Class: SQLAliasedList

Inherits:
SQLObject show all
Defined in:
lib/sqlobject.rb

Overview

Class container - a list of SQLObjects with aliases

Instance Attribute Summary collapse

Attributes inherited from SQLObject

#alias, #inline, #name, #separator

Instance Method Summary collapse

Methods inherited from SQLObject

#_name, #_string, #_string=, get

Constructor Details

#initialize(*list) ⇒ SQLAliasedList

Returns a new instance of SQLAliasedList.



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# File 'lib/sqlobject.rb', line 195

def initialize ( *list )
    @list = _getList *list
end

Instance Attribute Details

#no_commas=(value) ⇒ Object (writeonly)

Sets the attribute no_commas

Parameters:

  • value —

    the value to set the attribute no_commas to.



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# File 'lib/sqlobject.rb', line 193

def no_commas=(value)
  @no_commas = value
end

Instance Method Details

#<<(*list) ⇒ Object 



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# File 'lib/sqlobject.rb', line 199

def << ( *list )
    @list += _getList *list
    return self 
end

#[](i) ⇒ Object 



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# File 'lib/sqlobject.rb', line 220

def [] (i)
    @list[i]
end

#delete_if(&block) ⇒ Object 



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# File 'lib/sqlobject.rb', line 216

def delete_if ( &block )
    @list.delete_if &block
end

#each(&block) ⇒ Object 



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# File 'lib/sqlobject.rb', line 212

def each ( &block )
    @list.each &block
end

#each_with_index(&block) ⇒ Object 



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# File 'lib/sqlobject.rb', line 232

def each_with_index ( &block )
    @list.each_with_index &block
end

#find(&block) ⇒ Object 



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# File 'lib/sqlobject.rb', line 224

def find ( &block )
    @list.find &block
end

#length ⇒ Object 



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# File 'lib/sqlobject.rb', line 208

def length
    @list.length
end

#push(*list) ⇒ Object 



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# File 'lib/sqlobject.rb', line 204

def push ( *list )
    @list += _getList( *list )
end

#select(&block) ⇒ Object 



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# File 'lib/sqlobject.rb', line 228

def select ( &block )
    @list.each &block
end

#to_s ⇒ Object 



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# File 'lib/sqlobject.rb', line 236

def to_s
    return @string  if @string
    arr = @list.map { |obj|  obj.to_s + ( obj.alias  ? " " + obj.alias.to_s  : "" ) }
    list_separator = @no_commas  ? ""  : ","
    @string = arr.join list_separator
end