Package fr.dyade.aaa.util

Class Operation

java.lang.Object

fr.dyade.aaa.util.Operation

All Implemented Interfaces:

Serializable

public class Operation
extends Object
implements Serializable

This class describes an operation in the transaction log.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static int	COMMIT
static int	CREATE
static int	DELETE
String	dirName	Relative path of the object if any, null otherwise.
static int	END
int	logidx
int	logptr
String	name	Name of the object
static int	NOOP
private static Pool	pool
static int	SAVE
private static long	serialVersionUID	define serialVersionUID for interoperability
int	type	Type of the operation.
byte[]	value	Binary representation of the object (only for create and save operation).

Constructor Summary

Constructors

Modifier	Constructor	Description
private	Operation(int type, String dirName, String name, byte[] value)

Method Summary

Modifier and Type	Method	Description
static Operation	alloc(int type, String dirName, String name)
static Operation	alloc(int type, String dirName, String name, byte[] value)
void	free()
static void	initPool(int LogThresholdOperation)
String	toString()	Returns a string representation for this object.

Methods inherited from class java.lang.Object

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

Field Detail

serialVersionUID

private static final long serialVersionUID

define serialVersionUID for interoperability

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Constant Field Values

SAVE

public static final int SAVE

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Constant Field Values

CREATE

public static final int CREATE

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Constant Field Values

DELETE

public static final int DELETE

See Also:

Constant Field Values

NOOP

public static final int NOOP

See Also:

Constant Field Values

COMMIT

public static final int COMMIT

See Also:

Constant Field Values

END

public static final int END

See Also:

Constant Field Values

type

public int type

Type of the operation.

dirName

public String dirName

Relative path of the object if any, null otherwise.

name

public String name

Name of the object

value

public byte[] value

Binary representation of the object (only for create and save operation).

logidx

public int logidx

logptr

public int logptr

pool

private static Pool pool

Constructor Detail

Operation

private Operation(int type,
                  String dirName,
                  String name,
                  byte[] value)

Method Detail

toString

public String toString()

Returns a string representation for this object.

Overrides:

toString in class Object

Returns:

A string representation of this object.

initPool

public static void initPool(int LogThresholdOperation)

alloc

public static Operation alloc(int type,
                              String dirName,
                              String name)

alloc

public static Operation alloc(int type,
                              String dirName,
                              String name,
                              byte[] value)

free

public void free()