Class: CassandraDB::QueryCondition

Inherits:
Object
  • Object
show all
Defined in:
lib/cassandra_db/query_condition.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(field, value) ⇒ QueryCondition

Returns a new instance of QueryCondition.



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# File 'lib/cassandra_db/query_condition.rb', line 6

def initialize(field, value)
  @field = field
  @value = value
  @operator = value.is_a?(Array) ? 'IN' : '='
end

Instance Attribute Details

#field ⇒ Object (readonly)

Returns the value of attribute field.



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# File 'lib/cassandra_db/query_condition.rb', line 4

def field
  @field
end

#operator ⇒ Object (readonly)

Returns the value of attribute operator.



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# File 'lib/cassandra_db/query_condition.rb', line 4

def operator
  @operator
end

#value ⇒ Object (readonly)

Returns the value of attribute value.



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# File 'lib/cassandra_db/query_condition.rb', line 4

def value
  @value
end

Instance Method Details

#to_argument ⇒ Object 



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# File 'lib/cassandra_db/query_condition.rb', line 16

def to_argument
  {field => value}
end

#to_cql ⇒ Object 



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# File 'lib/cassandra_db/query_condition.rb', line 12

def to_cql
  "#{field} #{operator} :#{field}"
end