001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.regionserver.storefiletracker;
019
020import java.io.IOException;
021import java.util.Collection;
022import java.util.Collections;
023import java.util.List;
024import org.apache.hadoop.conf.Configuration;
025import org.apache.hadoop.fs.FileSystem;
026import org.apache.hadoop.hbase.TableName;
027import org.apache.hadoop.hbase.client.RegionInfo;
028import org.apache.hadoop.hbase.client.RegionInfoBuilder;
029import org.apache.hadoop.hbase.regionserver.HRegionFileSystem;
030import org.apache.hadoop.hbase.regionserver.StoreContext;
031import org.apache.hadoop.hbase.regionserver.StoreFileInfo;
032import org.mockito.Mockito;
033import org.slf4j.Logger;
034import org.slf4j.LoggerFactory;
035
036public class DummyStoreFileTrackerForReadOnlyMode extends StoreFileTrackerBase {
037  private static final Logger LOG =
038    LoggerFactory.getLogger(DummyStoreFileTrackerForReadOnlyMode.class);
039
040  private boolean readOnlyUsed = false;
041  private boolean compactionExecuted = false;
042  private boolean addExecuted = false;
043  private boolean setExecuted = false;
044
045  private static StoreContext buildStoreContext(Configuration conf, TableName tableName) {
046    RegionInfo regionInfo = RegionInfoBuilder.newBuilder(tableName).build();
047    HRegionFileSystem hfs = Mockito.mock(HRegionFileSystem.class);
048    try {
049      Mockito.when(hfs.getRegionInfo()).thenReturn(regionInfo);
050      Mockito.when(hfs.getFileSystem()).thenReturn(FileSystem.get(conf));
051    } catch (IOException e) {
052      LOG.error("Failed to get FileSystem for StoreContext creation", e);
053    }
054    return StoreContext.getBuilder().withRegionFileSystem(hfs).build();
055  }
056
057  public DummyStoreFileTrackerForReadOnlyMode(Configuration conf, boolean isPrimaryReplica,
058    TableName tableName) {
059    super(conf, isPrimaryReplica, buildStoreContext(conf, tableName));
060  }
061
062  @Override
063  protected void doAddCompactionResults(Collection<StoreFileInfo> compactedFiles,
064    Collection<StoreFileInfo> newFiles) {
065    compactionExecuted = true;
066  }
067
068  @Override
069  protected void doSetStoreFiles(Collection<StoreFileInfo> files) throws IOException {
070    setExecuted = true;
071  }
072
073  @Override
074  protected List<StoreFileInfo> doLoadStoreFiles(boolean readOnly) {
075    readOnlyUsed = readOnly;
076    return Collections.emptyList();
077  }
078
079  @Override
080  protected void doAddNewStoreFiles(Collection<StoreFileInfo> newFiles) throws IOException {
081    addExecuted = true;
082  }
083
084  boolean wasReadOnlyLoad() {
085    return readOnlyUsed;
086  }
087
088  boolean wasCompactionExecuted() {
089    return compactionExecuted;
090  }
091
092  boolean wasAddExecuted() {
093    return addExecuted;
094  }
095
096  boolean wasSetExecuted() {
097    return setExecuted;
098  }
099
100  @Override
101  public boolean requireWritingToTmpDirFirst() {
102    return false;
103  }
104}