mk.fsgrep.util
Class MRUList

java.lang.Object
  java.util.AbstractCollection<E>
      java.util.AbstractList<E>
          java.util.AbstractSequentialList<E>
              java.util.LinkedList<java.lang.String>
                  mk.fsgrep.util.MRUList

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, java.lang.Iterable<java.lang.String>, java.util.Collection<java.lang.String>, java.util.List<java.lang.String>, java.util.Queue<java.lang.String>

public class MRUList
extends java.util.LinkedList<java.lang.String>

Most recently used list. A list ordered by recent use where the first element is the most recently used entry. It also trims itself to a maximum size.

Author:

Murali Krishnan

See Also:

Serialized Form

Field Summary

static int	MAX_SIZE The maximum number of recent items kept when saved.
protected static java.lang.String	UNDEFINED_PREFIX Constant representing an undefined persistent map prefix (the default).

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

MRUList()

MRUList(int pSize, java.lang.String pPrefix)

MRUList(java.lang.String pPrefix)

Method Summary

boolean	add(java.lang.String entry)
int	getMaxSize()
protected java.lang.String	getPrefix()
void	keepFirst() Remove all items except the first one.
void	readData() Read the stored profiles from the persistent data.
void	readData(java.lang.String pPrefix) Read the stored profiles from the persistent data using the given persistent map prefix.
void	saveData() Saves the state of this object to the persistent store.
void	setMaxSize(int val)
protected void	trim() Trim the number of entries to the maximum size by removing the older elements.

Methods inherited from class java.util.LinkedList

add, addAll, addAll, addFirst, addLast, clear, clone, contains, element, get, getFirst, getLast, indexOf, lastIndexOf, listIterator, offer, peek, poll, remove, remove, remove, removeFirst, removeLast, set, size, toArray, toArray

Methods inherited from class java.util.AbstractSequentialList

iterator

Methods inherited from class java.util.AbstractList

equals, hashCode, listIterator, removeRange, subList

Methods inherited from class java.util.AbstractCollection

containsAll, isEmpty, removeAll, retainAll, toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.List

containsAll, equals, hashCode, isEmpty, iterator, listIterator, removeAll, retainAll, subList

Field Detail

MAX_SIZE

public static final int MAX_SIZE

The maximum number of recent items kept when saved.

See Also:

Constant Field Values

UNDEFINED_PREFIX

protected static final java.lang.String UNDEFINED_PREFIX

Constant representing an undefined persistent map prefix (the default).

See Also:

Constant Field Values

Constructor Detail

MRUList

public MRUList()

MRUList

public MRUList(java.lang.String pPrefix)

MRUList

public MRUList(int pSize,
               java.lang.String pPrefix)

Method Detail

getMaxSize

public int getMaxSize()

getPrefix

protected java.lang.String getPrefix()

setMaxSize

public void setMaxSize(int val)

trim

protected void trim()

Trim the number of entries to the maximum size by removing the older elements.

saveData

public void saveData()

Saves the state of this object to the persistent store.

readData

public void readData(java.lang.String pPrefix)

Read the stored profiles from the persistent data using the given persistent map prefix.

Parameters:

pPrefix - The string prefix of the desired entries.

readData

public void readData()

Read the stored profiles from the persistent data. This will only work if a persistent map prefix was defined.

keepFirst

public void keepFirst()

Remove all items except the first one.

add

public boolean add(java.lang.String entry)

Specified by:

add in interface java.util.Collection<java.lang.String>

Specified by:

add in interface java.util.List<java.lang.String>

Overrides:

add in class java.util.LinkedList<java.lang.String>