RandomStreamInstantiationException.java

/*
 * Class:        RandomStreamInstantiationException
 * Description:  thrown when a random stream factory cannot instantiate a stream
 * Environment:  Java
 * Software:     SSJ 
 * Copyright (C) 2001  Pierre L'Ecuyer and Universite de Montreal
 * Organization: DIRO, Universite de Montreal
 * @author       
 * @since
 *
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
package umontreal.ssj.rng;

public class RandomStreamInstantiationException extends RuntimeException {
   private RandomStreamFactory factory;

   public RandomStreamInstantiationException(RandomStreamFactory factory) {
      super();
      this.factory = factory;
   }

   public RandomStreamInstantiationException(RandomStreamFactory factory, String message) {
      super(message);
      this.factory = factory;
   }

   public RandomStreamInstantiationException(RandomStreamFactory factory, Throwable cause) {
      super(cause);
      this.factory = factory;
   }

   public RandomStreamInstantiationException(RandomStreamFactory factory, String message, Throwable cause) {
      super(message, cause);
      this.factory = factory;
   }

   public RandomStreamFactory getRandomStreamFactory() {
      return factory;
   }

   public String toString() {
      if (factory == null)
         return super.toString();
 
      StringBuffer sb = new StringBuffer(getClass().getName());
      sb.append(": For random stream factory ");
      sb.append(factory.toString());
      String msg = getMessage();
      if (msg != null)
         sb.append(", ").append(msg);
      return sb.toString();
   }
}