109 lines
3.9 KiB
Java
109 lines
3.9 KiB
Java
/*
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* Copyright (c) 2018, 2020, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package jdk.internal.module;
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import java.util.function.Function;
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import java.lang.module.Configuration;
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import java.lang.module.ModuleFinder;
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import jdk.internal.misc.CDS;
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/**
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* Used by ModuleBootstrap for archiving the configuration for the boot layer,
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* and the system module finder.
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*/
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class ArchivedModuleGraph {
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private static ArchivedModuleGraph archivedModuleGraph;
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private final boolean hasSplitPackages;
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private final boolean hasIncubatorModules;
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private final ModuleFinder finder;
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private final Configuration configuration;
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private final Function<String, ClassLoader> classLoaderFunction;
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private ArchivedModuleGraph(boolean hasSplitPackages,
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boolean hasIncubatorModules,
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ModuleFinder finder,
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Configuration configuration,
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Function<String, ClassLoader> classLoaderFunction) {
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this.hasSplitPackages = hasSplitPackages;
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this.hasIncubatorModules = hasIncubatorModules;
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this.finder = finder;
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this.configuration = configuration;
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this.classLoaderFunction = classLoaderFunction;
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}
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ModuleFinder finder() {
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return finder;
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}
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Configuration configuration() {
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return configuration;
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}
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Function<String, ClassLoader> classLoaderFunction() {
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return classLoaderFunction;
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}
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boolean hasSplitPackages() {
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return hasSplitPackages;
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}
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boolean hasIncubatorModules() {
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return hasIncubatorModules;
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}
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/**
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* Returns the ArchivedModuleGraph for the given initial module.
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*/
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static ArchivedModuleGraph get(String mainModule) {
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ArchivedModuleGraph graph = archivedModuleGraph;
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// We only allow the unnamed module (default) case for now
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if (mainModule == null) {
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return graph;
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} else {
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return null;
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}
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}
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/**
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* Archive the module graph for the given initial module.
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*/
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static void archive(boolean hasSplitPackages,
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boolean hasIncubatorModules,
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ModuleFinder finder,
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Configuration configuration,
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Function<String, ClassLoader> classLoaderFunction) {
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archivedModuleGraph = new ArchivedModuleGraph(hasSplitPackages,
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hasIncubatorModules,
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finder,
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configuration,
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classLoaderFunction);
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}
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static {
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CDS.initializeFromArchive(ArchivedModuleGraph.class);
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}
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}
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