pt.ua.concurrent

Enum GroupMutex.Priority

java.lang.Object

java.lang.Enum<GroupMutex.Priority>

pt.ua.concurrent.GroupMutex.Priority

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable<GroupMutex.Priority>

Enclosing class:

GroupMutex

public static enum GroupMutex.Priority
extends java.lang.Enum<GroupMutex.Priority>

Locking priority choices:
CURRENT_ACTIVE_GROUP: active group is always preferred;
GROUP_NUMBER_INCREASING: the higher the group number the higher its priority;
GROUP_NUMBER_DECREASING: the lower the group number the higher its priority;
TIME_OF_ARRIVAL: priority ordered by decreasing waiting time (not yet implemented!).

Enum Constant Summary

Enum Constants

Enum Constant and Description
CURRENT_ACTIVE_GROUP
GROUP_NUMBER_DECREASING
GROUP_NUMBER_INCREASING
TIME_OF_ARRIVAL

Method Summary

Modifier and Type	Method and Description
static GroupMutex.Priority	valueOf(java.lang.String name) Returns the enum constant of this type with the specified name.
static GroupMutex.Priority[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

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

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

CURRENT_ACTIVE_GROUP

public static final GroupMutex.Priority CURRENT_ACTIVE_GROUP

GROUP_NUMBER_INCREASING

public static final GroupMutex.Priority GROUP_NUMBER_INCREASING

GROUP_NUMBER_DECREASING

public static final GroupMutex.Priority GROUP_NUMBER_DECREASING

TIME_OF_ARRIVAL

public static final GroupMutex.Priority TIME_OF_ARRIVAL

Method Detail

values

public static GroupMutex.Priority[] 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 (GroupMutex.Priority c : GroupMutex.Priority.values())
    System.out.println(c);

Returns:

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

valueOf

public static GroupMutex.Priority valueOf(java.lang.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:

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

java.lang.NullPointerException - if the argument is null