class Dbsketch::Rendering::Meta::DatabaseRenderer

Public Class Methods

new(index_renderer: nil, operation_renderer: nil, table_renderer: nil, trigger_renderer: nil, view_renderer: nil, options: {}) click to toggle source
# 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

Public Instance Methods

alter(database_diff) click to toggle source
# 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) click to toggle source
# 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

Private Instance Methods

alter_item(item_diff) click to toggle source
# File lib/dbsketch/rendering/meta/database_renderer.rb, line 94
def alter_item item_diff
        if item_diff.old_value.is_a? Dbsketch::Model::Index
                "Index.alter #{create_item(item_diff.new_value)}"
        elsif item_diff.old_value.is_a? Dbsketch::Model::Operation
                "Operation.alter #{create_item(item_diff.new_value)}"
        elsif item_diff.old_value.is_a? Dbsketch::Model::Table
                @table_renderer.alter item_diff
        elsif item_diff.old_value.is_a? Dbsketch::Model::Trigger
                "Trigger.alter #{create_item(item_diff.new_value)}"
        elsif item_diff.old_value.is_a? Dbsketch::Model::View
                "View.alter #{create_item(item_diff.new_value)}"
        end
end
create_item(item) click to toggle source
# File lib/dbsketch/rendering/meta/database_renderer.rb, line 66
def create_item item
        if item.is_a? Dbsketch::Model::Index
                @index_renderer.create item
        elsif item.is_a? Dbsketch::Model::Operation
                @operation_renderer.create item
        elsif item.is_a? Dbsketch::Model::Table
                @table_renderer.create item
        elsif item.is_a? Dbsketch::Model::Trigger
                @trigger_renderer.create item
        elsif item.is_a? Dbsketch::Model::View
                @view_renderer.create item
        end
end
drop_item(item) click to toggle source
# File lib/dbsketch/rendering/meta/database_renderer.rb, line 80
def drop_item item
        if item.is_a? Dbsketch::Model::Index
                @index_renderer.drop item
        elsif item.is_a? Dbsketch::Model::Operation
                @operation_renderer.drop item
        elsif item.is_a? Dbsketch::Model::Table
                @table_renderer.drop item
        elsif item.is_a? Dbsketch::Model::Trigger
                @trigger_renderer.drop item
        elsif item.is_a? Dbsketch::Model::View
                @view_renderer.drop item
        end
end