changes from double inc --> to <->

src/main/kotlin/unibz.cs.semint.kprime/domain/ddl/Schema.kt

@@ -255,8 +255,8 @@ class Schema () {
 
     // FIXME Use SchemaCmdParser
     fun addDoubleInc(commandArgs:String):Schema {
-        val source:String = commandArgs.split("-->")[0]
-        val target:String = commandArgs.split("-->")[1]
+        val source:String = commandArgs.split("<->")[0]
+        val target:String = commandArgs.split("<->")[1]
 
         val sourceTableName:String = source.split(":")[0]
         val sourceAttributeNames = source.split(":")[1]

src/test/kotlin/unibz.cs.semint.kprime/domain/SchemaTest.kt

@@ -214,7 +214,7 @@ class SchemaTest {
         var schema = Schema()
         assertEquals(0,schema.doubleIncs().size)
         // when
-        schema.addDoubleInc("table4:DepName-->table4:DepAddress")
+        schema.addDoubleInc("table4:DepName<->table4:DepAddress")
         // then
         assertEquals(1,schema.doubleIncs().size)
     }