/*
* 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 value
. Instances of this interface are initialized lazily during the first call to their value retrieval method
. Information about the initialization state of a LazyValue
instance is available via isInitialized()
method.
Author: Marek Potociar
/**
* Lazily initialized {@link Value value}.
* <p>
* 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.
* </p>
*
* @author Marek Potociar
*/
public interface LazyValue<T> extends Value<T> {
Check if the lazy value has been initialized already (i.e. its Value.get()
method has already been called previously) or not. Returns: true
if the lazy value has already been initialized, false
otherwise.
/**
* 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();
}