| /* |
| * 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.ignite.cache; |
| |
| import javax.cache.Cache; |
| import org.apache.ignite.lang.IgniteBiTuple; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * Cache interceptor convenience adapter. It provides no-op implementations for all |
| * interceptor callbacks. |
| */ |
| public class CacheInterceptorAdapter<K, V> implements CacheInterceptor<K, V> { |
| /** */ |
| private static final long serialVersionUID = 0L; |
| |
| /** {@inheritDoc} */ |
| @Nullable @Override public V onGet(K key, V val) { |
| return val; |
| } |
| |
| /** {@inheritDoc} */ |
| @Nullable @Override public V onBeforePut(Cache.Entry<K, V> entry, V newVal) { |
| return newVal; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void onAfterPut(Cache.Entry<K, V> entry) { |
| // No-op. |
| } |
| |
| /** {@inheritDoc} */ |
| @Nullable @Override public IgniteBiTuple<Boolean, V> onBeforeRemove(Cache.Entry<K, V> entry) { |
| return new IgniteBiTuple<>(false, entry.getValue()); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void onAfterRemove(Cache.Entry<K, V> entry) { |
| // No-op. |
| } |
| } |