edu.neu.ccs.quick
Class BooleanStateArray

java.lang.Object
  edu.neu.ccs.quick.BooleanStateArray

public class BooleanStateArray

extends Object

The class BooleanStateArray tracks a boolean state corresponding to a list of int keys provided in the class constructor.

Since:

2.5.0

Version:

2.5.0

Field Summary

private int[]	keys The array of int keys.
private boolean[]	states The corresponding array of boolean states.

Constructor Summary

BooleanStateArray(int[] list)
Initializes the BooleanStateArray with the list of keys whose boolean state will be maintained.

Method Summary

boolean	getState(int key) Returns the boolean state of the given key.
void	setAllStates(boolean state) Sets all states to the given state.
void	setState(int[] list, boolean state) Sets the states in the given list of keys to the given state.
void	setState(int key, boolean state) Sets the boolean state of the given key.

Methods inherited from class java.lang.Object

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

Field Detail

keys

private int[] keys

The array of int keys.

states

private boolean[] states

The corresponding array of boolean states.

Constructor Detail

BooleanStateArray

public BooleanStateArray(int[] list)

Initializes the BooleanStateArray with the list of keys whose boolean state will be maintained.

This list cannot be changed after construction.

If the given list contains duplicate int entries, such duplicates will be removed in the internal data structure.

Parameters:

list - the list of keys that will be associated with boolean states

Method Detail

getState

public boolean getState(int key)

Returns the boolean state of the given key.

Returns false if the key was not given in the list provided to the constructor.

Parameters:

key - the key whose state is desired

setState

public void setState(int key,
                     boolean state)

Sets the boolean state of the given key.

Does nothing if the key was not given in the list provided to the constructor.

Parameters:

key - the key whose state is to be set

state - the state to set

setState

public void setState(int[] list,
                     boolean state)

Sets the states in the given list of keys to the given state.

Parameters:

list - the list of keys whose state is to be set

state - the state to set

setAllStates

public void setAllStates(boolean state)

Sets all states to the given state.

Parameters:

state - the state to set