ProcessQuery to get pid from windows service name

bindings/java/src/net/hyperic/sigar/ptql/WindowsServiceQuery.java

@@ -0,0 +1,27 @@
+package net.hyperic.sigar.ptql;
+
+import net.hyperic.sigar.Sigar;
+import net.hyperic.sigar.SigarProxy;
+import net.hyperic.sigar.SigarException;
+
+public class WindowsServiceQuery implements ProcessQuery {
+
+    private String name;
+
+    public static native long getServicePid(String name);
+
+    public WindowsServiceQuery(String name) {
+        this.name = name;
+    }
+
+    public boolean match(SigarProxy sigar, long pid) 
+        throws SigarException {
+
+        return pid == getServicePid(this.name);
+    }
+
+    public static void main(String[] args) throws Exception {
+        Sigar sigar = new Sigar(); //load the .dll
+        System.out.println(getServicePid(args[0]));
+    }
+}