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///////////////////////////////////////////////////////////////// |
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// |
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// Copyright (C) 2005 Affymetrix, Inc. |
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// |
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// This library is free software; you can redistribute it and/or modify |
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// it under the terms of the GNU Lesser General Public License as published |
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// by the Free Software Foundation; either version 2.1 of the License, |
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// or (at your option) any later version. |
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// |
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// This library is distributed in the hope that it will be useful, but |
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// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
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// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License |
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// for more details. |
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// |
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// You should have received a copy of the GNU Lesser General Public License |
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// along with this library; if not, write to the Free Software Foundation, Inc., |
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// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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// |
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///////////////////////////////////////////////////////////////// |
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package affymetrix.calvin.data; |
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|
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import java.io.*; |
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import java.nio.channels.*; |
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import java.nio.channels.FileChannel.*; |
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import java.nio.*; |
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|
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/** This class provides methods to get a DataSet in a DataGroup. */ |
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public class DataGroup { |
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|
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/** Constructor |
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* @param filename_ The name of the generic file to access. |
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* @param dch The DataGroupHeader of the DataGroup to access. |
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* @param handle_ A handle to the file mapping object |
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*/ |
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public DataGroup(String filename_, DataGroupHeader dch, FileInputStream handle_) { |
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filename=filename_; |
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dataGroupHeader=dch; |
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handle=handle_; |
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} |
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|
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/** Method to get a reference to the DataGroupHeader |
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* @return A reference to the DataGroupHeader. |
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*/ |
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public DataGroupHeader getHeader() { return dataGroupHeader; } |
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|
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/** Returns a pointer to the DataSet object by DataSet index. |
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* Each call will return a new DataSet object. |
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* The caller should call Delete when finished with the DataSet. |
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* |
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* @param dataSetIdx The index of the DataSet to return. |
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* @return DataSet |
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* @exception affymetrix_calvin_exceptions::DataSetNotFoundException DataSet not found. |
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*/ |
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public DataSet getDataSet(int dataSetIdx) throws DataSetNotFoundException { |
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DataSetHeader dph = GenericData.findDataSetHeader(dataGroupHeader, dataSetIdx); |
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if (dph != null) |
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{ |
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return new DataSet(filename, dph, handle); |
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} |
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else |
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{ |
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throw new DataSetNotFoundException(); |
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} |
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} |
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|
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/** Returns a pointer to the DataSet object by DataSet name. |
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* Each call will return a new DataSet object. |
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* The caller should call Delete when finished with the DataSet. |
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* |
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* @param dataSetName The name of the DataSet to return. |
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* @return DataSet |
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* @exception affymetrix_calvin_exceptions::DataSetNotFoundException DataSet not found. |
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*/ |
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public DataSet getDataSet(String dataSetName) throws DataSetNotFoundException { |
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DataSetHeader dph = GenericData.findDataSetHeader(dataGroupHeader, dataSetName); |
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if (dph != null) |
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{ |
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return new DataSet(filename, dph, handle); |
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} |
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else |
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{ |
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throw new DataSetNotFoundException(); |
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} |
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} |
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|
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/** Name of the generic file to access */ |
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protected String filename; |
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/** DataGroupHeader of the DataGroup from which to get DataSets*/ |
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protected DataGroupHeader dataGroupHeader; |
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/** File input handle */ |
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protected FileInputStream handle; |
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} |