Examples of com.gnizr.db.dao.TagAssertion

com.gnizr.db.dao.TagAssertion

This class provides the representation for a tag assertion. Tag assertion is a statement made by a user to describe a tagging relation between two UserTag. For example, the user can made assertions to state that a given tag related to, narrower than, broader than, or is type of another tag.

Relationships are defined by TagProperty. Gnizr comes with a set of predefined TagProperty, which is defined by the gnizr database schema. Developers can create new property by introduce new tag property records in the database schema.

The ID of the TagProperty uniquely identifies a TagProperty. The ID is usually assigned by the database system when a TagProperty is created for the first time.
@author Harry Chen @since 2.3

  public void testAddTagAssertionForceTagCreate() throws Exception{
    User user = new User("hchen1");
    UserTag subjTag = new UserTag("hchen1","java");
    TagProperty prpt = new TagProperty(1);
    UserTag objTag = new UserTag("hchen1","java.logging");
    TagAssertion asrt = new TagAssertion(subjTag,prpt,objTag,user);
    
    boolean ok = manager.addTagAssertion(asrt,true);
    assertTrue(ok);
    ok = manager.deleteTagAssertion(asrt);
    assertTrue(ok);

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    UserTag ut2 = manager.getUserTag(ut.getId());
    assertEquals(ut,ut2);
  }
  
  public void testGetTagAssertion() throws Exception{
    TagAssertion a = manager.getTagAssertion(2);
    assertNotNull(a);
    assertEquals(2,a.getSubject().getId());
    assertEquals(1,a.getProperty().getId());
    assertEquals(1,a.getObject().getId());
  }

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      UserTag objTag = assertion.getObject();
      fillId(userDao, user);
      fillId(tagDao, userDao, subjTag);
      fillId(tagPrptDao, prpt);
      fillId(tagDao, userDao, objTag);
      TagAssertion obj = getTagAssertion(tagAssertionDao, user, subjTag,
          prpt, objTag);
      if (obj == null) {
        throw new NoSuchTagAssertionException(
            "no such tagAssertion: user=" + user + ",subjTag="
                + subjTag + ",prpt=" + prpt + ",objTag="
                + objTag);
      }
      assertion.setId(obj.getId());
    }
  }

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      throw new MissingIdException("objectTag is missing a valid id");
    }
    if (hasMissingId(tagPrpt) == true) {
      throw new MissingIdException("tagProperty is missing a valid id");
    }
    TagAssertion asrt = null;
    List<TagAssertion> asrts = tagAssertionDao.findTagAssertion(user,
        subjTag, tagPrpt, objTag);
    if (asrts.isEmpty() == false) {
      asrt = asrts.get(0);
    }

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      NoSuchTagPropertyException, NoSuchTagAssertionException,
      MissingIdException {
    if (hasMissingId(assertion) == true) {
      fillId(tagAssertionDao, tagPrptDao, tagDao, userDao, assertion);
    }
    TagAssertion ta = tagAssertionDao.getTagAssertion(assertion.getId());
    UserTag s = ta.getSubject();
    TagProperty p = ta.getProperty();
    UserTag o = ta.getObject();
    User u = ta.getUser();
    fillObject(tagDao, userDao, s);
    fillObject(tagDao, userDao, o);
    fillObject(tagPrptDao, p);
    fillObject(userDao, u);
    assertion.setUser(u);

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   */
  private static final long serialVersionUID = 1L;
  
  public static TagAssertion createTagAssertionObject(ResultSet rs) throws SQLException {
    if(rs == null) return null;
    TagAssertion assertion = new TagAssertion();
    assertion.setId(rs.getInt(TagAssertionSchema.ID));      
    UserTag subjectUserTag = TagDBDao.createNamedUserTagObject("s_user_tag", "s_tag", "s_user", rs);
    UserTag objectUserTag = TagDBDao.createNamedUserTagObject("o_user_tag", "o_tag", "o_user", rs);
    TagProperty prpt = TagPropertyDBDao.createTagPropertyObject(rs);
    User user = UserDBDao.createUserObject("tag_assertion_user", rs);    
    assertion.setSubject(subjectUserTag);
    assertion.setProperty(prpt);
    assertion.setObject(objectUserTag);
    assertion.setUser(user);    
    return assertion;
  }

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      conn = dataSource.getConnection();
      stmt = conn.prepareStatement("call findTagAssertionUserId(?)");
      stmt.setLong(1,user.getId());
      ResultSet rs = stmt.executeQuery();
      while(rs.next()){
        TagAssertion asrt = createTagAssertionObject(rs);
        assertions.add(asrt);
        logger.debug("found: " + asrt);
      }
      if(assertions.size() == 0){
        logger.debug("found no matching tag assertion");

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      stmt.setLong(1,user.getId());      
      stmt.setLong(2,tagPrpt.getId());
      stmt.setLong(3,objectTag.getId());
      ResultSet rs = stmt.executeQuery();
      while(rs.next()){
        TagAssertion asrt = createTagAssertionObject(rs);
        assertions.add(asrt);
        logger.debug("found: " + asrt);
      }
      if(assertions.size() == 0){
        logger.debug("found no matching tag assertion");

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      stmt.setLong(1,user.getId());
      stmt.setLong(2,subjectTag.getId());
      stmt.setLong(3,tagPrpt.getId());
      ResultSet rs = stmt.executeQuery();
      while(rs.next()){
        TagAssertion asrt = createTagAssertionObject(rs);
        assertions.add(asrt);
        logger.debug("found: " + asrt);
      }
      if(assertions.size() == 0){
        logger.debug("found no matching tag assertion");

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      stmt.setLong(2,subjectTag.getId());
      stmt.setLong(3,tagPrpt.getId());
      stmt.setLong(4,objectTag.getId());
      ResultSet rs = stmt.executeQuery();
      while(rs.next()){
        TagAssertion asrt = createTagAssertionObject(rs);
        assertions.add(asrt);
        logger.debug("found: " + asrt);
      }
      if(assertions.size() == 0){
        logger.debug("found no matching tag assertion");

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Related Classes of com.gnizr.db.dao.TagAssertion

com.gnizr.core.managers.TestTagManager

com.gnizr.core.tag.TagManager

com.gnizr.core.tag.TagPager

com.gnizr.core.util.GnizrDaoUtil

com.gnizr.core.util.TestGnizrDaoUtil

com.gnizr.db.dao.tag.TagAssertionDBDao

com.gnizr.db.dao.tag.TestTagAssertionDBDao

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