| /** |
| * 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.hadoop.hdfs.server.namenode.startupprogress; |
| |
| import static org.apache.hadoop.hdfs.server.namenode.startupprogress.Phase.*; |
| import static org.apache.hadoop.hdfs.server.namenode.startupprogress.StepType.*; |
| |
| /** |
| * Utility methods that help with writing tests covering startup progress. |
| */ |
| public class StartupProgressTestHelper { |
| |
| /** |
| * Increments a counter a certain number of times. |
| * |
| * @param prog StartupProgress to increment |
| * @param phase Phase to increment |
| * @param step Step to increment |
| * @param delta long number of times to increment |
| */ |
| public static void incrementCounter(StartupProgress prog, Phase phase, |
| Step step, long delta) { |
| StartupProgress.Counter counter = prog.getCounter(phase, step); |
| for (long i = 0; i < delta; ++i) { |
| counter.increment(); |
| } |
| } |
| |
| /** |
| * Sets up StartupProgress to a state part-way through the startup sequence. |
| * |
| * @param prog StartupProgress to set |
| */ |
| public static void setStartupProgressForRunningState(StartupProgress prog) { |
| prog.beginPhase(LOADING_FSIMAGE); |
| Step loadingFsImageInodes = new Step(INODES); |
| prog.beginStep(LOADING_FSIMAGE, loadingFsImageInodes); |
| prog.setTotal(LOADING_FSIMAGE, loadingFsImageInodes, 100L); |
| incrementCounter(prog, LOADING_FSIMAGE, loadingFsImageInodes, 100L); |
| prog.endStep(LOADING_FSIMAGE, loadingFsImageInodes); |
| prog.endPhase(LOADING_FSIMAGE); |
| |
| prog.beginPhase(LOADING_EDITS); |
| Step loadingEditsFile = new Step("file", 1000L); |
| prog.beginStep(LOADING_EDITS, loadingEditsFile); |
| prog.setTotal(LOADING_EDITS, loadingEditsFile, 200L); |
| incrementCounter(prog, LOADING_EDITS, loadingEditsFile, 100L); |
| } |
| |
| /** |
| * Sets up StartupProgress to final state after startup sequence has completed. |
| * |
| * @param prog StartupProgress to set |
| */ |
| public static void setStartupProgressForFinalState(StartupProgress prog) { |
| prog.beginPhase(LOADING_FSIMAGE); |
| Step loadingFsImageInodes = new Step(INODES); |
| prog.beginStep(LOADING_FSIMAGE, loadingFsImageInodes); |
| prog.setTotal(LOADING_FSIMAGE, loadingFsImageInodes, 100L); |
| incrementCounter(prog, LOADING_FSIMAGE, loadingFsImageInodes, 100L); |
| prog.endStep(LOADING_FSIMAGE, loadingFsImageInodes); |
| prog.endPhase(LOADING_FSIMAGE); |
| |
| prog.beginPhase(LOADING_EDITS); |
| Step loadingEditsFile = new Step("file", 1000L); |
| prog.beginStep(LOADING_EDITS, loadingEditsFile); |
| prog.setTotal(LOADING_EDITS, loadingEditsFile, 200L); |
| incrementCounter(prog, LOADING_EDITS, loadingEditsFile, 200L); |
| prog.endStep(LOADING_EDITS, loadingEditsFile); |
| prog.endPhase(LOADING_EDITS); |
| |
| prog.beginPhase(SAVING_CHECKPOINT); |
| Step savingCheckpointInodes = new Step(INODES); |
| prog.beginStep(SAVING_CHECKPOINT, savingCheckpointInodes); |
| prog.setTotal(SAVING_CHECKPOINT, savingCheckpointInodes, 300L); |
| incrementCounter(prog, SAVING_CHECKPOINT, savingCheckpointInodes, 300L); |
| prog.endStep(SAVING_CHECKPOINT, savingCheckpointInodes); |
| prog.endPhase(SAVING_CHECKPOINT); |
| |
| prog.beginPhase(SAFEMODE); |
| Step awaitingBlocks = new Step(AWAITING_REPORTED_BLOCKS); |
| prog.beginStep(SAFEMODE, awaitingBlocks); |
| prog.setTotal(SAFEMODE, awaitingBlocks, 400L); |
| incrementCounter(prog, SAFEMODE, awaitingBlocks, 400L); |
| prog.endStep(SAFEMODE, awaitingBlocks); |
| prog.endPhase(SAFEMODE); |
| } |
| } |