| /* |
| * 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.cache.CacheStatistics; |
| import org.apache.geode.cache.EntryDestroyedException; |
| import org.apache.geode.cache.EntryNotFoundException; |
| import org.apache.geode.cache.Region; |
| import org.apache.geode.cache.StatisticsDisabledException; |
| |
| /** |
| * Used to create a cheap Region.Entry that can be passed to the CustomExpiry callback |
| */ |
| class ExpiryRegionEntry implements Region.Entry { |
| |
| private final LocalRegion region; |
| private final RegionEntry regionEntry; |
| |
| ExpiryRegionEntry(LocalRegion region, RegionEntry regionEntry) { |
| this.region = region; |
| this.regionEntry = regionEntry; |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + (regionEntry == null ? 0 : regionEntry.hashCode()); |
| result = prime * result + (region == null ? 0 : region.hashCode()); |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj == null) { |
| return false; |
| } |
| if (getClass() != obj.getClass()) { |
| return false; |
| } |
| ExpiryRegionEntry other = (ExpiryRegionEntry) obj; |
| if (regionEntry == null) { |
| if (other.regionEntry != null) { |
| return false; |
| } |
| } else if (!regionEntry.equals(other.regionEntry)) { |
| return false; |
| } |
| if (region == null) { |
| return other.region == null; |
| } else |
| return region.equals(other.region); |
| } |
| |
| @Override |
| public String toString() { |
| return "region=" + region.getFullPath() + ", key=" + getKey() + " value=" + getValue(); |
| } |
| |
| @Override |
| public Region getRegion() { |
| return region; |
| } |
| |
| /** |
| * Returns the entry's RegionEntry if it "checks" out. The check is to see if the region entry |
| * still exists. |
| * |
| * @throws EntryNotFoundException if the RegionEntry has been removed. |
| */ |
| private RegionEntry getCheckedRegionEntry() throws EntryNotFoundException { |
| if (regionEntry.isDestroyedOrRemoved()) { |
| throw new EntryNotFoundException( |
| "Entry for key " + regionEntry.getKey() + " no longer exists"); |
| } |
| return regionEntry; |
| } |
| |
| @Override |
| public Object getValue() { |
| Object value = |
| region.getDeserialized(getCheckedRegionEntry(), false, false, false, false); |
| if (value == null) { |
| throw new EntryDestroyedException(getKey().toString()); |
| } else if (Token.isInvalid(value)) { |
| return null; |
| } |
| return value; |
| } |
| |
| @Override |
| public boolean isLocal() { |
| // we only create expiry tasks for local entries |
| return true; |
| } |
| |
| @Override |
| public CacheStatistics getStatistics() { |
| LocalRegion lr = region; |
| if (!lr.isStatisticsEnabled()) { |
| throw new StatisticsDisabledException( |
| String.format("Statistics disabled for region '%s'", |
| lr.getFullPath())); |
| } |
| return new CacheStatisticsImpl(getCheckedRegionEntry(), lr); |
| } |
| |
| @Override |
| public Object getUserAttribute() { |
| return region.getEntryUserAttributes().get(getKey()); |
| } |
| |
| @Override |
| public Object setUserAttribute(Object userAttribute) { |
| return region.getEntryUserAttributes().put(getKey(), userAttribute); |
| } |
| |
| @Override |
| public boolean isDestroyed() { |
| return regionEntry.isDestroyedOrRemoved(); |
| } |
| |
| @Override |
| public Object setValue(Object value) { |
| return region.put(getKey(), value); |
| } |
| |
| @Override |
| public Object getKey() { |
| return regionEntry.getKey(); |
| } |
| } |