src/share/classes/sun/jvmstat/perfdata/monitor/v1_0/PerfDataBuffer.java

*** 45,55 ****
  public class PerfDataBuffer extends PerfDataBufferImpl {
  
      private static final boolean DEBUG = false;
      private static final int syncWaitMs =
              Integer.getInteger("sun.jvmstat.perdata.syncWaitMs", 5000);
!     private static final ArrayList EMPTY_LIST = new ArrayList(0);
  
      /*
       * the following constants must be kept in sync with struct
       * PerfDataEntry in perfMemory.hpp
       */
--- 45,55 ----
  public class PerfDataBuffer extends PerfDataBufferImpl {
  
      private static final boolean DEBUG = false;
      private static final int syncWaitMs =
              Integer.getInteger("sun.jvmstat.perdata.syncWaitMs", 5000);
!     private static final ArrayList<Monitor> EMPTY_LIST = new ArrayList<Monitor>(0);
  
      /*
       * the following constants must be kept in sync with struct
       * PerfDataEntry in perfMemory.hpp
       */
*** 188,199 ****
  
          // load any new monitors
          getNewMonitors(map);
  
          // current implementation doesn't support deletion or reuse of entries
!         ArrayList removed = EMPTY_LIST;
!         ArrayList inserted = insertedMonitors;
  
          insertedMonitors = new ArrayList<Monitor>();
          return new MonitorStatus(inserted, removed);
      }
  
--- 188,199 ----
  
          // load any new monitors
          getNewMonitors(map);
  
          // current implementation doesn't support deletion or reuse of entries
!         ArrayList<Monitor> removed = EMPTY_LIST;
!         ArrayList<Monitor> inserted = insertedMonitors;
  
          insertedMonitors = new ArrayList<Monitor>();
          return new MonitorStatus(inserted, removed);
      }
  
*** 616,633 ****
      }
  
      /**
       * Method to dump debugging information
       */
!     private void dumpAll(Map map, int lvmid) {
          if (DEBUG) {
!             Set keys = map.keySet();
  
              System.err.println("Dump for " + lvmid);
              int j = 0;
!             for (Iterator i = keys.iterator(); i.hasNext(); j++) {
!                 Monitor monitor = (Monitor)map.get(i.next());
                  System.err.println(j + "\t" + monitor.getName()
                                     + "=" + monitor.getValue());
              }
              System.err.println("nextEntry = " + nextEntry
                                 + " pollForEntry = " + pollForEntry);
--- 616,633 ----
      }
  
      /**
       * Method to dump debugging information
       */
!     private void dumpAll(Map<?, Monitor> map, int lvmid) {
          if (DEBUG) {
!             Set<?> keys = map.keySet();
  
              System.err.println("Dump for " + lvmid);
              int j = 0;
!             for (Iterator<?> i = keys.iterator(); i.hasNext(); j++) {
!                 Monitor monitor = map.get(i.next());
                  System.err.println(j + "\t" + monitor.getName()
                                     + "=" + monitor.getValue());
              }
              System.err.println("nextEntry = " + nextEntry
                                 + " pollForEntry = " + pollForEntry);