1 files changed, 54 insertions, 0 deletions

diff --git a/subprojects/viatra-runtime-rete/src/main/java/tools/refinery/viatra/runtime/rete/remote/RemoteSupplier.java b/subprojects/viatra-runtime-rete/src/main/java/tools/refinery/viatra/runtime/rete/remote/RemoteSupplier.java
new file mode 100644
index 00000000..cbe4d177
--- /dev/null
+++ b/subprojects/viatra-runtime-rete/src/main/java/tools/refinery/viatra/runtime/rete/remote/RemoteSupplier.java
@@ -0,0 +1,54 @@
+/*******************************************************************************
+ * Copyright (c) 2004-2008 Gabor Bergmann and Daniel Varro
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v. 2.0 which is available at
+ * http://www.eclipse.org/legal/epl-v20.html.
+ * 
+ * SPDX-License-Identifier: EPL-2.0
+ *******************************************************************************/
+
+package tools.refinery.viatra.runtime.rete.remote;
+
+import java.util.Collection;
+import java.util.Map;
+
+import tools.refinery.viatra.runtime.matchers.tuple.Tuple;
+import tools.refinery.viatra.runtime.matchers.util.Direction;
+import tools.refinery.viatra.runtime.matchers.util.timeline.Timeline;
+import tools.refinery.viatra.runtime.rete.network.ReteContainer;
+import tools.refinery.viatra.runtime.rete.network.communication.Timestamp;
+import tools.refinery.viatra.runtime.rete.single.SingleInputNode;
+
+/**
+ * This node receives updates from a remote supplier; no local updates are expected.
+ * 
+ * @author Gabor Bergmann
+ * 
+ */
+public class RemoteSupplier extends SingleInputNode {
+
+    RemoteReceiver counterpart;
+
+    public RemoteSupplier(ReteContainer reteContainer, RemoteReceiver counterpart) {
+        super(reteContainer);
+        this.counterpart = counterpart;
+        counterpart.addTarget(reteContainer.makeAddress(this));
+    }
+
+    @Override
+    public void pullInto(Collection<Tuple> collector, boolean flush) {
+        Collection<Tuple> pulled = counterpart.remotePull(flush);
+        collector.addAll(pulled);
+    }
+
+    @Override
+    public void pullIntoWithTimeline(Map<Tuple, Timeline<Timestamp>> collector, boolean flush) {
+        throw new UnsupportedOperationException();
+    }
+    
+    @Override
+    public void update(Direction direction, Tuple updateElement, Timestamp timestamp) {
+        propagateUpdate(direction, updateElement, timestamp);
+    }
+
+}