com.alibaba.nacos.api.config.annotation.NacosConfigurationProperties Maven / Gradle / Ivy
/*
* Copyright 1999-2018 Alibaba Group Holding Ltd.
*
* 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 com.alibaba.nacos.api.config.annotation;
import com.alibaba.nacos.api.PropertyKeyConst;
import com.alibaba.nacos.api.annotation.NacosProperties;
import com.alibaba.nacos.api.common.Constants;
import com.alibaba.nacos.api.config.ConfigType;
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;
import static com.alibaba.nacos.api.common.Constants.DEFAULT_GROUP;
/**
* An annotation for Nacos configuration Properties for binding POJO as Properties Object.
*
* @author Mercy
* @see PropertyKeyConst
* @since 0.2.0
*/
@Target({ElementType.TYPE})
@Retention(RetentionPolicy.RUNTIME)
@Documented
public @interface NacosConfigurationProperties {
/**
* config prefix name.
*
* @return default value is ""
*/
String prefix() default "";
/**
* Nacos Group ID.
*
* @return default value {@link Constants#DEFAULT_GROUP};
*/
String groupId() default DEFAULT_GROUP;
/**
* Nacos Data ID.
*
* @return required value.
*/
String dataId();
/**
* config style.
*
* @return default value is {@link ConfigType#UNSET}
*/
ConfigType type() default ConfigType.UNSET;
/**
* It indicates the properties of current doBind bean is auto-refreshed when Nacos configuration is changed.
*
* @return default value is false
*/
boolean autoRefreshed() default false;
/**
* Flag to indicate that when binding to this object invalid fields should be ignored. Invalid means invalid
* according to the binder that is used, and usually this means fields of the wrong type (or that cannot be coerced
* into the correct type).
*
* @return the flag value (default false)
*/
boolean ignoreInvalidFields() default false;
/**
* Flag to indicate that when binding to this object fields with periods in their names should be ignored.
*
* @return the flag value (default false)
*/
boolean ignoreNestedProperties() default false;
/**
* Flag to indicate that when binding to this object unknown fields should be ignored. An unknown field could be a
* sign of a mistake in the Properties.
*
* @return the flag value (default true)
*/
boolean ignoreUnknownFields() default true;
/**
* Flag to indicate that an exception should be raised if a Validator is available and validation fails. If it is
* set to false, validation errors will be swallowed. They will be logged, but not propagated to the caller.
*
* @return the flag value (default true)
*/
boolean exceptionIfInvalid() default true;
/**
* The {@link NacosProperties} attribute, If not specified, it will use global Nacos Properties.
*
* @return the default value is {@link NacosProperties}
*/
NacosProperties properties() default @NacosProperties;
}