X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.scl.compiler%2Fsrc%2Forg%2Fsimantics%2Fscl%2Fcompiler%2Felaboration%2Fquery%2FQAlternative.java;fp=bundles%2Forg.simantics.scl.compiler%2Fsrc%2Forg%2Fsimantics%2Fscl%2Fcompiler%2Felaboration%2Fquery%2FQAlternative.java;h=46db4fa5f95dd25fc933ba8a87a454e18a0d8b87;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/query/QAlternative.java b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/query/QAlternative.java
new file mode 100644
index 000000000..46db4fa5f
--- /dev/null
+++ b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/query/QAlternative.java
@@ -0,0 +1,37 @@
+package org.simantics.scl.compiler.elaboration.query;
+
+import org.simantics.scl.compiler.elaboration.contexts.ReplaceContext;
+import org.simantics.scl.compiler.elaboration.expressions.QueryTransformer;
+import org.simantics.scl.compiler.elaboration.query.compilation.ConstraintCollectionContext;
+
+
+public class QAlternative extends QAbstractCombiner {
+
+    public QAlternative(Query ... queries) {
+        super(queries);
+    }
+
+    @Override
+    public void collectConstraints(final ConstraintCollectionContext context) {
+        throw new UnsupportedOperationException();
+    }
+    
+    @Override
+    public Query replace(ReplaceContext context) {
+        Query[] newQueries = new Query[queries.length];
+        for(int i=0;i<queries.length;++i)
+            newQueries[i] = queries[i].replace(context);
+        return new QAlternative(newQueries);
+    }
+ 
+    @Override
+    public void accept(QueryVisitor visitor) {
+        visitor.visit(this);
+    }
+
+    @Override
+    public Query accept(QueryTransformer transformer) {
+        return transformer.transform(this);
+    }
+
+}