Java Code Examples for org.apache.hadoop.io.IOUtils#writeFully()

The following examples show how to use org.apache.hadoop.io.IOUtils#writeFully() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: hadoop   File: EditLogFileOutputStream.java    License: Apache License 2.0 6 votes vote down vote up
private void preallocate() throws IOException {
  long position = fc.position();
  long size = fc.size();
  int bufSize = doubleBuf.getReadyBuf().getLength();
  long need = bufSize - (size - position);
  if (need <= 0) {
    return;
  }
  long oldSize = size;
  long total = 0;
  long fillCapacity = fill.capacity();
  while (need > 0) {
    fill.position(0);
    IOUtils.writeFully(fc, fill, size);
    need -= fillCapacity;
    size += fillCapacity;
    total += fillCapacity;
  }
  if(LOG.isDebugEnabled()) {
    LOG.debug("Preallocated " + total + " bytes at the end of " +
    		"the edit log (offset " + oldSize + ")");
  }
}
 
Example 2
Source Project: big-c   File: EditLogFileOutputStream.java    License: Apache License 2.0 6 votes vote down vote up
private void preallocate() throws IOException {
  long position = fc.position();
  long size = fc.size();
  int bufSize = doubleBuf.getReadyBuf().getLength();
  long need = bufSize - (size - position);
  if (need <= 0) {
    return;
  }
  long oldSize = size;
  long total = 0;
  long fillCapacity = fill.capacity();
  while (need > 0) {
    fill.position(0);
    IOUtils.writeFully(fc, fill, size);
    need -= fillCapacity;
    size += fillCapacity;
    total += fillCapacity;
  }
  if(LOG.isDebugEnabled()) {
    LOG.debug("Preallocated " + total + " bytes at the end of " +
    		"the edit log (offset " + oldSize + ")");
  }
}
 
Example 3
Source Project: hadoop   File: BestEffortLongFile.java    License: Apache License 2.0 5 votes vote down vote up
public void set(long newVal) throws IOException {
  lazyOpen();
  buf.clear();
  buf.putLong(newVal);
  buf.flip();
  IOUtils.writeFully(ch, buf, 0);
  value = newVal;
}
 
Example 4
Source Project: big-c   File: BestEffortLongFile.java    License: Apache License 2.0 5 votes vote down vote up
public void set(long newVal) throws IOException {
  lazyOpen();
  buf.clear();
  buf.putLong(newVal);
  buf.flip();
  IOUtils.writeFully(ch, buf, 0);
  value = newVal;
}