gnu.beanfactory.jdbc
Class Query

java.lang.Object
  |
  +--gnu.beanfactory.jdbc.Query

Direct Known Subclasses:

CachedQuery

public abstract class Query

extends java.lang.Object

Abstract class for defining SQL queries. Caching hooks exist for subclasses to implement. Important properties are:

propertyName	description	required?
connectionPool	URL reference to a ConnectionPool	true
dataBeanClass	Fully qualified class name of the data bean	true
sql	select SQL statement	true
propertyMap	Properties cotaining columnName to propertyName mappings	false

Version:

$Id: Query.java,v 1.15 2001/10/01 03:07:17 rschoening Exp $

Author:

Rob Schoening

Inner Class Summary

class

Query.CacheKey

Constructor Summary

Query()

Method Summary

protected abstract void	cacheResults(Query.CacheKey key, java.lang.Object[] val)
java.lang.String	columnToPropertyName(java.lang.String n)
java.lang.Object[]	doSelect(Query.CacheKey key)
protected abstract void	flushCache()
protected abstract void	flushCache(Query.CacheKey key)
ConnectionPool	getConnectionPool()
java.lang.String	getDataBeanClass()
java.util.Properties	getPropertyMap()
protected abstract java.lang.Object[]	getResultsFromCache(Query.CacheKey key)
java.lang.String	getSql()
java.lang.Object	newRowBean()
java.lang.Object[]	select()
java.lang.Object[]	select(java.lang.Object arg1)
java.lang.Object[]	select(java.lang.Object[] args)
java.lang.Object	selectFirst()
java.lang.Object	selectFirst(java.lang.Object arg)
java.lang.Object	selectFirst(java.lang.Object[] args)
java.lang.Object	selectFirstUncached()
java.lang.Object	selectFirstUncached(java.lang.Object arg)
java.lang.Object	selectFirstUncached(java.lang.Object[] args)
java.lang.Object[]	selectUncached()
java.lang.Object[]	selectUncached(java.lang.Object arg)
java.lang.Object[]	selectUncached(java.lang.Object[] args)
void	setConnectionPool(ConnectionPool cp)
void	setDataBeanClass(java.lang.String s)
void	setPropertyMap(java.util.Properties p)
void	setSql(java.lang.String s)

Methods inherited from class java.lang.Object

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

Constructor Detail

Query

public Query()

Method Detail

getPropertyMap

public java.util.Properties getPropertyMap()

setPropertyMap

public void setPropertyMap(java.util.Properties p)

getSql

public java.lang.String getSql()

setSql

public void setSql(java.lang.String s)

getConnectionPool

public ConnectionPool getConnectionPool()

setConnectionPool

public void setConnectionPool(ConnectionPool cp)

cacheResults

protected abstract void cacheResults(Query.CacheKey key,
                                     java.lang.Object[] val)

getResultsFromCache

protected abstract java.lang.Object[] getResultsFromCache(Query.CacheKey key)

flushCache

protected abstract void flushCache()

flushCache

protected abstract void flushCache(Query.CacheKey key)

select

public final java.lang.Object[] select()
                                throws java.sql.SQLException

select

public final java.lang.Object[] select(java.lang.Object arg1)
                                throws java.sql.SQLException

select

public final java.lang.Object[] select(java.lang.Object[] args)
                                throws java.sql.SQLException

selectUncached

public final java.lang.Object[] selectUncached()
                                        throws java.sql.SQLException

selectUncached

public final java.lang.Object[] selectUncached(java.lang.Object arg)
                                        throws java.sql.SQLException

selectUncached

public final java.lang.Object[] selectUncached(java.lang.Object[] args)
                                        throws java.sql.SQLException

selectFirst

public final java.lang.Object selectFirst()
                                   throws java.sql.SQLException

selectFirst

public final java.lang.Object selectFirst(java.lang.Object arg)
                                   throws java.sql.SQLException

selectFirst

public final java.lang.Object selectFirst(java.lang.Object[] args)
                                   throws java.sql.SQLException

selectFirstUncached

public final java.lang.Object selectFirstUncached()
                                           throws java.sql.SQLException

selectFirstUncached

public final java.lang.Object selectFirstUncached(java.lang.Object arg)
                                           throws java.sql.SQLException

selectFirstUncached

public final java.lang.Object selectFirstUncached(java.lang.Object[] args)
                                           throws java.sql.SQLException

doSelect

public java.lang.Object[] doSelect(Query.CacheKey key)
                            throws java.sql.SQLException

columnToPropertyName

public java.lang.String columnToPropertyName(java.lang.String n)

getDataBeanClass

public java.lang.String getDataBeanClass()

setDataBeanClass

public void setDataBeanClass(java.lang.String s)

newRowBean

public java.lang.Object newRowBean()
                            throws java.lang.ClassNotFoundException,
                                   java.lang.InstantiationException,
                                   java.lang.IllegalAccessException