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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;
import java.util.Objects;
/**
* A piece of data associated with a direction.
*
* @author Tamas Szabo
* @since 2.4
*/
public class Signed<Payload extends Comparable<Payload>> {
private final Payload payload;
private final Direction direction;
public Signed(final Direction direction, final Payload payload) {
this.payload = payload;
this.direction = direction;
}
public Payload getPayload() {
return payload;
}
public Direction getDirection() {
return direction;
}
@Override
public int hashCode() {
return Objects.hash(direction, payload);
}
@Override
public boolean equals(final Object obj) {
if (this == obj) {
return true;
} else if (obj == null || this.getClass() != obj.getClass()) {
return false;
} else {
@SuppressWarnings("rawtypes")
final Signed other = (Signed) obj;
return direction == other.direction && Objects.equals(payload, other.payload);
}
}
@Override
public String toString() {
return this.direction.asSign() + this.payload.toString();
}
}
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