jdk/src/java.management/share/classes/sun/management/GarbageCollectionNotifInfoCompositeData.java
--- a/jdk/src/java.management/share/classes/sun/management/GarbageCollectionNotifInfoCompositeData.java Wed Apr 15 13:27:39 2015 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,215 +0,0 @@
-/*
- * Copyright (c) 2011, 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 com.sun.management.GarbageCollectionNotificationInfo;
-import com.sun.management.GcInfo;
-import java.lang.reflect.Method;
-import javax.management.openmbean.CompositeData;
-import javax.management.openmbean.CompositeType;
-import javax.management.openmbean.CompositeDataSupport;
-import javax.management.openmbean.OpenDataException;
-import javax.management.openmbean.OpenType;
-import javax.management.openmbean.SimpleType;
-import java.security.AccessController;
-import java.security.PrivilegedAction;
-import java.lang.reflect.Field;
-import java.util.HashMap;
-
-/**
- * A CompositeData for GarbageCollectionNotificationInfo 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 GarbageCollectionNotifInfoCompositeData extends LazyCompositeData {
- private final GarbageCollectionNotificationInfo gcNotifInfo;
-
- public GarbageCollectionNotifInfoCompositeData(GarbageCollectionNotificationInfo info) {
- this.gcNotifInfo = info;
- }
-
- public GarbageCollectionNotificationInfo getGarbageCollectionNotifInfo() {
- return gcNotifInfo;
- }
-
- public static CompositeData toCompositeData(GarbageCollectionNotificationInfo info) {
- GarbageCollectionNotifInfoCompositeData gcnicd =
- new GarbageCollectionNotifInfoCompositeData(info);
- return gcnicd.getCompositeData();
- }
-
- private CompositeType getCompositeTypeByBuilder() {
- 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(gcNotifInfo.getGcInfo());
- } catch(ClassNotFoundException | NoSuchFieldException | IllegalAccessException e) {
- return null;
- }
- }
- });
- CompositeType gict = null;
- synchronized(compositeTypeByBuilder) {
- gict = compositeTypeByBuilder.get(builder);
- if(gict == null) {
- OpenType<?>[] gcNotifInfoItemTypes = new OpenType<?>[] {
- SimpleType.STRING,
- SimpleType.STRING,
- SimpleType.STRING,
- builder.getGcInfoCompositeType(),
- };
- try {
- final String typeName =
- "sun.management.GarbageCollectionNotifInfoCompositeType";
- gict = new CompositeType(typeName,
- "CompositeType for GC notification info",
- gcNotifInfoItemNames,
- gcNotifInfoItemNames,
- gcNotifInfoItemTypes);
- compositeTypeByBuilder.put(builder,gict);
- } catch (OpenDataException e) {
- // shouldn't reach here
- throw Util.newException(e);
- }
- }
- }
- return gict;
- }
-
- protected CompositeData getCompositeData() {
- // CONTENTS OF THIS ARRAY MUST BE SYNCHRONIZED WITH
- // gcNotifInfoItemNames!
- final Object[] gcNotifInfoItemValues;
- gcNotifInfoItemValues = new Object[] {
- gcNotifInfo.getGcName(),
- gcNotifInfo.getGcAction(),
- gcNotifInfo.getGcCause(),
- GcInfoCompositeData.toCompositeData(gcNotifInfo.getGcInfo())
- };
-
- CompositeType gict = getCompositeTypeByBuilder();
-
- try {
- return new CompositeDataSupport(gict,
- gcNotifInfoItemNames,
- gcNotifInfoItemValues);
- } catch (OpenDataException e) {
- // Should never reach here
- throw new AssertionError(e);
- }
- }
-
- // private static MappedMXBeanType gcInfoMapType;
- private static final String GC_NAME = "gcName";
- private static final String GC_ACTION = "gcAction";
- private static final String GC_CAUSE = "gcCause";
- private static final String GC_INFO = "gcInfo";
- private static final String[] gcNotifInfoItemNames = {
- GC_NAME,
- GC_ACTION,
- GC_CAUSE,
- GC_INFO
- };
- private static HashMap<GcInfoBuilder,CompositeType> compositeTypeByBuilder =
- new HashMap<>();
-
- public static String getGcName(CompositeData cd) {
- String gcname = getString(cd, GC_NAME);
- if (gcname == null) {
- throw new IllegalArgumentException("Invalid composite data: " +
- "Attribute " + GC_NAME + " has null value");
- }
- return gcname;
- }
-
- public static String getGcAction(CompositeData cd) {
- String gcaction = getString(cd, GC_ACTION);
- if (gcaction == null) {
- throw new IllegalArgumentException("Invalid composite data: " +
- "Attribute " + GC_ACTION + " has null value");
- }
- return gcaction;
- }
-
- public static String getGcCause(CompositeData cd) {
- String gccause = getString(cd, GC_CAUSE);
- if (gccause == null) {
- throw new IllegalArgumentException("Invalid composite data: " +
- "Attribute " + GC_CAUSE + " has null value");
- }
- return gccause;
- }
-
- public static GcInfo getGcInfo(CompositeData cd) {
- CompositeData gcInfoData = (CompositeData) cd.get(GC_INFO);
- return GcInfo.from(gcInfoData);
- }
-
- /** Validate if the input CompositeData has the expected
- * CompositeType (i.e. contain all attributes with expected
- * names and types).
- */
- public static void validateCompositeData(CompositeData cd) {
- if (cd == null) {
- throw new NullPointerException("Null CompositeData");
- }
-
- if (!isTypeMatched( getBaseGcNotifInfoCompositeType(), cd.getCompositeType())) {
- throw new IllegalArgumentException(
- "Unexpected composite type for GarbageCollectionNotificationInfo");
- }
- }
-
- // This is only used for validation.
- private static CompositeType baseGcNotifInfoCompositeType = null;
- private static synchronized CompositeType getBaseGcNotifInfoCompositeType() {
- if (baseGcNotifInfoCompositeType == null) {
- try {
- OpenType<?>[] baseGcNotifInfoItemTypes = new OpenType<?>[] {
- SimpleType.STRING,
- SimpleType.STRING,
- SimpleType.STRING,
- GcInfoCompositeData.getBaseGcInfoCompositeType()
- };
- baseGcNotifInfoCompositeType =
- new CompositeType("sun.management.BaseGarbageCollectionNotifInfoCompositeType",
- "CompositeType for Base GarbageCollectionNotificationInfo",
- gcNotifInfoItemNames,
- gcNotifInfoItemNames,
- baseGcNotifInfoItemTypes);
- } catch (OpenDataException e) {
- // shouldn't reach here
- throw Util.newException(e);
- }
- }
- return baseGcNotifInfoCompositeType;
- }
-
- private static final long serialVersionUID = -1805123446483771292L;
-}