public void initIOContext(FileSplit split, JobConf job, Class inputFormatClass, RecordReader recordReader) throws IOException { boolean blockPointer = false; long blockStart = -1; FileSplit fileSplit = split; Path path = fileSplit.getPath(); FileSystem fs = path.getFileSystem(job); if (inputFormatClass.getName().contains("SequenceFile")) { SequenceFile.Reader in = new SequenceFile.Reader(fs, path, job); blockPointer = in.isBlockCompressed(); in.sync(fileSplit.getStart()); blockStart = in.getPosition(); in.close(); } else if (recordReader instanceof RCFileRecordReader) { blockPointer = true; blockStart = ((RCFileRecordReader) recordReader).getStart(); } else if (inputFormatClass.getName().contains("RCFile")) { blockPointer = true; RCFile.Reader in = new RCFile.Reader(fs, path, job); in.sync(fileSplit.getStart()); blockStart = in.getPosition(); in.close(); } this.jobConf = job; this.initIOContext(blockStart, blockPointer, path.makeQualified(fs)); this.initIOContextSortedProps(split, recordReader, job); }
public void initIOContext(FileSplit split, JobConf job, Class inputFormatClass, RecordReader recordReader) throws IOException { boolean blockPointer = false; long blockStart = -1; FileSplit fileSplit = split; Path path = fileSplit.getPath(); FileSystem fs = path.getFileSystem(job); if (inputFormatClass.getName().contains("SequenceFile")) { SequenceFile.Reader in = new SequenceFile.Reader(fs, path, job); blockPointer = in.isBlockCompressed(); in.sync(fileSplit.getStart()); blockStart = in.getPosition(); in.close(); } else if (recordReader instanceof RCFileRecordReader) { blockPointer = true; blockStart = ((RCFileRecordReader) recordReader).getStart(); } else if (inputFormatClass.getName().contains("RCFile")) { blockPointer = true; RCFile.Reader in = new RCFile.Reader(fs, path, job); in.sync(fileSplit.getStart()); blockStart = in.getPosition(); in.close(); } this.jobConf = job; this.initIOContext(blockStart, blockPointer, path.makeQualified(fs)); this.initIOContextSortedProps(split, recordReader, job); }
public void initIOContext(FileSplit split, JobConf job, Class inputFormatClass, RecordReader recordReader) throws IOException { boolean blockPointer = false; long blockStart = -1; FileSplit fileSplit = split; Path path = fileSplit.getPath(); FileSystem fs = path.getFileSystem(job); if (inputFormatClass.getName().contains("SequenceFile")) { SequenceFile.Reader in = new SequenceFile.Reader(fs, path, job); blockPointer = in.isBlockCompressed(); in.sync(fileSplit.getStart()); blockStart = in.getPosition(); in.close(); } else if (recordReader instanceof RCFileRecordReader) { blockPointer = true; blockStart = ((RCFileRecordReader) recordReader).getStart(); } else if (inputFormatClass.getName().contains("RCFile")) { blockPointer = true; RCFile.Reader in = new RCFile.Reader(fs, path, job); in.sync(fileSplit.getStart()); blockStart = in.getPosition(); in.close(); } this.jobConf = job; this.initIOContext(blockStart, blockPointer, path.makeQualified(fs)); this.initIOContextSortedProps(split, recordReader, job); }