/*
 * Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
 *
 * 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 com.hazelcast.config;

/**
 * Determines the behavior of WAN replication impl. in case of WAN event queues are full
 */
public enum WANQueueFullBehavior {

    /**
     * Instruct WAN repl. impl to drop new events when WAN event queues are full
     */
    DISCARD_AFTER_MUTATION(0),

    /**
     * Instruct WAN repl. impl to throw an exception and doesn't allow further processing.
     */
    THROW_EXCEPTION(1),

    /**
     * Similar to {@link #THROW_EXCEPTION} but only throws exception when WAN replication is active.
     * Discards the new events if WAN replication is stopped.
     */
    THROW_EXCEPTION_ONLY_IF_REPLICATION_ACTIVE(2);

    private final int id;

    WANQueueFullBehavior(int id) {
        this.id = id;
    }

    /**
     * Gets the id for the given {@link WANQueueFullBehavior}.
     *
     * This reason this id is used instead of an the ordinal value is that the ordinal value is more prone to changes due to
     * reordering.
     *
     * @return the id.
     */
    public int getId() {
        return id;
    }

    /**
     +     * Returns the EntryEventType as an enum.
     +     *
     +     * @return the EntryEventType as an enum.
     +     */
    public static WANQueueFullBehavior getByType(final int id) {
        for (WANQueueFullBehavior behavior : values()) {
            if (behavior.id == id) {
                return behavior;
            }
        }
        return null;
    }
}