1 /*
2 * ====================================================================
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 * ====================================================================
20 *
21 * This software consists of voluntary contributions made by many
22 * individuals on behalf of the Apache Software Foundation. For more
23 * information on the Apache Software Foundation, please see
24 * <http://www.apache.org/>.
25 *
26 */
27 package org.apache.http.impl.client.cache;
28
29 import java.io.Closeable;
30
31 /**
32 * Specifies when revalidation requests are scheduled.
33 *
34 * @since 4.3
35 */
36 public interface SchedulingStrategy extends Closeable
37 {
38 /**
39 * Schedule an {@link AsynchronousValidationRequest} to be executed.
40 *
41 * @param revalidationRequest the request to be executed; not {@code null}
42 * @throws java.util.concurrent.RejectedExecutionException if the request could not be scheduled for execution
43 */
44 void schedule(AsynchronousValidationRequest revalidationRequest);
45 }