com.qcloud.cos.model.lifecycle.LifecyclePredicateVisitor Maven / Gradle / Ivy

/*
 * Copyright 2010-2019 Amazon.com, Inc. or its affiliates. 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.
 * A copy of the License is located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 * or in the "license" file accompanying this file. This file 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.
 
 * According to cos feature, we modify some class，comment, field name, etc.
 */


package com.qcloud.cos.model.lifecycle;

import com.qcloud.cos.model.Tag.LifecycleTagPredicate;

/**
 * Interface to invoke specific behavior based on the type of {@link LifecycleFilterPredicate} visited.
 * This follows the visitor design pattern.
 *
 * When an implementation of this visitor is passed to an
 * {@link LifecycleFilterPredicate#accept(LifecyclePredicateVisitor)} method,
 * the visit method most applicable to that element is invoked.
 */
public interface LifecyclePredicateVisitor {

    /**
     * Implement this method to add behaviour performed when
     * {@link LifecyclePrefixPredicate} is visited.
     */
    public void visit(LifecyclePrefixPredicate lifecyclePrefixPredicate);

    /**
     * Implement this method to add behaviour performed when
     * {@link LifecycleTagPredicate} is visited.
     */
    public void visit(LifecycleTagPredicate lifecycleTagPredicate);

    /**
     * Implement this method to add behaviour performed when
     * {@link LifecycleAndOperator} is visited.
     */
    public void visit(LifecycleAndOperator lifecycleAndOperator);
}