Class BeanHandler<T>

  • Type Parameters:
    T - the target bean type
    All Implemented Interfaces:
    ResultSetHandler<T>

    public class BeanHandler<T>
    extends java.lang.Object
    implements ResultSetHandler<T>
    ResultSetHandler implementation that converts the first ResultSet row into a JavaBean. This class is thread safe.
    See Also:
    ResultSetHandler
    • Field Summary

      Fields 
      Modifier and Type Field Description
      private RowProcessor convert
      The RowProcessor implementation to use when converting rows into beans.
      private java.lang.Class<? extends T> type
      The Class of beans produced by this handler.
    • Constructor Summary

      Constructors 
      Constructor Description
      BeanHandler​(java.lang.Class<? extends T> type)
      Creates a new instance of BeanHandler.
      BeanHandler​(java.lang.Class<? extends T> type, RowProcessor convert)
      Creates a new instance of BeanHandler.
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      T handle​(java.sql.ResultSet rs)
      Convert the first row of the ResultSet into a bean with the Class given in the constructor.
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Field Detail

      • type

        private final java.lang.Class<? extends T> type
        The Class of beans produced by this handler.
      • convert

        private final RowProcessor convert
        The RowProcessor implementation to use when converting rows into beans.
    • Constructor Detail

      • BeanHandler

        public BeanHandler​(java.lang.Class<? extends T> type)
        Creates a new instance of BeanHandler.
        Parameters:
        type - The Class that objects returned from handle() are created from.
      • BeanHandler

        public BeanHandler​(java.lang.Class<? extends T> type,
                           RowProcessor convert)
        Creates a new instance of BeanHandler.
        Parameters:
        type - The Class that objects returned from handle() are created from.
        convert - The RowProcessor implementation to use when converting rows into beans.
    • Method Detail

      • handle

        public T handle​(java.sql.ResultSet rs)
                 throws java.sql.SQLException
        Convert the first row of the ResultSet into a bean with the Class given in the constructor.
        Specified by:
        handle in interface ResultSetHandler<T>
        Parameters:
        rs - ResultSet to process.
        Returns:
        An initialized JavaBean or null if there were no rows in the ResultSet.
        Throws:
        java.sql.SQLException - if a database access error occurs
        See Also:
        ResultSetHandler.handle(java.sql.ResultSet)