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/*
* Copyright Dept. of Mathematics & Computer Science Univ. Paris-Descartes
*
* This software is governed by the CeCILL license under French law and
* abiding by the rules of distribution of free software. You can use,
* modify and/ or redistribute the software under the terms of the CeCILL
* license as circulated by CEA, CNRS and INRIA at the following URL
* "http://www.cecill.info".
*
* As a counterpart to the access to the source code and rights to copy,
* modify and redistribute granted by the license, users are provided only
* with a limited warranty and the software's author, the holder of the
* economic rights, and the successive licensors have only limited
* liability.
*
* In this respect, the user's attention is drawn to the risks associated
* with loading, using, modifying and/or developing or reproducing the
* software by the user in light of its specific status of free software,
* that may mean that it is complicated to manipulate, and that also
* therefore means that it is reserved for developers and experienced
* professionals having in-depth computer knowledge. Users are therefore
* encouraged to load and test the software's suitability as regards their
* requirements in conditions enabling the security of their systems and/or
* data to be ensured and, more generally, to use and operate it in the
* same conditions as regards security.
*
* The fact that you are presently reading this means that you have had
* knowledge of the CeCILL license and that you accept its terms.
*/
package pddl4j.exp.type;
/**
* A typing exception is thrown if an attempt is made to create a type with a
* inconsistant type hierarchy. A type hierarchy is consistant if it does not
* contain cycle and all types inherite from object except the primitive type
* number.
*
* @author Damien Pellier
* @version 1.0
*/
public class TypingException extends RuntimeException {
/**
* The serial version id of the class.
*/
private static final long serialVersionUID = 6846672849363008483L;
/**
* The inconsistant type.
*/
private Type type;
/**
* Creates a new typing exception. with null as its detail message. The
* cause is not initialized, and may subsequently be initialized by a call
* to <code>Throwable.initCause(java.lang.Throwable)</code>.
*
* @param type the inconsitant type.
*/
public TypingException(Type type) {
super();
this.type = type;
}
/**
* Creates a new typing exception with the specified cause and a detail
* message of <code>(cause==null ? null : cause.toString())</code> (which
* typically contains the class and detail message of cause). This
* constructor is useful for exceptions that are little more than wrappers
* for other throwables (for example, <code>PrivilegedActionException</code>).
*
* @param type the inconsistant type.
* @param cause the cause (which is saved for later retrieval by the
* <code>Throwable.getCause()</code> method). (A
* <code>null</code> value is permitted, and indicates that the
* cause is nonexistent or unknown.)
*/
public TypingException(Type type, Throwable cause) {
super(cause);
}
/**
* Returns the typing source of this exception.
*
* @return the typing source of this exception.
*/
public Type getType() {
return this.type;
}
/**
* Returns a string representation of this typing exception.
*
* @return a string representation of this typing exception.
*/
public String toString() {
return this.getClass().getName() + ": type hierachy of "
+ this.type.toString() + " is insconsistant";
}
}
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