subprojects/store/src/main/java/tools/refinery/store/query/building/RelationAtom.java


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package tools.refinery.store.query.building;

import java.util.List;
import java.util.Map;
import java.util.Set;

import tools.refinery.store.query.view.FilteredRelationView;
import tools.refinery.store.query.view.RelationView;

public class RelationAtom implements DNFAtom {
	RelationView<?> view;
	List<Variable> substitution;

	public RelationAtom(RelationView<?> view, List<Variable> substitution) {
		this.view = view;
		this.substitution = substitution;
	}

	public RelationView<?> getView() {
		return view;
	}

	public void setView(FilteredRelationView<?> view) {
		this.view = view;
	}

	public List<Variable> getSubstitution() {
		return substitution;
	}

	public void setSubstitution(List<Variable> substitution) {
		this.substitution = substitution;
	}

	@Override
	public void unifyVariables(Map<String, Variable> variables) {
		for (int i = 0; i < this.substitution.size(); i++) {
			final Object term = this.substitution.get(i);
			if (term instanceof Variable variableReference) {
				this.substitution.set(i, DNFAtom.unifyVariables(variables, variableReference));
			}
		}
	}

	@Override
	public void collectAllVariables(Set<Variable> variables) {
		DNFAtom.addToCollection(variables, substitution);
	}
}