com.j256.ormlite.dao.Dao.countOf()方法的使用及代码示例

x33g5p2x  于2022-01-18 转载在 其他  
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本文整理了Java中com.j256.ormlite.dao.Dao.countOf()方法的一些代码示例，展示了Dao.countOf()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.countOf()方法的具体详情如下：
包路径：com.j256.ormlite.dao.Dao
类名称：Dao
方法名：countOf

Dao.countOf介绍

[英]Returns the number of rows in the table associated with the data class. Depending on the size of the table and the database type, this may be expensive and take a while.
[中]返回表中与数据类关联的行数。根据表的大小和数据库类型，这可能会很昂贵，并且需要一段时间。

代码示例

代码示例来源：origin: j256/ormlite-core

  1. /**
  2.  * @see Dao#countOf()
  3.  */
  4. @Override
  5. public long countOf() {
  6.   try {
  7.     return dao.countOf();
  8.   } catch (SQLException e) {
  9.     logMessage(e, "countOf threw exception");
  10.     throw new RuntimeException(e);
  11.   }
  12. }

代码示例来源：origin: j256/ormlite-core

  1. /**
  2.  * @see Dao#countOf(PreparedQuery)
  3.  */
  4. @Override
  5. public long countOf(PreparedQuery<T> preparedQuery) {
  6.   try {
  7.     return dao.countOf(preparedQuery);
  8.   } catch (SQLException e) {
  9.     logMessage(e, "countOf threw exception on " + preparedQuery);
  10.     throw new RuntimeException(e);
  11.   }
  12. }

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

  1. /**
  2.  * @see Dao#countOf()
  3.  */
  4. @Override
  5. public long countOf() {
  6.   try {
  7.     return dao.countOf();
  8.   } catch (SQLException e) {
  9.     logMessage(e, "countOf threw exception");
  10.     throw new RuntimeException(e);
  11.   }
  12. }

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

  1. /**
  2.  * @see Dao#countOf(PreparedQuery)
  3.  */
  4. @Override
  5. public long countOf(PreparedQuery<T> preparedQuery) {
  6.   try {
  7.     return dao.countOf(preparedQuery);
  8.   } catch (SQLException e) {
  9.     logMessage(e, "countOf threw exception on " + preparedQuery);
  10.     throw new RuntimeException(e);
  11.   }
  12. }

代码示例来源：origin: QuickBlox/q-municate-android

  1. public long getAllCount() {
  2.   long numRows = 0;
  3.   try {
  4.     numRows = dao.countOf();
  5.   } catch (SQLException e) {
  6.     ErrorUtils.logError(e);
  7.   }
  8.   return numRows;
  9. }

代码示例来源：origin: org.mycontroller.standalone/mycontroller-core

  1. public Long countOf() {
  2.   try {
  3.     return this.getDao().countOf();
  4.   } catch (SQLException ex) {
  5.     _logger.error("unable to get count,", ex);
  6.   }
  7.   return null;
  8. }

代码示例来源：origin: mycontroller-org/mycontroller

  1. public Long countOf() {
  2.   try {
  3.     return this.getDao().countOf();
  4.   } catch (SQLException ex) {
  5.     _logger.error("unable to get count,", ex);
  6.     throw new McDatabaseException(ex);
  7.   }
  8. }

代码示例来源：origin: j256/ormlite-core

  1. /**
  2.  * Returns the count of the number of rows in the table. This uses {@link #setCountOf(boolean)} to true and then
  3.  * calls {@link Dao#countOf(PreparedQuery)}. It restores the previous count-of value before returning.
  4.  */
  5. public long countOf() throws SQLException {
  6.   String countOfQuerySave = this.countOfQuery;
  7.   try {
  8.     setCountOf(true);
  9.     return dao.countOf(prepare());
  10.   } finally {
  11.     setCountOf(countOfQuerySave);
  12.   }
  13. }

代码示例来源：origin: j256/ormlite-core

  1. @Test(expected = RuntimeException.class)
  2. public void testCountOfPreparedThrow() throws Exception {
  3.   @SuppressWarnings("unchecked")
  4.   Dao<Foo, String> dao = (Dao<Foo, String>) createMock(Dao.class);
  5.   RuntimeExceptionDao<Foo, String> rtDao = new RuntimeExceptionDao<Foo, String>(dao);
  6.   @SuppressWarnings("unchecked")
  7.   PreparedQuery<Foo> prepared = (PreparedQuery<Foo>) createMock(PreparedQuery.class);
  8.   expect(dao.countOf(prepared)).andThrow(new SQLException("Testing catch"));
  9.   replay(dao);
  10.   rtDao.countOf(prepared);
  11.   verify(dao);
  12. }

代码示例来源：origin: j256/ormlite-core

  1. @Test(expected = RuntimeException.class)
  2. public void testCountOfThrow() throws Exception {
  3.   @SuppressWarnings("unchecked")
  4.   Dao<Foo, String> dao = (Dao<Foo, String>) createMock(Dao.class);
  5.   RuntimeExceptionDao<Foo, String> rtDao = new RuntimeExceptionDao<Foo, String>(dao);
  6.   expect(dao.countOf()).andThrow(new SQLException("Testing catch"));
  7.   replay(dao);
  8.   rtDao.countOf();
  9.   verify(dao);
  10. }

代码示例来源：origin: j256/ormlite-core

  1. @Test
  2. public void testClearTable() throws Exception {
  3.   Dao<LocalFoo, Integer> fooDao = createDao(LocalFoo.class, true);
  4.   assertEquals(0, fooDao.countOf());
  5.   LocalFoo foo = new LocalFoo();
  6.   assertEquals(1, fooDao.create(foo));
  7.   assertEquals(1, fooDao.countOf());
  8.   TableUtils.clearTable(connectionSource, LocalFoo.class);
  9.   assertEquals(0, fooDao.countOf());
  10. }

代码示例来源：origin: j256/ormlite-core

  1. @Test
  2. public void testCountOf() throws Exception {
  3.   Dao<Foo, Integer> dao = createDao(Foo.class, true);
  4.   assertEquals(0, dao.countOf());
  5.   Foo foo = new Foo();
  6.   assertEquals(1, dao.create(foo));
  7.   assertEquals(1, dao.countOf());
  8.   assertEquals(1, dao.create(foo));
  9.   assertEquals(2, dao.countOf());
  10. }

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

  1. @Test
  2. public void testCountOf() throws Exception {
  3.   Dao<Foo, String> dao = createDao(Foo.class, true);
  4.   assertEquals(0, dao.countOf());
  5.   Foo foo = new Foo();
  6.   foo.id = 1;
  7.   assertEquals(1, dao.create(foo));
  8.   assertEquals(1, dao.countOf());
  9.   foo.id = 2;
  10.   assertEquals(1, dao.create(foo));
  11.   assertEquals(2, dao.countOf());
  12. }

代码示例来源：origin: j256/ormlite-core

  1. @Test(expected = IllegalArgumentException.class)
  2. public void testCountOfPreparedNoCountOf() throws Exception {
  3.   Dao<Foo, Integer> dao = createDao(Foo.class, true);
  4.   QueryBuilder<Foo, Integer> qb = dao.queryBuilder();
  5.   dao.countOf(qb.prepare());
  6. }

代码示例来源：origin: j256/ormlite-core

  1. @Test(expected = SQLException.class)
  2. public void testQueryForFieldValuesQuotes() throws Exception {
  3.   Dao<Foo, Integer> dao = createDao(Foo.class, true);
  4.   assertEquals(0, dao.countOf());
  5.   Foo foo1 = new Foo();
  6.   foo1.val = 1231231;
  7.   assertEquals(1, dao.create(foo1));
  8.   Map<String, Object> fieldValues = new HashMap<String, Object>();
  9.   fieldValues.put(Foo.ID_COLUMN_NAME, "this id has a quote '");
  10.   dao.queryForFieldValues(fieldValues);
  11. }

代码示例来源：origin: j256/ormlite-core

  1. @Test
  2. public void testQueryForFieldValuesEmpty() throws Exception {
  3.   Dao<Foo, Integer> dao = createDao(Foo.class, true);
  4.   assertEquals(0, dao.countOf());
  5.   Foo foo = new Foo();
  6.   foo.val = 1231231;
  7.   assertEquals(1, dao.create(foo));
  8.   Map<String, Object> fieldValues = new HashMap<String, Object>();
  9.   List<Foo> results = dao.queryForFieldValues(fieldValues);
  10.   assertEquals(0, results.size());
  11. }

代码示例来源：origin: j256/ormlite-core

  1. @Test
  2. public void testCountOfPrepared() throws Exception {
  3.   Dao<Foo, Integer> dao = createDao(Foo.class, true);
  4.   assertEquals(0, dao.countOf());
  5.   Foo foo = new Foo();
  6.   assertEquals(1, dao.create(foo));
  7.   assertEquals(1, dao.create(foo));
  8.   assertEquals(2, dao.countOf());
  9.   QueryBuilder<Foo, Integer> qb = dao.queryBuilder();
  10.   qb.setCountOf(true).where().eq(Foo.ID_COLUMN_NAME, foo.id);
  11.   assertEquals(1, dao.countOf(qb.prepare()));
  12. }

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

  1. @Test
  2. public void testCountOfPreparedNoCountOf() throws Exception {
  3.   Dao<Foo, String> dao = createDao(Foo.class, true);
  4.   QueryBuilder<Foo, String> qb = dao.queryBuilder();
  5.   try {
  6.     dao.countOf(qb.prepare());
  7.     fail("Should have thrown");
  8.   } catch (IllegalArgumentException e) {
  9.     // expected
  10.   }
  11. }

代码示例来源：origin: j256/ormlite-core

  1. @Test
  2. public void testQueryForMatchingNoFields() throws Exception {
  3.   Dao<Foo, Integer> dao = createDao(Foo.class, true);
  4.   assertEquals(0, dao.countOf());
  5.   Foo foo = new Foo();
  6.   foo.val = 1231231;
  7.   assertEquals(1, dao.create(foo));
  8.   Foo match = new Foo();
  9.   List<Foo> results = dao.queryForMatching(match);
  10.   assertEquals(0, results.size());
  11. }

代码示例来源：origin: j256/ormlite-core

  1. @Test(expected = SQLException.class)
  2. public void testQueryForMatchingQuotes() throws Exception {
  3.   Dao<Foo, Integer> dao = createDao(Foo.class, true);
  4.   assertEquals(0, dao.countOf());
  5.   Foo foo = new Foo();
  6.   foo.val = 1231231;
  7.   assertEquals(1, dao.create(foo));
  8.   Foo match = new Foo();
  9.   match.stringField = "this id has a quote '";
  10.   dao.queryForMatching(match);
  11. }

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