/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.catalina.session;

/**
 * An exception that indicates the maximum number of active sessions has been
 * reached and the server is refusing to create any new sessions.
 */
public class TooManyActiveSessionsException extends IllegalStateException {

    private static final long serialVersionUID = 1L;

    /**
     * The maximum number of active sessions the server will tolerate.
     */
    private final int maxActiveSessions;

    /**
     * Creates a new TooManyActiveSessionsException.
     *
     * @param message A description for the exception.
     * @param maxActive The maximum number of active sessions allowed by the
     *                  session manager.
     */
    public TooManyActiveSessionsException(String message, int maxActive) {
        super(message);
        maxActiveSessions = maxActive;
    }

    /**
     * Gets the maximum number of sessions allowed by the session manager.
     *
     * @return The maximum number of sessions allowed by the session manager.
     */
    public int getMaxActiveSessions() {
        return maxActiveSessions;
    }
}
