--- a/jdk/src/java.management/share/classes/com/sun/management/GcInfo.java Thu May 07 20:50:57 2015 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,288 +0,0 @@
-/*
- * Copyright (c) 2003, 2014, 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.lang.management.MemoryUsage;
-import javax.management.openmbean.CompositeData;
-import javax.management.openmbean.CompositeDataView;
-import javax.management.openmbean.CompositeType;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.List;
-import sun.management.GcInfoCompositeData;
-import sun.management.GcInfoBuilder;
-
-/**
- * Garbage collection information. It contains the following
- * information for one garbage collection as well as GC-specific
- * attributes:
- * <blockquote>
- * <ul>
- * <li>Start time</li>
- * <li>End time</li>
- * <li>Duration</li>
- * <li>Memory usage before the collection starts</li>
- * <li>Memory usage after the collection ends</li>
- * </ul>
- * </blockquote>
- *
- * <p>
- * {@code GcInfo} is a {@link CompositeData CompositeData}
- * The GC-specific attributes can be obtained via the CompositeData
- * interface. This is a historical relic, and other classes should
- * not copy this pattern. Use {@link CompositeDataView} instead.
- *
- * <h4>MXBean Mapping</h4>
- * {@code GcInfo} is mapped to a {@link CompositeData CompositeData}
- * with attributes as specified in the {@link #from from} method.
- *
- * @author Mandy Chung
- * @since 1.5
- */
-@jdk.Exported
-public class GcInfo implements CompositeData, CompositeDataView {
- private final long index;
- private final long startTime;
- private final long endTime;
- private final Map<String, MemoryUsage> usageBeforeGc;
- private final Map<String, MemoryUsage> usageAfterGc;
- private final Object[] extAttributes;
- private final CompositeData cdata;
- private final GcInfoBuilder builder;
-
- private GcInfo(GcInfoBuilder builder,
- long index, long startTime, long endTime,
- MemoryUsage[] muBeforeGc,
- MemoryUsage[] muAfterGc,
- Object[] extAttributes) {
- this.builder = builder;
- this.index = index;
- this.startTime = startTime;
- this.endTime = endTime;
- String[] poolNames = builder.getPoolNames();
- this.usageBeforeGc = new HashMap<String, MemoryUsage>(poolNames.length);
- this.usageAfterGc = new HashMap<String, MemoryUsage>(poolNames.length);
- for (int i = 0; i < poolNames.length; i++) {
- this.usageBeforeGc.put(poolNames[i], muBeforeGc[i]);
- this.usageAfterGc.put(poolNames[i], muAfterGc[i]);
- }
- this.extAttributes = extAttributes;
- this.cdata = new GcInfoCompositeData(this, builder, extAttributes);
- }
-
- private GcInfo(CompositeData cd) {
- GcInfoCompositeData.validateCompositeData(cd);
-
- this.index = GcInfoCompositeData.getId(cd);
- this.startTime = GcInfoCompositeData.getStartTime(cd);
- this.endTime = GcInfoCompositeData.getEndTime(cd);
- this.usageBeforeGc = GcInfoCompositeData.getMemoryUsageBeforeGc(cd);
- this.usageAfterGc = GcInfoCompositeData.getMemoryUsageAfterGc(cd);
- this.extAttributes = null;
- this.builder = null;
- this.cdata = cd;
- }
-
- /**
- * Returns the identifier of this garbage collection which is
- * the number of collections that this collector has done.
- *
- * @return the identifier of this garbage collection which is
- * the number of collections that this collector has done.
- */
- public long getId() {
- return index;
- }
-
- /**
- * Returns the start time of this GC in milliseconds
- * since the Java virtual machine was started.
- *
- * @return the start time of this GC.
- */
- public long getStartTime() {
- return startTime;
- }
-
- /**
- * Returns the end time of this GC in milliseconds
- * since the Java virtual machine was started.
- *
- * @return the end time of this GC.
- */
- public long getEndTime() {
- return endTime;
- }
-
- /**
- * Returns the elapsed time of this GC in milliseconds.
- *
- * @return the elapsed time of this GC in milliseconds.
- */
- public long getDuration() {
- return endTime - startTime;
- }
-
- /**
- * Returns the memory usage of all memory pools
- * at the beginning of this GC.
- * This method returns
- * a {@code Map} of the name of a memory pool
- * to the memory usage of the corresponding
- * memory pool before GC starts.
- *
- * @return a {@code Map} of memory pool names to the memory
- * usage of a memory pool before GC starts.
- */
- public Map<String, MemoryUsage> getMemoryUsageBeforeGc() {
- return Collections.unmodifiableMap(usageBeforeGc);
- }
-
- /**
- * Returns the memory usage of all memory pools
- * at the end of this GC.
- * This method returns
- * a {@code Map} of the name of a memory pool
- * to the memory usage of the corresponding
- * memory pool when GC finishes.
- *
- * @return a {@code Map} of memory pool names to the memory
- * usage of a memory pool when GC finishes.
- */
- public Map<String, MemoryUsage> getMemoryUsageAfterGc() {
- return Collections.unmodifiableMap(usageAfterGc);
- }
-
- /**
- * Returns a {@code GcInfo} object represented by the
- * given {@code CompositeData}. The given
- * {@code CompositeData} must contain
- * all the following attributes:
- *
- * <blockquote>
- * <table border>
- * <tr>
- * <th align=left>Attribute Name</th>
- * <th align=left>Type</th>
- * </tr>
- * <tr>
- * <td>index</td>
- * <td>{@code java.lang.Long}</td>
- * </tr>
- * <tr>
- * <td>startTime</td>
- * <td>{@code java.lang.Long}</td>
- * </tr>
- * <tr>
- * <td>endTime</td>
- * <td>{@code java.lang.Long}</td>
- * </tr>
- * <tr>
- * <td>memoryUsageBeforeGc</td>
- * <td>{@code javax.management.openmbean.TabularData}</td>
- * </tr>
- * <tr>
- * <td>memoryUsageAfterGc</td>
- * <td>{@code javax.management.openmbean.TabularData}</td>
- * </tr>
- * </table>
- * </blockquote>
- *
- * @throws IllegalArgumentException if {@code cd} does not
- * represent a {@code GcInfo} object with the attributes
- * described above.
- *
- * @return a {@code GcInfo} object represented by {@code cd}
- * if {@code cd} is not {@code null}; {@code null} otherwise.
- */
- public static GcInfo from(CompositeData cd) {
- if (cd == null) {
- return null;
- }
-
- if (cd instanceof GcInfoCompositeData) {
- return ((GcInfoCompositeData) cd).getGcInfo();
- } else {
- return new GcInfo(cd);
- }
-
- }
-
- // Implementation of the CompositeData interface
- public boolean containsKey(String key) {
- return cdata.containsKey(key);
- }
-
- public boolean containsValue(Object value) {
- return cdata.containsValue(value);
- }
-
- public boolean equals(Object obj) {
- return cdata.equals(obj);
- }
-
- public Object get(String key) {
- return cdata.get(key);
- }
-
- public Object[] getAll(String[] keys) {
- return cdata.getAll(keys);
- }
-
- public CompositeType getCompositeType() {
- return cdata.getCompositeType();
- }
-
- public int hashCode() {
- return cdata.hashCode();
- }
-
- public String toString() {
- return cdata.toString();
- }
-
- public Collection<?> values() {
- return cdata.values();
- }
-
- /**
- * Return the {@code CompositeData} representation of this
- * {@code GcInfo}, including any GC-specific attributes. The
- * returned value will have at least all the attributes described
- * in the {@link #from(CompositeData) from} method, plus optionally
- * other attributes.
- *
- * @param ct the {@code CompositeType} that the caller expects.
- * This parameter is ignored and can be null.
- *
- * @return the {@code CompositeData} representation.
- */
- public CompositeData toCompositeData(CompositeType ct) {
- return cdata;
- }
-}