Class: CassandraCQL::Row

Inherits:
Object
  • Object
show all
Defined in:
lib/cassandra-cql/row.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(row, schema) ⇒ Row

Returns a new instance of Row.



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# File 'lib/cassandra-cql/row.rb', line 21

def initialize(row, schema)
  @row, @schema = row, schema
end

Instance Attribute Details

#row ⇒ Object (readonly)

Returns the value of attribute row.



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# File 'lib/cassandra-cql/row.rb', line 19

def row
  @row
end

Instance Method Details

#[](obj) ⇒ Object 



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# File 'lib/cassandra-cql/row.rb', line 25

def [](obj)
  column_index = obj.kind_of?(Fixnum) ? obj : column_names.index(obj)
  return nil if column_index.nil?
  column_values[column_index]
end

#column_names ⇒ Object 



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# File 'lib/cassandra-cql/row.rb', line 31

def column_names
  @names ||= @row.columns.map do |column|
    ColumnFamily.cast(column.name, @schema.names[column.name])
  end
end

#column_values ⇒ Object 



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# File 'lib/cassandra-cql/row.rb', line 37

def column_values
  @values ||= @row.columns.map { |column| ColumnFamily.cast(column.value, @schema.values[column.name]) }
end

#columns ⇒ Object 



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# File 'lib/cassandra-cql/row.rb', line 41

def columns
  @row.columns.size
end

#to_a ⇒ Object 



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# File 'lib/cassandra-cql/row.rb', line 45

def to_a
  column_values
end

#to_hash ⇒ Object

TODO: This should be an ordered hash



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# File 'lib/cassandra-cql/row.rb', line 50

def to_hash
  Hash[([column_names, column_values]).transpose]
end