oracle.javatools.db.property
Class PropertyInitializer

java.lang.Object
  oracle.javatools.db.property.PropertyInitializer

Direct Known Subclasses:

UserPropertyInitializer

public abstract class PropertyInitializer
extends java.lang.Object

Nested Class Summary

static class

PropertyInitializer.InitializationVeto For a particular DBObject instance and property name, a PropertyInitializer may choose to veto providing an initial value by throwing a PropertyInitializer.InitializationVeto exception.

Constructor Summary

protected

PropertyInitializer(DBObjectProvider pro) NB Sub-classes must provide a DBObjectProvider on instantiation

Method Summary

abstract java.lang.Object	getPropertyInitialValue(DBObject obj, java.lang.String propertyName)
abstract java.lang.String[]	getPropertyNames(java.lang.Class<? extends DBObject> clz)
protected DBObjectProvider	getProvider()

Methods inherited from class java.lang.Object

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

Constructor Detail

PropertyInitializer

protected PropertyInitializer(DBObjectProvider pro)

NB Sub-classes must provide a DBObjectProvider on instantiation

Method Detail

getProvider

protected final DBObjectProvider getProvider()

Returns:

the current DBObjectProvider

getPropertyNames

public abstract java.lang.String[] getPropertyNames(java.lang.Class<? extends DBObject> clz)

Parameters:

clz - the class of object for which supported properties are being requested.

Returns:

the names of properties for DBObjects of the the given class for which this PropertyInitializer will provide an initial value.

getPropertyInitialValue

public abstract java.lang.Object getPropertyInitialValue(DBObject obj,
                                                         java.lang.String propertyName)
                                                  throws PropertyInitializer.InitializationVeto

Returns:

the initial value of the property of the given name for the given DBObject, or throw a PropertyInitializer.InitializationVeto exception.

Throws:

PropertyInitializer.InitializationVeto