| /* |
| * 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.dataflow.std.group; |
| |
| import java.io.Serializable; |
| |
| import edu.uci.ics.hyracks.api.context.IHyracksStageletContext; |
| import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor; |
| import edu.uci.ics.hyracks.api.exceptions.HyracksDataException; |
| |
| public interface IAccumulatingAggregatorFactory extends Serializable { |
| IAccumulatingAggregator createAggregator(IHyracksStageletContext ctx, RecordDescriptor inRecordDesc, |
| RecordDescriptor outRecordDescriptor) throws HyracksDataException; |
| |
| ISpillableAccumulatingAggregator createSpillableAggregator(IHyracksStageletContext ctx, |
| RecordDescriptor inRecordDesc, RecordDescriptor outRecordDescriptor) throws HyracksDataException; |
| } |