Class: Jackcess::Column

Inherits:
Object
  • Object
show all
Defined in:
lib/jackcess/column.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(java_column) ⇒ Column

Returns a new instance of Column.



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# File 'lib/jackcess/column.rb', line 7

def initialize(java_column)
  @java_column = java_column
end

Instance Attribute Details

#java_column ⇒ Object (readonly)

Returns the value of attribute java_column.



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# File 'lib/jackcess/column.rb', line 5

def java_column
  @java_column
end

Instance Method Details

#auto_number? ⇒ Boolean

Check if column is auto-number

Returns:

  • (Boolean) 


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# File 'lib/jackcess/column.rb', line 32

def auto_number?
  @java_column.is_auto_number
end

#inspect ⇒ Object 



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# File 'lib/jackcess/column.rb', line 53

def inspect
  "#<Jackcess::Column name=#{name.inspect} type=#{type.inspect}>"
end

#length ⇒ Object

Get column length



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# File 'lib/jackcess/column.rb', line 27

def length
  @java_column.get_length
end

#name ⇒ Object

Get column name



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# File 'lib/jackcess/column.rb', line 12

def name
  @java_column.get_name
end

#properties ⇒ Object

Get column properties



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# File 'lib/jackcess/column.rb', line 42

def properties
  {
    name: name,
    type: type,
    sql_type: sql_type,
    length: length,
    auto_number: auto_number?,
    variable_length: variable_length?
  }
end

#sql_type ⇒ Object

Get column SQL type



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# File 'lib/jackcess/column.rb', line 22

def sql_type
  @java_column.get_sql_type
end

#to_s ⇒ Object 



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# File 'lib/jackcess/column.rb', line 57

def to_s
  "#{name} (#{type})"
end

#type ⇒ Object

Get column type as Ruby symbol



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# File 'lib/jackcess/column.rb', line 17

def type
  TypeConverter.data_type_to_ruby_type(@java_column.get_type)
end

#variable_length? ⇒ Boolean

Check if column is variable length

Returns:

  • (Boolean) 


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# File 'lib/jackcess/column.rb', line 37

def variable_length?
  @java_column.is_variable_length
end