Examples of javax.tools.diagnostics.runtime.java.JavaHeap

Package javax.tools.diagnostics.runtime.java

Examples of javax.tools.diagnostics.runtime.java.JavaHeap

javax.tools.diagnostics.runtime.java.JavaHeap
Represents a single heap of managed objects. The heap can be viewed as an unordered collection of JavaObjects or as a region of storage within the Java Virtual Machine instance. The heap commonly contains JavaObject instances that are reachable by navigating chains of {@link JavaReference}These references can be obtained from the {@link JavaRuntime#getHeapRoots()} method.A heap can contain instances which cannot be reached by the use of {@link JavaReference}

  }
  
  private void updateInstanceCount(JavaRuntime jr, Map javaClasses) {
    Iterator itHeap = jr.getHeaps().iterator();
    while (itHeap.hasNext()) {
      JavaHeap jh = (JavaHeap)itHeap.next();
      Iterator itObject = jh.getObjects().iterator();
      while (itObject.hasNext()) {
        Object next = itObject.next();
        // Check that this is a JavaObject (there may be CorruptData objects in the 
        // JavaHeap, we don't attempt to count these as instances of known classes). 
        if (next instanceof JavaObject) {

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    Iterator itHeaps = runtime.getHeaps().iterator();
    int countheaps = 1;
    
    while (itHeaps.hasNext())
    {
      JavaHeap theHeap = (JavaHeap)itHeaps.next();
      out.print("\t Heap #" + countheaps + ":  " + theHeap.getName()+ "\n");
      if (param != null){
        printSectionInfo(theHeap, out);
      }
      countheaps++;
    }

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    Iterator itHeaps = jr.getHeaps().iterator();
    int countheaps = 1;
    
    while (itHeaps.hasNext())
    {
      JavaHeap theHeap = (JavaHeap)itHeaps.next();
      if (theHeap.getName().indexOf(param)==0){
        out.print("\t Heap #" + countheaps + ":  " + theHeap.getName()+"\n");
        printOccupancyInfo(theHeap, out);
        printSectionInfo(theHeap, out);
        foundHeap = true;
      }
      countheaps++;

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