From: Antti Villberg <antti.villberg@semantum.fi>
Date: Fri, 2 Jun 2017 10:17:52 +0000 (+0300)
Subject: Improved Statement API in Simantics/DB
X-Git-Tag: v1.31.0~342^2
X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=commitdiff_plain;h=refs%2Fchanges%2F88%2F588%2F1;p=simantics%2Fplatform.git

Improved Statement API in Simantics/DB

refs #7270

Change-Id: I3780a424247bea8eaeeaa204595625844f3b0883
---

diff --git a/bundles/org.simantics.scl.db/scl/Simantics/DB.scl b/bundles/org.simantics.scl.db/scl/Simantics/DB.scl
index 54696a83d..b725d6c74 100644
--- a/bundles/org.simantics.scl.db/scl/Simantics/DB.scl
+++ b/bundles/org.simantics.scl.db/scl/Simantics/DB.scl
@@ -43,6 +43,8 @@ importJava "org.simantics.db.Statement" where
     @JavaName getObject
     objectOf :: Statement -> Resource
     
+    isAsserted :: Statement -> Resource -> <ReadGraph> Boolean
+    
 importJava "org.simantics.db.ReadGraph" where
     "Converts an absolute URI to a resource or returns `Nothing` if there is no such resource."
     @JavaName getPossibleResource
@@ -85,6 +87,9 @@ importJava "org.simantics.db.ReadGraph" where
     @JavaName getSingleStatement
     singleStatement :: Resource -> Resource -> <ReadGraph> Statement
 
+    @JavaName getPossibleStatement
+    possibleStatement :: Resource -> Resource -> <ReadGraph> Maybe Statement
+
     @JavaName getRelatedVariantValue
     relatedVariantValue :: Resource -> Resource -> <ReadGraph> Variant