core/camel-api/src/main/java/org/apache/camel/Ordered.java

/*
 * 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.camel;

/**
 * Interface to be implemented by objects that should be orderable, such as with a {@link java.util.Collection}.
 */
public interface Ordered {

    /**
     * The highest precedence
     */
    int HIGHEST = Integer.MIN_VALUE;

    /**
     * The lowest precedence
     */
    int LOWEST = Integer.MAX_VALUE;

    /**
     * Gets the order.
     * <p/>
     * Use low numbers for higher priority. Normally the sorting will start from 0 and move upwards.
     * So if you want to be last then use {@link Integer#MAX_VALUE} or eg {@link #LOWEST}.
     *
     * @return the order
     */
    int getOrder();
}