JDK 11 jdk.management.jfr.jmod - Management JFR Module

JDK 11 jdk.management.jfr.jmod is the JMOD file for JDK 11 Management Jfr module.

JDK 11 Management JFR module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\jdk.management.jfr.jmod.

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

JDK 11 Management JFR module source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\jdk.management.jfr.

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

✍: FYIcenter

jdk/management/jfr/Stream.java

/*
 * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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package jdk.management.jfr;

import java.io.BufferedInputStream;
import java.io.Closeable;
import java.io.IOException;
import java.io.InputStream;

final class Stream implements Closeable {

    private final long identifier;
    private final BufferedInputStream inputStream;
    private final byte[] buffer;

    private volatile long time;

    Stream(InputStream is, long identifier, int blockSize) {
        this.inputStream = new BufferedInputStream(is, 50000);
        this.identifier = identifier;
        this.buffer = new byte[blockSize];
    }

    private void touch() {
        time = System.currentTimeMillis();
    }

    public long getLastTouched() {
        return time;
    }

    public byte[] read() throws IOException {
        // OK to reuse buffer since this
        // is only used for serialization
        touch();
        int read = inputStream.read(buffer);
        if (read == -1) {
            // null indicate no more data
            return null;
        }
        if (read != buffer.length) {
            byte[] smallerBuffer = new byte[read];
            System.arraycopy(buffer, 0, smallerBuffer, 0, read);
            return smallerBuffer;
        }

        return buffer;
    }

    @Override
    public void close() throws IOException {
        inputStream.close();
    }

    public long getId() {
        return identifier;
    }
}

jdk/management/jfr/Stream.java

 

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