public static class IsA implements Test {private Class<?> parent;/** Constructs an IsA test using the supplied Class as the parent class/interface. */public IsA(Class<?> parentType) {this.parent = parentType;}/** Returns true if type is assignable to the parent type supplied in the constructor. */@Overridepublic boolean matches(Class<?> type) {return type != null && parent.isAssignableFrom(type);}@Overridepublic String toString() {return "is assignable to " + parent.getSimpleName();}
}

public static class AnnotatedWith implements Test {private Class<? extends Annotation> annotation;/** Constructs an AnnotatedWith test for the specified annotation type. */public AnnotatedWith(Class<? extends Annotation> annotation) {this.annotation = annotation;}/** Returns true if the type is annotated with the class provided to the constructor. */@Overridepublic boolean matches(Class<?> type) {return type != null && type.isAnnotationPresent(annotation);}@Overridepublic String toString() {return "annotated with @" + annotation.getSimpleName();}
}

String packageName = "com/wjz/mybatis/type/scan";
ResolverUtil<Class<?>> resolverUtil = new ResolverUtil<Class<?>>();
resolverUtil.find(new ResolverUtil.IsA(CommonService.class), packageName);
Set<Class<? extends Class<?>>> handlerSet = resolverUtil.getClasses();

package com.wjz.mybatis.type.scan;import org.apache.ibatis.io.ResolverUtil.Test;public class Testtest implements Test {@Overridepublic boolean matches(Class<?> type) {if (type == Testtest.class) {return true;}return false;}}