FakeDataAccess.java :  » UnTagged » otsopack » otsopack » full » java » Android Open Source

/*
 * Copyright (C) 2008-2011 University of Deusto
 * 
 * All rights reserved.
 *
 * This software is licensed as described in the file COPYING, which
 * you should have received as part of this distribution.
 * 
 * This software consists of contributions made by many individuals, 
 * listed below:
 *
 * Author: Aitor Gmez-Goiri <aitor.gomez@deusto.es>
 *
 */
package otsopack.full.java;

import java.util.HashSet;
import java.util.Set;
import java.util.concurrent.atomic.AtomicInteger;

import otsopack.commons.data.Graph;
import otsopack.commons.data.ITemplate;
import otsopack.commons.data.SemanticFormat;
import otsopack.commons.data.Template;
import otsopack.commons.dataaccess.IDataAccess;
import otsopack.commons.exceptions.SpaceAlreadyExistsException;
import otsopack.commons.exceptions.SpaceNotExistsException;
import otsopack.commons.exceptions.TSException;

public class FakeDataAccess implements IDataAccess {
  final AtomicInteger graphnum;
  final Set<String> graphsStored;
  private Graph nextQuery;
  private Graph nextRead;
  private Graph nextTake;
  
  public FakeDataAccess() {
    this.graphnum = new AtomicInteger(0);
    this.graphsStored = new HashSet<String>();
  }
  
  @Override
  public void startup() throws TSException {
    // TODO Auto-generated method stub

  }

  @Override
  public void shutdown() throws TSException {
    // TODO Auto-generated method stub

  }

  @Override
  public void createSpace(String spaceURI) throws SpaceAlreadyExistsException {
    // TODO Auto-generated method stub

  }

  @Override
  public void joinSpace(String spaceURI) throws SpaceNotExistsException {
    // TODO Auto-generated method stub

  }

  @Override
  public void leaveSpace(String spaceURI) throws SpaceNotExistsException {
    // TODO Auto-generated method stub

  }
  
  @Override
  public String[] getLocalGraphs(String spaceURI)
      throws SpaceNotExistsException {
    final String [] ret = new String[this.graphsStored.size()];
    return this.graphsStored.toArray(ret);
  }

  @Override
  public String write(String spaceURI, Graph triples) throws SpaceNotExistsException {
    if( spaceURI==null ) throw new SpaceNotExistsException();
    if( triples!=null ) {
      String graphURI = spaceURI;
      if( !spaceURI.endsWith("/") ) graphURI += "/";
      if( !spaceURI.startsWith("http://") ) graphURI += "http://";
      graphURI += "graph"+this.graphnum.incrementAndGet();
      this.graphsStored.add(graphURI);
      return graphURI;
    }
    return null;
  }

  public void setNextQuery(Graph graph){
    this.nextQuery = graph;
  }
  
  public void setNextRead(Graph graph){
    this.nextRead = graph;
  }
  
  public void setNextTake(Graph graph){
    this.nextTake = graph;
  }
  
  @Override
  public Graph query(String spaceURI, ITemplate template, SemanticFormat outputFormat)
      throws SpaceNotExistsException {
    return this.nextQuery;
  }

  @Override
  public Graph query(String spaceURI, Template template, SemanticFormat outputFormat)
      throws SpaceNotExistsException {
    return this.nextQuery;
  }

  @Override
  public Graph read(String spaceURI, ITemplate template, SemanticFormat outputFormat)
      throws SpaceNotExistsException {
    return this.nextRead;
  }

  @Override
  public Graph read(String spaceURI, Template template, SemanticFormat outputFormat)
      throws SpaceNotExistsException {
    return this.nextRead;
  }

  @Override
  public Graph read(String spaceURI, String graphURI, SemanticFormat outputFormat)
      throws SpaceNotExistsException {
    return this.nextRead;
  }

  @Override
  public Graph take(String spaceURI, ITemplate template, SemanticFormat outputFormat)
      throws SpaceNotExistsException {
    return this.nextTake;
  }

  @Override
  public Graph take(String spaceURI, Template template, SemanticFormat outputFormat)
      throws SpaceNotExistsException {
    return this.nextTake;
  }

  @Override
  public Graph take(String spaceURI, String graphURI, SemanticFormat outputFormat)
      throws SpaceNotExistsException {
    return this.nextTake;
  }
}