/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2008 Sun Microsystems, Inc.
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*/
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package org.opends.server.admin;
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/**
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* A default behavior provider which retrieves default values from a
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* parent managed object. It should be used by properties which
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* inherit their default value(s) from properties held in an other
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* managed object.
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*
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* @param <T>
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* The type of values represented by this provider.
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*/
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public final class RelativeInheritedDefaultBehaviorProvider<T> extends
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DefaultBehaviorProvider<T> {
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// The type of managed object expected at the relative offset.
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private final AbstractManagedObjectDefinition<?, ?> d;
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// The relative offset (where 1 = parent, 2 = grandparent) of the
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// managed object containing the property.
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private final int offset;
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// The name of the property containing the inherited default values.
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private final String propertyName;
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/**
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* Create a relative inherited default behavior provider associated
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* with a parent managed object.
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*
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* @param d
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* The type of parent managed object expected at the
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* relative location.
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* @param propertyName
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* The name of the property containing the inherited
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* default values.
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* @param offset
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* The relative location of the parent managed object
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* (where 0 is the managed object itself, 1 is the parent,
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* and 2 is the grand-parent).
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* @throws IllegalArgumentException
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* If the offset is less than 0.
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*/
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public RelativeInheritedDefaultBehaviorProvider(
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AbstractManagedObjectDefinition<?, ?> d, String propertyName, int offset)
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throws IllegalArgumentException {
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// We do not decode the property name now because the property
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// might not have been constructed at this point (e.g. when the
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// offset is 0).
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if (offset < 0) {
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throw new IllegalArgumentException("Negative offset");
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}
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this.d = d;
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this.propertyName = propertyName;
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this.offset = offset;
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}
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/**
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* {@inheritDoc}
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*/
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public <R, P> R accept(DefaultBehaviorProviderVisitor<T, R, P> v, P p) {
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return v.visitRelativeInherited(this, p);
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}
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/**
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* Get the definition of the parent managed object containing the
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* inherited default values.
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*
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* @return Returns the definition of the parent managed object
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* containing the inherited default values.
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*/
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public AbstractManagedObjectDefinition<?, ?> getManagedObjectDefinition() {
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return d;
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}
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/**
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* Get the absolute path of the managed object containing the
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* property which has the default values.
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*
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* @param path
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* The path of the current managed object from which the
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* relative path should be determined.
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* @return Returns the absolute path of the managed object
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* containing the property which has the default values.
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*/
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public ManagedObjectPath<?, ?> getManagedObjectPath(
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ManagedObjectPath<?, ?> path) {
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return path.parent(offset);
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}
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/**
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* Gets the name of the property containing the inherited default
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* values.
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*
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* @return Returns the name of the property containing the inherited
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* default values.
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*/
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public String getPropertyName() {
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return propertyName;
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}
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/**
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* Get the relative location of the parent managed object.
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*
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* @return Returns the relative location of the parent managed
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* object (where 0 is the managed object itself, 1 is the
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* parent, and 2 is the grand-parent).
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*/
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public int getRelativeOffset() {
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return offset;
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}
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}
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