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package overflowdb.formats
import scala.language.implicitConversions
package object graphson {
object Type extends Enumeration {
// Boolean and String do not require type specification
// strings are simply in quotes and booleans are not
// We use the following as placeholders
val Boolean = GraphSONVal(1, "g:Boolean")
val String = GraphSONVal(2, "g:String")
val Int = GraphSONVal(3, "g:Int32")
val Long = GraphSONVal(4, "g:Int64")
val Float = GraphSONVal(5, "g:Float")
val Double = GraphSONVal(6, "g:Double")
val List = GraphSONVal(7, "g:List")
val NodeId = GraphSONVal(8, "g:VertexId")
def fromRuntimeClass(clazz: Class[_]): Type.Value = {
if (clazz.isAssignableFrom(classOf[Boolean]) || clazz.isAssignableFrom(classOf[java.lang.Boolean]))
Type.Boolean
else if (clazz.isAssignableFrom(classOf[Int]) || clazz.isAssignableFrom(classOf[Integer]))
Type.Int
else if (clazz.isAssignableFrom(classOf[Long]) || clazz.isAssignableFrom(classOf[java.lang.Long]))
Type.Long
else if (clazz.isAssignableFrom(classOf[Float]) || clazz.isAssignableFrom(classOf[java.lang.Float]))
Type.Float
else if (clazz.isAssignableFrom(classOf[Double]) || clazz.isAssignableFrom(classOf[java.lang.Double]))
Type.Double
else if (clazz.isAssignableFrom(classOf[String]))
Type.String
else if (clazz.isAssignableFrom(classOf[List[_]]))
Type.List
else
throw new AssertionError(
s"unsupported runtime class `$clazz` - only ${Type.values.mkString("|")} are supported...}"
)
}
protected case class GraphSONVal(num: Int, typ: String) extends super.Val
implicit def name(x: GraphSONVal): String = x.typ
}
case class GraphSON(`@value`: GraphSONElements, `@type`: String = "tinker:graph")
case class GraphSONElements(vertices: Seq[Vertex], edges: Seq[Edge])
case class Vertex(id: LongValue, label: String, properties: Map[String, Property], `@type`: String = "g:Vertex")
case class Edge(
id: LongValue,
label: String,
inVLabel: String,
outVLabel: String,
inV: LongValue,
outV: LongValue,
properties: Map[String, Property],
`@type`: String = "g:Edge"
)
trait PropertyValue {
def `@value`: Any
def `@type`: String
}
case class StringValue(override val `@value`: String, `@type`: String = Type.String.typ) extends PropertyValue
case class BooleanValue(override val `@value`: Boolean, `@type`: String = Type.Boolean.typ) extends PropertyValue
case class LongValue(override val `@value`: Long, `@type`: String = Type.Long.typ) extends PropertyValue
case class IntValue(override val `@value`: Int, `@type`: String = Type.Int.typ) extends PropertyValue
case class DoubleValue(override val `@value`: Double, `@type`: String = Type.Double.typ) extends PropertyValue
case class FloatValue(override val `@value`: Float, `@type`: String = Type.Float.typ) extends PropertyValue
case class ListValue(override val `@value`: Array[PropertyValue], `@type`: String = Type.List.typ)
extends PropertyValue
case class NodeIdValue(override val `@value`: Long, `@type`: String = Type.NodeId.typ) extends PropertyValue
case class Property(id: LongValue, `@value`: PropertyValue, `@type`: String = "g:Property")
}
