5. Specs
object CsvEntityTest extends Specification { • BDD
val TestReadDir = "/tmp/goldenport.d/read"
val TestCreateDir = "/tmp/goldenport.d/create/CsvEntity" • Behavior Driven
val readonlyCsvFileName = GoldenportTestUtility.readonlyCsvFileName Development
"CsvEntity Read" should {
"CsvEntity DefaultEntitySpace FileDataSource open" in { •
val space = new DefaultEntitySpace
space.addEntityClass(new CsvEntityClass())
val datasource = new FileDataSource(readonlyCsvFileName, space.context)
val mayCsv: Option[GEntity] = space.reconstitute(datasource)
mayCsv must beSome[GEntity]
val csv = mayCsv.get.asInstanceOf[CsvEntity]
csv.open()
csv.width must be(3)
csv.height must be(2)
csv.get(0, 0) must be_==("A") • Specs
csv.get(1, 0) must be_==("B")
csv.get(2, 0) must be_==("C")
csv.get(0, 1) must be_==("X")
csv.get(1, 1) must be_==("Y") • Scala
csv.get(2, 1) must be_==("Z")
csv.close()
}
2010 5 18
6. SimpleModeler
case class DER extends DomainResource { • DSL
term = " "
caption = " "
brief = <t></t>
description = <text></text>
• Scala DSL
id(" Id", DVI Id())
attribute(" Name", DVN Name())
} Google App
case class DVI Id extends DomainValueId { Engine Java
term = " Id"
caption = " Id"
brief = <t></t>
description = <text></text>
attribute("value", XString)
}
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8. g3
•
class Join extends G3Application {
agent('compute) {
case x: Int => x + 100
• Scala DSL
}
start(List(1, 2, 3, 4, 5)) split() publish("compute") join() aggregate()
}
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9. class MyTodo extends Todo { • TODO
name = " " Scala DSL
" " until 20100505
• Scala DSL HTML
" " until 20100606
" " until 20100707
task(" ") {
until = 20100808
todo("PC ")
"IDE " until 20100707
}
}
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12. class MyTodo extends Todo {
name = " "
}
abstract class Todo {
var name: String = _
}
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13. class MyTodo extends Todo {
name = " "
import scala.collection.mutable.ArrayBuffer
todo(" ")
todo(" ") abstract class Todo {
var name: String = _
todo(" ") val items = new ArrayBuffer[TodoItem]
}
def todo(title: String) {
val item = new TodoItem(title)
items += item
}
}
class TodoItem(val title: String) {
}
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14. import scala.collection.mutable.ArrayBuffer
class MyTodo extends Todo {
name = " " abstract class Todo {
var name: String = _
val items = new ArrayBuffer[TodoItem]
todo(" ") until 20100505
def todo(title: String): TodoItem = {
todo(" ") until 20100606 val item = new TodoItem(title)
todo(" ") until 20100707 items += item
item
} }
}
class TodoItem(val title: String) {
var untilDate: Int = _
def until(date: Int): TodoItem = {
untilDate = date
this
}
}
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(fluent interface)
15. import scala.collection.mutable.ArrayBuffer
class MyTodo extends Todo {
name = " " abstract class Todo {
var name: String = _
val items = new ArrayBuffer[TodoItem]
" " until 20100505
def todo(title: String): TodoItem = {
" " until 20100606 val item = new TodoItem(title)
items += item
" " until 20100707 item
}
}
implicit def todoWrapper(title: String): TodoItem =
todo(title)
}
class TodoItem(val title: String) {
var untilDate: Int = _
def until(date: Int): TodoItem = {
untilDate = date
this
}
}
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16. class MyTodo extends Todo {
name = " "
" " until 20100505
" " until 20100606
" " until 20100707
task(" ") {
todo("PC ")
"IDE " until 20100707
}
}
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17. import scala.collection.mutable.ArrayBuffer
class TodoItem(var title: String) {
abstract class Todo { var untilDate: Int = _
var name: String = _
val items = new ArrayBuffer[TodoItem] def until(date: Int): TodoItem = {
val tasks = new ArrayBuffer[Task] untilDate = date
private[this] var currentTask: Option[Task] = None this
}
def todo(title: String): TodoItem = { }
val item = new TodoItem(title)
currentTask match { class Task(var title: String) {
case Some(tk) => tk.items += item val items = new ArrayBuffer[TodoItem]
case None => items += item var untilDate: Int = _
} }
item
}
def task(title: String)(p: => Unit): Task = {
val tk = new Task(title)
tasks += tk
currentTask = Some(tk)
p
currentTask = None
tk
}
implicit def todoWrapper(title: String): TodoItem = todo(title)
}
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Stack
18. class MyTodo extends Todo {
name = " "
" " until 20100505
" " until 20100606
" " until 20100707
task(" ") {
until = 20100808
todo("PC ")
"IDE " until 20100707
}
}
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19. import scala.collection.mutable.ArrayBuffer
def until: Int = {
abstract class Todo { currentTask.get.untilDate
var name: String = _ }
val items = new ArrayBuffer[TodoItem]
val tasks = new ArrayBuffer[Task] def until_=(value: Int) {
private[this] var currentTask: Option[Task] = None currentTask.get.untilDate = value
}
def todo(title: String): TodoItem = {
val item = new TodoItem(title) implicit def todoWrapper(title: String): TodoItem = todo(title)
currentTask match { }
case Some(tk) => tk.items += item
case None => items += item class TodoItem(var title: String) {
} var untilDate: Int = _
item
} def until(date: Int): TodoItem = {
untilDate = date
def task(title: String)(p: => Unit): Task = { this
val tk = new Task(title) }
tasks += tk }
currentTask = Some(tk)
p class Task(var title: String) {
currentTask = None val items = new ArrayBuffer[TodoItem]
tk var untilDate: Int = _
} }
this
}
}
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22. def main(args: Array[String]) {
val input = args(0)
val output = args(1)
val appClass = Class.forName(input)
val todo = appClass.newInstance.asInstanceOf[Todo]
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23. XML
val html = <html>
<head>
<title>TODO </title>
</head>
<body>
<ul>
{ makeList(todo) }
</ul>
</body>
</html>
XML.save(output, html, "utf-8")
}
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