| /* |
| * 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.examples.btree.client; |
| |
| import java.io.File; |
| |
| import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper; |
| import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor; |
| import edu.uci.ics.hyracks.api.io.FileReference; |
| import edu.uci.ics.hyracks.api.job.JobSpecification; |
| import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider; |
| import edu.uci.ics.hyracks.dataflow.std.file.FileSplit; |
| import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider; |
| |
| public class JobHelper { |
| public static IFileSplitProvider createFileSplitProvider(String[] splitNCs, String btreeFileName) { |
| FileSplit[] fileSplits = new FileSplit[splitNCs.length]; |
| for (int i = 0; i < splitNCs.length; ++i) { |
| String fileName = btreeFileName + "." + splitNCs[i]; |
| fileSplits[i] = new FileSplit(splitNCs[i], new FileReference(new File(fileName))); |
| } |
| IFileSplitProvider splitProvider = new ConstantFileSplitProvider(fileSplits); |
| return splitProvider; |
| } |
| |
| public static void createPartitionConstraint(JobSpecification spec, IOperatorDescriptor op, String[] splitNCs) { |
| PartitionConstraintHelper.addAbsoluteLocationConstraint(spec, op, splitNCs); |
| } |
| } |