Class: Cassandra::Trigger

Inherits:
Object
  • Object
show all
Defined in:
lib/cassandra/trigger.rb

Overview

Represents a trigger on a cassandra table

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#name ⇒ String (readonly)

Returns name of the trigger.

Returns:

  • (String) —

    name of the trigger.



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# File 'lib/cassandra/trigger.rb', line 25

def name
  @name
end

#options ⇒ Hash (readonly)

Returns options of the trigger.

Returns:

  • (Hash) —

    options of the trigger.



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# File 'lib/cassandra/trigger.rb', line 27

def options
  @options
end

#table ⇒ Cassandra::Table (readonly)

Returns table that the trigger applies to.

Returns:



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# File 'lib/cassandra/trigger.rb', line 23

def table
  @table
end

Instance Method Details

#custom_class_name ⇒ String

Returns name of the trigger class.

Returns:

  • (String) —

    name of the trigger class



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# File 'lib/cassandra/trigger.rb', line 39

def custom_class_name
  @options['class']
end

#to_cql ⇒ String

Returns a cql representation of this trigger.

Returns:

  • (String) —

    a cql representation of this trigger



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# File 'lib/cassandra/trigger.rb', line 44

def to_cql
  keyspace_name = Util.escape_name(@table.keyspace.name)
  table_name = Util.escape_name(@table.name)
  trigger_name = Util.escape_name(@name)

  "CREATE TRIGGER #{trigger_name} ON #{keyspace_name}.#{table_name} USING '#{@options['class']}';"
end