com.interface21.jdbc.object
Class ReflectionExtractionSqlQuery

java.lang.Object
  |
  +--com.interface21.jdbc.object.RdbmsOperation
        |
        +--com.interface21.jdbc.object.SqlOperation
              |
              +--com.interface21.jdbc.object.SqlQuery
                    |
                    +--com.interface21.jdbc.object.ReflectionExtractionSqlQuery

All Implemented Interfaces:

InitializingBean

public abstract class ReflectionExtractionSqlQuery

extends SqlQuery

Reusable threadsafe query in which reflection is used to extract each result row. Each object must be of the same type. NOTE : THIS CLASS IS A DEMONSTRATION ONLY OF THIS APPROACH. IT IS NOT FULLY IMPLEMENTED, DOCUMENTED OR TESTED.

Fields inherited from class com.interface21.jdbc.object.RdbmsOperation

logger

Constructor Summary

protected

ReflectionExtractionSqlQuery() Only subclasses can use this: they must remember to set the result class later

Method Summary

java.lang.Class	getResultClass()
protected ResultReader	newResultReader(int rowsExpected) Use reflection to extract an object from each row of the result.
protected void	onCompileInternal() Subclasses can override this method to implement custom behavior on compilation.
protected void	setResultClass(java.lang.Class resultClass)
void	setResultClassname(java.lang.String classname)

Methods inherited from class com.interface21.jdbc.object.SqlQuery

execute, execute, execute, execute, execute, findObject, findObject, findObject, findObject, getRowsExpected, newResultReader, setRowsExpected

Methods inherited from class com.interface21.jdbc.object.SqlOperation

compileInternal, getJdbcTemplate, newPreparedStatementCreator

Methods inherited from class com.interface21.jdbc.object.RdbmsOperation

afterPropertiesSet, compile, declareParameter, getDataSource, getDeclaredParameters, getSql, isCompiled, setDataSource, setSql, setTypes, validateParameters

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ReflectionExtractionSqlQuery

protected ReflectionExtractionSqlQuery()

Only subclasses can use this: they must remember to set the result class later

Method Detail

getResultClass

public java.lang.Class getResultClass()

setResultClassname

public void setResultClassname(java.lang.String classname)
                        throws InvalidDataAccessApiUsageException

setResultClass

protected void setResultClass(java.lang.Class resultClass)

onCompileInternal

protected void onCompileInternal()
                          throws InvalidDataAccessApiUsageException

Description copied from class: SqlQuery

Subclasses can override this method to implement custom behavior on compilation. This implementation does nothing.

Overrides:

onCompileInternal in class SqlQuery

newResultReader

protected ResultReader newResultReader(int rowsExpected)

Use reflection to extract an object from each row of the result.