| /* |
| * 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.jackrabbit.oak.plugins.index.search.update; |
| |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.jackrabbit.oak.stats.Clock; |
| import org.junit.Test; |
| |
| public class RefreshOnReadPolicyTest { |
| private final Clock clock = new Clock.Virtual(); |
| private final RecordingRunnable refreshCallback = new RecordingRunnable(); |
| private final RefreshOnReadPolicy policy = new RefreshOnReadPolicy(clock, TimeUnit.SECONDS, 1); |
| private final long refreshDelta = TimeUnit.SECONDS.toMillis(1) + 1; |
| |
| @Test |
| public void noRefreshOnReadIfNotUpdated() throws Exception{ |
| policy.refreshOnReadIfRequired(refreshCallback); |
| refreshCallback.assertNotInvokedAndReset(); |
| } |
| |
| @Test |
| public void refreshOnFirstWrite() throws Exception{ |
| clock.waitUntil(System.currentTimeMillis()); |
| |
| policy.refreshOnWriteIfRequired(refreshCallback); |
| refreshCallback.assertInvokedAndReset(); |
| } |
| |
| @Test |
| public void refreshOnReadAfterWrite() throws Exception{ |
| clock.waitUntil(System.currentTimeMillis()); |
| |
| policy.refreshOnWriteIfRequired(refreshCallback); |
| refreshCallback.reset(); |
| //Call again without change in time |
| policy.refreshOnWriteIfRequired(refreshCallback); |
| |
| //This time callback should not be invoked |
| refreshCallback.assertNotInvokedAndReset(); |
| |
| policy.refreshOnReadIfRequired(refreshCallback); |
| //On read the callback should be invoked |
| refreshCallback.assertInvokedAndReset(); |
| } |
| |
| @Test |
| public void refreshOnWriteWithTimeElapsed() throws Exception{ |
| clock.waitUntil(System.currentTimeMillis()); |
| |
| policy.refreshOnWriteIfRequired(refreshCallback); |
| refreshCallback.reset(); |
| |
| //Call again without change in time |
| policy.refreshOnWriteIfRequired(refreshCallback); |
| |
| //This time callback should not be invoked |
| refreshCallback.assertNotInvokedAndReset(); |
| |
| clock.waitUntil(clock.getTime() + refreshDelta); |
| |
| policy.refreshOnWriteIfRequired(refreshCallback); |
| refreshCallback.assertInvokedAndReset(); |
| } |
| |
| } |