model-data/src/main/java/org/eclipse/viatra/solver/data/model/representation/Relation.java


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package org.eclipse.viatra.solver.data.model.representation;

import org.eclipse.viatra.solver.data.model.Tuple;
import org.eclipse.viatra.solver.data.model.TupleHashProvider;
import org.eclipse.viatra.solver.data.model.symbols.Symbol;

public class Relation<D> extends DataRepresentation<Tuple, D> {
	private final Symbol symbol;

	public Relation(Symbol symbol, Class<D> domain, D defaultValue) {
		super(Tuple.class, TupleHashProvider.singleton(), domain, defaultValue);
		this.symbol = symbol;
	}

	@Override
	public String getName() {
		return symbol.getName();
	}

	public Symbol getSymbol() {
		return symbol;
	}

	@Override
	public boolean isValidKey(Tuple key) {
		return key.getSize() == symbol.getArity();
	}
}