| /* |
| * 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.cache30; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.apache.geode.SystemFailure; |
| import org.apache.geode.cache.CacheEvent; |
| import org.apache.geode.cache.CacheListener; |
| import org.apache.geode.cache.EntryEvent; |
| import org.apache.geode.cache.RegionEvent; |
| |
| /** |
| * A <code>CacheListener</code> used in testing. Its callback methods are implemented to thrown |
| * {@link UnsupportedOperationException} unless the user overrides the "2" methods. |
| * |
| * @see #wasInvoked |
| * |
| * @since GemFire 3.0 |
| */ |
| public abstract class TestCacheListener<K, V> extends TestCacheCallback |
| implements CacheListener<K, V> { |
| private final Object lock = new Object(); |
| private List<CacheEvent<K, V>> eventHistory = null; |
| |
| /** |
| * Should be called for every event delivered to this listener |
| */ |
| private void addEvent(CacheEvent<K, V> e, boolean setInvoked) { |
| synchronized (lock) { |
| if (setInvoked) { |
| this.invoked = true; |
| } |
| if (this.eventHistory != null) { |
| this.eventHistory.add(e); |
| } |
| } |
| } |
| |
| private void addEvent(CacheEvent<K, V> e) { |
| addEvent(e, true); |
| } |
| |
| /** |
| * Enables collection of event history. |
| * |
| * @since GemFire 5.0 |
| */ |
| public void enableEventHistory() { |
| synchronized (lock) { |
| if (this.eventHistory == null) { |
| this.eventHistory = new ArrayList<>(); |
| } |
| } |
| } |
| |
| /** |
| * Disables collection of events. |
| * |
| * @since GemFire 5.0 |
| */ |
| public void disableEventHistory() { |
| synchronized (lock) { |
| this.eventHistory = null; |
| } |
| } |
| |
| /** |
| * Returns a copy of the list of events collected in this listener's history. Also clears the |
| * current history. |
| * |
| * @since GemFire 5.0 |
| */ |
| public List<CacheEvent<K, V>> getEventHistory() { |
| synchronized (lock) { |
| if (this.eventHistory == null) { |
| return Collections.emptyList(); |
| } else { |
| List<CacheEvent<K, V>> result = this.eventHistory; |
| this.eventHistory = new ArrayList<>(); |
| return result; |
| } |
| } |
| } |
| |
| @Override |
| public void afterCreate(EntryEvent<K, V> event) { |
| addEvent(event); |
| try { |
| afterCreate2(event); |
| } catch (VirtualMachineError e) { |
| SystemFailure.initiateFailure(e); |
| throw e; |
| } catch (Throwable t) { |
| this.callbackError = t; |
| } |
| } |
| |
| public void afterCreate2(EntryEvent<K, V> event) { |
| String s = "Unexpected callback invocation"; |
| throw new UnsupportedOperationException(s); |
| } |
| |
| @Override |
| public void afterUpdate(EntryEvent<K, V> event) { |
| addEvent(event); |
| try { |
| afterUpdate2(event); |
| } catch (VirtualMachineError e) { |
| SystemFailure.initiateFailure(e); |
| throw e; |
| } catch (Throwable t) { |
| this.callbackError = t; |
| } |
| } |
| |
| public void afterUpdate2(EntryEvent<K, V> event) { |
| String s = "Unexpected callback invocation"; |
| throw new UnsupportedOperationException(s); |
| } |
| |
| @Override |
| public void afterInvalidate(EntryEvent<K, V> event) { |
| addEvent(event); |
| try { |
| afterInvalidate2(event); |
| } catch (VirtualMachineError e) { |
| SystemFailure.initiateFailure(e); |
| throw e; |
| } catch (Throwable t) { |
| this.callbackError = t; |
| } |
| } |
| |
| public void afterInvalidate2(EntryEvent<K, V> event) { |
| String s = "Unexpected callback invocation"; |
| throw new UnsupportedOperationException(s); |
| } |
| |
| @Override |
| public void afterDestroy(EntryEvent<K, V> event) { |
| afterDestroyBeforeAddEvent(event); |
| addEvent(event); |
| try { |
| afterDestroy2(event); |
| } catch (VirtualMachineError e) { |
| SystemFailure.initiateFailure(e); |
| throw e; |
| } catch (Throwable t) { |
| this.callbackError = t; |
| } |
| } |
| |
| public void afterDestroyBeforeAddEvent(EntryEvent<K, V> event) { |
| // do nothing by default |
| } |
| |
| public void afterDestroy2(EntryEvent<K, V> event) { |
| String s = "Unexpected callback invocation"; |
| throw new UnsupportedOperationException(s); |
| } |
| |
| @Override |
| public void afterRegionInvalidate(RegionEvent<K, V> event) { |
| addEvent(event); |
| try { |
| afterRegionInvalidate2(event); |
| } catch (VirtualMachineError e) { |
| SystemFailure.initiateFailure(e); |
| throw e; |
| } catch (Throwable t) { |
| this.callbackError = t; |
| } |
| } |
| |
| public void afterRegionInvalidate2(RegionEvent<K, V> event) { |
| String s = "Unexpected callback invocation"; |
| throw new UnsupportedOperationException(s); |
| } |
| |
| @Override |
| public void afterRegionDestroy(RegionEvent<K, V> event) { |
| // check argument to see if this is during tearDown |
| if ("teardown".equals(event.getCallbackArgument())) |
| return; |
| afterRegionDestroyBeforeAddEvent(event); |
| addEvent(event); |
| try { |
| afterRegionDestroy2(event); |
| } catch (VirtualMachineError e) { |
| SystemFailure.initiateFailure(e); |
| throw e; |
| } catch (Throwable t) { |
| this.callbackError = t; |
| } |
| } |
| |
| public void afterRegionDestroyBeforeAddEvent(RegionEvent<K, V> ignored) {} |
| |
| public void afterRegionDestroy2(RegionEvent<K, V> event) { |
| if (!event.getOperation().isClose()) { |
| String s = "Unexpected callback invocation"; |
| throw new UnsupportedOperationException(s); |
| } |
| } |
| |
| @Override |
| public void afterRegionClear(RegionEvent<K, V> event) { |
| addEvent(event, false); |
| } |
| |
| @Override |
| public void afterRegionCreate(RegionEvent<K, V> event) { |
| addEvent(event, false); |
| } |
| |
| @Override |
| public void afterRegionLive(RegionEvent<K, V> event) { |
| addEvent(event, false); |
| } |
| } |