/* Copyright 1998, 2002 The Apache Software Foundation or its licensors, as applicable
 * 
 * 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 java.lang;


/**
 * This runtime exception is thrown when an action is attempted at a time when
 * the virtual machine is not in the correct state.
 */
public class IllegalStateException extends RuntimeException {

	private static final long serialVersionUID = -1848914673093119416L;

	/**
	 * Constructs a new instance of this class with its walkback filled in.
	 */
	public IllegalStateException() {
		super();
	}

	/**
	 * Constructs a new instance of this class with its walkback and message
	 * filled in.
	 * 
	 * @param detailMessage
	 *            String The detail message for the exception.
	 */
	public IllegalStateException(String detailMessage) {
		super(detailMessage);
	}
    
    /**
     * <p>Constructs a new instance with a message and cause.</p>
     * @param message The message to assign to this exception.
     * @param cause The optional cause of this exception; may be <code>null</code>.
     * @since 1.5
     */
    public IllegalStateException(String message, Throwable cause) {
        super(message, cause);
    }
    
    /**
     * <p>Constructs a new instance with a cause.</p>
     * @param cause The optional cause of this exception; may be <code>null</code>.
     * @since 1.5
     */
    public IllegalStateException(Throwable cause) {
        super((cause == null ? null : cause.toString()), cause);
    }
}
