net.walend.lyophil.jdbc
Class JDBCCaster

java.lang.Object
  |
  +--net.walend.lyophil.jdbc.JDBCCaster

All Implemented Interfaces:

Caster

public class JDBCCaster

extends java.lang.Object

implements Caster

This class implements a simple Caster for jdbc based systems.

Since:

12-26-2000

Author:

David Walend

Field Summary

protected MutableMap	interfacesToWhereClauses
protected Map	rolesToConcreteTrays
static java.lang.String	SQLPROPERTYKEY
protected Map	trayClassesToTrays

Fields inherited from interface net.walend.lyophil.Caster

CASTER

Constructor Summary

JDBCCaster()

Method Summary

boolean	checkSetUp() make sure the backing storage is set up correctly
int	count() count the Freezables in the freezer.
int	countByClass(java.lang.Class interf) Count the number of freezables that implement this interf.
Set	findByClass(java.lang.Class interf) Returns the Set of Freezables in the Freezer that can be cast to interf.
java.lang.Class	findInterfaceForFreezable(Freezable freezable) Returns the working interface for the freezable.
private java.lang.Class	findInterfaceForFreezableFromProperties(Freezable freezable)
java.lang.Class	findInterfaceForIdentifier(java.io.Serializable id) Returns the working interface for the object pointed at by identifier.
protected ConcreteTray	findTrayForIdentifier(java.io.Serializable id)
void	freeze(Freezable freezable) Add a freezable to the Caster's collection if it isn't already there.
Set	getAllIdentifiers() Get a Set containing all the identifiers in the Freezer.
protected PropertySource	getCasterPropertySource()
protected java.lang.String	getDatabaseName()
protected Mother	getMother()
protected PropertySource	getPropertySource()
protected ConcreteTray	getTrayForFreezable(Freezable victem)
private ConcreteTray	getTrayForIdentifier(java.io.Serializable id)
ConcreteTray	getTrayForRole(java.lang.String role)
protected ConcreteTray	getTrayForTrayClass(java.lang.Class trayClass)
protected java.lang.String	getWhereClauseFor(java.lang.Class interf)
boolean	isAbsent(java.io.Serializable id) Return true if identifier is available in the frozen medium.
boolean	isPresent(java.io.Serializable id) Return true if identifier is available in the frozen medium.
void	setUp() set up the backing storage
void	tearDown() clean up the backing storage
Freezable	thaw(java.io.Serializable id) Thaw out a freezable.
void	throwOut(java.io.Serializable id) Remove a freezable from the Caster's collection
void	validate(java.io.Serializable id, InvalidFrozenMap ifm) Validates identifier.
void	validateAll(InvalidFrozenMap ifm) Validates all the identifiers in the Caster.

Methods inherited from class java.lang.Object

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

Field Detail

SQLPROPERTYKEY

public static final java.lang.String SQLPROPERTYKEY

rolesToConcreteTrays

protected Map rolesToConcreteTrays

trayClassesToTrays

protected Map trayClassesToTrays

interfacesToWhereClauses

protected MutableMap interfacesToWhereClauses

Constructor Detail

JDBCCaster

public JDBCCaster()

Method Detail

getDatabaseName

protected java.lang.String getDatabaseName()

getPropertySource

protected PropertySource getPropertySource()

getCasterPropertySource

protected PropertySource getCasterPropertySource()

getMother

protected Mother getMother()

getTrayForIdentifier

private ConcreteTray getTrayForIdentifier(java.io.Serializable id)
                                   throws NotInFreezerException

getTrayForFreezable

protected ConcreteTray getTrayForFreezable(Freezable victem)

getTrayForRole

public ConcreteTray getTrayForRole(java.lang.String role)

getTrayForTrayClass

protected ConcreteTray getTrayForTrayClass(java.lang.Class trayClass)

findInterfaceForIdentifier

public java.lang.Class findInterfaceForIdentifier(java.io.Serializable id)
                                           throws NotInFreezerException

Description copied from interface: Caster

Returns the working interface for the object pointed at by identifier.

Specified by:

findInterfaceForIdentifier in interface Caster

findInterfaceForFreezableFromProperties

private java.lang.Class findInterfaceForFreezableFromProperties(Freezable freezable)

findInterfaceForFreezable

public java.lang.Class findInterfaceForFreezable(Freezable freezable)

Description copied from interface: Caster

Returns the working interface for the freezable.

Specified by:

findInterfaceForFreezable in interface Caster

freeze

public void freeze(Freezable freezable)

Description copied from interface: Caster

Add a freezable to the Caster's collection if it isn't already there.

Specified by:

freeze in interface Caster

thaw

public Freezable thaw(java.io.Serializable id)
               throws NotInFreezerException

Description copied from interface: Caster

Thaw out a freezable.

Specified by:

thaw in interface Caster

throwOut

public void throwOut(java.io.Serializable id)
              throws NotInFreezerException

Description copied from interface: Caster

Remove a freezable from the Caster's collection

Specified by:

throwOut in interface Caster

validate

public void validate(java.io.Serializable id,
                     InvalidFrozenMap ifm)

Description copied from interface: Caster

Validates identifier.

Specified by:

validate in interface Caster

validateAll

public void validateAll(InvalidFrozenMap ifm)

Description copied from interface: Caster

Validates all the identifiers in the Caster.

Specified by:

validateAll in interface Caster

isAbsent

public boolean isAbsent(java.io.Serializable id)

Description copied from interface: Caster

Return true if identifier is available in the frozen medium.

Specified by:

isAbsent in interface Caster

isPresent

public boolean isPresent(java.io.Serializable id)

Description copied from interface: Caster

Return true if identifier is available in the frozen medium.

Specified by:

isPresent in interface Caster

getAllIdentifiers

public Set getAllIdentifiers()

Description copied from interface: Caster

Get a Set containing all the identifiers in the Freezer.

Specified by:

getAllIdentifiers in interface Caster

count

public int count()

Description copied from interface: Caster

count the Freezables in the freezer.

Specified by:

count in interface Caster

getWhereClauseFor

protected java.lang.String getWhereClauseFor(java.lang.Class interf)

countByClass

public int countByClass(java.lang.Class interf)

Description copied from interface: Caster

Count the number of freezables that implement this interf.

Specified by:

countByClass in interface Caster

findByClass

public Set findByClass(java.lang.Class interf)

Description copied from interface: Caster

Returns the Set of Freezables in the Freezer that can be cast to interf.

Specified by:

findByClass in interface Caster

checkSetUp

public boolean checkSetUp()

Description copied from interface: Caster

make sure the backing storage is set up correctly

Specified by:

checkSetUp in interface Caster

setUp

public void setUp()

Description copied from interface: Caster

set up the backing storage

Specified by:

setUp in interface Caster

tearDown

public void tearDown()

Description copied from interface: Caster

clean up the backing storage

Specified by:

tearDown in interface Caster

findTrayForIdentifier

protected ConcreteTray findTrayForIdentifier(java.io.Serializable id)
                                      throws NotInFreezerException