akka.cluster
Class VectorClock
java.lang.Object
akka.cluster.VectorClock
- All Implemented Interfaces:
- java.io.Serializable, scala.Equals, scala.Product
public class VectorClock
- extends java.lang.Object
- implements scala.Product, scala.Serializable
- See Also:
- Serialized Form
Constructor Summary |
VectorClock(scala.collection.immutable.TreeMap<java.lang.String,java.lang.Object> versions)
|
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Methods inherited from interface scala.Product |
productArity, productElement, productIterator, productPrefix |
Methods inherited from interface scala.Equals |
canEqual, equals |
VectorClock
public VectorClock(scala.collection.immutable.TreeMap<java.lang.String,java.lang.Object> versions)
versions
public scala.collection.immutable.TreeMap<java.lang.String,java.lang.Object> versions()
compareTo
public VectorClock.Ordering compareTo(VectorClock that)
- Compare two vector clocks. The outcome will be one of the following:
1. Clock 1 is SAME (==) as Clock 2 iff for all i c1(i) == c2(i)
2. Clock 1 is BEFORE (<) Clock 2 iff for all i c1(i) <= c2(i) and there exist a j such that c1(j) < c2(j)
3. Clock 1 is AFTER (>) Clock 2 iff for all i c1(i) >= c2(i) and there exist a j such that c1(j) > c2(j).
4. Clock 1 is CONCURRENT (<>) to Clock 2 otherwise.
- Parameters:
that
- (undocumented)
- Returns:
- (undocumented)
merge
public VectorClock merge(VectorClock that)
- Merges this VectorClock with another VectorClock. E.g. merges its versioned history.
- Parameters:
that
- (undocumented)
- Returns:
- (undocumented)
toString
public java.lang.String toString()
- Overrides:
toString
in class java.lang.Object