package mis.shared.annotation;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
 * @description 限制bean在指定application下加載
 * webAppApplication
 * webSmartApplication
 * @date 2023/08/04
 */
@Target({ElementType.TYPE, ElementType.METHOD})
@Retention(RetentionPolicy.RUNTIME)
public @interface LimitBeanLoad {
    String value() default "webSmartApplication";
}

package mis.shared.annotation;
import com.bestvike.linq.Linq;
import lombok.extern.slf4j.Slf4j;
import org.springframework.context.annotation.Condition;
import org.springframework.context.annotation.ConditionContext;
import org.springframework.core.annotation.MergedAnnotation;
import org.springframework.core.type.AnnotatedTypeMetadata;
/**
 * @description spring加載bean條件類
 * @date 2023/08/04
 */
@Slf4j
public class SpringLoadBeanCondition implements Condition {
    @Override
    public boolean matches(ConditionContext context, AnnotatedTypeMetadata metadata) {
        try {
            //獲取注解中指定的應用名稱
            MergedAnnotation<LimitBeanLoad> limitAnnotation = metadata.getAnnotations().get(LimitBeanLoad.class);
            String annotationAppName = (String) limitAnnotation.getValue("value").orElse(null);
            //判斷當前應用是否符合指定
            String[] beanDefinitionNames = context.getRegistry().getBeanDefinitionNames();
            long limitAppCount = Linq.of(beanDefinitionNames).where(p -> p.equals(annotationAppName)).stream().count();
            return limitAppCount > 0;
        } catch (Exception e) {
        }
        return true;
    }
}