org.redisson.api.annotation.RObjectField Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of redisson-all Show documentation

Easy Redis Java client and Real-Time Data Platform. Valkey compatible. Sync/Async/RxJava3/Reactive API. Client side caching. Over 50 Redis based Java objects and services: JCache API, Apache Tomcat, Hibernate, Spring, Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Scheduler, RPC

There is a newer version: 3.40.2

Show newest version

/**
 * Copyright (c) 2013-2024 Nikita Koksharov
 *
 * Licensed 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.redisson.api.annotation;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

import org.redisson.client.codec.BaseCodec;
import org.redisson.client.codec.Codec;
import org.redisson.client.protocol.Decoder;
import org.redisson.client.protocol.Encoder;
import org.redisson.liveobject.resolver.DefaultNamingScheme;
import org.redisson.liveobject.resolver.NamingScheme;

/**
 * By default namingScheme and/or codec parameters specified in {@link REntity}
 * are applied for each Live Object field. 
 * 
 * This annotation allows to specify custom namingScheme and/or codec parameters 
 * for any Live Object field except that marked with {@link RId}.
 *
 * @author Rui Gu (https://github.com/jackygurui)
 */
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.FIELD})
public @interface RObjectField{

    /**
     * (Optional) Live Object naming scheme. Defines how to assign key names for each instance of this class. 
     * Used to create a reference to an existing Live Object and materialising a new one in redis. 
     * Defaults to {@link DefaultNamingScheme} implementation.
     * 
     * @return scheme
     */
    Class namingScheme() default DefaultNamingScheme.class;

    /**
     * (Optional) Live Object state codec.
     * null means to use codec specified in Redisson configuration
     * 
     * @return codec
     */
    Class codec() default DEFAULT.class;
    
    final class DEFAULT extends BaseCodec {
        @Override
        public Decoder