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/* AbstractOperator.java
* =========================================================================
* This file is part of the GrInvIn project - http://www.grinvin.org
*
* Copyright (C) 2005-2008 Universiteit Gent
*
* 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.
*
* A copy of the GNU General Public License can be found in the file
* LICENSE.txt provided with the source distribution of this program (see
* the META-INF directory in the source jar). This license can also be
* found on the GNU website at http://www.gnu.org/licenses/gpl.html.
*
* If you did not receive a copy of the GNU General Public License along
* with this program, contact the lead developer, or write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
package org.grinvin.expr;
import java.util.HashMap;
import java.util.Map;
/**
* Common super class of all (standard) operators.
*/
abstract class AbstractOperator implements Operator {
/**
* Maps names to operators.
*/
static final Map<String,Operator> map
= new HashMap<String,Operator> ();
//
private final String name;
public String getName () {
return name;
}
//
private final int numberOfArguments;
public int getNumberOfArguments() {
return numberOfArguments;
}
//
private final int strength;
public int getStrength() {
return strength;
}
//
private final String id;
public String getId() {
return id;
}
/**
* Return an operator with the given name and number of
* arguments.
*/
protected AbstractOperator (String id, String name, int numberOfArguments, int strength) {
this.id = id;
this.name = name;
this.numberOfArguments = numberOfArguments;
this.strength = strength;
map.put (id, this);
}
}
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