1 files changed, 29 insertions, 0 deletions

diff --git a/subprojects/logic/src/main/java/tools/refinery/logic/dnf/FunctionalQueryBuilder.java b/subprojects/logic/src/main/java/tools/refinery/logic/dnf/FunctionalQueryBuilder.java
new file mode 100644
index 00000000..476f3c83
--- /dev/null
+++ b/subprojects/logic/src/main/java/tools/refinery/logic/dnf/FunctionalQueryBuilder.java
@@ -0,0 +1,29 @@
+/*
+ * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/>
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ */
+package tools.refinery.logic.dnf;
+
+import tools.refinery.logic.term.DataVariable;
+
+public final class FunctionalQueryBuilder<T> extends AbstractQueryBuilder<FunctionalQueryBuilder<T>> {
+        private final DataVariable<T> outputVariable;
+        private final Class<T> type;
+
+        FunctionalQueryBuilder(DataVariable<T> outputVariable, DnfBuilder dnfBuilder, Class<T> type) {
+                super(dnfBuilder);
+                this.outputVariable = outputVariable;
+                this.type = type;
+        }
+
+        @Override
+        protected FunctionalQueryBuilder<T> self() {
+                return this;
+        }
+
+        public FunctionalQuery<T> build() {
+                dnfBuilder.output(outputVariable);
+                return dnfBuilder.build().asFunction(type);
+        }
+}