javax.ejb
Enum LockType

java.lang.Object
  java.lang.Enum<LockType>
      javax.ejb.LockType

All Implemented Interfaces:

Serializable, Comparable<LockType>

public enum LockType
extends Enum<LockType>

Concurrency lock type. READ : For read-only operations. Allows simultaneous access to methods designated as READ, as long as no WRITE lock is held. WRITE : For write operations. The WRITE lock is exclusive.

Since:

EJB 3.1 version.

Author:

Florent Benoit

See Also:

EJB 3.1 specification

Enum Constant Summary

READ
Read.

WRITE
Write.

Method Summary

static LockType	valueOf(String name) Returns the enum constant of this type with the specified name.
static LockType[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

READ

public static final LockType READ

Read.

WRITE

public static final LockType WRITE

Write.

Method Detail

values

public static LockType[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (LockType c : LockType.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static LockType valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null