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/*
* Copyright (c) 2013, 2019 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package org.glassfish.jersey.internal.util.collection;
/**
* Lazily initialized {@link Value value}.
*
* Instances of this interface are initialized lazily during the first call to their
* {@link #get() value retrieval method}. Information about the initialization state
* of a {@code LazyValue} instance is available via {@link #isInitialized()} method.
*
*
* @author Marek Potociar
*/
public interface LazyValue extends Value {
/**
* Check if the lazy value has been initialized already (i.e. its {@link #get()} method
* has already been called previously) or not.
*
* @return {@code true} if the lazy value has already been initialized, {@code false} otherwise.
*/
boolean isInitialized();
}