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/*******************************************************************************
* Copyright (c) 2010-2019, Tamas Szabo, Istvan Rath 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.matcher;
import tools.refinery.viatra.runtime.matchers.backend.IQueryBackend;
import tools.refinery.viatra.runtime.matchers.context.IQueryBackendContext;
/**
* A {@link ReteBackendFactory} implementation that creates {@link ReteEngine}s that use delete and re-derive
* evaluation.
*
* @author Tamas Szabo
* @since 2.2
*/
public class DRedReteBackendFactory extends ReteBackendFactory {
public static final DRedReteBackendFactory INSTANCE = new DRedReteBackendFactory();
@Override
public IQueryBackend create(IQueryBackendContext context) {
return create(context, true, null);
}
@Override
public int hashCode() {
return DRedReteBackendFactory.class.hashCode();
}
@Override
public boolean equals(final Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (!(obj instanceof DRedReteBackendFactory)) {
return false;
}
return true;
}
}
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