eagle-core/eagle-app/eagle-app-base/src/main/java/org/apache/eagle/app/ApplicationLifecycle.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
 * <p/>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p/>
 * 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.eagle.app;

/**
 * Application Lifecycle Listener/Callback.
 */
public interface ApplicationLifecycle {
    /**
     * After Application Installed. (Callback)
     */
    default void afterInstall() {
        // Do nothing by default
    }

    /**
     * After Application Uninstalled. (Callback)
     */
    default void afterUninstall() {
        // Do nothing by default
    }

    /**
     * Before Application Start. (Prepare)
     */
    default void beforeStart() {
        // Do nothing by default
    }

    /**
     * After Application Stopped. (Callback)
     */
    default void afterStop() {
        // Do nothing by default
    }
}