パッケージ org.nkjmlab.sorm4j

インタフェース OrmReader

既知のサブインタフェースのリスト:
Orm, OrmConnection, OrmTransaction, Sorm
public interface OrmReader
The interface of reading functions of object-relation mapping.
作成者:
nkjm

  • メソッドの詳細

    • readAll

      <T> List<T> readAll(Class<T> objectClass)
      Reads all rows from the table indicated by object class.
      型パラメータ:
      T -
      パラメータ:
      objectClass -
      戻り値:

    • readByPrimaryKey

      <T> T readByPrimaryKey(Class<T> objectClass, Object... primaryKeyValues)
      Reads an object by its primary keys from the table indicated by object class.
      型パラメータ:
      T -
      パラメータ:
      objectClass -
      primaryKeyValues -
      戻り値:

    • readFirst

      <T> T readFirst(Class<T> objectClass, ParameterizedSql sql)
      Reads an object from the database.
      型パラメータ:
      T -
      パラメータ:
      objectClass -
      sql -
      戻り値:

    • readFirst

      <T> T readFirst(Class<T> objectClass, String sql, Object... parameters)
      Reads an object from the database.
      型パラメータ:
      T -
      パラメータ:
      objectClass -
      sql - with ordered parameter. The other type parameters (e.g. named parameter, list parameter) could not be used.
      parameters - are ordered parameter.
      戻り値:

    • readList

      <T> List<T> readList(Class<T> objectClass, ParameterizedSql sql)
      Reads a list of objects from the database by mapping the results of the parameterized SQL query into instances of the given object class. Only the columns returned from the SQL query will be set into the object instance.
      型パラメータ:
      T -
      パラメータ:
      objectClass -
      sql -
      戻り値:

    • readList

      <T> List<T> readList(Class<T> objectClass, String sql, Object... parameters)
      Reads a list of objects from the database by mapping the results of the parameterized SQL query into instances of the given object class. Only the columns returned from the SQL query will be set into the object instance.

      Parameters will be set according with the correspondence defined in SqlParametersSetter.setParameters(SormOptions, PreparedStatement, Object[])

    • readOne

      <T> T readOne(Class<T> objectClass, ParameterizedSql sql)
      Reads only one object from the database.
      型パラメータ:
      T -
      パラメータ:
      objectClass -
      sql -
      戻り値:

    • readOne

      <T> T readOne(Class<T> objectClass, String sql, Object... parameters)
      Reads only one object from the database.
      型パラメータ:
      T -
      パラメータ:
      objectClass -
      sql - with ordered parameter. The other type parameters (e.g. named parameter, list parameter) could not be used.
      parameters - are ordered parameter.
      戻り値:

    • readTupleList

      <T1, T2, T3> List<Tuple3<T1,T2,T3>> readTupleList(Class<T1> t1, Class<T2> t2, Class<T3> t3, ParameterizedSql sql)
      Reads results as List of Tuple3 for reading JOIN SQL results typically.
      型パラメータ:
      T1 -
      T2 -
      T3 -
      パラメータ:
      t1 -
      t2 -
      t3 -
      sql -
      戻り値:

    • readTupleList

      <T1, T2, T3> List<Tuple3<T1,T2,T3>> readTupleList(Class<T1> t1, Class<T2> t2, Class<T3> t3, String sql, Object... parameters)
      Reads results as List of Tuple3 for reading JOIN SQL results typically.
      型パラメータ:
      T1 -
      T2 -
      パラメータ:
      t1 -
      t2 -
      sql -
      parameters -
      戻り値:

    • readTupleList

      <T1, T2> List<Tuple2<T1,T2>> readTupleList(Class<T1> t1, Class<T2> t2, ParameterizedSql sql)
      Reads results as List of Tuple2 for reading JOIN SQL results typically.
      型パラメータ:
      T1 -
      T2 -
      パラメータ:
      t1 -
      t2 -
      sql -
      戻り値:

    • readTupleList

      <T1, T2> List<Tuple2<T1,T2>> readTupleList(Class<T1> t1, Class<T2> t2, String sql, Object... parameters)
      Reads results as List of Tuple2 for reading JOIN SQL results typically.
      型パラメータ:
      T1 -
      T2 -
      パラメータ:
      t1 -
      t2 -
      sql -
      parameters -
      戻り値:

    • getRowMapper

      <T> RowMapper<T> getRowMapper(Class<T> objectClass)
      Gets a function which maps one row in the resultSet to an object. The method does not call ResultSet.next().
      型パラメータ:
      T -
      パラメータ:
      objectClass -
      戻り値:

    • getResultSetTraverser

      <T> ResultSetTraverser<List<T>> getResultSetTraverser(Class<T> objectClass)
      Gets function which traverses and maps the all the rows in the given resultSet to an object list.
      型パラメータ:
      T -
      パラメータ:
      objectClass -
      戻り値:

    • exists

      <T> boolean exists(T object)
      Returns the object which has same primary key exists or not.
      パラメータ:
      object -
      戻り値: