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only create one instance

This commit is contained in:
Doug MacEachern 2005-02-28 00:31:41 +00:00
parent 69158c8553
commit d8f0ca3bdf
1 changed files with 16 additions and 10 deletions
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10
bindings/java/src/net/hyperic/sigar/OperatingSystem.java
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@ -13,6 +13,8 @@ public class OperatingSystem {
private static final String ETC = private static final String ETC =
System.getProperty("sigar.etc.dir", "/etc") + "/"; System.getProperty("sigar.etc.dir", "/etc") + "/";
private static OperatingSystem instance = null;
private String name; private String name;
private String version; private String version;
private String arch; private String arch;
@ -23,7 +25,8 @@ public class OperatingSystem {
private OperatingSystem() { private OperatingSystem() {
} }
public static OperatingSystem getInstance() { public static synchronized OperatingSystem getInstance() {
if (instance == null) {
OperatingSystem os = new OperatingSystem(); OperatingSystem os = new OperatingSystem();
Properties props = System.getProperties(); Properties props = System.getProperties();
os.name = props.getProperty("os.name"); os.name = props.getProperty("os.name");
@ -35,7 +38,10 @@ public class OperatingSystem {
os.getLinuxInfo(); os.getLinuxInfo();
} }
return os; instance = os;
}
return instance;
} }
public String getName() { public String getName() {