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add onFailure to EnrichedMergeableStore #200

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merged 4 commits into from
Jan 13, 2014
Merged

add onFailure to EnrichedMergeableStore #200

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3f4ae13
add onFailure to EnrichedMergeableStore
singhala Dec 17, 2013
657c1b2
onFailure -> onMergeFailure
singhala Dec 17, 2013
9e8fa04
Merge branch 'develop' of https://github.com/twitter/storehaus into a…
singhala Jan 13, 2014
949a6d8
switch to using MergeableStoreProxy
singhala Jan 13, 2014
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8 changes: 8 additions & 0 deletions storehaus-algebra/src/main/scala/com/twitter/storehaus/algebra/EnrichedMergeableStore.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -49,4 +49,12 @@ class EnrichedMergeableStore[K, V](store: MergeableStore[K, V]) {

def convert[K1, V1](fn: K1 => K)(implicit bij: ImplicitBijection[V1, V]): MergeableStore[K1, V1] =
MergeableStore.convert(store)(fn)

def onMergeFailure(rescueException: Throwable => Unit): MergeableStore[K, V] =
new MergeableStoreProxy[K, V] {
override def self = store
override def merge(kv: (K, V)) = store.merge(kv).onFailure(rescueException)
override def multiMerge[K1 <: K](kvs: Map[K1, V]) =
store.multiMerge(kvs).mapValues { _.onFailure(rescueException) }
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mapValues is lazy. This is not being applied if any keys are not accessed.

}
}