/*
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* The contents of this file are subject to the terms of the Common Development and
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* Distribution License (the License). You may not use this file except in compliance with the
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* License.
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*
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* You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
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* specific language governing permission and limitations under the License.
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*
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* When distributing Covered Software, include this CDDL Header Notice in each file and include
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* the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
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* Header, with the fields enclosed by brackets [] replaced by your own identifying
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* information: "Portions Copyright [year] [name of copyright owner]".
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*
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* Copyright 2008 Sun Microsystems, Inc.
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*/
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package org.forgerock.opendj.config.client.spi;
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import java.util.SortedSet;
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import org.forgerock.opendj.config.PropertyDefinition;
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/**
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* A managed object property comprising of the property's definition and its set
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* of values.
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* <p>
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* The property stores the values in a sorted set in which values are compared
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* using the comparator defined by the property definition.
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* <p>
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* The property keeps track of whether or not its pending set of values differs
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* from its active values.
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*
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* @param <T>
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* The type of the property.
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*/
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public interface Property<T> {
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/**
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* Get an immutable set view of this property's active values.
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*
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* @return Returns an immutable set view of this property's active values.
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* An empty set indicates that there are no active values, and any
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* default values are applicable.
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*/
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SortedSet<T> getActiveValues();
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/**
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* Get an immutable set view of this property's default values.
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*
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* @return Returns an immutable set view of this property's default values.
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* An empty set indicates that there are no default values.
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*/
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SortedSet<T> getDefaultValues();
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/**
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* Get an immutable set view of this property's effective values.
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*
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* @return Returns an immutable set view of this property's effective
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* values.
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*/
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SortedSet<T> getEffectiveValues();
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/**
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* Get an immutable set view of this property's pending values.
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* <p>
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* Immediately after construction, the pending values matches the active
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* values.
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*
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* @return Returns an immutable set view of this property's pending values.
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* An empty set indicates that there are no pending values, and any
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* default values are applicable.
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*/
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SortedSet<T> getPendingValues();
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/**
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* Get the property definition associated with this property.
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*
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* @return Returns the property definition associated with this property.
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*/
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PropertyDefinition<T> getPropertyDefinition();
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/**
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* Determines whether or not this property contains any pending values.
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*
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* @return Returns <code>true</code> if this property does not contain any
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* pending values.
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*/
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boolean isEmpty();
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/**
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* Determines whether or not this property has been modified since it was
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* constructed. In other words, whether or not the set of pending values
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* differs from the set of active values.
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*
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* @return Returns <code>true</code> if this property has been modified
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* since it was constructed.
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*/
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boolean isModified();
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/**
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* Determines whether or not this property contains any active values.
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*
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* @return Returns <code>true</code> if this property does not contain any
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* active values.
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*/
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boolean wasEmpty();
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}
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