From 51c1a6ff28f26675b4a225d58f025c55911ff3a7 Mon Sep 17 00:00:00 2001
From: OszkarSemerath <semerath@mit.bme.hu>
Date: Sun, 15 Aug 2021 21:50:19 +0200
Subject: Initial commit of query integration, adapting the work of Attila
 Ficsor

Co-authored-by: Ficsor Attila <ficsorattila96@gmail.com
---
 .../data/query/internal/DummyBaseIndexer.java      | 59 ++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 model-data/src/main/java/org/eclipse/viatra/solver/data/query/internal/DummyBaseIndexer.java

(limited to 'model-data/src/main/java/org/eclipse/viatra/solver/data/query/internal/DummyBaseIndexer.java')

diff --git a/model-data/src/main/java/org/eclipse/viatra/solver/data/query/internal/DummyBaseIndexer.java b/model-data/src/main/java/org/eclipse/viatra/solver/data/query/internal/DummyBaseIndexer.java
new file mode 100644
index 00000000..042ec3dc
--- /dev/null
+++ b/model-data/src/main/java/org/eclipse/viatra/solver/data/query/internal/DummyBaseIndexer.java
@@ -0,0 +1,59 @@
+package org.eclipse.viatra.solver.data.query.internal;
+
+import java.lang.reflect.InvocationTargetException;
+import java.util.concurrent.Callable;
+
+import org.eclipse.viatra.query.runtime.api.scope.IBaseIndex;
+import org.eclipse.viatra.query.runtime.api.scope.IIndexingErrorListener;
+import org.eclipse.viatra.query.runtime.api.scope.IInstanceObserver;
+import org.eclipse.viatra.query.runtime.api.scope.ViatraBaseIndexChangeListener;
+
+/**
+ * copied from org.eclipse.viatra.query.runtime.tabular.TabularEngineContext;
+ */
+public class DummyBaseIndexer implements IBaseIndex{
+
+	@Override
+	public <V> V coalesceTraversals(Callable<V> callable) throws InvocationTargetException {
+		try {
+			return callable.call();
+		} catch (Exception e) {
+			throw new InvocationTargetException(e);
+		}
+	}
+
+	@Override
+	public void addBaseIndexChangeListener(ViatraBaseIndexChangeListener listener) {
+		// no notification support
+	}
+
+	@Override
+	public void removeBaseIndexChangeListener(ViatraBaseIndexChangeListener listener) {
+		// no notification support
+	}
+
+	@Override
+	public void resampleDerivedFeatures() {
+		throw new UnsupportedOperationException();
+	}
+
+	@Override
+	public boolean addIndexingErrorListener(IIndexingErrorListener listener) {
+		return true;
+	}
+
+	@Override
+	public boolean removeIndexingErrorListener(IIndexingErrorListener listener) {
+		return true;
+	}
+
+	@Override
+	public boolean addInstanceObserver(IInstanceObserver observer, Object observedObject) {
+		return true;
+	}
+
+	@Override
+	public boolean removeInstanceObserver(IInstanceObserver observer, Object observedObject) {
+		return true;
+	}
+}
-- 
cgit v1.2.3-70-g09d2