package edu.uci.ics.asterix.aql.expression;

import edu.uci.ics.asterix.aql.base.Clause;
import edu.uci.ics.asterix.aql.expression.visitor.IAqlExpressionVisitor;
import edu.uci.ics.asterix.aql.expression.visitor.IAqlPlusExpressionVisitor;
import edu.uci.ics.asterix.aql.expression.visitor.IAqlVisitorWithVoidReturn;
import edu.uci.ics.asterix.common.exceptions.AsterixException;
import edu.uci.ics.hyracks.algebricks.common.exceptions.NotImplementedException;

public class MetaVariableClause implements Clause {
    private VarIdentifier var;

    @Override
    public <R, T> R accept(IAqlExpressionVisitor<R, T> visitor, T arg) throws AsterixException {
        return ((IAqlPlusExpressionVisitor<R, T>) visitor).visitMetaVariableClause(this, arg);
    }

    @Override
    public <T> void accept(IAqlVisitorWithVoidReturn<T> visitor, T arg) throws AsterixException {
        throw new NotImplementedException();
    }

    @Override
    public ClauseType getClauseType() {
        return null;
    }

    public VarIdentifier getVar() {
        return var;
    }

    public void setVar(VarIdentifier var) {
        this.var = var;
    }
}