| /* |
| * 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.client.dataset; |
| |
| import edu.uci.ics.hyracks.api.client.IHyracksClientConnection; |
| import edu.uci.ics.hyracks.api.comm.NetworkAddress; |
| import edu.uci.ics.hyracks.api.dataset.IHyracksDataset; |
| import edu.uci.ics.hyracks.api.dataset.IHyracksDatasetDirectoryServiceConnection; |
| import edu.uci.ics.hyracks.api.dataset.IHyracksDatasetReader; |
| import edu.uci.ics.hyracks.api.dataset.ResultSetId; |
| import edu.uci.ics.hyracks.api.exceptions.HyracksDataException; |
| import edu.uci.ics.hyracks.api.job.JobId; |
| import edu.uci.ics.hyracks.client.net.ClientNetworkManager; |
| |
| public class HyracksDataset implements IHyracksDataset { |
| private final IHyracksDatasetDirectoryServiceConnection datasetDirectoryServiceConnection; |
| |
| private final ClientNetworkManager netManager; |
| |
| private final DatasetClientContext datasetClientCtx; |
| |
| public HyracksDataset(IHyracksClientConnection hcc, int frameSize, int nReaders) throws Exception { |
| NetworkAddress ddsAddress = hcc.getDatasetDirectoryServiceInfo(); |
| datasetDirectoryServiceConnection = new HyracksDatasetDirectoryServiceConnection(new String( |
| ddsAddress.getIpAddress()), ddsAddress.getPort()); |
| |
| netManager = new ClientNetworkManager(nReaders); |
| netManager.start(); |
| |
| datasetClientCtx = new DatasetClientContext(frameSize); |
| } |
| |
| @Override |
| public IHyracksDatasetReader createReader(JobId jobId, ResultSetId resultSetId) throws HyracksDataException { |
| IHyracksDatasetReader reader = null; |
| try { |
| reader = new HyracksDatasetReader(datasetDirectoryServiceConnection, netManager, datasetClientCtx, jobId, |
| resultSetId); |
| } catch (Exception e) { |
| throw new HyracksDataException(e); |
| } |
| return reader; |
| } |
| } |