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add framework for erased extensions of nodetypes #86

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add framework for erased extensions of nodetypes #86

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14 changes: 12 additions & 2 deletions codegen/src/main/scala/overflowdb/codegen/CodeGen.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -496,7 +496,7 @@ class CodeGen(schema: Schema) {

val companionObject =
s"""object $className {
| def apply(graph: Graph, id: Long) = new $className(graph, id)
| def apply(graph: Graph, id: Long) = new ${className}_Ref[AnyRef](graph, id)
|
| val Label = "${nodeType.name}"
|
Expand Down Expand Up @@ -762,7 +762,7 @@ class CodeGen(schema: Schema) {
s""" override def $name: ${getCompleteType(key)} = get().$name"""
}.mkString("\n")

s"""class $className(graph: Graph, id: Long) extends NodeRef[$classNameDb](graph, id)
s"""class ${className}_Ref[+SubType](graph: Graph, id: Long) extends NodeRef[$classNameDb](graph, id)
| with ${className}Base
| with StoredNode
| $mixinTraits {
Expand Down Expand Up @@ -939,9 +939,19 @@ class CodeGen(schema: Schema) {
val srcFile = nodeType.className + ".scala"
results.append(baseDir.createChild(srcFile).write(src))
}
results.append(baseDir.createChild("package.scala").write(generatePackageFile()))
results.toSeq
}

def generatePackageFile():String = {
val items = schema.nodeTypes.map{nodeType => s"type ${nodeType.className} = ${nodeType.className}_Ref[Any]"}
s"""package $basePackage
|package object nodes {
| ${items.mkString("\n ")}
|}
|""".stripMargin
}

protected def writeNodeTraversalFiles(outputDir: File): Seq[File] = {
val staticHeader =
s"""package $traversalsPackage
Expand Down