下面列出了java.lang.management.MemoryUsage#getInit ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
private void checkMemoryUsage (MemoryUsage memUsage, String usage_type, String connect_type) {
// Get the elements of a MemoryUsage object and check they are valid
long init = memUsage.getInit();
long used = memUsage.getUsed();
long commit = memUsage.getCommitted();
long max = memUsage.getMax();
String formatter = " ";
if(usage_type.contains("Non")){
formatter = " ";
} else if (usage_type.contains("Current")) {
formatter = " ";
} else if (usage_type.contains("Peak")) {
formatter = " ";
} else if (usage_type.contains("Collection")) {
formatter = " ";
}
out.println(" " + usage_type + " Memory Usage:" + formatter + memUsage.toString());
checkMemoryUsageElements(connect_type, usage_type, init, max, commit, used);
}
/**
* Get young gen memory usage.
*
* For G1 it is EdenUsage + SurvivorUsage,
* for other GCs it is EdenUsage + 2 * SurvivorUsage.
* For G1 max value is just LONG_MAX.
* For all GCs used value is 0.
*/
private static MemoryUsage getYoungGenUsage() {
MemoryUsage edenUsage = HeapRegionUsageTool.getEdenUsage();
MemoryUsage survivorUsage = HeapRegionUsageTool.getSurvivorUsage();
long edenUsageInit = edenUsage.getInit();
long edenUsageCommited = edenUsage.getCommitted();
long survivorUsageInit = survivorUsage.getInit();
long survivorUsageCommited = survivorUsage.getCommitted();
if (YOUNG_GC_TYPE == GCTypes.YoungGCType.G1) {
return new MemoryUsage(edenUsageInit + survivorUsageInit, 0,
edenUsageCommited + survivorUsageCommited, Long.MAX_VALUE);
} else {
return new MemoryUsage(edenUsageInit + survivorUsageInit * 2, 0,
edenUsageCommited + survivorUsageCommited * 2,
edenUsage.getMax() + survivorUsage.getMax() * 2);
}
}
private void logMemoryUsage(StringBuilder sb, MemoryUsage usage, String label) {
// long used, commited;
long init, max;
init = usage.getInit();
// used = usage.getUsed();
// commited = usage.getCommitted();
max = usage.getMax();
// sb.append(label).append(" usage: used ").append(formatBytes(used)) // NOI18N
// .append(" of ").append(formatBytes(commited)); // NOI18N
sb.append(label).append(" usage: initial ").append(formatBytes(init)) // NOI18N
.append(" maximum ").append(formatBytes(max)).append('\n'); // NOI18N
}
@Override
protected IMonitoringRecord[] createNewMonitoringRecords(final long timestamp, final String hostname, final String vmName,
final IMonitoringController monitoringCtr) {
if (!monitoringCtr.isProbeActivated(SignatureFactory.createJVMMemSignature())) {
return new IMonitoringRecord[] {};
}
final MemoryMXBean memoryBean = ManagementFactory.getMemoryMXBean();
final MemoryUsage heapMemoryUsage = memoryBean.getHeapMemoryUsage();
final MemoryUsage nonHeapMemoryUsage = memoryBean.getNonHeapMemoryUsage();
return new IMonitoringRecord[] { new MemoryRecord(timestamp, hostname, vmName, heapMemoryUsage.getMax(), heapMemoryUsage.getUsed(),
heapMemoryUsage.getCommitted(), heapMemoryUsage.getInit(), nonHeapMemoryUsage.getMax(), nonHeapMemoryUsage.getUsed(),
nonHeapMemoryUsage.getCommitted(), nonHeapMemoryUsage.getInit(), memoryBean.getObjectPendingFinalizationCount()), };
}
public static void createGoodCompositeData() throws Exception {
final int K = 1024;
// these values are synchronized with the item names
final Object[] values = {
new Long(5 * K), // committed
new Long(1 * K), // init
new Long(10 * K), // max
new Long(2 * K), // used
"Dummy",
"Dummy",
};
CompositeType muct =
new CompositeType("MyMemoryUsageCompositeType",
"CompositeType for MemoryUsage",
memoryUsageItemNames,
memoryUsageItemNames,
memoryUsageItemTypes);
CompositeData cd =
new CompositeDataSupport(muct,
memoryUsageItemNames,
values);
MemoryUsage u = MemoryUsage.from(cd);
if (u.getInit() != ((Long) values[INIT]).longValue()) {
throw new RuntimeException("init = " + u.getInit() +
" expected = " + values[INIT]);
}
if (u.getUsed() != ((Long) values[USED]).longValue()) {
throw new RuntimeException("used = " + u.getUsed() +
" expected = " + values[USED]);
}
if (u.getCommitted() != ((Long) values[COMMITTED]).longValue()) {
throw new RuntimeException("committed = " + u.getCommitted() +
" expected = " + values[COMMITTED]);
}
if (u.getMax() != ((Long) values[MAX]).longValue()) {
throw new RuntimeException("max = " + u.getMax() +
" expected = " + values[MAX]);
}
System.out.println(u);
}
public static void createGoodCompositeData() throws Exception {
final int K = 1024;
// these values are synchronized with the item names
final Object[] values = {
new Long(5 * K), // committed
new Long(1 * K), // init
new Long(10 * K), // max
new Long(2 * K), // used
"Dummy",
"Dummy",
};
CompositeType muct =
new CompositeType("MyMemoryUsageCompositeType",
"CompositeType for MemoryUsage",
memoryUsageItemNames,
memoryUsageItemNames,
memoryUsageItemTypes);
CompositeData cd =
new CompositeDataSupport(muct,
memoryUsageItemNames,
values);
MemoryUsage u = MemoryUsage.from(cd);
if (u.getInit() != ((Long) values[INIT]).longValue()) {
throw new RuntimeException("init = " + u.getInit() +
" expected = " + values[INIT]);
}
if (u.getUsed() != ((Long) values[USED]).longValue()) {
throw new RuntimeException("used = " + u.getUsed() +
" expected = " + values[USED]);
}
if (u.getCommitted() != ((Long) values[COMMITTED]).longValue()) {
throw new RuntimeException("committed = " + u.getCommitted() +
" expected = " + values[COMMITTED]);
}
if (u.getMax() != ((Long) values[MAX]).longValue()) {
throw new RuntimeException("max = " + u.getMax() +
" expected = " + values[MAX]);
}
System.out.println(u);
}
public static void createGoodCompositeData() throws Exception {
final int K = 1024;
// these values are synchronized with the item names
final Object[] values = {
new Long(5 * K), // committed
new Long(1 * K), // init
new Long(10 * K), // max
new Long(2 * K), // used
"Dummy",
"Dummy",
};
CompositeType muct =
new CompositeType("MyMemoryUsageCompositeType",
"CompositeType for MemoryUsage",
memoryUsageItemNames,
memoryUsageItemNames,
memoryUsageItemTypes);
CompositeData cd =
new CompositeDataSupport(muct,
memoryUsageItemNames,
values);
MemoryUsage u = MemoryUsage.from(cd);
if (u.getInit() != ((Long) values[INIT]).longValue()) {
throw new RuntimeException("init = " + u.getInit() +
" expected = " + values[INIT]);
}
if (u.getUsed() != ((Long) values[USED]).longValue()) {
throw new RuntimeException("used = " + u.getUsed() +
" expected = " + values[USED]);
}
if (u.getCommitted() != ((Long) values[COMMITTED]).longValue()) {
throw new RuntimeException("committed = " + u.getCommitted() +
" expected = " + values[COMMITTED]);
}
if (u.getMax() != ((Long) values[MAX]).longValue()) {
throw new RuntimeException("max = " + u.getMax() +
" expected = " + values[MAX]);
}
System.out.println(u);
}
public static void createGoodCompositeData() throws Exception {
final int K = 1024;
// these values are synchronized with the item names
final Object[] values = {
new Long(5 * K), // committed
new Long(1 * K), // init
new Long(10 * K), // max
new Long(2 * K), // used
"Dummy",
"Dummy",
};
CompositeType muct =
new CompositeType("MyMemoryUsageCompositeType",
"CompositeType for MemoryUsage",
memoryUsageItemNames,
memoryUsageItemNames,
memoryUsageItemTypes);
CompositeData cd =
new CompositeDataSupport(muct,
memoryUsageItemNames,
values);
MemoryUsage u = MemoryUsage.from(cd);
if (u.getInit() != ((Long) values[INIT]).longValue()) {
throw new RuntimeException("init = " + u.getInit() +
" expected = " + values[INIT]);
}
if (u.getUsed() != ((Long) values[USED]).longValue()) {
throw new RuntimeException("used = " + u.getUsed() +
" expected = " + values[USED]);
}
if (u.getCommitted() != ((Long) values[COMMITTED]).longValue()) {
throw new RuntimeException("committed = " + u.getCommitted() +
" expected = " + values[COMMITTED]);
}
if (u.getMax() != ((Long) values[MAX]).longValue()) {
throw new RuntimeException("max = " + u.getMax() +
" expected = " + values[MAX]);
}
System.out.println(u);
}
public void installMonitor(){
//get all the GarbageCollectorMXBeans - there's one for each heap generation
//so probably two - the old generation and young generation
List<GarbageCollectorMXBean> gcbeans = java.lang.management.ManagementFactory.getGarbageCollectorMXBeans();
//Install a notification handler for each bean
for (GarbageCollectorMXBean gcbean : gcbeans) {
NotificationEmitter emitter = (NotificationEmitter) gcbean;
//use an anonymously generated listener for this example
// - proper code should really use a named class
NotificationListener listener = new NotificationListener() {
//keep a count of the total time spent in GCs
long totalGcDuration = 0;
//implement the notifier callback handler
@Override
public void handleNotification(Notification notification, Object handback) {
//we only handle GARBAGE_COLLECTION_NOTIFICATION notifications here
if (notification.getType().equals(GarbageCollectionNotificationInfo.GARBAGE_COLLECTION_NOTIFICATION)) {
//get the information associated with this notification
GarbageCollectionNotificationInfo info = GarbageCollectionNotificationInfo.from((CompositeData) notification.getUserData());
//get all the info and pretty print it
//Get the information about each memory space, and pretty print it
Map<String, MemoryUsage> membefore = info.getGcInfo().getMemoryUsageBeforeGc();
Map<String, MemoryUsage> mem = info.getGcInfo().getMemoryUsageAfterGc();
long memInit=0;
long memCommitted=0;
long memMax=0;
long memUsed=0;
// MemoryUsage before;
for (Map.Entry<String, MemoryUsage> entry : mem.entrySet()) {
String name = entry.getKey();
MemoryUsage memdetail = entry.getValue();
memInit += memdetail.getInit();
memCommitted += memdetail.getCommitted();
memMax += memdetail.getMax();
memUsed += memdetail.getUsed();
// MemoryUsage before = membefore.get(name);
// System.out.print(name + (memCommitted==memMax?"(fully expanded)":"(still expandable)") +"used: "+(beforepercent/10)+"."+(beforepercent%10)+"%->"+(percent/10)+"."+(percent%10)+"%("+((memUsed/1048576)+1)+"MB) / ");
}
// System.out.println(" Mem max (max used or available?)"+memMax/100000+" mem used (before or after?)"+memUsed/100000+" mem committed? ="+memCommitted/1000000);
if(memMax>maxMemMax)
maxMemMax=memMax;
if(memUsed>maxMemUsed)
maxMemUsed=memUsed;
if(memCommitted>maxMemCommitted)
maxMemCommitted= memCommitted;
}
}
};
//Add the listener
emitter.addNotificationListener(listener, null, null);
}
}
public static void createGoodCompositeData() throws Exception {
final int K = 1024;
// these values are synchronized with the item names
final Object[] values = {
new Long(5 * K), // committed
new Long(1 * K), // init
new Long(10 * K), // max
new Long(2 * K), // used
"Dummy",
"Dummy",
};
CompositeType muct =
new CompositeType("MyMemoryUsageCompositeType",
"CompositeType for MemoryUsage",
memoryUsageItemNames,
memoryUsageItemNames,
memoryUsageItemTypes);
CompositeData cd =
new CompositeDataSupport(muct,
memoryUsageItemNames,
values);
MemoryUsage u = MemoryUsage.from(cd);
if (u.getInit() != ((Long) values[INIT]).longValue()) {
throw new RuntimeException("init = " + u.getInit() +
" expected = " + values[INIT]);
}
if (u.getUsed() != ((Long) values[USED]).longValue()) {
throw new RuntimeException("used = " + u.getUsed() +
" expected = " + values[USED]);
}
if (u.getCommitted() != ((Long) values[COMMITTED]).longValue()) {
throw new RuntimeException("committed = " + u.getCommitted() +
" expected = " + values[COMMITTED]);
}
if (u.getMax() != ((Long) values[MAX]).longValue()) {
throw new RuntimeException("max = " + u.getMax() +
" expected = " + values[MAX]);
}
System.out.println(u);
}
public static void createGoodCompositeData() throws Exception {
final int K = 1024;
// these values are synchronized with the item names
final Object[] values = {
new Long(5 * K), // committed
new Long(1 * K), // init
new Long(10 * K), // max
new Long(2 * K), // used
"Dummy",
"Dummy",
};
CompositeType muct =
new CompositeType("MyMemoryUsageCompositeType",
"CompositeType for MemoryUsage",
memoryUsageItemNames,
memoryUsageItemNames,
memoryUsageItemTypes);
CompositeData cd =
new CompositeDataSupport(muct,
memoryUsageItemNames,
values);
MemoryUsage u = MemoryUsage.from(cd);
if (u.getInit() != ((Long) values[INIT]).longValue()) {
throw new RuntimeException("init = " + u.getInit() +
" expected = " + values[INIT]);
}
if (u.getUsed() != ((Long) values[USED]).longValue()) {
throw new RuntimeException("used = " + u.getUsed() +
" expected = " + values[USED]);
}
if (u.getCommitted() != ((Long) values[COMMITTED]).longValue()) {
throw new RuntimeException("committed = " + u.getCommitted() +
" expected = " + values[COMMITTED]);
}
if (u.getMax() != ((Long) values[MAX]).longValue()) {
throw new RuntimeException("max = " + u.getMax() +
" expected = " + values[MAX]);
}
System.out.println(u);
}
public static void createGoodCompositeData() throws Exception {
final int K = 1024;
// these values are synchronized with the item names
final Object[] values = {
new Long(5 * K), // committed
new Long(1 * K), // init
new Long(10 * K), // max
new Long(2 * K), // used
"Dummy",
"Dummy",
};
CompositeType muct =
new CompositeType("MyMemoryUsageCompositeType",
"CompositeType for MemoryUsage",
memoryUsageItemNames,
memoryUsageItemNames,
memoryUsageItemTypes);
CompositeData cd =
new CompositeDataSupport(muct,
memoryUsageItemNames,
values);
MemoryUsage u = MemoryUsage.from(cd);
if (u.getInit() != ((Long) values[INIT]).longValue()) {
throw new RuntimeException("init = " + u.getInit() +
" expected = " + values[INIT]);
}
if (u.getUsed() != ((Long) values[USED]).longValue()) {
throw new RuntimeException("used = " + u.getUsed() +
" expected = " + values[USED]);
}
if (u.getCommitted() != ((Long) values[COMMITTED]).longValue()) {
throw new RuntimeException("committed = " + u.getCommitted() +
" expected = " + values[COMMITTED]);
}
if (u.getMax() != ((Long) values[MAX]).longValue()) {
throw new RuntimeException("max = " + u.getMax() +
" expected = " + values[MAX]);
}
System.out.println(u);
}
/**
* Verify that actual young gen size conforms NewSize and MaxNewSize values.
*/
public static Void verifyNewSize(long newSize, long maxNewSize,
long initialHeapSize, long maxHeapSize) {
long alignedNewSize = alignGenSize(newSize);
long alignedMaxNewSize = alignGenSize(maxNewSize);
long alignedXms = alignHeapSize(initialHeapSize);
long alignedXmx = alignHeapSize(maxHeapSize);
MemoryUsage youngGenUsage = getYoungGenUsage();
long initSize = youngGenUsage.getInit();
long commitedSize = youngGenUsage.getCommitted();
long maxSize = youngGenUsage.getMax();
if (newSize != -1) {
if (initSize < alignedNewSize) {
throw new RuntimeException("initial new size < NewSize value: "
+ initSize + " < " + alignedNewSize);
}
if (commitedSize < alignedNewSize) {
throw new RuntimeException("actual new size < NewSize value: "
+ commitedSize + " < " + alignedNewSize);
}
// for G1 max new size == committed new size
if (YOUNG_GC_TYPE != GCTypes.YoungGCType.G1
&& maxSize < alignedNewSize) {
throw new RuntimeException("max new size < NewSize value: "
+ maxSize + " < " + alignedNewSize);
}
}
if (maxNewSize != -1) {
if (initSize > alignedMaxNewSize) {
throw new RuntimeException("initial new size > MaxNewSize value: "
+ initSize + " > " + alignedMaxNewSize);
}
if (commitedSize > alignedMaxNewSize) {
throw new RuntimeException("actual new size > MaxNewSize value: "
+ commitedSize + " > " + alignedMaxNewSize);
}
if (alignedXms != alignedXmx) {
if (YOUNG_GC_TYPE != GCTypes.YoungGCType.G1
&& maxSize != alignedMaxNewSize) {
throw new RuntimeException("max new size != MaxNewSize value: "
+ maxSize + " != " + alignedMaxNewSize);
}
} else {
if (YOUNG_GC_TYPE != GCTypes.YoungGCType.G1
&& maxSize != alignedNewSize) {
throw new RuntimeException("max new size != NewSize for case InitialHeapSize == MaxHeapSize value: "
+ maxSize + " != " + alignedNewSize + " HeapSize == " + alignedXms);
}
}
}
return null;
}
public static void createGoodCompositeData() throws Exception {
final int K = 1024;
// these values are synchronized with the item names
final Object[] values = {
new Long(5 * K), // committed
new Long(1 * K), // init
new Long(10 * K), // max
new Long(2 * K), // used
"Dummy",
"Dummy",
};
CompositeType muct =
new CompositeType("MyMemoryUsageCompositeType",
"CompositeType for MemoryUsage",
memoryUsageItemNames,
memoryUsageItemNames,
memoryUsageItemTypes);
CompositeData cd =
new CompositeDataSupport(muct,
memoryUsageItemNames,
values);
MemoryUsage u = MemoryUsage.from(cd);
if (u.getInit() != ((Long) values[INIT]).longValue()) {
throw new RuntimeException("init = " + u.getInit() +
" expected = " + values[INIT]);
}
if (u.getUsed() != ((Long) values[USED]).longValue()) {
throw new RuntimeException("used = " + u.getUsed() +
" expected = " + values[USED]);
}
if (u.getCommitted() != ((Long) values[COMMITTED]).longValue()) {
throw new RuntimeException("committed = " + u.getCommitted() +
" expected = " + values[COMMITTED]);
}
if (u.getMax() != ((Long) values[MAX]).longValue()) {
throw new RuntimeException("max = " + u.getMax() +
" expected = " + values[MAX]);
}
System.out.println(u);
}
public static void createGoodCompositeData() throws Exception {
final int K = 1024;
// these values are synchronized with the item names
final Object[] values = {
new Long(5 * K), // committed
new Long(1 * K), // init
new Long(10 * K), // max
new Long(2 * K), // used
"Dummy",
"Dummy",
};
CompositeType muct =
new CompositeType("MyMemoryUsageCompositeType",
"CompositeType for MemoryUsage",
memoryUsageItemNames,
memoryUsageItemNames,
memoryUsageItemTypes);
CompositeData cd =
new CompositeDataSupport(muct,
memoryUsageItemNames,
values);
MemoryUsage u = MemoryUsage.from(cd);
if (u.getInit() != ((Long) values[INIT]).longValue()) {
throw new RuntimeException("init = " + u.getInit() +
" expected = " + values[INIT]);
}
if (u.getUsed() != ((Long) values[USED]).longValue()) {
throw new RuntimeException("used = " + u.getUsed() +
" expected = " + values[USED]);
}
if (u.getCommitted() != ((Long) values[COMMITTED]).longValue()) {
throw new RuntimeException("committed = " + u.getCommitted() +
" expected = " + values[COMMITTED]);
}
if (u.getMax() != ((Long) values[MAX]).longValue()) {
throw new RuntimeException("max = " + u.getMax() +
" expected = " + values[MAX]);
}
System.out.println(u);
}
public static void createGoodCompositeData() throws Exception {
final int K = 1024;
// these values are synchronized with the item names
final Object[] values = {
new Long(5 * K), // committed
new Long(1 * K), // init
new Long(10 * K), // max
new Long(2 * K), // used
"Dummy",
"Dummy",
};
CompositeType muct =
new CompositeType("MyMemoryUsageCompositeType",
"CompositeType for MemoryUsage",
memoryUsageItemNames,
memoryUsageItemNames,
memoryUsageItemTypes);
CompositeData cd =
new CompositeDataSupport(muct,
memoryUsageItemNames,
values);
MemoryUsage u = MemoryUsage.from(cd);
if (u.getInit() != ((Long) values[INIT]).longValue()) {
throw new RuntimeException("init = " + u.getInit() +
" expected = " + values[INIT]);
}
if (u.getUsed() != ((Long) values[USED]).longValue()) {
throw new RuntimeException("used = " + u.getUsed() +
" expected = " + values[USED]);
}
if (u.getCommitted() != ((Long) values[COMMITTED]).longValue()) {
throw new RuntimeException("committed = " + u.getCommitted() +
" expected = " + values[COMMITTED]);
}
if (u.getMax() != ((Long) values[MAX]).longValue()) {
throw new RuntimeException("max = " + u.getMax() +
" expected = " + values[MAX]);
}
System.out.println(u);
}
public static void createGoodCompositeData() throws Exception {
final int K = 1024;
// these values are synchronized with the item names
final Object[] values = {
new Long(5 * K), // committed
new Long(1 * K), // init
new Long(10 * K), // max
new Long(2 * K), // used
"Dummy",
"Dummy",
};
CompositeType muct =
new CompositeType("MyMemoryUsageCompositeType",
"CompositeType for MemoryUsage",
memoryUsageItemNames,
memoryUsageItemNames,
memoryUsageItemTypes);
CompositeData cd =
new CompositeDataSupport(muct,
memoryUsageItemNames,
values);
MemoryUsage u = MemoryUsage.from(cd);
if (u.getInit() != ((Long) values[INIT]).longValue()) {
throw new RuntimeException("init = " + u.getInit() +
" expected = " + values[INIT]);
}
if (u.getUsed() != ((Long) values[USED]).longValue()) {
throw new RuntimeException("used = " + u.getUsed() +
" expected = " + values[USED]);
}
if (u.getCommitted() != ((Long) values[COMMITTED]).longValue()) {
throw new RuntimeException("committed = " + u.getCommitted() +
" expected = " + values[COMMITTED]);
}
if (u.getMax() != ((Long) values[MAX]).longValue()) {
throw new RuntimeException("max = " + u.getMax() +
" expected = " + values[MAX]);
}
System.out.println(u);
}
public static void createGoodCompositeData() throws Exception {
final int K = 1024;
// these values are synchronized with the item names
final Object[] values = {
new Long(5 * K), // committed
new Long(1 * K), // init
new Long(10 * K), // max
new Long(2 * K), // used
"Dummy",
"Dummy",
};
CompositeType muct =
new CompositeType("MyMemoryUsageCompositeType",
"CompositeType for MemoryUsage",
memoryUsageItemNames,
memoryUsageItemNames,
memoryUsageItemTypes);
CompositeData cd =
new CompositeDataSupport(muct,
memoryUsageItemNames,
values);
MemoryUsage u = MemoryUsage.from(cd);
if (u.getInit() != ((Long) values[INIT]).longValue()) {
throw new RuntimeException("init = " + u.getInit() +
" expected = " + values[INIT]);
}
if (u.getUsed() != ((Long) values[USED]).longValue()) {
throw new RuntimeException("used = " + u.getUsed() +
" expected = " + values[USED]);
}
if (u.getCommitted() != ((Long) values[COMMITTED]).longValue()) {
throw new RuntimeException("committed = " + u.getCommitted() +
" expected = " + values[COMMITTED]);
}
if (u.getMax() != ((Long) values[MAX]).longValue()) {
throw new RuntimeException("max = " + u.getMax() +
" expected = " + values[MAX]);
}
System.out.println(u);
}
public static void createGoodCompositeData() throws Exception {
final int K = 1024;
// these values are synchronized with the item names
final Object[] values = {
new Long(5 * K), // committed
new Long(1 * K), // init
new Long(10 * K), // max
new Long(2 * K), // used
"Dummy",
"Dummy",
};
CompositeType muct =
new CompositeType("MyMemoryUsageCompositeType",
"CompositeType for MemoryUsage",
memoryUsageItemNames,
memoryUsageItemNames,
memoryUsageItemTypes);
CompositeData cd =
new CompositeDataSupport(muct,
memoryUsageItemNames,
values);
MemoryUsage u = MemoryUsage.from(cd);
if (u.getInit() != ((Long) values[INIT]).longValue()) {
throw new RuntimeException("init = " + u.getInit() +
" expected = " + values[INIT]);
}
if (u.getUsed() != ((Long) values[USED]).longValue()) {
throw new RuntimeException("used = " + u.getUsed() +
" expected = " + values[USED]);
}
if (u.getCommitted() != ((Long) values[COMMITTED]).longValue()) {
throw new RuntimeException("committed = " + u.getCommitted() +
" expected = " + values[COMMITTED]);
}
if (u.getMax() != ((Long) values[MAX]).longValue()) {
throw new RuntimeException("max = " + u.getMax() +
" expected = " + values[MAX]);
}
System.out.println(u);
}
public static void createGoodCompositeData() throws Exception {
final int K = 1024;
// these values are synchronized with the item names
final Object[] values = {
new Long(5 * K), // committed
new Long(1 * K), // init
new Long(10 * K), // max
new Long(2 * K), // used
"Dummy",
"Dummy",
};
CompositeType muct =
new CompositeType("MyMemoryUsageCompositeType",
"CompositeType for MemoryUsage",
memoryUsageItemNames,
memoryUsageItemNames,
memoryUsageItemTypes);
CompositeData cd =
new CompositeDataSupport(muct,
memoryUsageItemNames,
values);
MemoryUsage u = MemoryUsage.from(cd);
if (u.getInit() != ((Long) values[INIT]).longValue()) {
throw new RuntimeException("init = " + u.getInit() +
" expected = " + values[INIT]);
}
if (u.getUsed() != ((Long) values[USED]).longValue()) {
throw new RuntimeException("used = " + u.getUsed() +
" expected = " + values[USED]);
}
if (u.getCommitted() != ((Long) values[COMMITTED]).longValue()) {
throw new RuntimeException("committed = " + u.getCommitted() +
" expected = " + values[COMMITTED]);
}
if (u.getMax() != ((Long) values[MAX]).longValue()) {
throw new RuntimeException("max = " + u.getMax() +
" expected = " + values[MAX]);
}
System.out.println(u);
}