item.rb in rbbt-util-5.14.30

- old
+ new

@@ -82,10 +82,11 @@
 
     return [{}] * self.length if fields.nil? or fields.empty?
 
     value = self.value
     value.collect{|v|
+      raise "No info for pair; not registered in index" if v.nil?
       Hash[*fields.zip(v).flatten]
     }
   end
 
   property :tsv => :array do
@@ -99,9 +100,15 @@
     tsv.entity_options = {:organism => namespace}
     knowledge_base.entity_options.each do |type,options|
       tsv.entity_options.merge! options
     end
     tsv
+  end
+
+  property :filter => :array do |*args,&block|
+    keys = tsv.select(*args,&block).keys
+    keys = self.annotate Annotated.purge(keys)
+    keys
   end
 
   def self.incidence(pairs, key_field = nil, &block)
     matrix = {}
     targets = []