callocStack
```
public static MDBEnvInfo callocStack(org.lwjgl.system.MemoryStack stack)
```
    Returns a new MDBEnvInfo instance allocated on the specified MemoryStack and initializes all its bits to zero.
    
    Parameters:
    
    stack - the stack from which to allocate
  - mallocStack
```
public static MDBEnvInfo.Buffer mallocStack(int capacity)
```
    Returns a new MDBEnvInfo.Buffer instance allocated on the thread-local MemoryStack.
    
    Parameters:
    
    capacity - the buffer capacity
  - callocStack
```
public static MDBEnvInfo.Buffer callocStack(int capacity)
```
    Returns a new MDBEnvInfo.Buffer instance allocated on the thread-local MemoryStack and initializes all its bits to zero.
    
    Parameters:
    
    capacity - the buffer capacity
  - mallocStack
```
public static MDBEnvInfo.Buffer mallocStack(int capacity,
                                            org.lwjgl.system.MemoryStack stack)
```
    Returns a new MDBEnvInfo.Buffer instance allocated on the specified MemoryStack.
    
    Parameters:
    
    stack - the stack from which to allocate
    
    capacity - the buffer capacity
  - callocStack
```
public static MDBEnvInfo.Buffer callocStack(int capacity,
                                            org.lwjgl.system.MemoryStack stack)
```
    Returns a new MDBEnvInfo.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
  - nme_mapaddr
```
public static long nme_mapaddr(long struct)
```
    Unsafe version of me_mapaddr().
  - nme_mapsize
```
public static long nme_mapsize(long struct)
```
    Unsafe version of me_mapsize().
  - nme_last_pgno
```
public static long nme_last_pgno(long struct)
```
    Unsafe version of me_last_pgno().
  - nme_last_txnid
```
public static long nme_last_txnid(long struct)
```
    Unsafe version of me_last_txnid().
  - nme_maxreaders
```
public static int nme_maxreaders(long struct)
```
    Unsafe version of me_maxreaders().
  - nme_numreaders
```
public static int nme_numreaders(long struct)
```
    Unsafe version of me_numreaders().

Class MDBEnvInfo

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 class org.lwjgl.system.Struct

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

Methods inherited from class java.lang.Object

Methods inherited from interface org.lwjgl.system.NativeResource

Field Detail

SIZEOF

ALIGNOF

ME_MAPADDR

ME_MAPSIZE

ME_LAST_PGNO

ME_LAST_TXNID

ME_MAXREADERS

ME_NUMREADERS

Constructor Detail

MDBEnvInfo

Method Detail

sizeof

me_mapaddr

me_mapsize

me_last_pgno

me_last_txnid

me_maxreaders

me_numreaders

malloc

calloc

create

create

createSafe

malloc

calloc

create

create

createSafe

mallocStack

callocStack

mallocStack

callocStack

mallocStack

callocStack

mallocStack

callocStack

nme_mapaddr

nme_mapsize

nme_last_pgno

nme_last_txnid

nme_maxreaders

nme_numreaders