| /* |
| * 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.internal.processors.cache; |
| |
| import java.io.Externalizable; |
| import java.io.IOException; |
| import java.io.ObjectInput; |
| import java.io.ObjectOutput; |
| import javax.cache.Cache; |
| import org.apache.ignite.cache.CacheEntry; |
| import org.apache.ignite.internal.processors.cache.version.GridCacheVersion; |
| |
| /** |
| * |
| */ |
| public class CacheEntryImpl<K, V> implements Cache.Entry<K, V>, Externalizable { |
| /** */ |
| private static final long serialVersionUID = 0L; |
| |
| /** */ |
| private K key; |
| |
| /** */ |
| private V val; |
| |
| /** Entry version. */ |
| private GridCacheVersion ver; |
| |
| /** |
| * Required by {@link Externalizable}. |
| */ |
| public CacheEntryImpl() { |
| // No-op. |
| } |
| |
| /** |
| * @param key Key. |
| * @param val Value. |
| */ |
| public CacheEntryImpl(K key, V val) { |
| this.key = key; |
| this.val = val; |
| } |
| |
| /** |
| * @param key Key. |
| * @param val Value. |
| * @param ver Entry version. |
| */ |
| public CacheEntryImpl(K key, V val, GridCacheVersion ver) { |
| this.key = key; |
| this.val = val; |
| this.ver = ver; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public K getKey() { |
| return key; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public V getValue() { |
| return val; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public <T> T unwrap(Class<T> cls) { |
| if (cls.isAssignableFrom(getClass())) |
| return cls.cast(this); |
| |
| if (cls.isAssignableFrom(CacheEntry.class)) |
| return (T)new CacheEntryImplEx<>(key, val, ver); |
| |
| throw new IllegalArgumentException("Unwrapping to class is not supported: " + cls); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void writeExternal(ObjectOutput out) throws IOException { |
| out.writeObject(key); |
| out.writeObject(val); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException { |
| key = (K)in.readObject(); |
| val = (V)in.readObject(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return "Entry [key=" + key + ", val=" + val + ']'; |
| } |
| } |