| package edu.uci.ics.asterix.aql.expression; |
| |
| 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 MetaVariableExpr extends VariableExpr { |
| |
| @Override |
| public <R, T> R accept(IAqlExpressionVisitor<R, T> visitor, T arg) throws AsterixException { |
| return ((IAqlPlusExpressionVisitor<R, T>) visitor).visitMetaVariableExpr(this, arg); |
| } |
| |
| @Override |
| public <T> void accept(IAqlVisitorWithVoidReturn<T> visitor, T arg) throws AsterixException { |
| throw new NotImplementedException(); |
| } |
| |
| public boolean getIsNewVar() { |
| return false; |
| } |
| |
| @Override |
| public Kind getKind() { |
| return Kind.METAVARIABLE_EXPRESSION; |
| } |
| } |