Class: VORuby::ADQL::V1_0::Select

Inherits:
Object
  • Object
show all
Includes:
SerializableToXml
Defined in:
lib/voruby/adql/1.0/adql.rb

Overview

The SELECT part of a query

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from SerializableToXml

#element

Constructor Details

#initialize(selection_list, options = {}) ⇒ Select

Returns a new instance of Select.



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# File 'lib/voruby/adql/1.0/adql.rb', line 2258

def initialize(selection_list, options={})
  options.each { |key, value| send("#{key}=", value) }
  self.selection_list = selection_list
end

Instance Attribute Details

#allow ⇒ Object

Returns the value of attribute allow.



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# File 'lib/voruby/adql/1.0/adql.rb', line 2253

def allow
  @allow
end

#end_comment ⇒ Object

Returns the value of attribute end_comment.



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# File 'lib/voruby/adql/1.0/adql.rb', line 2253

def end_comment
  @end_comment
end

#from ⇒ Object

Returns the value of attribute from.



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# File 'lib/voruby/adql/1.0/adql.rb', line 2253

def from
  @from
end

#group_by ⇒ Object

Returns the value of attribute group_by.



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# File 'lib/voruby/adql/1.0/adql.rb', line 2253

def group_by
  @group_by
end

#having ⇒ Object

Returns the value of attribute having.



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# File 'lib/voruby/adql/1.0/adql.rb', line 2253

def having
  @having
end

#into ⇒ Object

Returns the value of attribute into.



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# File 'lib/voruby/adql/1.0/adql.rb', line 2253

def into
  @into
end

#order_by ⇒ Object

Returns the value of attribute order_by.



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# File 'lib/voruby/adql/1.0/adql.rb', line 2253

def order_by
  @order_by
end

#restrict ⇒ Object

Returns the value of attribute restrict.



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# File 'lib/voruby/adql/1.0/adql.rb', line 2253

def restrict
  @restrict
end

#selection_list ⇒ Object

Returns the value of attribute selection_list.



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# File 'lib/voruby/adql/1.0/adql.rb', line 2253

def selection_list
  @selection_list
end

#start_comment ⇒ Object

Returns the value of attribute start_comment.



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# File 'lib/voruby/adql/1.0/adql.rb', line 2253

def start_comment
  @start_comment
end

#where ⇒ Object

Returns the value of attribute where.



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# File 'lib/voruby/adql/1.0/adql.rb', line 2253

def where
  @where
end

Class Method Details

.from_xml(xml) ⇒ Object 



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# File 'lib/voruby/adql/1.0/adql.rb', line 2374

def self.from_xml(xml)
  root = element_from(xml)
  
  options = {}
  
  allow = REXML::XPath.first(root, 'x:Allow', {'x' => obj_ns.uri})
  options[:allow] = xml_to_obj(allow) if allow
  
  restrict = REXML::XPath.first(root, 'x:Restrict', {'x' => obj_ns.uri})
  options[:restrict] = xml_to_obj(restrict) if restrict
  
  into = REXML::XPath.first(root, 'x:InTo', {'x' => obj_ns.uri})
  options[:into] = xml_to_obj(into) if into
  
  from = REXML::XPath.first(root, 'x:From', {'x' => obj_ns.uri})
  options[:from] = xml_to_obj(from) if from
  
  where = REXML::XPath.first(root, 'x:Where', {'x' => obj_ns.uri})
  options[:where] = xml_to_obj(where) if where
  
  group_by = REXML::XPath.first(root, 'x:GroupBy', {'x' => obj_ns.uri})
  options[:group_by] = xml_to_obj(group_by) if group_by
  
  having = REXML::XPath.first(root, 'x:Having', {'x' => obj_ns.uri})
  options[:having] = xml_to_obj(having) if having
  
  order_by = REXML::XPath.first(root, 'x:OrderBy', {'x' => obj_ns.uri})
  options[:order_by] = xml_to_obj(order_by) if order_by
  
  start_comment = REXML::XPath.first(root, 'x:StartComment', {'x' => obj_ns.uri})
  options[:start_comment] = start_comment.text if start_comment
  
  end_comment = REXML::XPath.first(root, 'x:EndComment', {'x' => obj_ns.uri})
  options[:end_comment] = end_comment.text if end_comment
  
  self.new(
    xml_to_obj(REXML::XPath.first(root, 'x:SelectionList', {'x' => obj_ns.uri})),
    options
  )
end

.xml_type ⇒ Object 



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# File 'lib/voruby/adql/1.0/adql.rb', line 2256

def self.xml_type; 'selectType' end

Instance Method Details

#==(s) ⇒ Object 



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# File 'lib/voruby/adql/1.0/adql.rb', line 2317

def ==(s)
 self.allow == s.allow and
 self.restrict == s.restrict and
 self.selection_list == s.selection_list and
 self.into == s.into and
 self.from == s.from and
 self.where == s.where and
 self.group_by == s.group_by and
 self.having == s.having and
 self.order_by == s.order_by and
 self.start_comment == s.start_comment and
 self.end_comment == s.end_comment 
end

#to_s ⇒ Object 



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# File 'lib/voruby/adql/1.0/adql.rb', line 2331

def to_s
  s = 'SELECT'
  s << " #{self.allow}" if self.allow
  s << " #{self.restrict}" if self.restrict
  s << " #{self.selection_list}"
  s << " #{self.into}" if self.into
  s << " #{self.from}" if self.from
  s << " #{self.where}" if self.where
  s << " #{self.group_by}" if self.group_by
  s << " #{self.having}" if self.having
  s << " #{self.order_by}" if self.order_by
  s
end

#to_xml(name = 'Select') ⇒ Object 



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# File 'lib/voruby/adql/1.0/adql.rb', line 2345

def to_xml(name='Select')
  el = element_root(name)
  
  el.add_element(self.allow.to_xml('Allow')) if self.allow
  el.add_element(self.restrict.to_xml('Restrict')) if self.restrict
  el.add_element(self.selection_list.to_xml('SelectionList'))
  el.add_element(self.into.to_xml('InTo')) if self.into
  el.add_element(self.from.to_xml('From')) if self.from
  el.add_element(self.where.to_xml('Where')) if self.where
  el.add_element(self.group_by.to_xml('GroupBy')) if self.group_by
  el.add_element(self.having.to_xml('Having')) if self.having
  el.add_element(self.order_by.to_xml('OrderBy')) if self.order_by
  
  if self.start_comment
    sc = REXML::Element.new("#{obj_ns.prefix}:StartComment")
    sc.text = self.start_comment
    el.add_element(sc)
  end
  
  if self.end_comment
    ec = REXML::Element.new("#{obj_ns.prefix}:EndComment")
    ec.text = self.end_comment
    el.add_element(ec)
  end
  
  collapse_namespaces(el)
  el
end