using anonymous object as a closure

anonymous_object_as_closure.java

public class UCDObjectToInformationRequirementConverter {
    public MyObject ConvertFrom(KeyValueObject kvObject){
        final MyObject result = new MyObject();
        Set<KeyValueNode<?,?>> nodes = kvObject.getNodes();
        for(UCDNode node : nodes){
            getFieldValue(node,"_id", new FieldValueSetter() {@Override public void setField(String value) {result.setId(value);}});
        }
        return result;
    }

   
    private void getFieldValue(KeyValueNode<?,?>node,String fieldName, FieldValueSetter setter) {
        String fieldNameInKV = util.getFieldName(node);
        if(fieldNameInKV == fieldName){
            String value = new String(util.getNodeSubjectValue(node));
            setter.setField(value);
            
        }
    }
    private interface FieldValueSetter{
        public abstract void setField(String value);
    }