author | darcy |
Wed, 23 Oct 2019 13:01:40 -0700 | |
changeset 58766 | 54ffb15c4839 |
parent 47216 | 71c04702a3d5 |
permissions | -rw-r--r-- |
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/* |
58766
54ffb15c4839
8232442: Suppress warnings on non-serializable non-transient instance fields in java.management.*
darcy
parents:
47216
diff
changeset
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* Copyright (c) 2004, 2019, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package sun.management; |
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import java.lang.management.MemoryNotificationInfo; |
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import java.lang.management.MemoryUsage; |
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import javax.management.openmbean.CompositeData; |
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import javax.management.openmbean.CompositeType; |
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import javax.management.openmbean.CompositeDataSupport; |
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import javax.management.openmbean.OpenDataException; |
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/** |
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* A CompositeData for MemoryNotificationInfo for the local management support. |
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* This class avoids the performance penalty paid to the |
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* construction of a CompositeData use in the local case. |
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*/ |
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public class MemoryNotifInfoCompositeData extends LazyCompositeData { |
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58766
54ffb15c4839
8232442: Suppress warnings on non-serializable non-transient instance fields in java.management.*
darcy
parents:
47216
diff
changeset
|
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@SuppressWarnings("serial") // Not statically typed as Serializable |
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private final MemoryNotificationInfo memoryNotifInfo; |
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private MemoryNotifInfoCompositeData(MemoryNotificationInfo info) { |
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this.memoryNotifInfo = info; |
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} |
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public MemoryNotificationInfo getMemoryNotifInfo() { |
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return memoryNotifInfo; |
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} |
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public static CompositeData toCompositeData(MemoryNotificationInfo info) { |
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MemoryNotifInfoCompositeData mnicd = |
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new MemoryNotifInfoCompositeData(info); |
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return mnicd.getCompositeData(); |
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} |
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protected CompositeData getCompositeData() { |
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// CONTENTS OF THIS ARRAY MUST BE SYNCHRONIZED WITH |
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// memoryNotifInfoItemNames! |
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final Object[] memoryNotifInfoItemValues = { |
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memoryNotifInfo.getPoolName(), |
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MemoryUsageCompositeData.toCompositeData(memoryNotifInfo.getUsage()), |
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63e1a2ec30f5
8048267: Replace uses of 'new Long()' with appropriate alternative across core classes
prappo
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memoryNotifInfo.getCount(), |
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}; |
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try { |
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return new CompositeDataSupport(memoryNotifInfoCompositeType, |
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memoryNotifInfoItemNames, |
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memoryNotifInfoItemValues); |
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} catch (OpenDataException e) { |
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// Should never reach here |
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6610094: Add generic support for platform MXBeans of any type (also fixed 6681031)
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throw new AssertionError(e); |
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} |
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} |
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private static final CompositeType memoryNotifInfoCompositeType; |
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static { |
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try { |
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memoryNotifInfoCompositeType = (CompositeType) |
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MappedMXBeanType.toOpenType(MemoryNotificationInfo.class); |
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} catch (OpenDataException e) { |
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// Should never reach here |
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throw new AssertionError(e); |
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} |
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} |
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private static final String POOL_NAME = "poolName"; |
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private static final String USAGE = "usage"; |
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private static final String COUNT = "count"; |
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private static final String[] memoryNotifInfoItemNames = { |
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POOL_NAME, |
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USAGE, |
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COUNT, |
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}; |
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public static String getPoolName(CompositeData cd) { |
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String poolname = getString(cd, POOL_NAME); |
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if (poolname == null) { |
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throw new IllegalArgumentException("Invalid composite data: " + |
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"Attribute " + POOL_NAME + " has null value"); |
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} |
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return poolname; |
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} |
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public static MemoryUsage getUsage(CompositeData cd) { |
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CompositeData usageData = (CompositeData) cd.get(USAGE); |
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return MemoryUsage.from(usageData); |
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} |
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public static long getCount(CompositeData cd) { |
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return getLong(cd, COUNT); |
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} |
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/** Validate if the input CompositeData has the expected |
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* CompositeType (i.e. contain all attributes with expected |
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* names and types). |
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*/ |
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public static void validateCompositeData(CompositeData cd) { |
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if (cd == null) { |
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throw new NullPointerException("Null CompositeData"); |
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} |
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if (!isTypeMatched(memoryNotifInfoCompositeType, cd.getCompositeType())) { |
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throw new IllegalArgumentException( |
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"Unexpected composite type for MemoryNotificationInfo"); |
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} |
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} |
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d01972926813
6895875: Missing serialVersionUID in sun.management classes
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private static final long serialVersionUID = -1805123446483771291L; |
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} |