/*******************************************************************************
* Copyright (c) 2015 QUANTICOL EU Project.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
*
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Michele Loreti (University of Firenze) - initial API and implementation
*******************************************************************************/
package org.cmg.ml.sam.sim.ds;
/**
* @author loreti
*
*/
public class ActualTemplateField implements TemplateField {
private Object o;
public ActualTemplateField(Object o) {
this.o = o;
}
@Override
public boolean match(Object o) {
if (this.o == null) {
return o == null;
}
return this.o.equals(o);
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#hashCode()
*/
@Override
public int hashCode() {
return (o == null ? 0 : o.hashCode());
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj) {
if (obj instanceof ActualTemplateField) {
Object other = ((ActualTemplateField) obj).o;
return (o == null ? other == null : o.equals(other));
}
return false;
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#toString()
*/
@Override
public String toString() {
return (o == null ? "null" : o.toString());
}
@Override
public boolean implies(TemplateField f) {
if (f instanceof ActualTemplateField) {
return this.equals(f);
}
if (f instanceof FormalTemplateField) {
return ((FormalTemplateField) f).clazz.isInstance(o);
}
return false;
}
}