class GeoserverMigrations::Migration
Attributes
assets_path[RW]
name[RW]
version[RW]
Public Class Methods
new(name = self.class.name, version = nil)
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# File lib/geoserver_migrations/migration.rb, line 6 def initialize(name = self.class.name, version = nil) @name = name @version = version @connection = nil @layers_to_create = {} @layers_to_delete = [] @styles_to_delete = [] @ordered_actions_to_take = [] @assets_path = nil end
Public Instance Methods
add_resource(resource_name)
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# File lib/geoserver_migrations/migration.rb, line 40 def add_resource(resource_name) # translate to full file-name and raise error if not exists? full_resource_name = File.join(File.expand_path(self.assets_path), resource_name ) raise StandardError.new("File #{full_resource_name} not found!") unless File.exists?(full_resource_name) @ordered_actions_to_take << {action: :add_resource, params: {name: full_resource_name }} end
announce(message)
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# File lib/geoserver_migrations/migration.rb, line 95 def announce(message) text = "#{version} #{name}: #{message}" length = [0, 75 - text.length].max write "== %s %s" % [text, "=" * length] end
create_layer(layer_name, &block)
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# File lib/geoserver_migrations/migration.rb, line 50 def create_layer(layer_name, &block) layer_config = GeoserverMigrations::LayerConfig.new(layer_name) layer_config.instance_eval(&block) if block_given? if layer_config.valid? @layers_to_create[layer_name] = layer_config @ordered_actions_to_take << {action: :create_layer, params: {name: layer_name, layer_config: layer_config}} end end
create_layergroup(layer_name, &block)
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# File lib/geoserver_migrations/migration.rb, line 59 def create_layergroup(layer_name, &block) layergroup_config = GeoserverMigrations::LayergroupConfig.new(layer_name) layergroup_config.instance_eval(&block) if block_given? if layergroup_config.valid? @layers_to_create[layer_name] = layergroup_config @ordered_actions_to_take << {action: :create_layergroup, params: {name: layer_name, layer_config: layergroup_config}} end end
delete_layer(layer_name)
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# File lib/geoserver_migrations/migration.rb, line 76 def delete_layer(layer_name) @layers_to_delete << layer_name @ordered_actions_to_take << {action: :delete_layer, params: {name: layer_name }} end
delete_layergroup(layer_name)
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# File lib/geoserver_migrations/migration.rb, line 81 def delete_layergroup(layer_name) @layers_to_delete << layer_name @ordered_actions_to_take << {action: :delete_layergroup, params: {name: layer_name }} end
delete_style(style_name)
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# File lib/geoserver_migrations/migration.rb, line 86 def delete_style(style_name) @styles_to_delete << style_name @ordered_actions_to_take << {action: :delete_style, params: {name: style_name }} end
migrate(direction = :up)
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# File lib/geoserver_migrations/migration.rb, line 17 def migrate(direction = :up) return unless [:up, :down].include?(direction) case direction when :up then announce "migrating" when :down then announce "reverting" end time = Benchmark.measure do # collect configuration run # puts @layers_to_create.inspect # create configured layers GeoserverMigrations::Base.connection.execute(@ordered_actions_to_take, direction) end operation = direction == :up ? 'migrated' : 'reverted' announce "#{operation} (%.4fs)" % time.real; write end
say(message, subitem = false)
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# File lib/geoserver_migrations/migration.rb, line 101 def say(message, subitem = false) write "#{subitem ? " ->" : "--"} #{message}" end
say_with_time(message) { || ... }
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# File lib/geoserver_migrations/migration.rb, line 105 def say_with_time(message) say(message) result = nil time = Benchmark.measure { result = yield } say "%.4fs" % time.real, :subitem say("#{result} rows", :subitem) if result.is_a?(Integer) result end
update_style(layer_name, &block)
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# File lib/geoserver_migrations/migration.rb, line 68 def update_style(layer_name, &block) layer_config = GeoserverMigrations::LayerConfig.new(layer_name, true) layer_config.instance_eval(&block) if block_given? if layer_config.valid? @ordered_actions_to_take << {action: :update_style, params: {name: layer_name, layer_config: layer_config}} end end
write(text = "")
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# File lib/geoserver_migrations/migration.rb, line 91 def write(text = "") puts(text) unless Rails.env.test? end