/*
* The Unified Mapping Platform (JUMP) is an extensible, interactive GUI
* for visualizing and manipulating spatial features with geometry and attributes.
*
* Copyright (C) 2003 Vivid Solutions
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* For more information, contact:
*
* Vivid Solutions
* Suite #1A
* 2328 Government Street
* Victoria BC V8T 5G5
* Canada
*
* (250)385-6040
* www.vividsolutions.com
*/
package com.vividsolutions.jump.util;
/**
* Simply a chunk of code that can be passed around. Facilitates
* Smalltalk-like programming. Also useful as a "lexical closure"
* i.e. a chunk of code with variables having long lifetimes.
* <p>
* Typically only one of the #yield methods needs to be implemented.
* Which one depends on the context.
*/
public abstract class Block {
public Object yield(Object arg1, Object arg2) {
throw new UnsupportedOperationException();
}
public Object yield(Object arg) {
throw new UnsupportedOperationException();
}
public Object yield() {
throw new UnsupportedOperationException();
}
}