diff -r 376fd031edd2 -r aca452591e50 jdk/src/java.management/share/classes/sun/management/GarbageCollectionNotifInfoCompositeData.java --- a/jdk/src/java.management/share/classes/sun/management/GarbageCollectionNotifInfoCompositeData.java Thu May 07 10:19:34 2015 -0700 +++ /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() { - 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 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; -}