https://github.com/mongodb/morphia.git: Java Object Document Mapper for MongoDB
  • Various (MongoDB) 
package org.mongodb.morphia.annotations;


import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;



When placed on an entity field, the field will not be written to mongodb. It will, however, be loaded normally. This is particularly useful in concert with @PostLoad and @PrePersist to transform your data.


/**
 * <p>When placed on an entity field, the field will not be written to mongodb. It will, however, be loaded normally.  This is particularly
 * useful in concert with {@code @PostLoad} and {@code @PrePersist} to transform your data.</p>
 */

@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.FIELD, ElementType.PARAMETER, ElementType.TYPE})
public @interface NotSaved {

}