| /* |
| * 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; |
| |
| /* |
| * RegionExpiryTask represents a timeout event for region expiration |
| */ |
| |
| import org.apache.geode.SystemFailure; |
| import org.apache.geode.cache.CacheException; |
| import org.apache.geode.cache.ExpirationAttributes; |
| import org.apache.geode.cache.TimeoutException; |
| |
| abstract class RegionExpiryTask extends ExpiryTask { |
| private boolean isCanceled; |
| |
| protected RegionExpiryTask(LocalRegion reg) { |
| super(reg); |
| this.isCanceled = false; |
| } |
| |
| @Override |
| public Object getKey() { |
| return null; |
| } |
| |
| @Override |
| protected ExpirationAttributes getIdleAttributes() { |
| return getLocalRegion().getRegionIdleTimeout(); |
| } |
| |
| @Override |
| protected ExpirationAttributes getTTLAttributes() { |
| return getLocalRegion().getRegionTimeToLive(); |
| } |
| |
| @Override |
| protected long getLastAccessedTime() { |
| return getLocalRegion().getLastAccessedTime(); |
| } |
| |
| @Override |
| protected long getLastModifiedTime() { |
| return getLocalRegion().getLastModifiedTime(); |
| } |
| |
| @Override |
| protected boolean destroy(boolean isPending) throws CacheException { |
| return getLocalRegion().expireRegion(this, true, true); |
| } |
| |
| @Override |
| protected boolean invalidate() throws TimeoutException { |
| return getLocalRegion().expireRegion(this, true, false); |
| } |
| |
| @Override |
| protected boolean localDestroy() throws CacheException { |
| return getLocalRegion().expireRegion(this, false, true); |
| } |
| |
| @Override |
| protected boolean localInvalidate() { |
| return getLocalRegion().expireRegion(this, false, false); |
| } |
| |
| @Override |
| public boolean cancel() { |
| isCanceled = true; |
| return super.cancel(); |
| } |
| |
| @Override |
| protected void performTimeout() throws CacheException { |
| if (isCanceled) { |
| return; |
| } |
| super.performTimeout(); |
| } |
| |
| @Override |
| protected void basicPerformTimeout(boolean isPending) throws CacheException { |
| if (isCanceled) { |
| return; |
| } |
| if (!isExpirationAllowed()) { |
| return; |
| } |
| if (isExpirationPossible()) { |
| if (expire(isPending)) { |
| reschedule(); |
| } |
| } else { |
| reschedule(); |
| } |
| } |
| |
| @Override |
| protected void reschedule() throws CacheException { |
| if (isCacheClosing() || getLocalRegion().isClosed() || getLocalRegion().isDestroyed() |
| || !isExpirationAllowed()) { |
| return; |
| } |
| |
| addExpiryTask(); |
| if (expiryTaskListener != null) { |
| expiryTaskListener.afterReschedule(this); |
| } |
| } |
| |
| @Override |
| public String toString() { |
| String expireTime = "<unavailable>"; |
| try { |
| expireTime = String.valueOf(getExpirationTime()); |
| } catch (VirtualMachineError err) { |
| SystemFailure.initiateFailure(err); |
| // If this ever returns, rethrow the error. We're poisoned |
| // now, so don't let this thread continue. |
| throw err; |
| } catch (Throwable e) { |
| // Whenever you catch Error or Throwable, you must also |
| // catch VirtualMachineError (see above). However, there is |
| // _still_ a possibility that you are dealing with a cascading |
| // error condition, so you also need to check to see if the JVM |
| // is still usable: |
| SystemFailure.checkFailure(); |
| } |
| return super.toString() + " for " + getLocalRegion().getFullPath() + ", expiration time: " |
| + expireTime + " [now: " + calculateNow() + "]"; |
| } |
| } |