JDK 11 jdk.dynalink.jmod is the JMOD file for JDK 11 Dynamic Linking module.

JDK 11 Dynamic Linking module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\jdk.dynalink.jmod.

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

JDK 11 Dynamic Linking module source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\jdk.dynalink.

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

⏎ jdk/dynalink/ClassMap.java

/*
 * Copyright (c) 2010, 2013, 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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/*
   Copyright 2009-2013 Attila Szegedi

   Redistribution and use in source and binary forms, with or without
   modification, are permitted provided that the following conditions are
   met:
   * Redistributions of source code must retain the above copyright
     notice, this list of conditions and the following disclaimer.
   * Redistributions in binary form must reproduce the above copyright
     notice, this list of conditions and the following disclaimer in the
     documentation and/or other materials provided with the distribution.
   * Neither the name of the copyright holder nor the names of
     contributors may be used to endorse or promote products derived from
     this software without specific prior written permission.

   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
   IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
   PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDER
   BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
   BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
   WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
   OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
   ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

package jdk.dynalink;

import java.lang.ref.Reference;
import java.lang.ref.SoftReference;
import java.security.AccessControlContext;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.Map;
import java.util.WeakHashMap;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import jdk.dynalink.internal.AccessControlContextFactory;
import jdk.dynalink.internal.InternalTypeUtilities;

/**
 * A dual map that can either strongly or weakly reference a given class depending on whether the class is visible from
 * a class loader or not.
 *
 * @param <T> the type of the values in the map
 */
abstract class ClassMap<T> {
    private static final AccessControlContext GET_CLASS_LOADER_CONTEXT =
            AccessControlContextFactory.createAccessControlContext("getClassLoader");

    private final ConcurrentMap<Class<?>, T> map = new ConcurrentHashMap<>();
    private final Map<Class<?>, Reference<T>> weakMap = new WeakHashMap<>();
    private final ClassLoader classLoader;

    /**
     * Creates a new class map. It will use strong references for all keys and values where the key is a class visible
     * from the class loader, and will use weak keys and soft values for all other classes.
     *
     * @param classLoader the classloader that determines strong referenceability.
     */
    ClassMap(final ClassLoader classLoader) {
        this.classLoader = classLoader;
    }

    /**
     * Compute the value associated with the given class. It is possible that the method will be invoked several times
     * (or even concurrently) for the same class parameter.
     *
     * @param clazz the class to compute the value for
     * @return the return value. Must not be null.
     */
    abstract T computeValue(Class<?> clazz);

    /**
     * Returns the value associated with the class
     *
     * @param clazz the class
     * @return the value associated with the class
     */
    T get(final Class<?> clazz) {
        // Check in fastest first - objects we're allowed to strongly reference
        final T v = map.get(clazz);
        if(v != null) {
            return v;
        }
        // Check objects we're not allowed to strongly reference
        Reference<T> ref;
        synchronized(weakMap) {
            ref = weakMap.get(clazz);
        }
        if(ref != null) {
            final T refv = ref.get();
            if(refv != null) {
                return refv;
            }
        }
        // Not found in either place; create a new value
        final T newV = computeValue(clazz);
        assert newV != null;

        final Boolean canReferenceDirectly = AccessController.doPrivileged(new PrivilegedAction<Boolean>() {
            @Override
            public Boolean run() {
                return InternalTypeUtilities.canReferenceDirectly(classLoader, clazz.getClassLoader());
            }
        }, GET_CLASS_LOADER_CONTEXT);

        // If allowed to strongly reference, put it in the fast map
        if(canReferenceDirectly) {
            final T oldV = map.putIfAbsent(clazz, newV);
            return oldV != null ? oldV : newV;
        }
        // Otherwise, put it into the weak map
        synchronized(weakMap) {
            ref = weakMap.get(clazz);
            if(ref != null) {
                final T oldV = ref.get();
                if(oldV != null) {
                    return oldV;
                }
            }
            weakMap.put(clazz, new SoftReference<>(newV));
            return newV;
        }
    }
}

⏎ jdk/dynalink/ClassMap.java

Or download all of them as a single archive file:

File name: jdk.dynalink-11.0.1-src.zip
File size: 176192 bytes
Release date: 2018-11-04
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