Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.db.layer0 / src / org / simantics / db / layer0 / changeset / ChangeVisitor.java

diff --git a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/changeset/ChangeVisitor.java b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/changeset/ChangeVisitor.java
new file mode 100644 (file)
index 0000000..282378b
--- /dev/null
+++ b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/changeset/ChangeVisitor.java
@@ -0,0 +1,15 @@
+package org.simantics.db.layer0.changeset;\r
+\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.genericrelation.DependencyChanges.Change;\r
+\r
+public interface ChangeVisitor {\r
+    /**\r
+     * {@link MetadataUtils#visitDependencyChangesBetween}\r
+     * calls this method for every change found between given range.\r
+     * The flag {@code inverted} tells whether the change is actually\r
+     * undone instead of done.\r
+     */\r
+    void visit(ReadGraph graph, Change change, boolean inverted) throws DatabaseException;\r
+}\r