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[FIX] getRAM работает на OpenJDK 11+

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Zaxar163 2019-04-10 11:01:43 +03:00
parent 6580ef4d73
commit 423565fa75
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1 changed files with 11 additions and 2 deletions
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13
libLauncher/src/main/java/ru/gravit/utils/helper/JVMHelper.java
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@ -7,6 +7,8 @@
import java.lang.management.ManagementFactory;
import java.lang.management.OperatingSystemMXBean;
import java.lang.management.RuntimeMXBean;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Arrays;
@ -136,8 +138,15 @@ public static String getEnvPropertyCaseSensitive(String name) {
}
private static int getRAMAmount() {
// TODO Normal fix.
int physicalRam = (int) (((com.sun.management.OperatingSystemMXBean) OPERATING_SYSTEM_MXBEAN).getTotalPhysicalMemorySize() >> 20);
int physicalRam = 1024;
try {
final Method getTotalPhysicalMemorySize = OPERATING_SYSTEM_MXBEAN.getClass().getDeclaredMethod("getTotalPhysicalMemorySize");
getTotalPhysicalMemorySize.setAccessible(true);
physicalRam = (int) ((long)getTotalPhysicalMemorySize.invoke(OPERATING_SYSTEM_MXBEAN) >> 20);
} catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException | NoSuchMethodException
| SecurityException e) {
throw new Error(e);
}
return Math.min(physicalRam, OS_BITS == 32 ? 1536 : 32768); // Limit 32-bit OS to 1536 MiB, and 64-bit OS to 32768 MiB (because it's enough)
}