Class: CouchTap::DocumentHandler

Inherits:
Object
  • Object
show all
Defined in:
lib/couch_tap/document_handler.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(changes, filter = {}, &block) ⇒ DocumentHandler

Returns a new instance of DocumentHandler.



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# File 'lib/couch_tap/document_handler.rb', line 8

def initialize(changes, filter = {}, &block)
  @changes  = changes
  @filter   = filter
  @_block   = block
  @mode     = nil
end

Instance Attribute Details

#changes ⇒ Object (readonly)

Returns the value of attribute changes.



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# File 'lib/couch_tap/document_handler.rb', line 5

def changes
  @changes
end

#document ⇒ Object

Returns the value of attribute document.



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# File 'lib/couch_tap/document_handler.rb', line 6

def document
  @document
end

#filter ⇒ Object (readonly)

Returns the value of attribute filter.



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# File 'lib/couch_tap/document_handler.rb', line 5

def filter
  @filter
end

#id ⇒ Object

Returns the value of attribute id.



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# File 'lib/couch_tap/document_handler.rb', line 6

def id
  @id
end

#mode ⇒ Object (readonly)

Returns the value of attribute mode.



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# File 'lib/couch_tap/document_handler.rb', line 5

def mode
  @mode
end

Instance Method Details

#database ⇒ Object 



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# File 'lib/couch_tap/document_handler.rb', line 67

def database
  changes.database
end

#delete(document) ⇒ Object 



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# File 'lib/couch_tap/document_handler.rb', line 57

def delete(document)
  @mode = :delete
  self.document = document
  instance_eval(&@_block)
end

#handler ⇒ Object

END DSL



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# File 'lib/couch_tap/document_handler.rb', line 35

def handler
  self
end

#handles?(doc) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/couch_tap/document_handler.rb', line 15

def handles?(doc)
  @filter.each do |k,v|
    return false if doc[k.to_s] != v
  end
  true
end

#insert(document) ⇒ Object 



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# File 'lib/couch_tap/document_handler.rb', line 51

def insert(document)
  @mode = :insert
  self.document = document
  instance_eval(&@_block)
end

#key_filter ⇒ Object 



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# File 'lib/couch_tap/document_handler.rb', line 43

def key_filter
  {}
end

#primary_keys ⇒ Object 



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# File 'lib/couch_tap/document_handler.rb', line 39

def primary_keys
  []
end

#schema(name) ⇒ Object 



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# File 'lib/couch_tap/document_handler.rb', line 63

def schema(name)
  changes.schema(name)
end

#table(name, opts = {}, &block) ⇒ Object

Handle a table definition.



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# File 'lib/couch_tap/document_handler.rb', line 25

def table(name, opts = {}, &block)
  if @mode == :delete
    Destroyers::Table.new(self, name, opts, &block).execute
  elsif @mode == :insert
    Builders::Table.new(self, name, opts, &block).execute
  end
end