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*
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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*
* Copyright 2008-2009 Sun Microsystems, Inc.
*/
package org.opends.server.admin;
/**
* A visitor of property definitions, in the style of the visitor
* design pattern. Classes implementing this interface can query
* property definitions in a type-safe manner when the kind of
* property definition is unknown at compile time. When a visitor is
* passed to a property definition's accept method, the corresponding
* visit method most applicable to that property definition is
* invoked.
* <p>
* Each <code>visitXXX</code> method is provided with a default
* implementation which calls
* {@link #visitUnknown(PropertyDefinition, Object)}. Sub-classes can
* override any or all of the methods to provide their own
* type-specific behavior.
*
* @param <R>
* The return type of this visitor's methods. Use
* {@link java.lang.Void} for visitors that do not need to
* return results.
* @param <P>
* The type of the additional parameter to this visitor's
* methods. Use {@link java.lang.Void} for visitors that do
* not need an additional parameter.
*/
public abstract class PropertyDefinitionVisitor<R, P> {
/**
* Default constructor.
*/
protected PropertyDefinitionVisitor() {
// No implementation required.
}
/**
* Visit a dseecompat Global ACI property definition.
*
* @param pd
* The Global ACI property definition to visit.
* @param p
* A visitor specified parameter.
* @return Returns a visitor specified result.
*/
public R visitACI(ACIPropertyDefinition pd, P p) {
return visitUnknown(pd, p);
}
/**
* Visit an aggregation property definition.
*
* @param <C>
* The type of client managed object configuration that
* this aggregation property definition refers to.
* @param <S>
* The type of server managed object configuration that
* this aggregation property definition refers to.
* @param pd
* The aggregation property definition to visit.
* @param p
* A visitor specified parameter.
* @return Returns a visitor specified result.
*/
public <C extends ConfigurationClient, S extends Configuration>
R visitAggregation(AggregationPropertyDefinition<C, S> pd, P p) {
return visitUnknown(pd, p);
}
/**
* Visit an attribute type property definition.
*
* @param pd
* The attribute type property definition to visit.
* @param p
* A visitor specified parameter.
* @return Returns a visitor specified result.
*/
public R visitAttributeType(AttributeTypePropertyDefinition pd, P p) {
return visitUnknown(pd, p);
}
/**
* Visit a boolean property definition.
*
* @param pd
* The boolean property definition to visit.
* @param p
* A visitor specified parameter.
* @return Returns a visitor specified result.
*/
public R visitBoolean(BooleanPropertyDefinition pd, P p) {
return visitUnknown(pd, p);
}
/**
* Visit a class property definition.
*
* @param pd
* The class property definition to visit.
* @param p
* A visitor specified parameter.
* @return Returns a visitor specified result.
*/
public R visitClass(ClassPropertyDefinition pd, P p) {
return visitUnknown(pd, p);
}
/**
* Visit a DN property definition.
*
* @param pd
* The DN property definition to visit.
* @param p
* A visitor specified parameter.
* @return Returns a visitor specified result.
*/
public R visitDN(DNPropertyDefinition pd, P p) {
return visitUnknown(pd, p);
}
/**
* Visit a duration property definition.
*
* @param pd
* The duration property definition to visit.
* @param p
* A visitor specified parameter.
* @return Returns a visitor specified result.
*/
public R visitDuration(DurationPropertyDefinition pd, P p) {
return visitUnknown(pd, p);
}
/**
* Visit an enumeration property definition.
*
* @param <E>
* The enumeration that should be used for values of the
* property definition.
* @param pd
* The enumeration property definition to visit.
* @param p
* A visitor specified parameter.
* @return Returns a visitor specified result.
*/
public <E extends Enum<E>> R visitEnum(EnumPropertyDefinition<E> pd, P p) {
return visitUnknown(pd, p);
}
/**
* Visit an integer property definition.
*
* @param pd
* The integer property definition to visit.
* @param p
* A visitor specified parameter.
* @return Returns a visitor specified result.
*/
public R visitInteger(IntegerPropertyDefinition pd, P p) {
return visitUnknown(pd, p);
}
/**
* Visit a IP address property definition.
*
* @param pd
* The IP address property definition to visit.
* @param p
* A visitor specified parameter.
* @return Returns a visitor specified result.
*/
public R visitIPAddress(IPAddressPropertyDefinition pd, P p) {
return visitUnknown(pd, p);
}
/**
* Visit a IP address mask property definition.
*
* @param pd
* The IP address mask property definition to visit.
* @param p
* A visitor specified parameter.
* @return Returns a visitor specified result.
*/
public R visitIPAddressMask(IPAddressMaskPropertyDefinition pd, P p) {
return visitUnknown(pd, p);
}
/**
* Visit a size property definition.
*
* @param pd
* The size property definition to visit.
* @param p
* A visitor specified parameter.
* @return Returns a visitor specified result.
*/
public R visitSize(SizePropertyDefinition pd, P p) {
return visitUnknown(pd, p);
}
/**
* Visit a string property definition.
*
* @param pd
* The string property definition to visit.
* @param p
* A visitor specified parameter.
* @return Returns a visitor specified result.
*/
public R visitString(StringPropertyDefinition pd, P p) {
return visitUnknown(pd, p);
}
/**
* Visit an unknown type of property definition. Implementations of
* this method can provide default behavior for unknown property
* definition types.
* <p>
* The default implementation of this method throws an
* {@link UnknownPropertyDefinitionException}. Sub-classes can
* override this method with their own default behavior.
*
* @param <T>
* The type of the underlying property.
* @param pd
* The property definition to visit.
* @param p
* A visitor specified parameter.
* @return Returns a visitor specified result.
* @throws UnknownPropertyDefinitionException
* Visitor implementations may optionally throw this
* exception.
*/
public <T> R visitUnknown(PropertyDefinition<T> pd, P p)
throws UnknownPropertyDefinitionException {
throw new UnknownPropertyDefinitionException(pd, p);
}
}