package com.trendmicro.grid.acl.ds.jpa;
   
   import com.trendmicro.grid.acl.ds.FileProvider;
   import com.trendmicro.grid.acl.ds.jpa.entities.JpaFileDetails;
   import com.trendmicro.grid.acl.l0.datatypes.FileIdentifier;
   import org.springframework.stereotype.Service;
   
   import javax.annotation.Resource;
   import java.util.Collections;
  
  /**
   * TODO: Create Description.
   *
   * @author juergen_kellerer, 2010-06-01
   * @version 1.0
   */
  @Service
  public class JpaFileDetailsFetcher extends AbstractFetcher<FileIdentifier, JpaFileDetails, FileProvider> {
  
  	@Resource
  	JpaFileRepository fallbackRepository;
  
  	public JpaFileDetailsFetcher() {
  		super(FileProvider.class);
  	}
  
  	protected JpaFileRepository getFallbackRepository() {
  		return fallbackRepository;
  	}
  
  	protected Object fetch(FileProvider repository, FileIdentifier key) {
  		return repository.getFileDetailsList(Collections.singleton(key)).iterator().next();
  	}
  }