1 files changed, 125 insertions, 0 deletions

diff --git a/subprojects/viatra-runtime-rete/src/main/java/tools/refinery/viatra/runtime/rete/remote/Address.java b/subprojects/viatra-runtime-rete/src/main/java/tools/refinery/viatra/runtime/rete/remote/Address.java
new file mode 100644
index 00000000..2fed3225
--- /dev/null
+++ b/subprojects/viatra-runtime-rete/src/main/java/tools/refinery/viatra/runtime/rete/remote/Address.java
@@ -0,0 +1,125 @@
+/*******************************************************************************
+ * 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 tools.refinery.viatra.runtime.rete.network.Node;
+import tools.refinery.viatra.runtime.rete.network.ReteContainer;
+
+/**
+ * Remote identifier of a node of type T.
+ * 
+ * @author Gabor Bergmann
+ * 
+ */
+public class Address<T extends Node> {
+    ReteContainer container;
+    Long nodeId;
+    /**
+     * Feel free to leave null e.g. if node is in a separate JVM.
+     */
+    T nodeCache;
+
+    /**
+     * Address of local node (use only for containers in the same VM!)
+     */
+    public static <N extends Node> Address<N> of(N node) {
+        return new Address<N>(node);
+    }
+
+    /**
+     * General constructor.
+     * 
+     * @param container
+     * @param nodeId
+     */
+    public Address(ReteContainer container, Long nodeId) {
+        super();
+        this.container = container;
+        this.nodeId = nodeId;
+    }
+
+    /**
+     * Local-only constructor. (use only for containers in the same VM!)
+     * 
+     * @param node
+     *            the node to address
+     */
+    public Address(T node) {
+        super();
+        this.nodeCache = node;
+        this.container = node.getContainer();
+        this.nodeId = node.getNodeId();
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((container == null) ? 0 : container.hashCode());
+        result = prime * result + ((nodeId == null) ? 0 : nodeId.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (!(obj instanceof Address<?>))
+            return false;
+        final Address<?> other = (Address<?>) obj;
+        if (container == null) {
+            if (other.container != null)
+                return false;
+        } else if (!container.equals(other.container))
+            return false;
+        if (nodeId == null) {
+            if (other.nodeId != null)
+                return false;
+        } else if (!nodeId.equals(other.nodeId))
+            return false;
+        return true;
+    }
+
+    public ReteContainer getContainer() {
+        return container;
+    }
+
+    public void setContainer(ReteContainer container) {
+        this.container = container;
+    }
+
+    public Long getNodeId() {
+        return nodeId;
+    }
+
+    public void setNodeId(Long nodeId) {
+        this.nodeId = nodeId;
+    }
+
+    public T getNodeCache() {
+        return nodeCache;
+    }
+
+    public void setNodeCache(T nodeCache) {
+        this.nodeCache = nodeCache;
+    }
+
+    @Override
+    public String toString() {
+        if (nodeCache == null)
+            return "A(" + nodeId + " @ " + container + ")";
+        else
+            return "A(" + nodeCache + ")";
+
+    }
+
+}