| 1 | /* |
| 2 | * Copyright (c) 2005-2010, WSO2 Inc. (http://www.wso2.org) All Rights Reserved. |
| 3 | * |
| 4 | * WSO2 Inc. licenses this file to you under the Apache License, |
| 5 | * Version 2.0 (the "License"); you may not use this file except |
| 6 | * in compliance with the License. |
| 7 | * You may obtain a copy of the License at |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, |
| 12 | * software distributed under the License is distributed on an |
| 13 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 14 | * KIND, either express or implied. See the License for the |
| 15 | * specific language governing permissions and limitations |
| 16 | * under the License. |
| 17 | */ |
| 18 | package org.wso2.siddhi.core.projector.attibute.generator; |
| 19 | |
| 20 | import org.wso2.siddhi.core.projector.OutputAttributeGenerator; |
| 21 | import org.wso2.siddhi.query.api.expression.Expression; |
| 22 | import org.wso2.siddhi.query.api.query.QueryEventStream; |
| 23 | |
| 24 | import java.util.List; |
| 25 | |
| 26 | public abstract class AbstractAggregateAttributeGenerator implements OutputAttributeGenerator { |
| 27 | |
| 28 | public abstract void assignExpressions(Expression[] expressions, |
| 29 | List<QueryEventStream> queryEventStreamList); |
| 30 | |
| 31 | public abstract AbstractAggregateAttributeGenerator createNewInstance(); |
| 32 | } |