/*
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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 legal-notices/CDDLv1_0.txt
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* or http://forgerock.org/license/CDDLv1.0.html.
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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 legal-notices/CDDLv1_0.txt.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* 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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import java.util.Collection;
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import java.util.Collections;
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/**
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* An interface which can be used to initialize the contents of a managed
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* object.
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*/
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public interface PropertyProvider {
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/**
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* A property provider which always returns empty property values,
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* indicating default behavior.
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*/
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public static final PropertyProvider DEFAULT_PROVIDER = new PropertyProvider() {
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/**
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* {@inheritDoc}
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*/
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public <T> Collection<T> getPropertyValues(PropertyDefinition<T> d) {
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return Collections.<T> emptySet();
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}
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};
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/**
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* Get the property values associated with the specified property
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* definition.
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* <p>
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* Implementations are not required to validate the values that they
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* provide. Specifically:
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* <ul>
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* <li>they do not need to guarantee that the provided values are valid
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* according to the property's syntax
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* <li>they do not need to provide values for mandatory properties
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* <li>they do not need to ensure that single-valued properties do contain
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* at most one value.
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* </ul>
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* The returned set of values is allowed to contain duplicates.
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*
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* @param <T>
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* The underlying type of the property.
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* @param d
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* The Property definition.
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* @return Returns a newly allocated set containing a copy of the property's
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* values. An empty set indicates that the property has no values
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* defined and any default behavior is applicable.
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* @throws IllegalArgumentException
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* If this property provider does not recognise the requested
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* property definition.
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*/
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<T> Collection<T> getPropertyValues(PropertyDefinition<T> d);
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}
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