| /* |
| * 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.geode.internal.cache; |
| |
| import org.apache.geode.CancelCriterion; |
| import org.apache.geode.cache.DiskAccessException; |
| import org.apache.geode.internal.cache.entries.DiskEntry; |
| import org.apache.geode.internal.cache.persistence.DiskExceptionHandler; |
| import org.apache.geode.internal.cache.persistence.DiskRecoveryStore; |
| import org.apache.geode.internal.cache.persistence.DiskRegionView; |
| |
| /** |
| * A disk region that is created when doing offline compaction. |
| */ |
| public class OfflineCompactionDiskRegion extends DiskRegion implements DiskRecoveryStore { |
| private OfflineCompactionDiskRegion(DiskStoreImpl ds, DiskRegionView drv) { |
| super(ds, drv.getName(), drv.isBucket(), true, false, true, |
| new DiskRegionStats(ds.getCache().getDistributedSystem(), drv.getName()), |
| new DummyCancelCriterion(), new DummyDiskExceptionHandler(), null, drv.getFlags(), |
| drv.getPartitionName(), drv.getStartingBucketId(), drv.getCompressorClassName(), |
| drv.getOffHeap()); |
| setConfig(drv.getLruAlgorithm(), drv.getLruAction(), drv.getLruLimit(), |
| drv.getConcurrencyLevel(), drv.getInitialCapacity(), drv.getLoadFactor(), |
| drv.getStatisticsEnabled(), drv.isBucket(), drv.getFlags(), drv.getPartitionName(), |
| drv.getStartingBucketId(), drv.getCompressorClassName(), drv.getOffHeap()); |
| } |
| |
| static OfflineCompactionDiskRegion create(DiskStoreImpl dsi, DiskRegionView drv) { |
| assert dsi != null; |
| OfflineCompactionDiskRegion result = new OfflineCompactionDiskRegion(dsi, drv); |
| result.register(); |
| return result; |
| } |
| |
| ///////////// DiskRecoveryStore methods //////////////// |
| @Override |
| public DiskRegionView getDiskRegionView() { |
| return this; |
| } |
| |
| @Override |
| public DiskEntry getDiskEntry(Object key) { |
| return null; |
| } |
| |
| @Override |
| public DiskEntry initializeRecoveredEntry(Object key, DiskEntry.RecoveredEntry re) { |
| throw new IllegalStateException( |
| "updateRecoveredEntry should not be called when offline compacting"); |
| } |
| |
| @Override |
| public DiskEntry updateRecoveredEntry(Object key, DiskEntry.RecoveredEntry re) { |
| throw new IllegalStateException( |
| "updateRecoveredEntry should not be called when offline compacting"); |
| } |
| |
| @Override |
| public void destroyRecoveredEntry(Object key) {} |
| |
| @Override |
| public void foreachRegionEntry(LocalRegion.RegionEntryCallback callback) { |
| throw new IllegalStateException( |
| "foreachRegionEntry should not be called when offline compacting"); |
| } |
| |
| @Override |
| public boolean lruLimitExceeded() { |
| return false; |
| } |
| |
| @Override |
| public void copyRecoveredEntries(RegionMap rm) { |
| throw new IllegalStateException( |
| "copyRecoveredEntries should not be called on OfflineCompactionDiskRegion"); |
| } |
| |
| @Override |
| public void updateSizeOnFaultIn(Object key, int newSize, int bytesOnDisk) { |
| throw new IllegalStateException( |
| "updateSizeOnFaultIn should not be called on OfflineCompactionDiskRegion"); |
| } |
| |
| @Override |
| public int calculateValueSize(Object val) { |
| return 0; |
| } |
| |
| @Override |
| public RegionMap getRegionMap() { |
| throw new IllegalStateException( |
| "getRegionMap should not be called on OfflineCompactionDiskRegion"); |
| } |
| |
| @Override |
| public void handleDiskAccessException(DiskAccessException dae) { |
| throw new IllegalStateException( |
| "handleDiskAccessException should not be called on OfflineCompactionDiskRegion"); |
| } |
| |
| @Override |
| public void initializeStats(long numEntriesInVM, long numOverflowOnDisk, |
| long numOverflowBytesOnDisk) { |
| throw new IllegalStateException( |
| "initializeStats should not be called on OfflineCompactionDiskRegion"); |
| } |
| |
| |
| |
| public static class DummyDiskExceptionHandler implements DiskExceptionHandler { |
| @Override |
| public void handleDiskAccessException(DiskAccessException dae) { |
| // nothing needed |
| } |
| |
| public boolean shouldStopServer() { |
| return false; |
| } |
| } |
| |
| private static class DummyCancelCriterion extends CancelCriterion { |
| |
| @Override |
| public String cancelInProgress() { |
| return null; |
| } |
| |
| @Override |
| public RuntimeException generateCancelledException(Throwable e) { |
| return new RuntimeException(e); |
| } |
| |
| } |
| } |