Class BeanHandler<T>
- java.lang.Object
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- org.apache.commons.dbutils.handlers.BeanHandler<T>
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- 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 firstResultSet
row into a JavaBean. This class is thread safe.- See Also:
ResultSetHandler
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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.
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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.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description T
handle(java.sql.ResultSet rs)
Convert the first row of theResultSet
into a bean with theClass
given in the constructor.
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Field Detail
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type
private final java.lang.Class<? extends T> type
The Class of beans produced by this handler.
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convert
private final RowProcessor convert
The RowProcessor implementation to use when converting rows into beans.
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Constructor Detail
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BeanHandler
public BeanHandler(java.lang.Class<? extends T> type)
Creates a new instance of BeanHandler.- Parameters:
type
- The Class that objects returned fromhandle()
are created from.
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BeanHandler
public BeanHandler(java.lang.Class<? extends T> type, RowProcessor convert)
Creates a new instance of BeanHandler.- Parameters:
type
- The Class that objects returned fromhandle()
are created from.convert
- TheRowProcessor
implementation to use when converting rows into beans.
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Method Detail
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handle
public T handle(java.sql.ResultSet rs) throws java.sql.SQLException
Convert the first row of theResultSet
into a bean with theClass
given in the constructor.- Specified by:
handle
in interfaceResultSetHandler<T>
- Parameters:
rs
-ResultSet
to process.- Returns:
- An initialized JavaBean or
null
if there were no rows in theResultSet
. - Throws:
java.sql.SQLException
- if a database access error occurs- See Also:
ResultSetHandler.handle(java.sql.ResultSet)
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