Sime scala getter/setter wrapper for OrientDB

CustomMethodFilter.java

package test;
import com.orientechnologies.orient.object.enhancement.OObjectMethodFilter;

import java.lang.annotation.Annotation;
import java.lang.reflect.Field;
import java.lang.reflect.Method;

public class CustomMethodFilter extends OObjectMethodFilter {

    protected boolean isScalaClass(Class<?> clz) {
        Annotation[] annotations = clz.getDeclaredAnnotations();
        for (Annotation a : annotations) {
            if ("scala.reflect.ScalaSignature".contains(a.annotationType().getName()) || "scala.reflect.ScalaLongSignature".contains(a.getClass().getName())) {
                return true;
            }
        }
        return false;
    }

    protected String getScalaFieldName(Class<?> clz, Method m) {
        String name = m.getName();
        Field[] fields = clz.getDeclaredFields();
        for (Field field : fields) {
            if (name.equals(field.getName() + "_$eq")) {
                return field.getName();
            } else if (name.equals(field.getName())) {
                return field.getName();
            }
        }
        return null;
    }

    @Override
    public boolean isHandled(Method m) {
        String name = m.getName();
        Class<?> clz = m.getDeclaringClass();

        if (!isScalaClass(clz)) {
            return super.isHandled(m);
        } else {
            return getScalaFieldName(clz, m) != null;
        }

    }

    @Override
    public String getFieldName(Method m) {
        String name = super.getFieldName(m);
        Class<?> clz = m.getDeclaringClass();
        if (isScalaClass(clz) && name == null) {
            return getScalaFieldName(clz, m);
        }
        return null;
    }

    @Override
    public boolean isSetterMethod(String fieldName, Method m) throws SecurityException, NoSuchFieldException {
        return super.isSetterMethod(fieldName, m) || fieldName.endsWith("_$eq") == true;    //To change body of overridden methods use File | Settings | File Templates.
    }

    @Override
    public boolean isGetterMethod(String fieldName, Method m) throws SecurityException, NoSuchFieldException {
        Class<?> clz = m.getDeclaringClass();
        return super.isGetterMethod(fieldName, m) || (isScalaClass(clz) && fieldName.equals(m.getName()));
    }

}