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/*******************************************************************************
* Copyright (c) 2010-2016, Grill Balázs, IncQueryLabs
* 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.psystem.queries;
/**
* Values of this enum describe a constraint to the calling of patterns regarding its parameters.
*
* @author Grill Balázs
* @since 1.4
*
*/
public enum PParameterDirection {
/**
* Default value, no additional constraint is applied
*/
INOUT,
/**
* The parameters marked with this constraints shall be set to a value before calling the pattern
*/
IN,
/**
* The parameters marked with this constraints shall not be set to a value before calling the pattern
*/
OUT
}
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