ch.agent.crnickl.impl

Class UpdatablePropertyImpl<T>

java.lang.Object

ch.agent.crnickl.impl.DBObjectImpl

ch.agent.crnickl.impl.PropertyImpl<T>

ch.agent.crnickl.impl.UpdatablePropertyImpl<T>

Type Parameters:

T - the underlying data type of attributes having this property

All Implemented Interfaces:

DBObject, Property<T>, Updatable, UpdatableProperty<T>

public class UpdatablePropertyImpl<T>
extends PropertyImpl<T>
implements UpdatableProperty<T>

Default implementation of UpdatableProperty.

Author:

Jean-Paul Vetterli

Constructor Summary

Constructors

Constructor and Description
UpdatablePropertyImpl(String name, ValueType<T> valueType, boolean indexed, Surrogate surrogate) Construct an UpdatableProperty.

Method Summary

Modifier and Type	Method and Description
void	applyUpdates() Apply pending updates.
void	destroy() Destroy the property.
UpdatableProperty<T>	edit() Return an UpdatableProperty corresponding to this property.
String	getName() Return the name of the property.
void	setName(String name) Set the name of the property.
protected void	update() Refresh state.

Methods inherited from class ch.agent.crnickl.impl.PropertyImpl

check, getChronicles, getValueType, isIndexed, scan, toString, typeCheck

Methods inherited from class ch.agent.crnickl.impl.DBObjectImpl

equals, getDatabase, getId, getSurrogate, hashCode, inConstruction, isValid

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface ch.agent.crnickl.api.Property

check, getChronicles, getValueType, isIndexed, scan, typeCheck

Methods inherited from interface ch.agent.crnickl.api.DBObject

getDatabase, getId, getSurrogate, inConstruction, isValid

Constructor Detail

UpdatablePropertyImpl

public UpdatablePropertyImpl(String name,
                             ValueType<T> valueType,
                             boolean indexed,
                             Surrogate surrogate)

Construct an UpdatableProperty.

Parameters:

name - a string

valueType - a value type

indexed - true if the property is suitable for searches

surrogate - a surrogate

Method Detail

update

protected void update()

Description copied from class: PropertyImpl

Refresh state.

Overrides:

update in class PropertyImpl<T>

edit

public UpdatableProperty<T> edit()

Description copied from interface: Property

Return an UpdatableProperty corresponding to this property. Successfully getting an Updatable object does not imply that updates can be successfully applied.

Specified by:

edit in interface Property<T>

Overrides:

edit in class PropertyImpl<T>

Returns:

an updatable property corresponding to this property

applyUpdates

public void applyUpdates()
                  throws T2DBException

Description copied from interface: Updatable

Apply pending updates. Any error, including lack of authorization, results in an exception being thrown. This method does not manage transactions nor does it impose transaction boundaries. The management of transactions using Database.commit() and Database.rollback() is the client's responsibility.

Specified by:

applyUpdates in interface Updatable

Throws:

T2DBException

getName

public String getName()

Description copied from interface: Property

Return the name of the property.

Specified by:

getName in interface Property<T>

Overrides:

getName in class PropertyImpl<T>

Returns:

the name of the property

setName

public void setName(String name)
             throws T2DBException

Description copied from interface: UpdatableProperty

Set the name of the property.

Specified by:

setName in interface UpdatableProperty<T>

Parameters:

name - a string

Throws:

T2DBException

destroy

public void destroy()
             throws T2DBException

Description copied from interface: UpdatableProperty

Destroy the property. The operation fails if the property is used in a schema.

Specified by:

destroy in interface UpdatableProperty<T>

Throws:

T2DBException