mementotest.java

OLAP 的客户端代码

    TestConnection.initModel(model);

    DrillExpandPositionExt mdep =
      (DrillExpandPositionExt) model.getExtension(DrillExpandPosition.ID);

    // first step
    result = model.getResult();
    if (renderFile != null)
       ResultBase.renderHtml(result, model.getCurrentMdx(), renderFile + renderNum++ +".html");
    positions = result.getAxes()[1].getPositions();
    // expand All Gender
    Position pos = (Position) positions.get(0);
    assertTrue(mdep.canExpand(pos, pos.getMembers()[0]));
    mdep.expand(pos, pos.getMembers()[0]); // expand All Gender

    result = model.getResult();
    if (renderFile != null)
       ResultBase.renderHtml(result, model.getCurrentMdx(), renderFile + renderNum++ +".html");
    positions = result.getAxes()[1].getPositions();
    assertPosition(
      result,
      1,
      new String[] { "F", "All Marital Status", "All Customers", "All Products" });

    // expand (F,,All Customers,)
    pos = (Position) positions.get(1);
    assertTrue(mdep.canExpand(pos, pos.getMembers()[2]));
    mdep.expand(pos, pos.getMembers()[2]); // expand All Customers

    result = model.getResult();
    if (renderFile != null)
       ResultBase.renderHtml(result, model.getCurrentMdx(), renderFile + renderNum++ +".html");
    positions = result.getAxes()[1].getPositions();
    assertPosition(result, 4, new String[] { "F", "All Marital Status", "USA", "All Products" });

    // expand All Products
    pos = (Position) positions.get(4);
    assertTrue(mdep.canExpand(pos, pos.getMembers()[3]));
    mdep.expand(pos, pos.getMembers()[3]); // expand All Products

    result = model.getResult();
    if (renderFile != null)
       ResultBase.renderHtml(result, model.getCurrentMdx(), renderFile + renderNum++ +".html");
    positions = result.getAxes()[1].getPositions();
    assertPosition(result, 5, new String[] { "F", "All Marital Status", "USA", "Drink" });

    // expand USA
    pos = (Position) positions.get(5);
    assertTrue(mdep.canExpand(pos, pos.getMembers()[2]));
    mdep.expand(pos, pos.getMembers()[2]); // expand USA

    result = model.getResult();
    if (renderFile != null)
       ResultBase.renderHtml(result, model.getCurrentMdx(), renderFile + renderNum++ +".html");
    positions = result.getAxes()[1].getPositions();

    assertPosition(result, 9, new String[] { "F", "All Marital Status", "CA", "Drink" });
    assertPosition(result, 14, new String[] { "F", "All Marital Status", "OR", "Food" });

    // expand All Marital status under F
    pos = (Position) positions.get(1);
    assertTrue(mdep.canExpand(pos, pos.getMembers()[1]));
    mdep.expand(pos, pos.getMembers()[1]); // expand All Marital Status

    result = model.getResult();
    if (renderFile != null)
       ResultBase.renderHtml(result, model.getCurrentMdx(), renderFile + renderNum++ +".html");
    positions = result.getAxes()[1].getPositions();

    assertPosition(result, positions.size() - 2, new String[] { "F", "S", "WA", "Non-Consumable" });
    assertPosition(result, positions.size() - 5, new String[] { "F", "S", "WA", "All Products" });

    return (MondrianMemento) model.getBookmarkState(levelOfDetail);

  }


  public void setMementoExpand(String xml) throws Exception {

    Result result;
    List positions;

    String renderFile = null; // "d:\\x\\setMementoExpand";
    int renderNum = 0;

    MondrianModel model = MondrianModelFactory.instance();
    //TestConnection.initModel(model);

    DrillExpandPositionExt mdep =
      (DrillExpandPositionExt) model.getExtension(DrillExpandPosition.ID);

    // restore memento
    XMLDecoder d = new XMLDecoder(new ByteArrayInputStream(xml.getBytes()));
    Object mo = d.readObject();
    d.close();
    model.setBookmarkState(mo);

    result = model.getResult();
    if (renderFile != null)
       ResultBase.renderHtml(result, model.getCurrentMdx(), renderFile + renderNum++ +".html");
    positions = result.getAxes()[1].getPositions();

    // Collapse all Products      
    Position pos = (Position) positions.get(positions.size() - 5);
    assertTrue(mdep.canCollapse(pos, pos.getMembers()[3]));
    mdep.collapse(pos, pos.getMembers()[3]); // All Products

    result = model.getResult();
    if (renderFile != null)
       ResultBase.renderHtml(result, model.getCurrentMdx(), renderFile + renderNum++ +".html");
    positions = result.getAxes()[1].getPositions();

    assertPosition(result, positions.size() - 2, new String[] { "F", "S", "WA", "All Products" });

    // collapse All Marital Status
    pos = (Position) positions.get(1);
    assertTrue(mdep.canCollapse(pos, pos.getMembers()[1]));
    mdep.collapse(pos, pos.getMembers()[1]); // All Marital Status

    result = model.getResult();
    if (renderFile != null)
       ResultBase.renderHtml(result, model.getCurrentMdx(), renderFile + renderNum++ +".html");
    positions = result.getAxes()[1].getPositions();

    assertPosition(result, 8, new String[] { "F", "All Marital Status", "CA", "All Products" });

    // collapse All Gender
    pos = (Position) positions.get(0);
    assertTrue(mdep.canCollapse(pos, pos.getMembers()[0]));
    mdep.collapse(pos, pos.getMembers()[0]); // All Gender

    result = model.getResult();
    if (renderFile != null)
       ResultBase.renderHtml(result, model.getCurrentMdx(), renderFile + renderNum++ +".html");
    positions = result.getAxes()[1].getPositions();
    assertEquals(positions.size(), 1);
  }

  public MondrianMemento createMementoDrill(int levelOfDetail) throws Exception {

    String renderFile = null; // "d:\\x\\createMementoDrill";
    int renderNum = 0;

    /*
    select {[Measures].[Unit Sales], [Measures].[Store Cost], [Measures].[Store Sales]} on columns,
    CrossJoin(  [Store].[USA].children, [Product].[All Products].[Drink].children) on rows
    from Sales  where ([Time].[1997])
    */
    String mdxQuery =
      "select {[Measures].[Unit Sales], [Measures].[Store Cost], [Measures].[Store Sales]} on columns, "
        + "CrossJoin(  [Store].[USA].children, [Product].[All Products].[Drink].children) on rows "
        + "from Sales  where ([Time].[1997])";

    Result result;

    MondrianModel model = MondrianModelFactory.instance();
    model.setMdxQuery(mdxQuery);
    TestConnection.initModel(model);

    // first step
    result = model.getResult();
    if (renderFile != null)
       ResultBase.renderHtml(result, model.getCurrentMdx(), renderFile + renderNum++ +".html");

    assertPosition(result, 1, new String[] { "CA", "Beverages" });
    assertPosition(result, 6, new String[] { "WA", "Alcoholic Beverages" });

    DrillReplaceExt mdrep = (DrillReplaceExt) model.getExtension(DrillReplace.ID);

    // Drill down CA
    Axis[] axes = result.getAxes();
    List positions = axes[1].getPositions();
    Position pos1 = (Position) positions.get(1); // (CA,Beverages)

    assertTrue(mdrep.canDrillDown(pos1.getMembers()[0]));
    mdrep.drillDown(pos1.getMembers()[0]); // drilldown CA

    result = model.getResult();
    if (renderFile != null)
       ResultBase.renderHtml(result, model.getCurrentMdx(), renderFile + renderNum++ +".html");
    assertPosition(result, 6, new String[] { "Los Angeles", "Alcoholic Beverages" });
    assertPosition(result, 10, new String[] { "San Diego", "Beverages" });
    assertPosition(result, 14, new String[] { "San Francisco", "Dairy" });

    // drill up the Store hierarchy
    axes = result.getAxes();
    positions = axes[1].getPositions();
    Position pos0 = (Position) positions.get(0); // no matter what it is
    Hierarchy hier = pos0.getMembers()[0].getLevel().getHierarchy();

    assertTrue(mdrep.canDrillUp(hier));
    mdrep.drillUp(hier); // drill up "Store"

    result = model.getResult();
    if (renderFile != null)
       ResultBase.renderHtml(result, model.getCurrentMdx(), renderFile + renderNum++ +".html");

    assertPosition(result, 2, new String[] { "CA", "Dairy" });
    assertPosition(result, 7, new String[] { "WA", "Beverages" });

    // another drill up of the Store hierarchy
    axes = result.getAxes();
    positions = axes[1].getPositions();
    pos0 = (Position) positions.get(0); // no matter what it is
    hier = pos0.getMembers()[0].getLevel().getHierarchy();

    assertTrue(mdrep.canDrillUp(hier));
    mdrep.drillUp(hier); // drill up "Store"

    result = model.getResult();
    if (renderFile != null)
       ResultBase.renderHtml(result, model.getCurrentMdx(), renderFile + renderNum++ +".html");

    assertPosition(result, 7, new String[] { "USA", "Beverages" });

    // create Memento and write it to xml string
    return (MondrianMemento) model.getBookmarkState(levelOfDetail);
  }

  public void setMementoDrill(String xml) throws Exception {

    String renderFile = null; // "d:\\x\\setMementoDrill";
    int renderNum = 0;
    //String renderFile = null;

    Result result;

    MondrianModel model = MondrianModelFactory.instance();
    DrillReplaceExt mdrep = (DrillReplaceExt) model.getExtension(DrillReplace.ID);

    // restore memento
    XMLDecoder d = new XMLDecoder(new ByteArrayInputStream(xml.getBytes()));
    Object mo = d.readObject();
    d.close();
    model.setBookmarkState(mo);

    result = model.getResult();
    if (renderFile != null)
       ResultBase.renderHtml(result, model.getCurrentMdx(), renderFile + renderNum++ +".html");

    // last drill up of the Store hierarchy reaching "All Stores"
    Axis[] axes = result.getAxes();
    List positions = axes[1].getPositions();
    Position pos0 = (Position) positions.get(0); // no matter what it is
    Hierarchy hier = pos0.getMembers()[0].getLevel().getHierarchy();

    assertTrue(mdrep.canDrillUp(hier));
    mdrep.drillUp(hier); // drill up "Store"

    result = model.getResult();
    if (renderFile != null)
       ResultBase.renderHtml(result, model.getCurrentMdx(), renderFile + renderNum++ +".html");

    assertPosition(result, 2, new String[] { "All Stores", "Dairy" });

    // now drill up is not possible any more
    assertTrue(!mdrep.canDrillUp(hier));

  }

  /**
   * assert position
   */
  private void assertPosition(Result result, int iPos, String[] posMembers) {
    Position pos = (Position) result.getAxes()[1].getPositions().get(iPos);
    for (int i = 0; i < posMembers.length; i++) {
      String str = pos.getMembers()[i].getLabel();
      assertEquals(str, posMembers[i]);
    }
  }

  private String serializeMemento(MondrianMemento memento) {
    ByteArrayOutputStream outs = new ByteArrayOutputStream();
    XMLEncoder e = new XMLEncoder(outs);
    e.writeObject(memento);
    e.close();
    return outs.toString();
  }

} // End MementoExpandTest