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

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

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

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

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

⏎ jdk/jshell/SnippetEvent.java

/*
 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 */

package jdk.jshell;

import jdk.jshell.Snippet.Status;

/**
 * A description of a change to a Snippet. These are generated by direct changes
 * to state with {@link JShell#eval(java.lang.String) JShell.eval(String)} or
 * {@link JShell#drop(jdk.jshell.Snippet) JShell.drop(Snippet)},
 * or indirectly by these same methods as
 * dependencies change or Snippets are overwritten. For direct changes, the
 * {@link SnippetEvent#causeSnippet()} is {@code null}.
 * <p>
 * {@code SnippetEvent} is immutable: an access to
 * any of its methods will always return the same result.
 * and thus is thread-safe.
 *
 * @author Robert Field
 * @since 9
 */
public class SnippetEvent {

    SnippetEvent(Snippet snippet, Status previousStatus, Status status,
            boolean isSignatureChange, Snippet causeSnippet,
            String value, JShellException exception) {
        this.snippet = snippet;
        this.previousStatus = previousStatus;
        this.status = status;
        this.isSignatureChange = isSignatureChange;
        this.causeSnippet = causeSnippet;
        this.value = value;
        this.exception = exception;
    }

    private final Snippet snippet;
    private final Status previousStatus;
    private final Status status;
    private final boolean isSignatureChange;
    private final Snippet causeSnippet;
    private final String value;
    private final JShellException exception;

    /**
     * The Snippet which has changed
     * @return the return the Snippet whose {@code Status} has changed.
     */
    public Snippet snippet() {
        return snippet;
    }

    /**
     * The status before the transition. If this event describes a Snippet
     * creation return {@link Snippet.Status#NONEXISTENT NONEXISTENT}.
     * @return the previousStatus
     */
    public Status previousStatus() {
        return previousStatus;
    }

    /**
     * The after status. Note: this may be the same as the previous status (not
     * all changes cause a {@code Status} change.
     * @return the status
     */
    public Status status() {
        return status;
    }

    /**
     * Indicates whether the signature has changed. Coming in or out of
     * {@linkplain Status#isDefined() definition} is always a signature change.
     * An overwritten Snippet
     * {@link jdk.jshell.Snippet.Status#OVERWRITTEN (status == OVERWRITTEN)}
     * is always {@code false} as responsibility for the
     * definition has passed to the overwriting definition.
     *
     * @return {@code true} if the signature changed; otherwise {@code false}
     */
    public boolean isSignatureChange() {
        return isSignatureChange;
    }

    /**
     * Either the snippet whose change caused this update or
     * {@code null}. This returns {@code null} if this change is the
     * creation of a new Snippet via
     * {@link jdk.jshell.JShell#eval(java.lang.String) eval} or it is the
     * explicit drop of a Snippet with
     * {@link jdk.jshell.JShell#drop(jdk.jshell.Snippet) drop}.
     *
     * @return the Snippet which caused this change or {@code null} if
     * directly caused by an API action.
     */
    public Snippet causeSnippet() {
        return causeSnippet;
    }

    /**
     * An instance of {@link jdk.jshell.UnresolvedReferenceException}, if an unresolved reference was
     * encountered, or an instance of {@link jdk.jshell.EvalException} if an exception was thrown
     * during execution, otherwise {@code null}.
     * @return the exception or {@code null}.
     */
    public JShellException exception() {
        return exception;
    }

    /**
     * The result value of successful run. The value is null if not executed
     * or an exception was thrown.
     * @return the value or {@code null}.
     */
    public String value() {
        return value;
    }

    /**
     * Return a string representation of the event
     * @return a descriptive representation of the SnippetEvent
     */
    @Override
    public String toString() {
        return "SnippetEvent(snippet=" + snippet +
                ",previousStatus=" + previousStatus +
                ",status=" + status +
                ",isSignatureChange=" + isSignatureChange +
                ",causeSnippet" + causeSnippet +
                (value == null? "" : "value=" + value) +
                (exception == null? "" : "exception=" + exception) +
                ")";
    }
}

⏎ jdk/jshell/SnippetEvent.java

Or download all of them as a single archive file:

File name: jdk.jshell-11.0.1-src.zip
File size: 283093 bytes
Release date: 2018-11-04
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