JDK 11 jdk.jdeps.jmod - JDeps Tool

JDK 11 jdk.jdeps.jmod is the JMOD file for JDK 11 JDeps tool, which can be invoked by the "jdeps" command.

JDK 11 JDeps tool compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\jdk.jdeps.jmod.

JDK 11 JDeps tool compiled class files are also linked and stored in the \fyicenter\jdk-11.0.1\lib\modules JImage file.

JDK 11 JDeps tool source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\jdk.jdeps.

You can click and view the content of each source code file in the list below.

✍: FYIcenter

com/sun/tools/jdeps/ModuleGraphBuilder.java

/*
 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
 *
 *
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 *
 *
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 */

package com.sun.tools.jdeps;

import java.io.PrintWriter;
import java.lang.module.ModuleDescriptor;
import java.util.Deque;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import java.util.stream.Stream;

import static java.lang.module.ModuleDescriptor.Requires.Modifier.*;
import static com.sun.tools.jdeps.Module.*;

/**
 * A builder to create a Graph<Module>
 */
public class ModuleGraphBuilder extends Graph.Builder<Module> {
    final JdepsConfiguration config;

    ModuleGraphBuilder(JdepsConfiguration config) {
        this.config = config;
    }

    /**
     * Adds a module to the graph.
     */
    ModuleGraphBuilder addModule(Module module) {
        addNode(module);
        return this;
    }

    /**
     * Apply transitive reduction on the resulting graph
     */
    public Graph<Module> reduced() {
        Graph<Module> graph = build();
        // transitive reduction
        Graph<Module> newGraph = buildGraph(graph.edges()).reduce();

        if (DEBUG) {
            PrintWriter log = new PrintWriter(System.err);
            System.err.println("before transitive reduction: ");
            graph.printGraph(log);
            System.err.println("after transitive reduction: ");
            newGraph.printGraph(log);
        }

        return newGraph;
    }

    public Graph<Module> buildGraph() {
        Graph<Module> graph = build();
        return buildGraph(graph.edges());
    }

    /**
     * Build a graph of module from the given dependences.
     *
     * It transitively includes all implied read edges.
     */
    private Graph<Module> buildGraph(Map<Module, Set<Module>> edges) {
        Graph.Builder<Module> builder = new Graph.Builder<>();
        Set<Module> visited = new HashSet<>();
        Deque<Module> deque = new LinkedList<>();
        edges.entrySet().stream().forEach(e -> {
            Module m = e.getKey();
            deque.add(m);
            e.getValue().stream().forEach(v -> {
                deque.add(v);
                builder.addEdge(m, v);
            });
        });

        // read requires transitive from ModuleDescriptor
        Module source;
        while ((source = deque.poll()) != null) {
            if (visited.contains(source))
                continue;

            visited.add(source);
            builder.addNode(source);
            Module from = source;
            requiresTransitive(from).forEach(m -> {
                deque.add(m);
                builder.addEdge(from, m);
            });
        }
        return builder.build();
    }

    /*
     * Returns a stream of modules upon which the given module `requires transitive`
     */
    public Stream<Module> requiresTransitive(Module m) {
        // find requires transitive
        return m.descriptor()
                .requires().stream()
                .filter(req -> req.modifiers().contains(TRANSITIVE))
                .map(ModuleDescriptor.Requires::name)
                .map(config::findModule)
                .flatMap(Optional::stream);
    }
}

com/sun/tools/jdeps/ModuleGraphBuilder.java

 

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