Class: Embulk::Column

Inherits:
Struct
  • Object
show all
Defined in:
embulk-core/src/main/ruby/embulk/column.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ Column

Returns a new instance of Column



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# File 'embulk-core/src/main/ruby/embulk/column.rb', line 4

def initialize(*args)
  if args.length == 1 && args[0].is_a?(Hash)
    # initialize(hash)
    hash = args.first
    super(hash[:index], hash[:name], hash[:type], hash[:format])
  else
    # initialize(index, name, type, format)
    super(*args)
  end
end

Instance Attribute Details

#formatObject

Returns the value of attribute format

Returns:

  • (Object)

    the current value of format



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# File 'embulk-core/src/main/ruby/embulk/column.rb', line 3

def format
  @format
end

#indexObject

Returns the value of attribute index

Returns:

  • (Object)

    the current value of index



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# File 'embulk-core/src/main/ruby/embulk/column.rb', line 3

def index
  @index
end

#nameObject

Returns the value of attribute name

Returns:

  • (Object)

    the current value of name



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# File 'embulk-core/src/main/ruby/embulk/column.rb', line 3

def name
  @name
end

#typeObject

Returns the value of attribute type

Returns:

  • (Object)

    the current value of type



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# File 'embulk-core/src/main/ruby/embulk/column.rb', line 3

def type
  @type
end

Class Method Details

.from_java(java_column) ⇒ Object



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# File 'embulk-core/src/main/ruby/embulk/column.rb', line 23

def self.from_java(java_column)
  type = Type.from_java(java_column.getType)
  if type == :timestamp
    format = java_column.getType.getFormat
  else
    format = nil
  end

  Column.new(java_column.getIndex, java_column.getName, type, format)
end

Instance Method Details

#to_javaObject



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# File 'embulk-core/src/main/ruby/embulk/column.rb', line 34

def to_java
  if type == :timestamp && format
    Java::Column.new(index, name, Type.new_java_type(type).withFormat(format))
  else
    Java::Column.new(index, name, Type.new_java_type(type))
  end
end

#to_json(*args) ⇒ Object



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# File 'embulk-core/src/main/ruby/embulk/column.rb', line 15

def to_json(*args)
  if type == :timestamp && format
    {"index"=>index, "name"=>name, "type"=>type, "format"=>format}.to_json(*args)
  else
    {"index"=>index, "name"=>name, "type"=>type}.to_json(*args)
  end
end