Class: LogStash::PluginMixins::JdbcStreaming::ParameterHandler

Inherits:
Object
  • Object
show all
Defined in:
lib/logstash/plugin_mixins/jdbc_streaming/parameter_handler.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(given_value) ⇒ ParameterHandler

Returns a new instance of ParameterHandler.



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# File 'lib/logstash/plugin_mixins/jdbc_streaming/parameter_handler.rb', line 38

def initialize(given_value)
  @given_value = given_value
end

Instance Attribute Details

#given_value ⇒ Object (readonly)

Returns the value of attribute given_value.



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# File 'lib/logstash/plugin_mixins/jdbc_streaming/parameter_handler.rb', line 36

def given_value
  @given_value
end

Class Method Details

.build_bind_value_handler(given_value) ⇒ Object 



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# File 'lib/logstash/plugin_mixins/jdbc_streaming/parameter_handler.rb', line 19

def self.build_bind_value_handler(given_value)
  handler = ConstantParameter.new(given_value)

  return handler unless given_value.is_a?(String) # allow non String constants

  first_percent_curly = given_value.index("%{")
  if first_percent_curly && given_value.index("}", first_percent_curly)
    return InterpolatedParameter.new(given_value)
  end

  if given_value =~ /\A(\s*\[[^\]]+\]\s*)*\z/
    return FieldParameter.new(given_value)
  end

  handler
end

.build_parameter_handler(given_value) ⇒ Object 



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# File 'lib/logstash/plugin_mixins/jdbc_streaming/parameter_handler.rb', line 6

def self.build_parameter_handler(given_value)
  # does it really make sense to deal with normal parameters differently?
  handler = FieldParameter.new(given_value)
  return handler unless given_value.is_a?(String)

  first_percent_curly = given_value.index("%{")
  if first_percent_curly && given_value.index("}", first_percent_curly)
    return InterpolatedParameter.new(given_value)
  end

  handler
end

Instance Method Details

#extract_from(event) ⇒ Object 



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# File 'lib/logstash/plugin_mixins/jdbc_streaming/parameter_handler.rb', line 42

def extract_from(event)
  # override in subclass
end