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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;
import tools.refinery.viatra.runtime.rete.matcher.TimelyConfiguration.AggregatorArchitecture;
import tools.refinery.viatra.runtime.rete.matcher.TimelyConfiguration.TimelineRepresentation;
/**
* A {@link ReteBackendFactory} implementation that creates {@link ReteEngine}s that use non-scattered timely
* evaluation.
*
* @author Tamas Szabo
* @since 2.4
*/
public class TimelyReteBackendFactory extends ReteBackendFactory {
private final TimelyConfiguration configuration;
public static final TimelyReteBackendFactory FIRST_ONLY_SEQUENTIAL = new TimelyReteBackendFactory(
new TimelyConfiguration(TimelineRepresentation.FIRST_ONLY, AggregatorArchitecture.SEQUENTIAL));
public static final TimelyReteBackendFactory FIRST_ONLY_PARALLEL = new TimelyReteBackendFactory(
new TimelyConfiguration(TimelineRepresentation.FIRST_ONLY, AggregatorArchitecture.PARALLEL));
public static final TimelyReteBackendFactory FAITHFUL_SEQUENTIAL = new TimelyReteBackendFactory(
new TimelyConfiguration(TimelineRepresentation.FAITHFUL, AggregatorArchitecture.SEQUENTIAL));
public static final TimelyReteBackendFactory FAITHFUL_PARALLEL = new TimelyReteBackendFactory(
new TimelyConfiguration(TimelineRepresentation.FAITHFUL, AggregatorArchitecture.PARALLEL));
public TimelyReteBackendFactory(final TimelyConfiguration configuration) {
this.configuration = configuration;
}
@Override
public IQueryBackend create(final IQueryBackendContext context) {
return create(context, false, configuration);
}
@Override
public int hashCode() {
return TimelyReteBackendFactory.class.hashCode();
}
@Override
public boolean equals(final Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (!(obj instanceof TimelyReteBackendFactory)) {
return false;
}
return true;
}
}
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