Examples of com.mongodb.BasicDBObject.containsField()

com.mongodb.BasicDBObject.containsField()


    if (explain && !result.containsField(EXPLAIN)) {
      result.put(EXPLAIN, explain);
    }


    if (cursor != null && !result.containsField(CURSOR)) {
      result.put("cursor", cursor);
    }


    return result;
  }

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    person.firstname = "Oliver";


    DBObject result = new BasicDBObject();
    converter.write(person, result);


    assertThat(result.containsField("foo"), is(true));
    assertThat(result.containsField("firstname"), is(false));
  }


  /**
   * @see DATAMONGO-144

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    DBObject result = new BasicDBObject();
    converter.write(person, result);


    assertThat(result.containsField("foo"), is(true));
    assertThat(result.containsField("firstname"), is(false));
  }


  /**
   * @see DATAMONGO-144
   */

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    Map<String, List<Locale>> map = Collections.singletonMap("Foo", Arrays.asList(Locale.US));
    DBObject result = new BasicDBObject();
    converter.write(map, result);


    assertThat(result.containsField("Foo"), is(true));
    assertThat(result.get("Foo"), is(notNullValue()));
    assertThat(result.get("Foo"), is(instanceOf(BasicDBList.class)));


    BasicDBList list = (BasicDBList) result.get("Foo");

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    DBObject dbObject = new BasicDBObject();
    converter.write(Collections.singletonMap("foo.bar", "foobar"), dbObject);


    assertThat((String) dbObject.get("foo~bar"), is("foobar"));
    assertThat(dbObject.containsField("foo.bar"), is(false));
  }


  /**
   * @see DATAMONGO-380
   */

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  @Test
  public void foo() {
    DBObject dbObject = new BasicDBObject();
    dbObject.put("foo", null);


    Assert.assertThat(dbObject.containsField("foo"), CoreMatchers.is(true));
  }


  public static class Foo {
    @Id public String id;
    public Bar bar;

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  public void savesPlainDbObjectCorrectly() {


    DBObject dbObject = new BasicDBObject("foo", "bar");
    template.save(dbObject, "collection");


    assertThat(dbObject.containsField("_id"), is(true));
  }


  /**
   * @see DATAMONGO-550
   */

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        toSet.put(LockDef.INACTIVE_LOCK_TIMEOUT.field, pLockOptions.getInactiveLockTimeout());


        final BasicDBObject lockDoc
        = (BasicDBObject)getDbCollection(pMongo, pSvcOptions).findAndModify(query, new BasicDBObject(LockDef.ID.field, 1), null, false, new BasicDBObject(SET, toSet), false, false);


        if (lockDoc != null && lockDoc.containsField(LockDef.ID.field)) {


            if (pSvcOptions.getEnableHistory())
            { LockHistoryDao.insert( pMongo, pLockName, pSvcOptions, pLockOptions, serverTime, LockState.LOCKED, lockId, false); }


            return lockId;

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   */
  public static Object fetchDBRef(DB db, Object obj) {
    if (BasicDBObject.class.isInstance(obj)) {
      BasicDBObject dbObject = BasicDBObject.class.cast(obj);
      if (isRef(dbObject)
        && (!dbObject.containsField("$db")
        || dbObject.get("$db").equals(db.getName()))) {
        return new DBRef(db, dbObject).fetch();
      }
    }
    return obj;

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        // Try and modify the existing lock.
        final BasicDBObject lockDoc
        = (BasicDBObject)getDbCollection(pMongo, pSvcOptions).findAndModify(query, new BasicDBObject(LockDef.LOCK_ID.field, 1), null, false, new BasicDBObject(SET, toSet), true, false);


        if (lockDoc == null) return null;
        if (!lockDoc.containsField(LockDef.LOCK_ID.field)) return null;


        final ObjectId returnedLockId = lockDoc.getObjectId(LockDef.LOCK_ID.field);
        if (returnedLockId == null) return null;
        if (!returnedLockId.equals(lockId)) return null;

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