--- a/jdk/src/java.management/share/classes/sun/management/GcInfoCompositeData.java Wed Apr 15 13:27:39 2015 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,276 +0,0 @@
-/*
- * Copyright (c) 2004, 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 sun.management;
-
-import java.lang.management.MemoryUsage;
-import java.lang.reflect.Method;
-import java.lang.reflect.Field;
-import java.util.Iterator;
-import java.util.Map;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Collections;
-import java.io.InvalidObjectException;
-import javax.management.openmbean.CompositeType;
-import javax.management.openmbean.CompositeData;
-import javax.management.openmbean.CompositeDataSupport;
-import javax.management.openmbean.TabularData;
-import javax.management.openmbean.SimpleType;
-import javax.management.openmbean.OpenType;
-import javax.management.openmbean.OpenDataException;
-import com.sun.management.GcInfo;
-import com.sun.management.GarbageCollectionNotificationInfo;
-import java.security.AccessController;
-import java.security.PrivilegedAction;
-
-/**
- * A CompositeData for GcInfo for the local management support.
- * This class avoids the performance penalty paid to the
- * construction of a CompositeData use in the local case.
- */
-public class GcInfoCompositeData extends LazyCompositeData {
- private final GcInfo info;
- private final GcInfoBuilder builder;
- private final Object[] gcExtItemValues;
-
- public GcInfoCompositeData(GcInfo info,
- GcInfoBuilder builder,
- Object[] gcExtItemValues) {
- this.info = info;
- this.builder = builder;
- this.gcExtItemValues = gcExtItemValues;
- }
-
- public GcInfo getGcInfo() {
- return info;
- }
-
- public static CompositeData toCompositeData(final GcInfo info) {
- final GcInfoBuilder builder = AccessController.doPrivileged (new PrivilegedAction<GcInfoBuilder>() {
- public GcInfoBuilder run() {
- try {
- Class<?> cl = Class.forName("com.sun.management.GcInfo");
- Field f = cl.getDeclaredField("builder");
- f.setAccessible(true);
- return (GcInfoBuilder)f.get(info);
- } catch(ClassNotFoundException | NoSuchFieldException | IllegalAccessException e) {
- return null;
- }
- }
- });
- final Object[] extAttr = AccessController.doPrivileged (new PrivilegedAction<Object[]>() {
- public Object[] run() {
- try {
- Class<?> cl = Class.forName("com.sun.management.GcInfo");
- Field f = cl.getDeclaredField("extAttributes");
- f.setAccessible(true);
- return (Object[])f.get(info);
- } catch(ClassNotFoundException | NoSuchFieldException | IllegalAccessException e) {
- return null;
- }
- }
- });
- GcInfoCompositeData gcicd =
- new GcInfoCompositeData(info,builder,extAttr);
- return gcicd.getCompositeData();
- }
-
- protected CompositeData getCompositeData() {
- // CONTENTS OF THIS ARRAY MUST BE SYNCHRONIZED WITH
- // baseGcInfoItemNames!
- final Object[] baseGcInfoItemValues;
-
- try {
- baseGcInfoItemValues = new Object[] {
- info.getId(),
- info.getStartTime(),
- info.getEndTime(),
- info.getDuration(),
- memoryUsageMapType.toOpenTypeData(info.getMemoryUsageBeforeGc()),
- memoryUsageMapType.toOpenTypeData(info.getMemoryUsageAfterGc()),
- };
- } catch (OpenDataException e) {
- // Should never reach here
- throw new AssertionError(e);
- }
-
- // Get the item values for the extension attributes
- final int gcExtItemCount = builder.getGcExtItemCount();
- if (gcExtItemCount == 0 &&
- gcExtItemValues != null && gcExtItemValues.length != 0) {
- throw new AssertionError("Unexpected Gc Extension Item Values");
- }
-
- if (gcExtItemCount > 0 && (gcExtItemValues == null ||
- gcExtItemCount != gcExtItemValues.length)) {
- throw new AssertionError("Unmatched Gc Extension Item Values");
- }
-
- Object[] values = new Object[baseGcInfoItemValues.length +
- gcExtItemCount];
- System.arraycopy(baseGcInfoItemValues, 0, values, 0,
- baseGcInfoItemValues.length);
-
- if (gcExtItemCount > 0) {
- System.arraycopy(gcExtItemValues, 0, values,
- baseGcInfoItemValues.length, gcExtItemCount);
- }
-
- try {
- return new CompositeDataSupport(builder.getGcInfoCompositeType(),
- builder.getItemNames(),
- values);
- } catch (OpenDataException e) {
- // Should never reach here
- throw new AssertionError(e);
- }
- }
-
- private static final String ID = "id";
- private static final String START_TIME = "startTime";
- private static final String END_TIME = "endTime";
- private static final String DURATION = "duration";
- private static final String MEMORY_USAGE_BEFORE_GC = "memoryUsageBeforeGc";
- private static final String MEMORY_USAGE_AFTER_GC = "memoryUsageAfterGc";
-
- private static final String[] baseGcInfoItemNames = {
- ID,
- START_TIME,
- END_TIME,
- DURATION,
- MEMORY_USAGE_BEFORE_GC,
- MEMORY_USAGE_AFTER_GC,
- };
-
-
- private static MappedMXBeanType memoryUsageMapType;
- static {
- try {
- Method m = GcInfo.class.getMethod("getMemoryUsageBeforeGc");
- memoryUsageMapType =
- MappedMXBeanType.getMappedType(m.getGenericReturnType());
- } catch (NoSuchMethodException | OpenDataException e) {
- // Should never reach here
- throw new AssertionError(e);
- }
- }
-
- static String[] getBaseGcInfoItemNames() {
- return baseGcInfoItemNames;
- }
-
- private static OpenType<?>[] baseGcInfoItemTypes = null;
- static synchronized OpenType<?>[] getBaseGcInfoItemTypes() {
- if (baseGcInfoItemTypes == null) {
- OpenType<?> memoryUsageOpenType = memoryUsageMapType.getOpenType();
- baseGcInfoItemTypes = new OpenType<?>[] {
- SimpleType.LONG,
- SimpleType.LONG,
- SimpleType.LONG,
- SimpleType.LONG,
-
- memoryUsageOpenType,
- memoryUsageOpenType,
- };
- }
- return baseGcInfoItemTypes;
- }
-
- public static long getId(CompositeData cd) {
- return getLong(cd, ID);
- }
- public static long getStartTime(CompositeData cd) {
- return getLong(cd, START_TIME);
- }
- public static long getEndTime(CompositeData cd) {
- return getLong(cd, END_TIME);
- }
-
- public static Map<String, MemoryUsage>
- getMemoryUsageBeforeGc(CompositeData cd) {
- try {
- TabularData td = (TabularData) cd.get(MEMORY_USAGE_BEFORE_GC);
- return cast(memoryUsageMapType.toJavaTypeData(td));
- } catch (InvalidObjectException | OpenDataException e) {
- // Should never reach here
- throw new AssertionError(e);
- }
- }
-
- @SuppressWarnings("unchecked")
- public static Map<String, MemoryUsage> cast(Object x) {
- return (Map<String, MemoryUsage>) x;
- }
- public static Map<String, MemoryUsage>
- getMemoryUsageAfterGc(CompositeData cd) {
- try {
- TabularData td = (TabularData) cd.get(MEMORY_USAGE_AFTER_GC);
- //return (Map<String,MemoryUsage>)
- return cast(memoryUsageMapType.toJavaTypeData(td));
- } catch (InvalidObjectException | OpenDataException e) {
- // Should never reach here
- throw new AssertionError(e);
- }
- }
-
- /**
- * Returns true if the input CompositeData has the expected
- * CompositeType (i.e. contain all attributes with expected
- * names and types). Otherwise, return false.
- */
- public static void validateCompositeData(CompositeData cd) {
- if (cd == null) {
- throw new NullPointerException("Null CompositeData");
- }
-
- if (!isTypeMatched(getBaseGcInfoCompositeType(),
- cd.getCompositeType())) {
- throw new IllegalArgumentException(
- "Unexpected composite type for GcInfo");
- }
- }
-
- // This is only used for validation.
- private static CompositeType baseGcInfoCompositeType = null;
- static synchronized CompositeType getBaseGcInfoCompositeType() {
- if (baseGcInfoCompositeType == null) {
- try {
- baseGcInfoCompositeType =
- new CompositeType("sun.management.BaseGcInfoCompositeType",
- "CompositeType for Base GcInfo",
- getBaseGcInfoItemNames(),
- getBaseGcInfoItemNames(),
- getBaseGcInfoItemTypes());
- } catch (OpenDataException e) {
- // shouldn't reach here
- throw Util.newException(e);
- }
- }
- return baseGcInfoCompositeType;
- }
-
- private static final long serialVersionUID = -5716428894085882742L;
-}