Package g1901_2000.s1993_operations_on_tree

Class LockingTree

java.lang.Object

g1901_2000.s1993_operations_on_tree.LockingTree

public class LockingTree
extends Object

Constructor Summary

Constructors

Constructor	Description
LockingTree(int[] parent)

Method Summary

Modifier and Type	Method	Description
boolean	lock(int num, int user)
boolean	unlock(int num, int user)
boolean	upgrade(int num, int user)

Methods inherited from class java.lang.Object

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

Constructor Details

LockingTree

public LockingTree(int[] parent)

Method Details

lock

public boolean lock(int num,
 int user)

unlock

public boolean unlock(int num,
 int user)

upgrade

public boolean upgrade(int num,
 int user)