Package org.apache.cayenne.access.types

Interface ExtendedType<T>

All Known Implementing Classes:
BigDecimalType, BooleanType, ByteArrayType, ByteType, CalendarType, CharType, DateType, DoubleType, DurationType, EnumType, ExtendedEnumType, FloatType, GeoJsonType, H2CharType, IngresBooleanType, IntegerType, JsonType, LongType, ObjectType, OracleByteArrayType, OracleCharType, OracleUtilDateType, ShortType, TimestampType, TimeType, UtilDateType, VoidType, WktType
public interface ExtendedType<T>
Defines methods to read Java objects from JDBC ResultSets and write as parameters of PreparedStatements.

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final int
    TRIM_VALUES_THRESHOLD
    Defines trimming constant for toString method that helps to limit logging of large values.

  • Method Summary

    Modifier and Type
    Method
    Description
    String
    getClassName()
    Returns a full name of Java class that this ExtendedType supports.
    T
    materializeObject(CallableStatement rs, int index, int type)
    Reads an object from a stored procedure OUT parameter, converting it to class returned by 'getClassName' method.
    T
    materializeObject(ResultSet rs, int index, int type)
    Reads an object from JDBC ResultSet column, converting it to class returned by 'getClassName' method.
    void
    setJdbcObject(PreparedStatement statement, T value, int pos, int type, int scale)
    Initializes a single parameter of a PreparedStatement with object value.
    String
    toString(T value)
    Converts value of the supported type to a human-readable String representation.

  • Field Details

    • TRIM_VALUES_THRESHOLD

      static final int TRIM_VALUES_THRESHOLD
      Defines trimming constant for toString method that helps to limit logging of large values.
      See Also:

  • Method Details

    • getClassName

      String getClassName()
      Returns a full name of Java class that this ExtendedType supports.

    • setJdbcObject

      void setJdbcObject(PreparedStatement statement, T value, int pos, int type, int scale) throws Exception
      Initializes a single parameter of a PreparedStatement with object value.
      Throws:
      Exception

    • materializeObject

      T materializeObject(ResultSet rs, int index, int type) throws Exception
      Reads an object from JDBC ResultSet column, converting it to class returned by 'getClassName' method.
      Throws:
      Exception - if read error occurred, or an object can't be converted to a target Java class.

    • materializeObject

      T materializeObject(CallableStatement rs, int index, int type) throws Exception
      Reads an object from a stored procedure OUT parameter, converting it to class returned by 'getClassName' method.
      Throws:
      Exception - if read error occurred, or an object can't be converted to a target Java class.

    • toString

      String toString(T value)
      Converts value of the supported type to a human-readable String representation.
      Parameters:
      value - a value to convert to String.
      Since:
      4.0