subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/context/RelationalEngineContext.java


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35

/*
 * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/>
 *
 * SPDX-License-Identifier: EPL-2.0
 */
package tools.refinery.store.query.viatra.internal.context;

import org.eclipse.viatra.query.runtime.api.scope.IBaseIndex;
import org.eclipse.viatra.query.runtime.api.scope.IEngineContext;
import org.eclipse.viatra.query.runtime.matchers.context.IQueryRuntimeContext;
import tools.refinery.store.query.viatra.internal.ViatraModelQueryAdapterImpl;

public class RelationalEngineContext implements IEngineContext {
	private final IBaseIndex baseIndex = new DummyBaseIndexer();
	private final RelationalRuntimeContext runtimeContext;

	public RelationalEngineContext(ViatraModelQueryAdapterImpl adapter) {
		runtimeContext = new RelationalRuntimeContext(adapter);
	}

	@Override
	public IBaseIndex getBaseIndex() {
		return this.baseIndex;
	}

	@Override
	public void dispose() {
		// Nothing to dispose, because lifecycle is not controlled by the engine.
	}

	@Override
	public IQueryRuntimeContext getQueryRuntimeContext() {
		return runtimeContext;
	}
}