1 files changed, 0 insertions, 53 deletions

diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/matcher/IndexerUtils.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/matcher/IndexerUtils.java
deleted file mode 100644
index 15f00b2d..00000000
--- a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/matcher/IndexerUtils.java
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/>
- *
- * SPDX-License-Identifier: EPL-2.0
- */
-package tools.refinery.store.query.viatra.internal.matcher;
-
-import org.eclipse.viatra.query.runtime.matchers.tuple.TupleMask;
-import org.eclipse.viatra.query.runtime.rete.index.Indexer;
-import org.eclipse.viatra.query.runtime.rete.matcher.ReteEngine;
-import org.eclipse.viatra.query.runtime.rete.matcher.RetePatternMatcher;
-import org.eclipse.viatra.query.runtime.rete.traceability.RecipeTraceInfo;
-
-import java.lang.invoke.MethodHandle;
-import java.lang.invoke.MethodHandles;
-import java.lang.invoke.MethodType;
-
-final class IndexerUtils {
-    private static final MethodHandle GET_ENGINE_HANDLE;
-    private static final MethodHandle GET_PRODUCTION_NODE_TRACE_HANDLE;
-    private static final MethodHandle ACCESS_PROJECTION_HANDLE;
-
-    static {
-        try {
-            var lookup = MethodHandles.privateLookupIn(RetePatternMatcher.class, MethodHandles.lookup());
-            GET_ENGINE_HANDLE = lookup.findGetter(RetePatternMatcher.class, "engine", ReteEngine.class);
-            GET_PRODUCTION_NODE_TRACE_HANDLE = lookup.findGetter(RetePatternMatcher.class, "productionNodeTrace",
-                    RecipeTraceInfo.class);
-            ACCESS_PROJECTION_HANDLE = lookup.findVirtual(ReteEngine.class, "accessProjection",
-                    MethodType.methodType(Indexer.class, RecipeTraceInfo.class, TupleMask.class));
-        } catch (IllegalAccessException | NoSuchFieldException | NoSuchMethodException e) {
-            throw new IllegalStateException("Cannot access private members of %s"
-                    .formatted(RetePatternMatcher.class.getPackageName()), e);
-        }
-    }
-
-    private IndexerUtils() {
-        throw new IllegalStateException("This is a static utility class and should not be instantiated directly");
-    }
-
-    public static Indexer getIndexer(RetePatternMatcher backend, TupleMask mask) {
-        try {
-            var engine = (ReteEngine) GET_ENGINE_HANDLE.invokeExact(backend);
-            var trace = (RecipeTraceInfo) GET_PRODUCTION_NODE_TRACE_HANDLE.invokeExact(backend);
-            return (Indexer) ACCESS_PROJECTION_HANDLE.invokeExact(engine, trace, mask);
-        } catch (Error e) {
-            // Fatal JVM errors should not be wrapped.
-            throw e;
-        } catch (Throwable e) {
-            throw new IllegalStateException("Cannot access matcher for mask " + mask, e);
-        }
-    }
-}