1 files changed, 58 insertions, 0 deletions

diff --git a/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/memories/AbstractTrivialMaskedMemory.java b/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/memories/AbstractTrivialMaskedMemory.java
new file mode 100644
index 00000000..66587f77
--- /dev/null
+++ b/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/memories/AbstractTrivialMaskedMemory.java
@@ -0,0 +1,58 @@
+/*******************************************************************************
+ * Copyright (c) 2010-2018, Gabor Bergmann, IncQuery Labs Ltd.
+ * 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.matchers.memories;
+
+import java.util.Iterator;
+import java.util.Map;
+
+import tools.refinery.viatra.runtime.matchers.tuple.ITuple;
+import tools.refinery.viatra.runtime.matchers.tuple.Tuple;
+import tools.refinery.viatra.runtime.matchers.tuple.TupleMask;
+import tools.refinery.viatra.runtime.matchers.util.CollectionsFactory;
+import tools.refinery.viatra.runtime.matchers.util.CollectionsFactory.MemoryType;
+import tools.refinery.viatra.runtime.matchers.util.timeline.Timeline;
+import tools.refinery.viatra.runtime.matchers.util.IMemory;
+
+/**
+ * Common parts of nullary and identity specializations.
+ * 
+ * @noextend This class is not intended to be subclassed by clients.
+ * @author Gabor Bergmann
+ * @since 2.0
+ */
+abstract class AbstractTrivialMaskedMemory<Timestamp extends Comparable<Timestamp>> extends MaskedTupleMemory<Timestamp> {
+
+    protected IMemory<Tuple> tuples;
+
+    protected AbstractTrivialMaskedMemory(TupleMask mask, MemoryType bucketType, Object owner) {
+        super(mask, owner);
+        tuples = CollectionsFactory.createMemory(Object.class, bucketType);
+    }
+    
+    @Override
+    public Map<Tuple, Timeline<Timestamp>> getWithTimeline(ITuple signature) {
+        throw new UnsupportedOperationException("Timeless memories do not support timestamp-based lookup!");
+    }
+
+    @Override
+    public void clear() {
+        tuples.clear();
+    }
+
+    @Override
+    public int getTotalSize() {
+        return tuples.size();
+    }
+
+    @Override
+    public Iterator<Tuple> iterator() {
+        return tuples.iterator();
+    }
+
+}