com.mongodb
Class Bytes

java.lang.Object
  com.mongodb.Bytes

Direct Known Subclasses:

ByteDecoder, ByteEncoder

public class Bytes
extends Object

Handles byte functions for ByteEncoder and ByteDecoder.

Field Summary

protected static Charset	_utf8
protected static int	MAX_STRING The maximum number of bytes allowed to be sent to the db at a time
static ByteOrder	ORDER Little-endian
static int	QUERYOPTION_NOTIMEOUT
static int	QUERYOPTION_OPLOGREPLAY
static int	QUERYOPTION_SLAVEOK
static int	QUERYOPTION_TAILABLE

Constructor Summary

Bytes()

Method Summary

static void	addDecodingHook(byte type, Transformer t)
static void	addEncodingHook(Class c, Transformer t)
static Object	applyDecodingHooks(byte b, Object o)
static Object	applyEncodingHooks(Object o)
static void	clearAllHooks()
static DBObject	decode(byte[] b)
static byte[]	encode(DBObject o)
static int	getFlag(char c)
static byte	getType(Object o) Gets the type byte for a given object.
static String	patternFlags(int flags) Converts Java regular expression flags into a string of flags for the database
static int	patternFlags(String flags) Converts a string of regular expression flags from the database in Java regular expression flags.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

ORDER

public static final ByteOrder ORDER

Little-endian

QUERYOPTION_TAILABLE

public static final int QUERYOPTION_TAILABLE

See Also:

Constant Field Values

QUERYOPTION_SLAVEOK

public static final int QUERYOPTION_SLAVEOK

See Also:

Constant Field Values

QUERYOPTION_OPLOGREPLAY

public static final int QUERYOPTION_OPLOGREPLAY

See Also:

Constant Field Values

QUERYOPTION_NOTIMEOUT

public static final int QUERYOPTION_NOTIMEOUT

See Also:

Constant Field Values

_utf8

protected static Charset _utf8

MAX_STRING

protected static final int MAX_STRING

The maximum number of bytes allowed to be sent to the db at a time

See Also:

Constant Field Values

Constructor Detail

Bytes

public Bytes()

Method Detail

getType

public static byte getType(Object o)

Gets the type byte for a given object.

Parameters:

o - the object

Returns:

the byte value associated with the type, or 0 if o was null

patternFlags

public static int patternFlags(String flags)

Converts a string of regular expression flags from the database in Java regular expression flags.

Parameters:

flags - flags from database

Returns:

the Java flags

getFlag

public static int getFlag(char c)

patternFlags

public static String patternFlags(int flags)

Converts Java regular expression flags into a string of flags for the database

Parameters:

flags - Java flags

Returns:

the flags for the database

addEncodingHook

public static void addEncodingHook(Class c,
                                   Transformer t)

addDecodingHook

public static void addDecodingHook(byte type,
                                   Transformer t)

applyEncodingHooks

public static Object applyEncodingHooks(Object o)

applyDecodingHooks

public static Object applyDecodingHooks(byte b,
                                        Object o)

clearAllHooks

public static void clearAllHooks()

encode

public static byte[] encode(DBObject o)

decode

public static DBObject decode(byte[] b)