Changes in 7184ba4: bug6209: made Kadane node ID counter atomic

				java/com.sap.sse.common/src/com/sap/sse/common/scalablevalue/KadaneExtremeSubsequenceFinderLinkedNodesImpl.java
			
          @@ -7,6 +7,7 @@ import java.io.Serializable;

           import java.util.Collections;

           import java.util.Iterator;

           import java.util.TreeSet;

          +import java.util.concurrent.atomic.AtomicInteger;

           import java.util.function.BiFunction;

           import java.util.function.Consumer;

           import java.util.function.Function;

          @@ -63,7 +64,7 @@ public class KadaneExtremeSubsequenceFinderLinkedNodesImpl<ValueType, AveragesTo

                */

               private static class Node<ValueType, AveragesTo extends Comparable<AveragesTo>, T extends ComparableScalableValueWithDistance<ValueType, AveragesTo>> implements Serializable {

                   private static final long serialVersionUID = -2547142048423135013L;

          -        private static int idCounter = 0;

          +        private static final AtomicInteger idCounter = new AtomicInteger(0);

                   private final T value;

                   private final int id;

                   private transient Node<ValueType, AveragesTo, T> previous;

          @@ -75,7 +76,7 @@ public class KadaneExtremeSubsequenceFinderLinkedNodesImpl<ValueType, AveragesTo

                   private Node(Node<ValueType, AveragesTo, T> previous, Node<ValueType, AveragesTo, T> next, T value) {

                       super();

          -            id = idCounter++;

          +            id = idCounter.getAndIncrement();

                       this.previous = previous;

                       this.next = next;

                       this.value = value;

...	...	@@ -7,6 +7,7 @@ import java.io.Serializable;
7	7	import java.util.Collections;
8	8	import java.util.Iterator;
9	9	import java.util.TreeSet;
	10	+import java.util.concurrent.atomic.AtomicInteger;
10	11	import java.util.function.BiFunction;
11	12	import java.util.function.Consumer;
12	13	import java.util.function.Function;
...	...	@@ -63,7 +64,7 @@ public class KadaneExtremeSubsequenceFinderLinkedNodesImpl<ValueType, AveragesTo
63	64	*/
64	65	private static class Node<ValueType, AveragesTo extends Comparable<AveragesTo>, T extends ComparableScalableValueWithDistance<ValueType, AveragesTo>> implements Serializable {
65	66	private static final long serialVersionUID = -2547142048423135013L;
66		- private static int idCounter = 0;
	67	+ private static final AtomicInteger idCounter = new AtomicInteger(0);
67	68	private final T value;
68	69	private final int id;
69	70	private transient Node<ValueType, AveragesTo, T> previous;
...	...	@@ -75,7 +76,7 @@ public class KadaneExtremeSubsequenceFinderLinkedNodesImpl<ValueType, AveragesTo
75	76
76	77	private Node(Node<ValueType, AveragesTo, T> previous, Node<ValueType, AveragesTo, T> next, T value) {
77	78	super();
78		- id = idCounter++;
	79	+ id = idCounter.getAndIncrement();
79	80	this.previous = previous;
80	81	this.next = next;
81	82	this.value = value;