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/*******************************************************************************
* Copyright (c) 2010-2018, 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.scopes.tables;
import tools.refinery.viatra.runtime.matchers.tuple.Tuple;
import tools.refinery.viatra.runtime.matchers.util.Direction;
/**
* Modifies the contents of an {@link IIndexTable}.
* <p>
* <strong>EXPERIMENTAL</strong>. This class or interface has been added as
* part of a work in progress. There is no guarantee that this API will
* work or that it will remain the same.
*
* @since 2.0
* @author Gabor Bergmann
*/
public interface ITableWriterGeneric {
/**
* Adds/removes a row to/from the table.
*
* @param direction
* tells whether putting a row into the table or deleting TODO: store as multiset, return bool?
*/
void write(Direction direction, Tuple row);
/**
* Intersection type for writers that are also tables
*/
interface Table extends ITableWriterGeneric, IIndexTable {
}
/**
* /dev/null implementation
*
* @author Gabor Bergmann
*/
static class Nop implements ITableWriterGeneric {
@Override
public void write(Direction direction, Tuple row) {
// NO-OP
}
}
}
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