org.apache.dubbo.config.annotation.Reference Maven / Gradle / Ivy
Show all versions of dubbo Show documentation
/*
* 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.dubbo.config.annotation;
import org.apache.dubbo.common.constants.ClusterRules;
import org.apache.dubbo.common.constants.LoadbalanceRules;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* Reference
*
*
* @see DubboReference
* @since 2.7.0
* @deprecated Recommend {@link DubboReference} as the substitute
*/
@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.FIELD, ElementType.METHOD, ElementType.ANNOTATION_TYPE})
@Deprecated
public @interface Reference {
/**
* Interface class, default value is void.class
*/
Class interfaceClass() default void.class;
/**
* Interface class name, default value is empty string
*/
String interfaceName() default "";
/**
* Service version, default value is empty string
*/
String version() default "";
/**
* Service group, default value is empty string
*/
String group() default "";
/**
* Service target URL for direct invocation, if this is specified, then registry center takes no effect.
*/
String url() default "";
/**
* Client transport type, default value is "netty"
*/
String client() default "";
/**
* Whether to enable generic invocation, default value is false
*/
boolean generic() default false;
/**
* When enable, prefer to call local service in the same JVM if it's present, default value is true
*/
boolean injvm() default true;
/**
* Check if service provider is available during boot up, default value is true
*/
boolean check() default true;
/**
* Whether eager initialize the reference bean when all properties are set, default value is false
*/
boolean init() default false;
/**
* Whether to make connection when the client is created, the default value is false
*/
boolean lazy() default false;
/**
* Export an stub service for event dispatch, default value is false.
*
* see org.apache.dubbo.rpc.Constants#STUB_EVENT_METHODS_KEY
*/
boolean stubevent() default false;
/**
* Whether to reconnect if connection is lost, if not specify, reconnect is enabled by default, and the interval
* for retry connecting is 2000 ms
*
* see org.apache.dubbo.remoting.Constants#DEFAULT_RECONNECT_PERIOD
*/
String reconnect() default "";
/**
* Whether to stick to the same node in the cluster, the default value is false
*
* see Constants#DEFAULT_CLUSTER_STICKY
*/
boolean sticky() default false;
/**
* How the proxy is generated, legal values include: jdk, javassist
*/
String proxy() default "";
/**
* Service stub name, use interface name + Local if not set
*/
String stub() default "";
/**
* Cluster strategy, you can use {@link org.apache.dubbo.common.constants.ClusterRules#FAIL_FAST} ……
*/
String cluster() default ClusterRules.EMPTY;
/**
* Maximum connections service provider can accept, default value is 0 - connection is shared
*/
int connections() default 0;
/**
* The callback instance limit peer connection
*
* see org.apache.dubbo.rpc.Constants#DEFAULT_CALLBACK_INSTANCES
*/
int callbacks() default 0;
/**
* Callback method name when connected, default value is empty string
*/
String onconnect() default "";
/**
* Callback method name when disconnected, default value is empty string
*/
String ondisconnect() default "";
/**
* Service owner, default value is empty string
*/
String owner() default "";
/**
* Service layer, default value is empty string
*/
String layer() default "";
/**
* Service invocation retry times
*
* see Constants#DEFAULT_RETRIES
*/
int retries() default 2;
/**
* Load balance strategy, you can use {@link org.apache.dubbo.common.constants.LoadbalanceRules#RANDOM} ……
*/
String loadbalance() default LoadbalanceRules.EMPTY;
/**
* Whether to enable async invocation, default value is false
*/
boolean async() default false;
/**
* Maximum active requests allowed, default value is 0
*/
int actives() default 0;
/**
* Whether the async request has already been sent, the default value is false
*/
boolean sent() default false;
/**
* Service mock name, use interface name + Mock if not set
*/
String mock() default "";
/**
* Whether to use JSR303 validation, legal values are: true, false
*/
String validation() default "";
/**
* Timeout value for service invocation, default value is 0
*/
int timeout() default 0;
/**
* Specify cache implementation for service invocation, legal values include: lru, threadlocal, jcache
*/
String cache() default "";
/**
* Filters for service invocation
*
* see Filter
*/
String[] filter() default {};
/**
* Listeners for service exporting and unexporting
*
* see ExporterListener
*/
String[] listener() default {};
/**
* Customized parameter key-value pair, for example: {key1, value1, key2, value2}
*/
String[] parameters() default {};
/**
* Application associated name
*/
String application() default "";
/**
* Module associated name
*/
String module() default "";
/**
* Consumer associated name
*/
String consumer() default "";
/**
* Monitor associated name
*/
String monitor() default "";
/**
* Registry associated name
*/
String[] registry() default {};
/**
* The communication protocol of Dubbo Service
*
* @return the default value is ""
* @since 2.6.6
*/
String protocol() default "";
/**
* Service tag name
*/
String tag() default "";
/**
* methods support
*
* @return
*/
Method[] methods() default {};
/**
* The id
*
* @return default value is empty
* @since 2.7.3
*/
String id() default "";
/**
* specify serialization from consumer side
* @see org.apache.dubbo.remoting.Constants#SERIALIZATION_KEY
*/
String serialization() default "";
}