Пример #1
0
  private static void createDocuments() throws IOException {

    Set<Document> documents = Sets.newHashSet();

    // Create a new document (simple format)
    Document document =
        new HDocument()
            .set("_id", "jdoe")
            .set("first_name", "John")
            .set("last_name", "Doe")
            .set("dob", ODate.parse("1970-06-23"));

    // save document into the table
    mainColl.insertOrReplace(document);
    documents.add(document);
    printDocument("jdoe");

    // create a new document without _id
    document =
        new HDocument()
            .set("first_name", "David")
            .set("last_name", "Simon")
            .set("dob", ODate.parse("1980-10-13"));
    document.setId(new HValue("dsimon"));

    mainColl.insert(new HValue("dsimon"), document);
    documents.add(((HDocument) document).shallowCopy().setId(new HValue("dsimon")));
    printDocument("dsimon");

    // create a new document from a simple bean
    // look at the User class to see how you can use JSON Annotation to drive the format of the
    // document
    User user = new User();
    user.setId("alehmann");
    user.setFirstName("Andrew");
    user.setLastName("Lehmann");
    user.setDob(ODate.parse("1980-10-13"));
    user.addInterest("html");
    user.addInterest("css");
    user.addInterest("js");
    document = Json.newDocument(user);

    // save document into the table
    mainColl.insertOrReplace(document);
    documents.add(HValue.initFromDocument(document));
    printDocument("alehmann");

    // try to insert the same document ID
    try {
      mainColl.insert(new HValue("dsimon"), document);
    } catch (DocumentExistsException dee) {
      System.out.println("Exception during insert : " + dee.getMessage());
    }

    // Create more complex Record
    document =
        new HDocument()
            .set("_id", "mdupont")
            .set("first_name", "Maxime")
            .set("last_name", "Dupont")
            .set("dob", ODate.parse("1982-02-03"))
            .set("interests", Arrays.asList("sports", "movies", "electronics"))
            .set("address.line", "1223 Broadway")
            .set("address.city", "San Jose")
            .set("address.zip", 95109);
    mainColl.insert(document);
    documents.add(document);
    printDocument("mdupont");

    // Another way to create sub document
    // Create the sub document as document and use it to set the value
    Document addressRecord =
        new HDocument()
            .set("line", "100 Main Street")
            .set("city", "San Francisco")
            .set("zip", 94105);

    document =
        new HDocument()
            .set("_id", "rsmith")
            .set("first_name", "Robert")
            .set("last_name", "Smith")
            .set("dob", ODate.parse("1982-02-03"))
            .set("interests", Arrays.asList("electronics", "music", "sports"))
            .set("address", addressRecord);
    mainColl.insert(document);
    documents.add(document);
    printDocument("rsmith");

    mainColl.flush(); // flush to the server
  }
Пример #2
0
  @Test
  public void queryDocuments() throws Exception {

    // get a single document
    Document record = mainColl.findById(new HValue("mdupont"));
    assertEquals("mdupont", record.getIdString());
    assertEquals("Maxime", record.getString("first_name"));
    assertEquals("Dupont", record.getString("last_name"));

    // get a single document with project
    record = mainColl.findById(new HValue("mdupont"), "last_name");
    assertEquals("mdupont", record.getIdString());
    assertEquals(null, record.getString("first_name"));
    assertEquals("Dupont", record.getString("last_name"));

    // get single document and map it to the bean
    User user = mainColl.findById(new HValue("alehmann")).toJavaBean(User.class);
    assertEquals("alehmann", user.getId());
    assertEquals("Andrew", user.getFirstName());
    assertEquals("Lehmann", user.getLastName());

    // all records in the table
    DocumentStream rs = mainColl.find();
    Iterator<? extends Document> itrs = rs.iterator();
    Document readRecord;
    Set<Document> readRecords = Sets.newHashSet();
    while (itrs.hasNext()) {
      readRecord = itrs.next();
      readRecords.add(readRecord);
      // System.out.println("\t" + readRecord);
    }
    assertEquals(5, readRecords.size());
    rs.close();

    // all records in the table with projection
    int cnt = 0;
    try (DocumentStream documentStream = mainColl.find("first_name", "last_name")) {
      for (Document doc : documentStream) {
        cnt++;
        assertEquals(3, doc.size());
        // System.out.println("\t" + doc);
      }
    }
    assertEquals(5, cnt);

    // all records and use a POJO
    // it is interesting to see how you can ignore unknown attributes with the JSON Annotations
    cnt = 0;
    try (DocumentStream documentStream = mainColl.find()) {
      for (Document doc : documentStream) {
        cnt++;
        User u = doc.toJavaBean(User.class);
        assertTrue(
            ImmutableList.<String>of("Doe", "Simon", "Smith", "Dupont", "Lehmann")
                .contains(u.getLastName()));
        // System.out.println("\t" + doc.toJavaBean(User.class));
      }
    }
    assertEquals(5, cnt);

    // find with condition
    // Condition equals a string
    QueryCondition condition =
        new HQueryCondition().is("last_name", QueryCondition.Op.EQUAL, "Doe").build();
    // System.out.println("\n\nCondition: " + condition);
    cnt = 0;
    try (DocumentStream documentStream = mainColl.find(condition)) {
      ((HDocumentStream) documentStream).explain();
      for (Document doc : documentStream) {
        cnt++;
        assertEquals("Doe", doc.getString("last_name"));
        // System.out.println("\t" + doc);
      }
    }
    assertEquals(1, cnt);

    // find with condition and projection
    // Condition equals a string
    condition = new HQueryCondition().is("last_name", QueryCondition.Op.EQUAL, "Doe").build();
    // System.out.println("\n\nCondition: " + condition);
    cnt = 0;
    try (DocumentStream documentStream = mainColl.find(condition, "last_name")) {
      for (Document doc : documentStream) {
        cnt++;
        assertEquals("Doe", doc.getString("last_name"));
        // System.out.println("\t" + doc);
      }
    }
    assertEquals(1, cnt);

    // Condition as date range
    condition =
        new HQueryCondition()
            .and()
            .is("dob", QueryCondition.Op.GREATER_OR_EQUAL, ODate.parse("1980-01-01"))
            .is("dob", QueryCondition.Op.LESS, ODate.parse("1981-01-01"))
            .close()
            .build();
    // System.out.println("\n\nCondition: " + condition);
    cnt = 0;
    try (DocumentStream documentStream = mainColl.find(condition)) {
      for (Document doc : documentStream) {
        cnt++;
        assertTrue(doc.getDate("dob").compareTo(ODate.parse("1980-01-01")) > 0);
        assertTrue(doc.getDate("dob").compareTo(ODate.parse("1981-01-01")) < 0);
        // System.out.println("\t" + doc);
      }
    }
    assertEquals(2, cnt);

    // Condition in sub document
    condition = new HQueryCondition().is("address.zip", QueryCondition.Op.EQUAL, 95109).build();
    // System.out.println("\n\nCondition: " + condition);
    cnt = 0;
    try (DocumentStream documentStream = mainColl.find(condition)) {
      for (Document doc : documentStream) {
        cnt++;
        assertEquals(95109, doc.getInt("address.zip"));
        // System.out.println("\t" + doc);
      }
    }
    assertEquals(1, cnt);

    // Contains a specific value in an array
    condition = new HQueryCondition().is("interests[]", QueryCondition.Op.EQUAL, "sports").build();
    // System.out.println("\n\nCondition: " + condition);
    cnt = 0;
    try (DocumentStream documentStream = mainColl.find(condition)) {
      for (Document doc : documentStream) {
        cnt++;
        assertTrue(doc.getList("interests").contains("sports"));
        // System.out.println("\t" + doc);
      }
    }
    assertEquals(2, cnt);

    // Contains a value at a specific index
    condition = new HQueryCondition().is("interests[0]", QueryCondition.Op.EQUAL, "sports").build();
    // System.out.println("\n\nCondition: " + condition);
    cnt = 0;
    try (DocumentStream documentStream =
        mainColl.find(condition, "first_name", "last_name", "interests")) {
      for (Document doc : documentStream) {
        cnt++;
        assertEquals("sports", doc.getString("interests[0]"));
        // System.out.println("\t" + doc);
      }
    }
    assertEquals(1, cnt);
  }