callablestatement.java

java数据库源代码 请看看啊 提点宝贵的意见

     * Sets the designated parameter to the given Java <code>float</code> value. 
     * The driver converts this
     * to an SQL <code>FLOAT</code> value when it sends it to the database.
     *
     * @param parameterName the name of the parameter
     * @param x the parameter value
     * @exception SQLException if a database access error occurs
     * @see #getFloat
     * @since 1.4
     */
    void setFloat(String parameterName, float x) throws SQLException;

    /**
     * Sets the designated parameter to the given Java <code>double</code> value.  
     * The driver converts this
     * to an SQL <code>DOUBLE</code> value when it sends it to the database.
     *
     * @param parameterName the name of the parameter
     * @param x the parameter value
     * @exception SQLException if a database access error occurs
     * @see #getDouble
     * @since 1.4
     */
    void setDouble(String parameterName, double x) throws SQLException;

    /**
     * Sets the designated parameter to the given
     * <code>java.math.BigDecimal</code> value.  
     * The driver converts this to an SQL <code>NUMERIC</code> value when
     * it sends it to the database.
     *
     * @param parameterName the name of the parameter
     * @param x the parameter value
     * @exception SQLException if a database access error occurs
     * @see #getBigDecimal
     * @since 1.4
     */
    void setBigDecimal(String parameterName, BigDecimal x) throws SQLException;

    /**
     * Sets the designated parameter to the given Java <code>String</code> value. 
     * The driver converts this
     * to an SQL <code>VARCHAR</code> or <code>LONGVARCHAR</code> value
     * (depending on the argument's
     * size relative to the driver's limits on <code>VARCHAR</code> values)
     * when it sends it to the database.
     *
     * @param parameterName the name of the parameter
     * @param x the parameter value
     * @exception SQLException if a database access error occurs
     * @see #getString
     * @since 1.4
     */
    void setString(String parameterName, String x) throws SQLException;

    /**
     * Sets the designated parameter to the given Java array of bytes.  
     * The driver converts this to an SQL <code>VARBINARY</code> or 
     * <code>LONGVARBINARY</code> (depending on the argument's size relative 
     * to the driver's limits on <code>VARBINARY</code> values) when it sends 
     * it to the database.
     *
     * @param parameterName the name of the parameter
     * @param x the parameter value 
     * @exception SQLException if a database access error occurs
     * @see #getBytes
     * @since 1.4
     */
    void setBytes(String parameterName, byte x[]) throws SQLException;

    /**
     * Sets the designated parameter to the given <code>java.sql.Date</code> value.  
     * The driver converts this
     * to an SQL <code>DATE</code> value when it sends it to the database.
     *
     * @param parameterName the name of the parameter
     * @param x the parameter value
     * @exception SQLException if a database access error occurs
     * @see #getDate
     * @since 1.4
     */
    void setDate(String parameterName, java.sql.Date x)
	throws SQLException;

    /**
     * Sets the designated parameter to the given <code>java.sql.Time</code> value.  
     * The driver converts this
     * to an SQL <code>TIME</code> value when it sends it to the database.
     *
     * @param parameterName the name of the parameter
     * @param x the parameter value
     * @exception SQLException if a database access error occurs
     * @see #getTime
     * @since 1.4
     */
    void setTime(String parameterName, java.sql.Time x) 
	throws SQLException;

    /**
     * Sets the designated parameter to the given <code>java.sql.Timestamp</code> value.  
     * The driver
     * converts this to an SQL <code>TIMESTAMP</code> value when it sends it to the
     * database.
     *
     * @param parameterName the name of the parameter
     * @param x the parameter value 
     * @exception SQLException if a database access error occurs
     * @see #getTimestamp
     * @since 1.4
     */
    void setTimestamp(String parameterName, java.sql.Timestamp x)
	throws SQLException;

    /**
     * Sets the designated parameter to the given input stream, which will have 
     * the specified number of bytes.
     * When a very large ASCII value is input to a <code>LONGVARCHAR</code>
     * parameter, it may be more practical to send it via a
     * <code>java.io.InputStream</code>. Data will be read from the stream
     * as needed until end-of-file is reached.  The JDBC driver will
     * do any necessary conversion from ASCII to the database char format.
     * 
     * <P><B>Note:</B> This stream object can either be a standard
     * Java stream object or your own subclass that implements the
     * standard interface.
     *
     * @param parameterName the name of the parameter
     * @param x the Java input stream that contains the ASCII parameter value
     * @param length the number of bytes in the stream 
     * @exception SQLException if a database access error occurs
     * @since 1.4
     */
    void setAsciiStream(String parameterName, java.io.InputStream x, int length)
	throws SQLException;

    /**
     * Sets the designated parameter to the given input stream, which will have 
     * the specified number of bytes.
     * When a very large binary value is input to a <code>LONGVARBINARY</code>
     * parameter, it may be more practical to send it via a
     * <code>java.io.InputStream</code> object. The data will be read from the stream
     * as needed until end-of-file is reached.
     * 
     * <P><B>Note:</B> This stream object can either be a standard
     * Java stream object or your own subclass that implements the
     * standard interface.
     *
     * @param parameterName the name of the parameter
     * @param x the java input stream which contains the binary parameter value
     * @param length the number of bytes in the stream 
     * @exception SQLException if a database access error occurs
     * @since 1.4
     */
    void setBinaryStream(String parameterName, java.io.InputStream x, 
			 int length) throws SQLException;

    /**
     * Sets the value of the designated parameter with the given object. The second
     * argument must be an object type; for integral values, the
     * <code>java.lang</code> equivalent objects should be used.
     *
     * <p>The given Java object will be converted to the given targetSqlType
     * before being sent to the database.
     *
     * If the object has a custom mapping (is of a class implementing the 
     * interface <code>SQLData</code>),
     * the JDBC driver should call the method <code>SQLData.writeSQL</code> to write it 
     * to the SQL data stream.
     * If, on the other hand, the object is of a class implementing
     * <code>Ref</code>, <code>Blob</code>, <code>Clob</code>, <code>Struct</code>, 
     * or <code>Array</code>, the driver should pass it to the database as a 
     * value of the corresponding SQL type.
     * <P>
     * Note that this method may be used to pass datatabase-
     * specific abstract data types. 
     *
     * @param parameterName the name of the parameter
     * @param x the object containing the input parameter value
     * @param targetSqlType the SQL type (as defined in java.sql.Types) to be 
     * sent to the database. The scale argument may further qualify this type.
     * @param scale for java.sql.Types.DECIMAL or java.sql.Types.NUMERIC types,
     *          this is the number of digits after the decimal point.  For all other
     *          types, this value will be ignored.
     * @exception SQLException if a database access error occurs
     * @see Types
     * @see #getObject
     * @since 1.4 
     */
    void setObject(String parameterName, Object x, int targetSqlType, int scale)
	throws SQLException;

    /**
     * Sets the value of the designated parameter with the given object.
     * This method is like the method <code>setObject</code>
     * above, except that it assumes a scale of zero.
     *
     * @param parameterName the name of the parameter
     * @param x the object containing the input parameter value
     * @param targetSqlType the SQL type (as defined in java.sql.Types) to be 
     *                      sent to the database
     * @exception SQLException if a database access error occurs
     * @see #getObject
     * @since 1.4
     */
    void setObject(String parameterName, Object x, int targetSqlType) 
	throws SQLException;

    /**
     * Sets the value of the designated parameter with the given object. 
     * The second parameter must be of type <code>Object</code>; therefore, the
     * <code>java.lang</code> equivalent objects should be used for built-in types.
     *
     * <p>The JDBC specification specifies a standard mapping from
     * Java <code>Object</code> types to SQL types.  The given argument 
     * will be converted to the corresponding SQL type before being
     * sent to the database.
     *
     * <p>Note that this method may be used to pass datatabase-
     * specific abstract data types, by using a driver-specific Java
     * type.
     *
     * If the object is of a class implementing the interface <code>SQLData</code>,
     * the JDBC driver should call the method <code>SQLData.writeSQL</code>
     * to write it to the SQL data stream.
     * If, on the other hand, the object is of a class implementing
     * <code>Ref</code>, <code>Blob</code>, <code>Clob</code>, <code>Struct</code>, 
     * or <code>Array</code>, the driver should pass it to the database as a 
     * value of the corresponding SQL type.
     * <P>
     * This method throws an exception if there is an ambiguity, for example, if the
     * object is of a class implementing more than one of the interfaces named above.
     *
     * @param parameterName the name of the parameter
     * @param x the object containing the input parameter value 
     * @exception SQLException if a database access error occurs or if the given
     *            <code>Object</code> parameter is ambiguous
     * @see #getObject
     * @since 1.4
     */
    void setObject(String parameterName, Object x) throws SQLException;
   

    /**
     * Sets the designated parameter to the given <code>Reader</code>
     * object, which is the given number of characters long.
     * When a very large UNICODE value is input to a <code>LONGVARCHAR</code>
     * parameter, it may be more practical to send it via a
     * <code>java.io.Reader</code> object. The data will be read from the stream
     * as needed until end-of-file is reached.  The JDBC driver will
     * do any necessary conversion from UNICODE to the database char format.
     * 
     * <P><B>Note:</B> This stream object can either be a standard
     * Java stream object or your own subclass that implements the
     * standard interface.
     *
     * @param parameterName the name of the parameter
     * @param reader the <code>java.io.Reader</code> object that
     *        contains the UNICODE data used as the designated parameter
     * @param length the number of characters in the stream 
     * @exception SQLException if a database access error occurs
     * @since 1.4
     */
    void setCharacterStream(String parameterName,
			    java.io.Reader reader,
			    int length) throws SQLException;

    /**
     * Sets the designated parameter to the given <code>java.sql.Date</code> value,
     * using the given <code>Calendar</code> object.  The driver uses
     * the <code>Calendar</code> object to construct an SQL <code>DATE</code> value,
     * which the driver then sends to the database.  With a
     * a <code>Calendar</code> object, the driver can calculate the date
     * taking into account a custom timezone.  If no
     * <code>Calendar</code> object is specified, the driver uses the default
     * timezone, which is that of the virtual machine running the application.
     *
     * @param parameterName the name of the parameter
     * @param x the parameter value
     * @param cal the <code>Calendar</code> object the driver will use
     *            to construct the date
     * @exception SQLException if a database access error occurs
     * @see #getDate
     * @since 1.4
     */
    void setDate(String parameterName, java.sql.Date x, Calendar cal)
	throws SQLException;

    /**
     * Sets the designated parameter to the given <code>java.sql.Time</code> value,
     * using the given <code>Calendar</code> object.  The driver uses
     * the <code>Calendar</code> object to construct an SQL <code>TIME</code> value,
     * which the driver then sends to the database.  With a
     * a <code>Calendar</code> object, the driver can calculate the time
     * taking into account a custom timezone.  If no
     * <code>Calendar</code> object is specified, the driver uses the default
     * timezone, which is that of the virtual machine running the application.
     *
     * @param parameterName the name of the parameter
     * @param x the parameter value
     * @param cal the <code>Calendar</code> object the driver will use
     *            to construct the time
     * @exception SQLException if a database access error occurs
     * @see #getTime
     * @since 1.4
     */
    void setTime(String parameterName, java.sql.Time x, Calendar cal) 
	throws SQLException;

    /**
     * Sets the designated parameter to the given <code>java.sql.Timestamp</code> value,
     * using the given <code>Calendar</code> object.  The driver uses
     * the <code>Calendar</code> object to construct an SQL <code>TIMESTAMP</code> value,
     * which the driver then sends to the database.  With a
     * a <code>Calendar</code> object, the driver can calculate the timestamp
     * taking into account a custom timezone.  If no
     * <code>Calendar</code> object is specified, the driver uses the default
     * timezone, which is that of the virtual machine running the application.
     *
     * @param parameterName the name of the parameter
     * @param x the parameter value 
     * @param cal the <code>Calendar</code> object the driver will use
     *            to construct the timestamp
     * @exception SQLException if a database access error occurs
     * @see #getTimestamp
     * @since 1.4
     */
    void setTimestamp(String parameterName, java.sql.Timestamp x, Calendar cal)
	throws SQLException;

    /**
     * Sets the designated parameter to SQL <code>NULL</code>.
     * This version of the method <code>setNull</code> should
     * be used for user-defined types and REF type parameters.  Examples
     * of user-defined types include: STRUCT, DISTINCT, JAVA_OBJECT, and 
     * named array types.
     *
     * <P><B>Note:</B> To be portable, applications must give the
     * SQL type code and the fully-qualified SQL type name when specifying
     * a NULL user-defined or REF parameter.  In the case of a user-defined type 
     * the name is the type name of the parameter itself.  For a REF 
     * parameter, the name is the type name of the referenced type.  If 
     * a JDBC driver does not need the type code or type name information, 
     * it may ignore it.     
     *
     * Although it is intended for user-defined and Ref parameters,
     * this method may be used to set a null parameter of any JDBC type.
     * If the parameter does not have a user-defined or REF type, the given
     * typeName is ignored.
     *
     *
     * @param parameterName the name of the parameter
     * @param sqlType a value from <code>java.sql.Types</code>
     * @param typeName the fully-qualified name of an SQL user-defined type;
     *        ignored if the parameter is not a user-defined type or 
     *        SQL <code>REF</code> value