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ORMap and friends have deltas (#22350)

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This commit is contained in:
gosubpl 2017-02-23 01:20:33 +01:00
parent 40b883cda7
commit 1f2ef60174
15 changed files with 4371 additions and 140 deletions
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21
akka-distributed-data/src/test/scala/akka/cluster/ddata/LWWMapSpec.scala
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@ -47,6 +47,27 @@ class LWWMapSpec extends WordSpec with Matchers {
(m3 merge m4).entries should be(Map("a" → 1, "b" → 22, "c" → 3))
}
"be able to work with deltas" in {
val m1 = LWWMap.empty.put(node1, "a", 1, defaultClock[Int]).put(node1, "b", 2, defaultClock[Int])
val m2 = LWWMap.empty.put(node2, "c", 3, defaultClock[Int])
val expected = Map("a" → 1, "b" → 2, "c" → 3)
(m1 merge m2).entries should be(expected)
(m2 merge m1).entries should be(expected)
LWWMap.empty.mergeDelta(m1.delta.get).mergeDelta(m2.delta.get).entries should be(expected)
LWWMap.empty.mergeDelta(m2.delta.get).mergeDelta(m1.delta.get).entries should be(expected)
val merged1 = m1 merge m2
val m3 = merged1.resetDelta.remove(node1, "b")
(merged1 mergeDelta m3.delta.get).entries should be(Map("a" → 1, "c" → 3))
// but if there is a conflicting update the entry is not removed
val m4 = merged1.resetDelta.put(node2, "b", 22, defaultClock[Int])
(m3 mergeDelta m4.delta.get).entries should be(Map("a" → 1, "b" → 22, "c" → 3))
}
"have unapply extractor" in {
val m1 = LWWMap.empty.put(node1, "a", 1L, defaultClock[Long])
val LWWMap(entries1) = m1