1 files changed, 26 insertions, 0 deletions
diff --git a/src/main/scala/xyz/driver/pdsuicommon/synchronization/utils/FakeIdGen.scala b/src/main/scala/xyz/driver/pdsuicommon/synchronization/utils/FakeIdGen.scala
new file mode 100644
index 0000000..196aab1
--- /dev/null
+++ b/src/main/scala/xyz/driver/pdsuicommon/synchronization/utils/FakeIdGen.scala
@@ -0,0 +1,26 @@
+package xyz.driver.pdsuicommon.synchronization.utils
+
+import xyz.driver.pdsuicommon.synchronization.domain.FakeId
+
+/**
+  * Used to generate a fake id from an entity.
+  * A fake id is used in comparison between entities with different types,
+  * for example, RawTrial and Trial.
+  *
+  * @see FakeId
+  */
+trait FakeIdGen[-T] extends (T => FakeId) {
+
+  def getFor(x: T): FakeId
+
+  override def apply(x: T): FakeId = getFor(x)
+
+}
+
+object FakeIdGen {
+
+  def create[T](f: T => FakeId) = new FakeIdGen[T] {
+    override def getFor(x: T): FakeId = f(x)
+  }
+
+}