org.apache.lokahi.core.common.database
Class CachingBroker<T extends Dao>

java.lang.Object
  org.apache.lokahi.core.common.database.CachingBroker<T>

All Implemented Interfaces:

ReadOnlyBroker<T>, TMCBroker<T>

public class CachingBroker<T extends Dao>
extends java.lang.Object
implements TMCBroker<T>

Version:

$Id: CachingBroker.java,v 1.3 2006/03/07 20:18:52 drtobes Exp $

Author:

Stephen Toback

Constructor Summary

CachingBroker()

Method Summary

void	blobHack(java.lang.String lockStatement, java.lang.String statement, int id, byte[] blobData)
java.lang.String	connectionReport()
boolean	delete(java.lang.String statement, java.lang.Object... objects)
T	getObject(java.lang.Class<T> c, java.lang.String statement, boolean cache, java.lang.Object... objects) Gets a singular object from the datastore.
java.util.Collection<T>	getObjects(java.lang.Class<T> c, boolean cache, java.lang.String statement, java.lang.Object... objects) Gets a collection of objects from the datastore.
void	modifyRelationship(java.lang.String statement, java.lang.Object... objects)
int	save(java.lang.String statement, java.lang.Object... objects)
void	update(java.lang.String statement, java.lang.Object... objects)
void	useSQL(java.lang.String statement, java.lang.Object... objects)

Methods inherited from class java.lang.Object

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

Constructor Detail

CachingBroker

public CachingBroker()

Method Detail

save

public int save(java.lang.String statement,
                java.lang.Object... objects)
         throws java.sql.SQLException

Specified by:

save in interface TMCBroker<T extends Dao>

Throws:

java.sql.SQLException

delete

public boolean delete(java.lang.String statement,
                      java.lang.Object... objects)
               throws java.sql.SQLException

Specified by:

delete in interface TMCBroker<T extends Dao>

Throws:

java.sql.SQLException

update

public void update(java.lang.String statement,
                   java.lang.Object... objects)
            throws java.sql.SQLException

Specified by:

update in interface TMCBroker<T extends Dao>

Throws:

java.sql.SQLException

modifyRelationship

public void modifyRelationship(java.lang.String statement,
                               java.lang.Object... objects)
                        throws java.sql.SQLException

Specified by:

modifyRelationship in interface TMCBroker<T extends Dao>

Throws:

java.sql.SQLException

getObject

public T getObject(java.lang.Class<T> c,
                   java.lang.String statement,
                   boolean cache,
                   java.lang.Object... objects)
                        throws java.sql.SQLException

Description copied from interface: ReadOnlyBroker

Gets a singular object from the datastore.

Specified by:

getObject in interface ReadOnlyBroker<T extends Dao>

Parameters:

c - Class of the expected object return.

statement - key to get the object from the datastore.

cache - true a cached object will suffice.

objects - objects to look up the desired object by.

Returns:

object of Class c populated.

Throws:

java.sql.SQLException

getObjects

public java.util.Collection<T> getObjects(java.lang.Class<T> c,
                                          boolean cache,
                                          java.lang.String statement,
                                          java.lang.Object... objects)
                                               throws java.sql.SQLException

Description copied from interface: ReadOnlyBroker

Gets a collection of objects from the datastore.

Specified by:

getObjects in interface ReadOnlyBroker<T extends Dao>

Parameters:

c - Class of the expected object return.

cache - true a cached object will suffice.

statement - key to get the object from the datastore.

objects - objects to look up the desired object by.

Returns:

object of Class c populated.

Throws:

java.sql.SQLException

useSQL

public void useSQL(java.lang.String statement,
                   java.lang.Object... objects)
            throws java.sql.SQLException

Specified by:

useSQL in interface TMCBroker<T extends Dao>

Throws:

java.sql.SQLException

blobHack

public void blobHack(java.lang.String lockStatement,
                     java.lang.String statement,
                     int id,
                     byte[] blobData)
              throws java.sql.SQLException

Specified by:

blobHack in interface TMCBroker<T extends Dao>

Throws:

java.sql.SQLException

connectionReport

public java.lang.String connectionReport()

Specified by:

connectionReport in interface TMCBroker<T extends Dao>