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/*******************************************************************************
* Copyright (c) 2010-2019, Tamas Szabo, itemis AG, Gabor Bergmann, IncQuery Labs Ltd.
* 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.matchers.util.timeline;
import java.util.List;
/**
* Utility class for creating {@link Timeline}s.
* @author Tamas Szabo
* @since 2.4
*/
public final class Timelines<Timestamp extends Comparable<Timestamp>> {
public static <Timestamp extends Comparable<Timestamp>> Timeline<Timestamp> createEmpty() {
return new CompactTimeline<Timestamp>();
}
public static <Timestamp extends Comparable<Timestamp>> Timeline<Timestamp> createFrom(
final Diff<Timestamp> diffs) {
if (diffs.size() == 1) {
return new SingletonTimeline<Timestamp>(diffs);
} else {
return new CompactTimeline<Timestamp>(diffs);
}
}
public static <Timestamp extends Comparable<Timestamp>> Timeline<Timestamp> createFrom(
final List<Timestamp> timestamps) {
if (timestamps.size() == 1) {
return new SingletonTimeline<Timestamp>(timestamps.get(0));
} else {
return new CompactTimeline<Timestamp>(timestamps);
}
}
public static <Timestamp extends Comparable<Timestamp>> Timeline<Timestamp> createFrom(final Timestamp timestamp) {
return new SingletonTimeline<Timestamp>(timestamp);
}
}
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