mirror of
https://github.com/marcin-szczepanski/jFuzzyLogic.git
synced 2024-12-19 16:45:28 +01:00
104 lines
3.5 KiB
Java
104 lines
3.5 KiB
Java
/*
|
|
[The "BSD licence"]
|
|
Copyright (c) 2005-2006 Terence Parr
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions
|
|
are met:
|
|
1. Redistributions of source code must retain the above copyright
|
|
notice, this list of conditions and the following disclaimer.
|
|
2. Redistributions in binary form must reproduce the above copyright
|
|
notice, this list of conditions and the following disclaimer in the
|
|
documentation and/or other materials provided with the distribution.
|
|
3. The name of the author may not be used to endorse or promote products
|
|
derived from this software without specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
package org.antlr.misc;
|
|
|
|
import java.util.ArrayList;
|
|
import java.util.HashSet;
|
|
import java.util.List;
|
|
|
|
/** A HashMap that remembers the order that the elements were added.
|
|
* You can alter the ith element with set(i,value) too :) Unique list.
|
|
* I need the replace/set-element-i functionality so I'm subclassing
|
|
* OrderedHashSet.
|
|
*/
|
|
public class OrderedHashSet<T> extends HashSet {
|
|
/** Track the elements as they are added to the set */
|
|
protected List<T> elements = new ArrayList<T>();
|
|
|
|
public T get(int i) {
|
|
return elements.get(i);
|
|
}
|
|
|
|
/** Replace an existing value with a new value; updates the element
|
|
* list and the hash table, but not the key as that has not changed.
|
|
*/
|
|
public T set(int i, T value) {
|
|
T oldElement = elements.get(i);
|
|
elements.set(i,value); // update list
|
|
super.remove(oldElement); // now update the set: remove/add
|
|
super.add(value);
|
|
return oldElement;
|
|
}
|
|
|
|
/** Add a value to list; keep in hashtable for consistency also;
|
|
* Key is object itself. Good for say asking if a certain string is in
|
|
* a list of strings.
|
|
*/
|
|
public boolean add(Object value) {
|
|
boolean result = super.add(value);
|
|
if ( result ) { // only track if new element not in set
|
|
elements.add((T)value);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
public boolean remove(Object o) {
|
|
throw new UnsupportedOperationException();
|
|
/*
|
|
elements.remove(o);
|
|
return super.remove(o);
|
|
*/
|
|
}
|
|
|
|
public void clear() {
|
|
elements.clear();
|
|
super.clear();
|
|
}
|
|
|
|
/** Return the List holding list of table elements. Note that you are
|
|
* NOT getting a copy so don't write to the list.
|
|
*/
|
|
public List<T> elements() {
|
|
return elements;
|
|
}
|
|
|
|
public int size() {
|
|
/*
|
|
if ( elements.size()!=super.size() ) {
|
|
ErrorManager.internalError("OrderedHashSet: elements and set size differs; "+
|
|
elements.size()+"!="+super.size());
|
|
}
|
|
*/
|
|
return elements.size();
|
|
}
|
|
|
|
public String toString() {
|
|
return elements.toString();
|
|
}
|
|
}
|