light9 Changeset - 72380e12d86c

Changeset - 72380e12d86c

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Drew Perttula - 7 years ago 2018-05-29 07:00:37
drewp@bigasterisk.com

performance: add @cachedUriValues
Ignore-this: f3a707bc25acc028dedd2f115a5d17e5

1 file changed with 10 insertions and 2 deletions:

light9/web/graph.coffee

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light9/web/graph.coffee

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@@ @@ -150,13 +150,14 @@ class window.SyncedGraph @@
     if @graph?
       @_applyPatch({addQuads: [], delQuads: @graph.getQuads()})
     # if we had a Store already, this lets N3.Store free all its indices/etc
     @graph = N3.Store()
     @_addPrefixes(@prefixes)
     @cachedFloatValues = new Map()
     @cachedFloatValues = new Map() # s + '|' + p -> number
     @cachedUriValues = new Map() # s + '|' + p -> Uri
   _clearGraphOnNewConnection: -> # must not send a patch to the server!
     log('graph: clearGraphOnNewConnection')
     @clearGraph()
     log('graph: clearGraphOnNewConnection done')
@@ @@ -225,12 +226,13 @@ class window.SyncedGraph @@
   _applyPatch: (patch) ->
     # In most cases you want applyAndSendPatch.
+    #
     # This is the only method that writes to @graph!
     @cachedFloatValues.clear()
     @cachedUriValues.clear()
     for quad in patch.delQuads
       #log("remove #{JSON.stringify(quad)}")
       did = @graph.removeQuad(quad)
       #log("removed: #{did}")
     for quad in patch.addQuads
       @graph.addQuad(quad)
@@ @@ -288,13 +290,19 @@ class window.SyncedGraph @@
     return ret
   stringValue: (s, p) ->
     @_singleValue(s, p).value
   uriValue: (s, p) ->
     @_singleValue(s, p)
     key = s.value + '|' + p.value
     hit = @cachedUriValues.get(key)
     return hit if hit != undefined
     ret = @_singleValue(s, p)
     @cachedUriValues.set(key, ret)
     return ret
   labelOrTail: (uri) ->
     try
       ret = @stringValue(uri, @Uri('rdfs:label'))
     catch
       words = uri.value.split('/')

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