/*
|
* CDDL HEADER START
|
*
|
* The contents of this file are subject to the terms of the
|
* Common Development and Distribution License, Version 1.0 only
|
* (the "License"). You may not use this file except in compliance
|
* with the License.
|
*
|
* You can obtain a copy of the license at
|
* trunk/opends/resource/legal-notices/OpenDS.LICENSE
|
* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
|
* See the License for the specific language governing permissions
|
* and limitations under the License.
|
*
|
* When distributing Covered Code, include this CDDL HEADER in each
|
* file and include the License file at
|
* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
|
* add the following below this CDDL HEADER, with the fields enclosed
|
* by brackets "[]" replaced with your own identifying information:
|
* Portions Copyright [yyyy] [name of copyright owner]
|
*
|
* CDDL HEADER END
|
*
|
*
|
* Portions Copyright 2007 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 an attribute type property definition.
|
*
|
* @param d
|
* The attribute type property definition to visit.
|
* @param p
|
* A visitor specified parameter.
|
* @return Returns a visitor specified result.
|
*/
|
public R visitAttributeType(AttributeTypePropertyDefinition d, P p) {
|
return visitUnknown(d, p);
|
}
|
|
|
|
/**
|
* Visit a boolean property definition.
|
*
|
* @param d
|
* The boolean property definition to visit.
|
* @param p
|
* A visitor specified parameter.
|
* @return Returns a visitor specified result.
|
*/
|
public R visitBoolean(BooleanPropertyDefinition d, P p) {
|
return visitUnknown(d, p);
|
}
|
|
|
|
/**
|
* Visit a class property definition.
|
*
|
* @param d
|
* The class property definition to visit.
|
* @param p
|
* A visitor specified parameter.
|
* @return Returns a visitor specified result.
|
*/
|
public R visitClass(ClassPropertyDefinition d, P p) {
|
return visitUnknown(d, p);
|
}
|
|
|
|
/**
|
* Visit a DN property definition.
|
*
|
* @param d
|
* The DN property definition to visit.
|
* @param p
|
* A visitor specified parameter.
|
* @return Returns a visitor specified result.
|
*/
|
public R visitDN(DNPropertyDefinition d, P p) {
|
return visitUnknown(d, p);
|
}
|
|
|
|
/**
|
* Visit a duration property definition.
|
*
|
* @param d
|
* The duration property definition to visit.
|
* @param p
|
* A visitor specified parameter.
|
* @return Returns a visitor specified result.
|
*/
|
public R visitDuration(DurationPropertyDefinition d, P p) {
|
return visitUnknown(d, p);
|
}
|
|
|
|
/**
|
* Visit an enumeration property definition.
|
*
|
* @param <E>
|
* The enumeration that should be used for values of the
|
* property definition.
|
* @param d
|
* 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> d, P p) {
|
return visitUnknown(d, p);
|
}
|
|
|
|
/**
|
* Visit an integer property definition.
|
*
|
* @param d
|
* The integer property definition to visit.
|
* @param p
|
* A visitor specified parameter.
|
* @return Returns a visitor specified result.
|
*/
|
public R visitInteger(IntegerPropertyDefinition d, P p) {
|
return visitUnknown(d, p);
|
}
|
|
|
|
/**
|
* Visit a IP address property definition.
|
*
|
* @param d
|
* The IP address property definition to visit.
|
* @param p
|
* A visitor specified parameter.
|
* @return Returns a visitor specified result.
|
*/
|
public R visitIPAddress(IPAddressPropertyDefinition d, P p) {
|
return visitUnknown(d, p);
|
}
|
|
|
|
/**
|
* Visit a IP address mask property definition.
|
*
|
* @param d
|
* The IP address mask property definition to visit.
|
* @param p
|
* A visitor specified parameter.
|
* @return Returns a visitor specified result.
|
*/
|
public R visitIPAddressMask(IPAddressMaskPropertyDefinition d, P p) {
|
return visitUnknown(d, p);
|
}
|
|
|
|
/**
|
* Visit a size property definition.
|
*
|
* @param d
|
* The size property definition to visit.
|
* @param p
|
* A visitor specified parameter.
|
* @return Returns a visitor specified result.
|
*/
|
public R visitSize(SizePropertyDefinition d, P p) {
|
return visitUnknown(d, p);
|
}
|
|
|
|
/**
|
* Visit a string property definition.
|
*
|
* @param d
|
* The string property definition to visit.
|
* @param p
|
* A visitor specified parameter.
|
* @return Returns a visitor specified result.
|
*/
|
public R visitString(StringPropertyDefinition d, P p) {
|
return visitUnknown(d, 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 d
|
* 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 R visitUnknown(PropertyDefinition<?> d, P p)
|
throws UnknownPropertyDefinitionException {
|
throw new UnknownPropertyDefinitionException(d, p);
|
}
|
|
}
|
