jdk/src/java.management/share/classes/com/sun/management/ThreadMXBean.java
changeset 30365 551470085a1d
parent 30073 989253a902c3
parent 30364 429945d7189c
child 30366 74651100cf08
child 30664 337397328b72
--- a/jdk/src/java.management/share/classes/com/sun/management/ThreadMXBean.java	Wed Jul 05 20:31:05 2017 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,222 +0,0 @@
-/*
- * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package com.sun.management;
-
-import java.util.Map;
-
-/**
- * Platform-specific management interface for the thread system
- * of the Java virtual machine.
- * <p>
- * This platform extension is only available to a thread
- * implementation that supports this extension.
- *
- * @author  Paul Hohensee
- * @since   6u25
- */
-
-@jdk.Exported
-public interface ThreadMXBean extends java.lang.management.ThreadMXBean {
-    /**
-     * Returns the total CPU time for each thread whose ID is
-     * in the input array {@code ids} in nanoseconds.
-     * The returned values are of nanoseconds precision but
-     * not necessarily nanoseconds accuracy.
-     * <p>
-     * This method is equivalent to calling the
-     * {@link ThreadMXBean#getThreadCpuTime(long)}
-     * method for each thread ID in the input array {@code ids} and setting the
-     * returned value in the corresponding element of the returned array.
-     *
-     * @param ids an array of thread IDs.
-     * @return an array of long values, each of which is the amount of CPU
-     * time the thread whose ID is in the corresponding element of the input
-     * array of IDs has used,
-     * if the thread of a specified ID exists, the thread is alive,
-     * and CPU time measurement is enabled;
-     * {@code -1} otherwise.
-     *
-     * @throws NullPointerException if {@code ids} is {@code null}
-     * @throws IllegalArgumentException if any element in the input array
-     *         {@code ids} is {@code <=} {@code 0}.
-     * @throws java.lang.UnsupportedOperationException if the Java
-     *         virtual machine implementation does not support CPU time
-     *         measurement.
-     *
-     * @see ThreadMXBean#getThreadCpuTime(long)
-     * @see #getThreadUserTime
-     * @see ThreadMXBean#isThreadCpuTimeSupported
-     * @see ThreadMXBean#isThreadCpuTimeEnabled
-     * @see ThreadMXBean#setThreadCpuTimeEnabled
-     */
-    public long[] getThreadCpuTime(long[] ids);
-
-    /**
-     * Returns the CPU time that each thread whose ID is in the input array
-     * {@code ids} has executed in user mode in nanoseconds.
-     * The returned values are of nanoseconds precision but
-     * not necessarily nanoseconds accuracy.
-     * <p>
-     * This method is equivalent to calling the
-     * {@link ThreadMXBean#getThreadUserTime(long)}
-     * method for each thread ID in the input array {@code ids} and setting the
-     * returned value in the corresponding element of the returned array.
-     *
-     * @param ids an array of thread IDs.
-     * @return an array of long values, each of which is the amount of user
-     * mode CPU time the thread whose ID is in the corresponding element of
-     * the input array of IDs has used,
-     * if the thread of a specified ID exists, the thread is alive,
-     * and CPU time measurement is enabled;
-     * {@code -1} otherwise.
-     *
-     * @throws NullPointerException if {@code ids} is {@code null}
-     * @throws IllegalArgumentException if any element in the input array
-     *         {@code ids} is {@code <=} {@code 0}.
-     * @throws java.lang.UnsupportedOperationException if the Java
-     *         virtual machine implementation does not support CPU time
-     *         measurement.
-     *
-     * @see ThreadMXBean#getThreadUserTime(long)
-     * @see #getThreadCpuTime
-     * @see ThreadMXBean#isThreadCpuTimeSupported
-     * @see ThreadMXBean#isThreadCpuTimeEnabled
-     * @see ThreadMXBean#setThreadCpuTimeEnabled
-     */
-    public long[] getThreadUserTime(long[] ids);
-
-    /**
-     * Returns an approximation of the total amount of memory, in bytes,
-     * allocated in heap memory for the thread of the specified ID.
-     * The returned value is an approximation because some Java virtual machine
-     * implementations may use object allocation mechanisms that result in a
-     * delay between the time an object is allocated and the time its size is
-     * recorded.
-     * <p>
-     * If the thread of the specified ID is not alive or does not exist,
-     * this method returns {@code -1}. If thread memory allocation measurement
-     * is disabled, this method returns {@code -1}.
-     * A thread is alive if it has been started and has not yet died.
-     * <p>
-     * If thread memory allocation measurement is enabled after the thread has
-     * started, the Java virtual machine implementation may choose any time up
-     * to and including the time that the capability is enabled as the point
-     * where thread memory allocation measurement starts.
-     *
-     * @param id the thread ID of a thread
-     * @return an approximation of the total memory allocated, in bytes, in
-     * heap memory for a thread of the specified ID
-     * if the thread of the specified ID exists, the thread is alive,
-     * and thread memory allocation measurement is enabled;
-     * {@code -1} otherwise.
-     *
-     * @throws IllegalArgumentException if {@code id} {@code <=} {@code 0}.
-     * @throws java.lang.UnsupportedOperationException if the Java virtual
-     *         machine implementation does not support thread memory allocation
-     *         measurement.
-     *
-     * @see #isThreadAllocatedMemorySupported
-     * @see #isThreadAllocatedMemoryEnabled
-     * @see #setThreadAllocatedMemoryEnabled
-     */
-    public long getThreadAllocatedBytes(long id);
-
-    /**
-     * Returns an approximation of the total amount of memory, in bytes,
-     * allocated in heap memory for each thread whose ID is in the input
-     * array {@code ids}.
-     * The returned values are approximations because some Java virtual machine
-     * implementations may use object allocation mechanisms that result in a
-     * delay between the time an object is allocated and the time its size is
-     * recorded.
-     * <p>
-     * This method is equivalent to calling the
-     * {@link #getThreadAllocatedBytes(long)}
-     * method for each thread ID in the input array {@code ids} and setting the
-     * returned value in the corresponding element of the returned array.
-     *
-     * @param ids an array of thread IDs.
-     * @return an array of long values, each of which is an approximation of
-     * the total memory allocated, in bytes, in heap memory for the thread
-     * whose ID is in the corresponding element of the input array of IDs.
-     *
-     * @throws NullPointerException if {@code ids} is {@code null}
-     * @throws IllegalArgumentException if any element in the input array
-     *         {@code ids} is {@code <=} {@code 0}.
-     * @throws java.lang.UnsupportedOperationException if the Java virtual
-     *         machine implementation does not support thread memory allocation
-     *         measurement.
-     *
-     * @see #getThreadAllocatedBytes(long)
-     * @see #isThreadAllocatedMemorySupported
-     * @see #isThreadAllocatedMemoryEnabled
-     * @see #setThreadAllocatedMemoryEnabled
-     */
-    public long[] getThreadAllocatedBytes(long[] ids);
-
-    /**
-     * Tests if the Java virtual machine implementation supports thread memory
-     * allocation measurement.
-     *
-     * @return
-     *   {@code true}
-     *     if the Java virtual machine implementation supports thread memory
-     *     allocation measurement;
-     *   {@code false} otherwise.
-     */
-    public boolean isThreadAllocatedMemorySupported();
-
-    /**
-     * Tests if thread memory allocation measurement is enabled.
-     *
-     * @return {@code true} if thread memory allocation measurement is enabled;
-     *         {@code false} otherwise.
-     *
-     * @throws java.lang.UnsupportedOperationException if the Java virtual
-     *         machine does not support thread memory allocation measurement.
-     *
-     * @see #isThreadAllocatedMemorySupported
-     */
-    public boolean isThreadAllocatedMemoryEnabled();
-
-    /**
-     * Enables or disables thread memory allocation measurement.  The default
-     * is platform dependent.
-     *
-     * @param enable {@code true} to enable;
-     *               {@code false} to disable.
-     *
-     * @throws java.lang.UnsupportedOperationException if the Java virtual
-     *         machine does not support thread memory allocation measurement.
-     *
-     * @throws java.lang.SecurityException if a security manager
-     *         exists and the caller does not have
-     *         ManagementPermission("control").
-     *
-     * @see #isThreadAllocatedMemorySupported
-     */
-    public void setThreadAllocatedMemoryEnabled(boolean enable);
-}