| /* |
| * Copyright 2009-2010 by The Regents of the University of California |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * you may obtain a copy of the License from |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package edu.uci.ics.hyracks.algebricks.core.algebra.visitors; |
| |
| import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException; |
| import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression; |
| import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AggregateFunctionCallExpression; |
| import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.ScalarFunctionCallExpression; |
| import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.StatefulFunctionCallExpression; |
| import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.UnnestingFunctionCallExpression; |
| |
| public abstract class AbstractConstVarFunVisitor<R, T> implements ILogicalExpressionVisitor<R, T> { |
| |
| public abstract R visitFunctionCallExpression(AbstractFunctionCallExpression expr, T arg) |
| throws AlgebricksException; |
| |
| public R visitAggregateFunctionCallExpression(AggregateFunctionCallExpression expr, T arg) |
| throws AlgebricksException { |
| return visitFunctionCallExpression(expr, arg); |
| } |
| |
| public R visitScalarFunctionCallExpression(ScalarFunctionCallExpression expr, T arg) throws AlgebricksException { |
| return visitFunctionCallExpression(expr, arg); |
| } |
| |
| public R visitStatefulFunctionCallExpression(StatefulFunctionCallExpression expr, T arg) throws AlgebricksException { |
| return visitFunctionCallExpression(expr, arg); |
| } |
| |
| public R visitUnnestingFunctionCallExpression(UnnestingFunctionCallExpression expr, T arg) |
| throws AlgebricksException { |
| return visitFunctionCallExpression(expr, arg); |
| } |
| } |