--- a/jdk/src/java.management/share/classes/sun/management/GcInfoBuilder.java Wed Apr 15 13:27:39 2015 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,205 +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 sun.management;
-
-import java.lang.management.GarbageCollectorMXBean;
-import java.lang.management.MemoryUsage;
-import javax.management.openmbean.OpenType;
-import javax.management.openmbean.SimpleType;
-import javax.management.openmbean.TabularType;
-import javax.management.openmbean.TabularData;
-import javax.management.openmbean.TabularDataSupport;
-import javax.management.openmbean.CompositeType;
-import javax.management.openmbean.CompositeData;
-import javax.management.openmbean.CompositeDataSupport;
-import javax.management.openmbean.OpenDataException;
-import com.sun.management.GcInfo;
-
-/**
- * Helper class to build composite data.
- */
-public class GcInfoBuilder {
- private final GarbageCollectorMXBean gc;
- private final String[] poolNames;
- private String[] allItemNames;
-
- // GC-specific composite type:
- // Each GarbageCollectorMXBean may have different GC-specific attributes
- // the CompositeType for the GcInfo could be different.
- private CompositeType gcInfoCompositeType;
-
- // GC-specific items
- private final int gcExtItemCount;
- private final String[] gcExtItemNames;
- private final String[] gcExtItemDescs;
- private final char[] gcExtItemTypes;
-
- GcInfoBuilder(GarbageCollectorMXBean gc, String[] poolNames) {
- this.gc = gc;
- this.poolNames = poolNames;
- this.gcExtItemCount = getNumGcExtAttributes(gc);
- this.gcExtItemNames = new String[gcExtItemCount];
- this.gcExtItemDescs = new String[gcExtItemCount];
- this.gcExtItemTypes = new char[gcExtItemCount];
-
- // Fill the information about extension attributes
- fillGcAttributeInfo(gc, gcExtItemCount, gcExtItemNames,
- gcExtItemTypes, gcExtItemDescs);
-
- // lazily build the CompositeType for the GcInfo
- // including the GC-specific extension attributes
- this.gcInfoCompositeType = null;
- }
-
- GcInfo getLastGcInfo() {
- MemoryUsage[] usageBeforeGC = new MemoryUsage[poolNames.length];
- MemoryUsage[] usageAfterGC = new MemoryUsage[poolNames.length];
- Object[] values = new Object[gcExtItemCount];
-
- return getLastGcInfo0(gc, gcExtItemCount, values, gcExtItemTypes,
- usageBeforeGC, usageAfterGC);
- }
-
- public String[] getPoolNames() {
- return poolNames;
- }
-
- int getGcExtItemCount() {
- return gcExtItemCount;
- }
-
- // Returns the CompositeType for the GcInfo including
- // the extension attributes
- synchronized CompositeType getGcInfoCompositeType() {
- if (gcInfoCompositeType != null)
- return gcInfoCompositeType;
-
- // First, fill with the attributes in the GcInfo
- String[] gcInfoItemNames = GcInfoCompositeData.getBaseGcInfoItemNames();
- OpenType<?>[] gcInfoItemTypes = GcInfoCompositeData.getBaseGcInfoItemTypes();
- int numGcInfoItems = gcInfoItemNames.length;
-
- int itemCount = numGcInfoItems + gcExtItemCount;
- allItemNames = new String[itemCount];
- String[] allItemDescs = new String[itemCount];
- OpenType<?>[] allItemTypes = new OpenType<?>[itemCount];
-
- System.arraycopy(gcInfoItemNames, 0, allItemNames, 0, numGcInfoItems);
- System.arraycopy(gcInfoItemNames, 0, allItemDescs, 0, numGcInfoItems);
- System.arraycopy(gcInfoItemTypes, 0, allItemTypes, 0, numGcInfoItems);
-
- // Then fill with the extension GC-specific attributes, if any.
- if (gcExtItemCount > 0) {
- fillGcAttributeInfo(gc, gcExtItemCount, gcExtItemNames,
- gcExtItemTypes, gcExtItemDescs);
- System.arraycopy(gcExtItemNames, 0, allItemNames,
- numGcInfoItems, gcExtItemCount);
- System.arraycopy(gcExtItemDescs, 0, allItemDescs,
- numGcInfoItems, gcExtItemCount);
- for (int i = numGcInfoItems, j = 0; j < gcExtItemCount; i++, j++) {
- switch (gcExtItemTypes[j]) {
- case 'Z':
- allItemTypes[i] = SimpleType.BOOLEAN;
- break;
- case 'B':
- allItemTypes[i] = SimpleType.BYTE;
- break;
- case 'C':
- allItemTypes[i] = SimpleType.CHARACTER;
- break;
- case 'S':
- allItemTypes[i] = SimpleType.SHORT;
- break;
- case 'I':
- allItemTypes[i] = SimpleType.INTEGER;
- break;
- case 'J':
- allItemTypes[i] = SimpleType.LONG;
- break;
- case 'F':
- allItemTypes[i] = SimpleType.FLOAT;
- break;
- case 'D':
- allItemTypes[i] = SimpleType.DOUBLE;
- break;
- default:
- throw new AssertionError(
- "Unsupported type [" + gcExtItemTypes[i] + "]");
- }
- }
- }
-
- CompositeType gict = null;
- try {
- final String typeName =
- "sun.management." + gc.getName() + ".GcInfoCompositeType";
-
- gict = new CompositeType(typeName,
- "CompositeType for GC info for " +
- gc.getName(),
- allItemNames,
- allItemDescs,
- allItemTypes);
- } catch (OpenDataException e) {
- // shouldn't reach here
- throw Util.newException(e);
- }
- gcInfoCompositeType = gict;
-
- return gcInfoCompositeType;
- }
-
- synchronized String[] getItemNames() {
- if (allItemNames == null) {
- // initialize when forming the composite type
- getGcInfoCompositeType();
- }
- return allItemNames;
- }
-
- // Retrieve information about extension attributes
- private native int getNumGcExtAttributes(GarbageCollectorMXBean gc);
- private native void fillGcAttributeInfo(GarbageCollectorMXBean gc,
- int numAttributes,
- String[] attributeNames,
- char[] types,
- String[] descriptions);
-
- /**
- * Returns the last GcInfo
- *
- * @param gc GarbageCollectorMXBean that the gc info is associated with.
- * @param numExtAtts number of extension attributes
- * @param extAttValues Values of extension attributes to be filled.
- * @param before Memory usage before GC to be filled.
- * @param after Memory usage after GC to be filled.
- */
- private native GcInfo getLastGcInfo0(GarbageCollectorMXBean gc,
- int numExtAtts,
- Object[] extAttValues,
- char[] extAttTypes,
- MemoryUsage[] before,
- MemoryUsage[] after);
-}