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src/org/cloudbus/cloudsim/ParameterException.java

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+/*
+ * ** Network and Service Differentiation Extensions to CloudSim 3.0 **
+ *
+ * Gokul Poduval & Chen-Khong Tham
+ * Computer Communication Networks (CCN) Lab
+ * Dept of Electrical & Computer Engineering
+ * National University of Singapore
+ * October 2004
+ *
+ * Licence: GPL - http://www.gnu.org/copyleft/gpl.html
+ * Copyright (c) 2004, The University of Melbourne, Australia and
+ * National University of Singapore
+ * ParameterException.java - Thrown for illegal parameters
+ *
+ */
+
+package org.cloudbus.cloudsim;
+
+/**
+ * This exception is to report bad or invalid parameters given during constructor.
+ * 
+ * @author Gokul Poduval
+ * @author Chen-Khong Tham, National University of Singapore
+ * @since CloudSim Toolkit 1.0
+ */
+public class ParameterException extends Exception {
+
+	/** The Constant serialVersionUID. */
+	private static final long serialVersionUID = 1L;
+
+	/** The message. */
+	private final String message;
+
+	/**
+	 * Constructs a new exception with <tt>null</tt> as its detail message.
+	 * 
+	 * @pre $none
+	 * @post $none
+	 */
+	public ParameterException() {
+		super();
+		message = null;
+	}
+
+	/**
+	 * Creates a new ParameterException object.
+	 * 
+	 * @param message an error message
+	 * @pre $none
+	 * @post $none
+	 */
+	public ParameterException(String message) {
+		super();
+		this.message = message;
+	}
+
+	/**
+	 * Returns an error message of this object.
+	 * 
+	 * @return an error message
+	 * @pre $none
+	 * @post $none
+	 */
+	@Override
+	public String toString() {
+		return message;
+	}
+
+}