elasticjob-infra/elasticjob-infra-common/src/main/java/org/apache/shardingsphere/elasticjob/infra/listener/ElasticJobListener.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.shardingsphere.elasticjob.infra.listener;

import org.apache.shardingsphere.elasticjob.infra.spi.TypedSPI;

/**
 * ElasticJob listener.
 */
public interface ElasticJobListener extends TypedSPI {

    int LOWEST = Integer.MAX_VALUE;
    
    /**
     * Called before job executed.
     * 
     * @param shardingContexts sharding contexts
     */
    void beforeJobExecuted(ShardingContexts shardingContexts);
    
    /**
     * Called after job executed.
     *
     * @param shardingContexts sharding contexts
     */
    void afterJobExecuted(ShardingContexts shardingContexts);

    /**
     * Listener order, default is the lowest.
     * @return order
     */
    default int order() {
        return LOWEST;
    }
}