本文整理了Java中com.j256.ormlite.dao.Dao.extractId()方法的一些代码示例，展示了Dao.extractId()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。Dao.extractId()方法的具体详情如下：
包路径：com.j256.ormlite.dao.Dao
类名称：Dao
方法名：extractId

Dao.extractId介绍

[英]Returns the ID from the data parameter passed in. This is used by some of the internal queries to be able to search by id.
[中]从传入的数据参数返回ID。这被一些内部查询用来按id进行搜索。

代码示例

代码示例来源：origin: j256/ormlite-core

/**
 * @see Dao#extractId(Object)
 */
@Override
public ID extractId(T data) {
  try {
    return dao.extractId(data);
  } catch (SQLException e) {
    logMessage(e, "extractId threw exception on: " + data);
    throw new RuntimeException(e);
  }
}

代码示例来源：origin: j256/ormlite-core

/**
 * A call through to the {@link Dao#extractId(Object)}.
 */
public ID extractId() throws SQLException {
  checkForDao();
  @SuppressWarnings("unchecked")
  T t = (T) this;
  return dao.extractId(t);
}

代码示例来源：origin: com.j256.ormlite/ormlite-core

/**
 * A call through to the {@link Dao#extractId(Object)}.
 */
public ID extractId() throws SQLException {
  checkForDao();
  @SuppressWarnings("unchecked")
  T t = (T) this;
  return dao.extractId(t);
}

代码示例来源：origin: com.j256.ormlite/ormlite-core

/**
 * @see Dao#extractId(Object)
 */
@Override
public ID extractId(T data) {
  try {
    return dao.extractId(data);
  } catch (SQLException e) {
    logMessage(e, "extractId threw exception on: " + data);
    throw new RuntimeException(e);
  }
}

代码示例来源：origin: j256/ormlite-core

/**
 * Add a clause where the ID is from an existing object.
 */
public <OD> Where<T, ID> idEq(Dao<OD, ?> dataDao, OD data) throws SQLException {
  if (idColumnName == null) {
    throw new SQLException("Object has no id column specified");
  }
  addClause(new SimpleComparison(idColumnName, idFieldType, dataDao.extractId(data),
      SimpleComparison.EQUAL_TO_OPERATION));
  return this;
}

代码示例来源：origin: com.j256.ormlite/ormlite-core

/**
 * Add a clause where the ID is from an existing object.
 */
public <OD> Where<T, ID> idEq(Dao<OD, ?> dataDao, OD data) throws SQLException {
  if (idColumnName == null) {
    throw new SQLException("Object has no id column specified");
  }
  addClause(new SimpleComparison(idColumnName, idFieldType, dataDao.extractId(data),
      SimpleComparison.EQUAL_TO_OPERATION));
  return this;
}

代码示例来源：origin: j256/ormlite-core

@Test(expected = RuntimeException.class)
public void testExtractIdThrow() throws Exception {
  @SuppressWarnings("unchecked")
  Dao<Foo, String> dao = (Dao<Foo, String>) createMock(Dao.class);
  RuntimeExceptionDao<Foo, String> rtDao = new RuntimeExceptionDao<Foo, String>(dao);
  expect(dao.extractId(null)).andThrow(new SQLException("Testing catch"));
  replay(dao);
  rtDao.extractId(null);
  verify(dao);
}

代码示例来源：origin: j256/ormlite-core

@Test(expected = SQLException.class)
public void testExtractIdBadClass() throws Exception {
  Dao<NoId, Void> dao = createDao(NoId.class, true);
  NoId foo = new NoId();
  String stuff = "stuff1";
  foo.stuff = stuff;
  dao.extractId(foo);
}

代码示例来源：origin: j256/ormlite-core

@Test
public void testExtractId() throws Exception {
  Dao<Foo, Integer> dao = createDao(Foo.class, true);
  Foo foo = new Foo();
  assertEquals((Integer) foo.id, dao.extractId(foo));
}