本文整理了Java中org.greenrobot.greendao.query.Query类的一些代码示例，展示了Query类的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Query类的具体详情如下：
包路径：org.greenrobot.greendao.query.Query
类名称：Query

Query介绍

[英]A repeatable query returning entities.
[中]返回实体的可重复查询。

代码示例

代码示例来源：origin: greenrobot/greenDAO

/** Internal query to resolve the "children" to-many relationship of TreeEntity. */
public List<TreeEntity> _queryTreeEntity_Children(Long parentId) {
  synchronized (this) {
    if (treeEntity_ChildrenQuery == null) {
      QueryBuilder<TreeEntity> queryBuilder = queryBuilder();
      queryBuilder.where(Properties.ParentId.eq(null));
      treeEntity_ChildrenQuery = queryBuilder.build();
    }
  }
  Query<TreeEntity> query = treeEntity_ChildrenQuery.forCurrentThread();
  query.setParameter(0, parentId);
  return query.list();
}

代码示例来源：origin: greenrobot/greenDAO

public void testGetForCurrentThread_TwoThreads() throws InterruptedException {
  insert(3);
  createQueryFromOtherThread();
  Query<TestEntity> query = queryFromOtherThread.forCurrentThread();
  assertNotSame(queryFromOtherThread, query);
  query.setLimit(10);
  query.setOffset(0);
  assertEquals(getSimpleInteger(1), (int) query.uniqueOrThrow().getSimpleInteger());
  int expected = getSimpleInteger(2);
  query.setParameter(0, expected);
  assertEquals(expected, (int) query.list().get(0).getSimpleInteger());
  assertEquals(expected, (int) query.listLazy().get(0).getSimpleInteger());
  assertEquals(expected, (int) query.listLazyUncached().get(0).getSimpleInteger());
  assertEquals(expected, (int) query.unique().getSimpleInteger());
  assertEquals(expected, (int) query.uniqueOrThrow().getSimpleInteger());
}

代码示例来源：origin: greenrobot/greenDAO

/**
 * Shorthand for {@link QueryBuilder#build() build()}.{@link Query#__InternalRx()}.
 */
@Experimental
public RxQuery<T> rx() {
  return build().__InternalRx();
}

代码示例来源：origin: greenrobot/greenDAO

@Override
  public T call() throws Exception {
    return query.forCurrentThread().unique();
  }
});

代码示例来源：origin: greenrobot/greenDAO

@Override
  public List<T> call() throws Exception {
    return query.forCurrentThread().list();
  }
});

代码示例来源：origin: greenrobot/greenDAO

/**
 * Shorthand for {@link QueryBuilder#build() build()}.{@link Query#list() list()}; see {@link Query#list()} for
 * details. To execute a query more than once, you should build the query and keep the {@link Query} object for
 * efficiency reasons.
 */
public List<T> list() {
  return build().list();
}

代码示例来源：origin: greenrobot/greenDAO

public void testThrowOutsideOwnerThread() throws InterruptedException {
  createQueryFromOtherThread();
  try {
    queryFromOtherThread.list();
    fail("Did not throw");
  } catch (DaoException expected) {
    queryFromOtherThread.listIterator();
    fail("Did not throw");
  } catch (DaoException expected) {
    queryFromOtherThread.listLazyUncached();
    fail("Did not throw");
  } catch (DaoException expected) {
    queryFromOtherThread.setLimit(2);
    fail("Did not throw");
  } catch (DaoException expected) {
    queryFromOtherThread.setOffset(2);
    fail("Did not throw");
  } catch (DaoException expected) {
    queryFromOtherThread.setParameter(0, 42);
    fail("Did not throw");
  } catch (DaoException expected) {
    queryFromOtherThread.unique();
    fail("Did not throw");
  } catch (DaoException expected) {

代码示例来源：origin: greenrobot/greenDAO

break;
case QueryList:
  operation.result = ((Query) operation.parameter).forCurrentThread().list();
  break;
case QueryUnique:
  operation.result = ((Query) operation.parameter).forCurrentThread().unique();
  break;
case DeleteByKey:

代码示例来源：origin: greenrobot/greenDAO

public void testRawQueryCreate_setParameterInQuery() {
  insert(3);
  String value = getSimpleString(2);
  String sql = "WHERE " + Properties.SimpleString.columnName + "=?";
  Query<TestEntity> query = dao.queryRawCreate(sql, getSimpleString(1));
  query.list();
  query.setParameter(0, value);
  List<TestEntity> result = query.list();
  assertEquals(1, result.size());
  assertEquals(value, result.get(0).getSimpleString());
}

代码示例来源：origin: greenrobot/greenDAO

public void testJoinMixedParameterValues() {
  prepareData();
  QueryBuilder<RelationEntity> queryBuilder = relationEntityDao.queryBuilder();
  queryBuilder.where(RelationEntityDao.Properties.SimpleString.like(""), RelationEntityDao.Properties.SimpleString.ge(""));
  Join<RelationEntity, TestEntity> join = queryBuilder.join(RelationEntityDao.Properties.TestIdNotNull,
      TestEntity.class);
  join.where(Properties.SimpleInt.le(0));
  queryBuilder.offset(0).limit(0);
  Query<RelationEntity> query = queryBuilder.build();
  query.setParameter(0, "entity-%");
  query.setParameter(1, "entity-4");
  query.setParameter(2, 6);
  query.setOffset(1);
  query.setLimit(99);
  List<RelationEntity> entities = query.list();
  assertEquals(2, entities.size());
  assertEquals("entity-5", entities.get(0).getSimpleString());
  assertEquals("entity-6", entities.get(1).getSimpleString());
}

代码示例来源：origin: greenrobot/greenDAO

public void testJoinOfJoin() {
  prepareData();
  List<RelationEntity> relationEntities = relationEntityDao.loadAll();
  relationEntities.get(2).setParent(relationEntities.get(4));
  relationEntities.get(3).setParent(relationEntities.get(5));
  relationEntities.get(7).setParent(relationEntities.get(5));
  relationEntityDao.updateInTx(relationEntities);
  QueryBuilder<RelationEntity> queryBuilder = relationEntityDao.queryBuilder();
  Join<RelationEntity, RelationEntity> join1 =
      queryBuilder.join(RelationEntityDao.Properties.ParentId, RelationEntity.class);
  queryBuilder.join(join1, RelationEntityDao.Properties.TestIdNotNull, TestEntity.class, Properties.Id)
      .where(Properties.SimpleInt.lt(6));
  Query<RelationEntity> query = queryBuilder.build();
  RelationEntity entity = query.uniqueOrThrow();
  assertEquals(relationEntities.get(2).getSimpleString(), entity.getSimpleString());
  query.setParameter(0, 99);
  assertEquals(3, query.list().size());
}

代码示例来源：origin: greenrobot/greenDAO

/**
 * Shorthand for {@link QueryBuilder#build() build()}.{@link Query#unique() unique()}; see {@link Query#unique()}
 * for details. To execute a query more than once, you should build the query and keep the {@link Query} object for
 * efficiency reasons.
 */
public T unique() {
  return build().unique();
}

代码示例来源：origin: greenrobot/greenDAO

public void testGetForCurrentThread_ParametersAreReset() {
  insert(3);
  int value = getSimpleInteger(1);
  Query<TestEntity> query = dao.queryBuilder().where(Properties.SimpleInteger.eq(value)).build();
  query.setParameter(0, value + 1);
  TestEntity entityFor2 = query.unique();
  assertEquals(value + 1, (int) entityFor2.getSimpleInteger());
  query = query.forCurrentThread();
  assertNotNull(query.unique());
}

代码示例来源：origin: CooLoongWu/CoolChat

List<Conversation> conversations = conversationDao.queryBuilder().build().list();
        .where(ContactDao.Properties.UserId.eq(conversations.get(i).getMultiId()))
        .build()
        .unique();
    conversations.get(i).setName(TextUtils.isEmpty(contact.getRemarkName()) ? contact.getName() : contact.getRemarkName());
  } else if ("group".equals(conversations.get(i).getType())) {
        .where(GroupDao.Properties.GroupId.eq(conversations.get(i).getMultiId()))
        .build()
        .unique();
    conversations.get(i).setName(group.getGroupName());

代码示例来源：origin: greenrobot/greenDAO

public void testLike() {
  TestEntity entity = insert(3).get(1);
  entity.setSimpleString("greenrobot");
  dao.update(entity);
  Query<TestEntity> query = dao.queryBuilder().where(Properties.SimpleString.like("%robot")).build();
  TestEntity entity2 = query.uniqueOrThrow();
  assertEquals(entity.getId(), entity2.getId());
  query.setParameter(0, "green%");
  entity2 = query.uniqueOrThrow();
  assertEquals(entity.getId(), entity2.getId());
  query.setParameter(0, "%enrob%");
  entity2 = query.uniqueOrThrow();
  assertEquals(entity.getId(), entity2.getId());
  query.setParameter(0, "%nothere%");
  entity2 = query.unique();
  assertNull(entity2);
}

代码示例来源：origin: greenrobot/greenDAO

public void testJoinSimpleParameterValue() {
  prepareData();
  QueryBuilder<RelationEntity> queryBuilder = createQueryBuilder(-1);
  Query<RelationEntity> query = queryBuilder.build();
  for (int i = 0; i < 10; i++) {
    query.setParameter(0, i + 1);
    RelationEntity unique = query.uniqueOrThrow();
    assertEquals("entity-" + (i + 1), unique.getSimpleString());
  }
}

代码示例来源：origin: greenrobot/greenDAO

@Override
  public void call(Subscriber<? super T> subscriber) {
    try {
      LazyList<T> lazyList = query.forCurrentThread().listLazyUncached();
      try {
        for (T entity : lazyList) {
          if (subscriber.isUnsubscribed()) {
            break;
          }
          subscriber.onNext(entity);
        }
      } finally {
        lazyList.close();
      }
      if (!subscriber.isUnsubscribed()) {
        subscriber.onCompleted();
      }
    } catch (Throwable e) {
      Exceptions.throwIfFatal(e);
      subscriber.onError(e);
    }
  }
});

代码示例来源：origin: greenrobot/greenDAO

public void run() {
    query.forCurrentThread();
  }
};

代码示例来源：origin: greenrobot/greenDAO

public void _testListSetParameters() {
  insertEntities(15);
  // TODO how to pass those to rxQuery?
  query.setParameter(0, 5);
  TestSubscriber<List<TestEntity>> testSubscriber = RxTestHelper.awaitTestSubscriber(rxQuery.list());
  assertEquals(1, testSubscriber.getValueCount());
  List<TestEntity> entitiesRead = testSubscriber.getOnNextEvents().get(0);
  assertEquals(5, entitiesRead.size());
}

代码示例来源：origin: greenrobot/greenDAO

/**
 * Shorthand for {@link QueryBuilder#build() build()}.{@link Query#listIterator() listIterator()}; see
 * {@link Query#listIterator()} for details. To execute a query more than once, you should build the query and keep
 * the {@link Query} object for efficiency reasons.
 */
public CloseableListIterator<T> listIterator() {
  return build().listIterator();
}