? ????? Spring Boot ??????? ?? ?? ?? ???? Bean? ???? ???? ??? ?????. @ConditionalOnProperty ??? ???? Bean? ?????? ???? ??? ? ???? ??? ??? ???? ??? Bean? ????? ???? ??? ??? ???? ??? ??? ? ????. ? ???? ??? ?? ??? ???? @ConditionalOnProperty ??? ???? ????? ?????.

Spring Boot ?????? ????? ??? ??? ???? ?? Bean? ???? ??? ???? ?? ??? ????. ?? ??, ??? ????? ??? ??? ?? ?? ?? ????? ??? ??? ??? ?????? ????? ? ? ????. Spring Boot? ?? ?? ?? ???? Bean ??? ?? ??? ? ?? @ConditionalOnProperty ??? ?????.

@ConditionalOnProperty ?? ??

@ConditionalOnProperty ??? @Bean ??? ?? ???(????? ?? ???)? ??? ? ? ????. ? ??? ??? ?? ??? ??? ???? ???? ?? Bean? ????? ????.

@ConditionalOnProperty ???? ????? ???? ??? ?? ??? ????.

• prefix : ?? ??? ??????. ?? ?? ?? ??? my.property.name?? ???? my.property? ??? ? ????.
• name : ?? ??? ?????. ?? ?? ?? ??? my.property.name?? name? name?? ??? ? ????.
• value : ?? ??? ????. Bean? ?? ??? ?? value? ?? ???? ?????. ??? ???? ?? ?? ??? ? ????.
• haveValue : ?? ??? ????. Bean? ?? ??? ?? haveValue? ??? ???? ?????. value? ?? hasValue? ???? ???? ? ? ??? ??? ??? ? ????.
• matchIfMissing : ?? ??? ???? ?? ?? Bean? ???? ?????. ???? false???. ?, ?? ??? ???? ??? Bean? ???? ????.

?? ??

CachingConnectionFactory? UserCredentialsConnectionFactoryAdapter?? ? ?? ?? ??? ?????. ??? ?? ?? ???.userconnection? ?? ???? ??? Bean? ????? ???. ???.userconnection ?? true?? UserCredentialsConnectionFactoryAdapter? ?????. ???.userconnection ?? false?? CachingConnectionFactory? ?????.

?? ??? ??? ????.

 org.springframework.boot.autoconfigure.condition.ConditionalOnProperty ????;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
org.springframework.jms.connection.CachingConnectionFactory ????;
org.springframework.jms.connection.UserCredentialsConnectionFactoryAdapter ????;

import javax.jms.ConnectionFactory;

@??
?? ??? ConnectionFactoryConfig {

    @?
    @ConditionalOnProperty(prefix = "enable", name = "userconnection", hadValue = "false", matchIfMissing = true)
    ?? CachingConnectionFactory ??Factory() {
        CachingConnectionFactory ??Factory = new CachingConnectionFactory();
        // CachingConnectionFactory? ?? ?? ??
        ConnectionFactory.setReconnectOnException(true);
        ConnectionFactory.setSessionCacheSize(10);
        ????? ?????.
    }

    @?
    @ConditionalOnProperty(prefix = "enable", name = "userconnection", hadValue = "true")
    ?? UserCredentialsConnectionFactoryAdapter userCredentialsConnectionFactoryAdapter(ConnectionFactory targetConnectionFactory)? ??? ??????.
        UserCredentialsConnectionFactoryAdapter ??FactoryAdapter = ??? UserCredentialsConnectionFactoryAdapter();
        // UserCredentialsConnectionFactoryAdapter? ?? ?? ??
        ConnectionFactoryAdapter.setTargetConnectionFactory(targetConnectionFactory);
        ConnectionFactoryAdapter.setUsername("??? ??");
        ConnectionFactoryAdapter.setPassword("????");
        ??FactoryAdapter? ?????.
    }

    @?
    ?? ConnectionFactory ???JMSService(){
        //?? ????? ConnectionFactory ???? ?????
        ??? com.sun.messaging.jms.ConnectionFactory()? ?????.
    }
}

? ???? @ConditionalOnProperty ??? ???? CachingConnectionFactory ? UserCredentialsConnectionFactoryAdapter ??? ?????.

• CachingConnectionFactory? ?? prefix? ????, name? userconnection??, hadValue? false?, matchIfMissing? true? ??????. ?, CachingConnectionFactory? Enable.userconnection ?? false??? ??? ???? ?? ???? ?????.
• UserCredentialsConnectionFactoryAdapter? ?? ???? ???? ???? ??? userconnection?? ???? hasValue? true? ?????. ?? UserCredentialsConnectionFactoryAdapter? ???.userconnection ?? true? ???? ???? ?????.

??? ?

• @ConditionalOnProperty ??? ? ??? ???? ???? ??? ? ??? ??? ??? ???? ???? ??? ? ????.
• ?? ??? ?? ??? ??? ?? value ? haveValue ??? ?? ??? ????? ???.
• ?? ??? ???? ?? matchIfMissing? false? ?? ?? Bean? ???? ????.
• application.properties ?? application.yml ??? ?? Spring Boot? ?? ???? ?? ??? ??? ? ??? ?????.

??

@ConditionalOnProperty ??? ?? ??? ?? ???? Bean? ???? ??? ? ?? Spring Boot?? ???? ??? ?????. @ConditionalOnProperty ??? ???? ???? ?? ???? ?? ??? Spring Boot ??????? ??? ? ????. ?? ??? ???.userconnection ??? ???? ??? matchIfMissing? true? ???? ?? ??? CachingConnectionFactory ?? ?????. ???.userconnection ??? ???? ?? true? ?? UserCredentialsConnectionFactoryAdapter ?? ?????. ? ??? ???? ?? false? ?? CachingConnectionFactory ?? ?????.

? ??? ?? ??? ???? Spring Boot Bean? ???? ?????.? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!