Class: Friendly::Index

Inherits:

Table

• Object
• Storage
• Table
• Friendly::Index

show all

Defined in:

lib/friendly/index.rb

Instance Attribute Summary (collapse)

• - (Object) datastore readonly

  Returns the value of attribute datastore.

• - (Object) fields readonly

  Returns the value of attribute fields.

• - (Object) klass readonly

  Returns the value of attribute klass.

Instance Method Summary (collapse)

• - (Object) all(query)
• - (Object) count(query)
• - (Object) create(document)
• - (Object) destroy(document)
• - (Object) first(query)
• - (Index) initialize(klass, fields, datastore = Friendly.datastore) constructor

  A new instance of Index.

• - (Boolean) satisfies?(query)
• - (Object) table_name
• - (Object) update(document)

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# File 'lib/friendly/index.rb', line 7

def initialize(klass, fields, datastore = Friendly.datastore)
  @klass     = klass
  @fields    = fields
  @datastore = datastore
end

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# File 'lib/friendly/index.rb', line 5

def datastore
  @datastore
end

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# File 'lib/friendly/index.rb', line 5

def fields
  @fields
end

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# File 'lib/friendly/index.rb', line 5

def klass
  @klass
end

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# File 'lib/friendly/index.rb', line 26

def all(query)
  ids = datastore.all(self, query).map { |row| row[:id] }
  klass.all(:id => ids, :preserve_order! => !query.order.nil?)
end

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# File 'lib/friendly/index.rb', line 31

def count(query)
  datastore.count(self, query)
end

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# File 'lib/friendly/index.rb', line 35

def create(document)
  datastore.insert(self, record(document))
end

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# File 'lib/friendly/index.rb', line 43

def destroy(document)
  datastore.delete(self, document.id)
end

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# File 'lib/friendly/index.rb', line 21

def first(query)
  row = datastore.first(self, query)
  row && klass.first(:id => row[:id])
end

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# File 'lib/friendly/index.rb', line 17

def satisfies?(query)
  exact_match?(query) || valid_partial_match?(query)
end

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# File 'lib/friendly/index.rb', line 13

def table_name
  ["index", klass.table_name, "on", fields.join("_and_")].join("_")
end

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# File 'lib/friendly/index.rb', line 39

def update(document)
  datastore.update(self, document.id, record(document))
end