Class: Relix::MultiIndex

Inherits:
Index
  • Object
show all
Includes:
Ordering
Defined in:
lib/relix/indexes/multi.rb

Instance Attribute Summary

Attributes inherited from Index

#model_name

Instance Method Summary collapse

Methods inherited from Index

#attribute_immutable?, compact_kind, #create_query_clause, #filter, #initialize, kind, #name, #normalize, #query, #read, #read_normalized, #watch

Constructor Details

This class inherits a constructor from Relix::Index

Instance Method Details

#deindex(r, pk, object, old_value) ⇒ Object 



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# File 'lib/relix/indexes/multi.rb', line 14

def deindex(r, pk, object, old_value)
  r.zrem(key_for(old_value), pk)
end

#eq(r, value, options = {}) ⇒ Object 



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# File 'lib/relix/indexes/multi.rb', line 18

def eq(r, value, options={})
  r.zrange(key_for(value), *range_from_options(r, options, value))
end

#index(r, pk, object, value, old_value) ⇒ Object 



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# File 'lib/relix/indexes/multi.rb', line 9

def index(r, pk, object, value, old_value)
  r.zadd(key_for(value), score(object, value), pk)
  r.zrem(key_for(old_value), pk)
end

#key_for(value) ⇒ Object 



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# File 'lib/relix/indexes/multi.rb', line 28

def key_for(value)
  @set.keyer.component(name, value)
end

#position(r, pk, value) ⇒ Object

Raises:



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# File 'lib/relix/indexes/multi.rb', line 22

def position(r, pk, value)
  position = r.zrank(key_for(value), pk)
  raise MissingIndexValueError, "Cannot find key #{pk} in index for #{value}" unless position
  position
end

#watch_keys(*values) ⇒ Object 



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# File 'lib/relix/indexes/multi.rb', line 5

def watch_keys(*values)
  values.compact.map { |v| key_for(v) }
end