Class: Dbsketch::Rendering::Meta::DatabaseRenderer

Inherits:
Object
  • Object
show all
Defined in:
lib/dbsketch/rendering/meta/database_renderer.rb

Instance Method Summary collapse

Constructor Details

#initialize(index_renderer: nil, operation_renderer: nil, table_renderer: nil, trigger_renderer: nil, view_renderer: nil, options: {}, keywords: {}) ⇒ DatabaseRenderer

Returns a new instance of DatabaseRenderer.

Raises:

  • (ArgumentError) 


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# File 'lib/dbsketch/rendering/meta/database_renderer.rb', line 19

def initialize index_renderer: nil, operation_renderer: nil, table_renderer: nil, trigger_renderer: nil, view_renderer: nil, options: {}, keywords: {}
	### Preconditions
	raise ArgumentError, "index_renderer is not a Dbsketch::Rendering::Meta::IndexRenderer" unless nil == index_renderer or index_renderer.is_a? IndexRenderer
	raise ArgumentError, "operation_renderer is not a Dbsketch::Rendering::Meta::OperationRenderer" unless nil == operation_renderer or operation_renderer.is_a? OperationRenderer
	raise ArgumentError, "table_renderer is not a Dbsketch::Rendering::Meta::TableRenderer" unless nil == table_renderer or table_renderer.is_a? TableRenderer
	raise ArgumentError, "trigger_renderer is not a Dbsketch::Rendering::Meta::TriggerRenderer" unless nil == trigger_renderer or trigger_renderer.is_a? TriggerRenderer
	raise ArgumentError, "view_renderer is not a Dbsketch::Rendering::Meta::ViewRenderer" unless nil == view_renderer or view_renderer.is_a? ViewRenderer
	raise ArgumentError, "options is not a Hash" unless options.is_a? Hash
	raise ArgumentError, "keywords is not a Hash" unless keywords.is_a? Hash
	###
	@options = {
		:order_by_dependencies	=> true,
		:pretty					=> false
	}.merge options
	@keywords = keywords
	@index_renderer = (nil == index_renderer ? IndexRenderer.new : index_renderer)
	@operation_renderer = (nil == operation_renderer ? OperationRenderer.new : operation_renderer)
	@table_renderer = (nil == table_renderer ? TableRenderer.new(:options => @options, :keywords => @keywords) : table_renderer)
	@trigger_renderer = (nil == trigger_renderer ? TriggerRenderer.new : trigger_renderer)
	@view_renderer = (nil == view_renderer ? ViewRenderer.new : view_renderer)
end

Instance Method Details

#alter(database_diff) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/dbsketch/rendering/meta/database_renderer.rb', line 50

def alter database_diff
	### Preconditions
	raise ArgumentError, "database_diff is not a Dbsketch::Comparison::DatabaseDiff" unless database_diff.is_a? Dbsketch::Comparison::DatabaseDiff
	###
	separator = "\n"

	diffs = database_diff.indexes + database_diff.operations + database_diff.tables + database_diff.triggers + database_diff.views
	deletions = diffs.select { |d| d.deletion? }.map { |i| drop_item i.old_value }
	changes = diffs.select { |d| d.change? }.map { |i| alter_item(i) }
	creations = diffs.select { |d| d.addition? }.map { |i| create_item i.new_value }

	(deletions + changes + creations).flatten.compact.join(separator) + separator
end

#create(database) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/dbsketch/rendering/meta/database_renderer.rb', line 41

def create database
	### Preconditions
	raise ArgumentError, "database is not a Dbsketch::Model::Database" unless database.is_a? Dbsketch::Model::Database
	###
	separator = @options[:pretty] ? "\n\n" : "\n"
	database.order_items! if @options[:order_by_dependencies]
	database.items.map { |i| create_item i }.flatten.compact.join(separator) + separator
end