package com.atlassian.plugins.rest.sample.expansion.entity;
   
   import com.atlassian.plugins.rest.common.expand.AbstractRecursiveEntityExpander;
   import com.atlassian.plugins.rest.sample.expansion.resource.DataStore;
   
   /**
    * Expands a {com.atlassian.plugins.rest.sample.expansion.entity.SubRecord} by asking the {@link com.atlassian.plugins.rest.sample.expansion.resource.DataStore} to perform the database queries (fake).
    */
   public class SubRecordExpander extends AbstractRecursiveEntityExpander<SubRecord> {
      protected SubRecord expandInternal(SubRecord entity) {
          if (entity != null && entity.getPlayerRecord() != null) {
              return DataStore.getInstance().getSubRecord(entity.getPlayerRecord());
          }
          return entity;
      }
  }