Java REngineException类代码示例

import org.rosuda.REngine.REngineException; //导入依赖的package包/类
/**
 * Write a file to the RServer.
 * @param outputFilename the filename
 * @param value The content of the file
 * @throws REngineException if an error occurs while writing the file
 */
public void writeStringAsFile(final String outputFilename, final String value)
    throws REngineException {

  if (outputFilename == null) {
    return;
  }

  try {

    final Writer writer =
        FileUtils.createBufferedWriter(getFileOutputStream(outputFilename));
    if (value != null) {
      writer.write(value);
      writer.close();
    }
  } catch (IOException e) {
    throw new REngineException(getRConnection(), "Error: " + e.getMessage());
  }

}
 

import org.rosuda.REngine.REngineException; //导入依赖的package包/类
/**
 * Remove a file on the RServer.
 * @param filename File to remove
 */
public void removeFile(final String filename) throws REngineException {

  // Test if the file exists
  final RConnection c = getRConnection();

  try {

    REXP exists = c.eval("file.exists(\"" + filename + "\")");
    if (exists.asInteger() == 1) {
      c.voidEval("file.remove(\"" + filename + "\")");
    }

  } catch (RserveException | REXPMismatchException e) {
    throw new REngineException(c, "RServe exception: " + e);
  }
}
 

import org.rosuda.REngine.REngineException; //导入依赖的package包/类
/**
 * Execute a R code.
 * @param source code to execute
 * @throws REngineException if an error while executing the code
 */
public void executeRCode(final String source) throws REngineException {

  if (source == null) {
    return;
  }

  final RConnection c = getRConnection();

  try {

    // Execute the source
    c.voidEval("source(\"" + source + "\")");

  } catch (RserveException e) {
    throw new REngineException(c, "RServe exception: " + e);
  }
}
 

import org.rosuda.REngine.REngineException; //导入依赖的package包/类
@Override
public void getOutputFiles() throws IOException {

  checkConnection();

  try {

    // Get all the filenames
    final List<String> filenames = this.rConnection.listFiles();

    for (String filename : filenames) {

      // Retrieve the file
      this.rConnection.getFile(filename,
          new File(getOutputDirectory(), filename));

      // Delete the file
      removeFile(filename);
    }

  } catch (REngineException | REXPMismatchException e) {
    throw new IOException(e);
  }
}
 

import org.rosuda.REngine.REngineException; //导入依赖的package包/类
@Override
protected void removeFile(final String filename) throws IOException {

  checkConnection();

  // Check if Rserve files can be removed
  if (EoulsanRuntime.getSettings().isKeepRServeFiles()) {
    return;
  }

  // Remove file from Rserve server
  try {
    this.rConnection.removeFile(filename);
  } catch (REngineException e) {
    throw new IOException(e);
  }
}
 

import org.rosuda.REngine.REngineException; //导入依赖的package包/类
@Override
public void writerFile(final String content, final String outputFilename)
    throws IOException {

  checkConnection();

  if (content == null) {
    throw new NullPointerException("content argument cannot be null");
  }

  if (outputFilename == null) {
    throw new NullPointerException("outputFilename argument cannot be null");
  }

  try (Writer writer = new OutputStreamWriter(
      this.rConnection.getFileOutputStream(outputFilename))) {
    writer.write(content);
  } catch (REngineException e) {
    throw new IOException(e);
  }

}
 

import org.rosuda.REngine.REngineException; //导入依赖的package包/类
public CellHTS2(ScreenResult screenResult, 
                String title,
                String reportsPath,
                String saveRObjectsPath) throws RserveException, REngineException,
REXPMismatchException {
  this.screenResult = screenResult;
  this.rConnection = new RConnection();
  this.arrayDimensions = calculateArrayDimensions(screenResult);
  this.title = title;
  this.reportsPath = reportsPath;
  if (!StringUtils.isEmpty(saveRObjectsPath)) {
    this.saveRObjectsPath = saveRObjectsPath;
    File file = new File(saveRObjectsPath);
    if (file.exists()) {
      this.saveRObjects = true;
    }
    else {
      log.error(saveRObjectsPath +
        "does not exist (cellHTS2.saveRObjects.directory system property); R objects will not be saved");
    }
  }
}
 

import org.rosuda.REngine.REngineException; //导入依赖的package包/类
public String[][] getConfigureDbResultSlog() throws RserveException, REngineException, REXPMismatchException {
  
  // Example screenlog: data.frame(Plate=c(1),Well=c("A02"),Sample=c(1),Flag=c("NA"),Channel=c(1),stringsAsFactors=FALSE)
  
  RserveExtensions rserveExtensions = new RserveExtensions();
  REXP rexpPlate = rserveExtensions.tryEval(rConnection, "screenLog <- [email protected]; resultContent <- screenLog$Plate");
  REXP rexpWell = rserveExtensions.tryEval(rConnection, "resultContent <- screenLog$Well");
  REXP rexpSample = rserveExtensions.tryEval(rConnection, "resultContent <- screenLog$Sample");    //Sample = Replicate
  REXP rexpFlag = rserveExtensions.tryEval(rConnection, "resultContent <- screenLog$Flag");
  REXP rexpChannel = rserveExtensions.tryEval(rConnection,"resultContent <- screenLog$Channel");
  
  String [][] result =null;
  if (!rexpPlate.isNull()) {
    // all have the same length
    result = new String[5][rexpPlate.asStrings().length];
    result[0] = rexpPlate.asStrings();
    result[1] = rexpWell.asStrings();
    result[2] = rexpSample.asStrings();
    result[3] = rexpFlag.asStrings();
    result[4] = rexpChannel.asStrings();
 
  }

  return result;
}
 

import org.rosuda.REngine.REngineException; //导入依赖的package包/类
public void testCalculateArrayDimensions()
  throws RserveException,
  REngineException,
  REXPMismatchException
{

  ScreenResult screenResult = MakeDummyEntitiesCellHTS2.makeSimpleDummyScreenResult();
  String title = "Dummy_Experiment";
  CellHTS2 cellHts2 = new CellHTS2(screenResult, title, ".", null);

  ArrayDimensions expected = new ArrayDimensions();

  expected.setNrChannels(1);
  expected.setNrColsPlate(2);
  expected.setNrPlates(2);
  expected.setNrReps(2);
  expected.setNrRowsPlate(2);
  expected.setNrWells(4);

  assertEquals(expected, cellHts2.getArrayDimensions());
}
 

import org.rosuda.REngine.REngineException; //导入依赖的package包/类
public void normalizePlatesAssert(NormalizePlatesMethod normalizePlatesMethod,
                                  NormalizePlatesScale normalizePlatesScale,
                                  int nrPlateColumns,
                                  NormalizePlatesNegControls normalizePlatesNegControls,
                                  boolean inclNS)
  throws RserveException,
  REngineException,
  REXPMismatchException
{
  normalizePlatesAssert(normalizePlatesMethod,
                        normalizePlatesScale,
                        nrPlateColumns,
                        NormalizePlatesNegControls.NEG,
                        inclNS,
                        false);
}
 

import org.rosuda.REngine.REngineException; //导入依赖的package包/类
@Override
public boolean isAvailable() {

  final RSConnection connection = new RSConnection(this.serverName);

  try {
    connection.getRConnection();
    connection.disConnect();
  } catch (REngineException e) {
    return false;
  }

  return true;
}
 

import org.rosuda.REngine.REngineException; //导入依赖的package包/类
/**
 * Get the R connection.
 * @return Returns the RConnection
 * @throws REngineException
 */
public RConnection getRConnection() throws REngineException {

  if (this.rconnection == null) {
    connect();
  }

  return this.rconnection;
}
 

import org.rosuda.REngine.REngineException; //导入依赖的package包/类
/**
 * Create an inputStream on a file on RServer.
 * @param filename Name of the file on RServer to load
 * @return an inputStream
 * @throws REngineException if an exception occurs while reading file
 */
public InputStream getFileInputStream(final String filename)
    throws REngineException {

  final RConnection c = getRConnection();

  try {
    return c.openFile(filename);
  } catch (IOException e) {

    throw new REngineException(c, "Error: " + e.getMessage());
  }

}
 

import org.rosuda.REngine.REngineException; //导入依赖的package包/类
/**
 * Create an outputStream on a file on RServer.
 * @param filename Name of the file on RServer to write
 * @return an outputStream
 * @throws REngineException if an exception occurs while reading file
 */
public OutputStream getFileOutputStream(final String filename)
    throws REngineException {

  final RConnection c = getRConnection();

  try {
    return c.createFile(filename);
  } catch (IOException e) {

    throw new REngineException(c, "Error: " + e.getMessage());
  }

}
 

import org.rosuda.REngine.REngineException; //导入依赖的package包/类
/**
 * Put a file from the RServer.
 * @param inputFile input file of the file to put
 * @param rServeFilename filename of the file to put
 * @throws REngineException if an error occurs while downloading the file
 */
public void putFile(final File inputFile, final String rServeFilename)
    throws REngineException {

  checkNotNull(inputFile, "inputFile argument cannot be null");
  checkNotNull(rServeFilename, "rServeFilename argument cannot be null");

  try {
    putFile(new FileInputStream(inputFile), rServeFilename);
  } catch (FileNotFoundException e) {
    throw new REngineException(getRConnection(),
        "file not found: " + e.getMessage());
  }
}