How to use

setReadyToFlush

method

in

org.apache.hadoop.hdfs.server.namenode.EditsDoubleBuffer

/**
 * All data that has been written to the stream so far will be flushed. New
 * data can be still written to the stream while flushing is performed.
 */
@Override
public void setReadyToFlush() throws IOException {
 doubleBuf.setReadyToFlush();
}

@Override
public void setReadyToFlush() throws IOException {
 buf.setReadyToFlush();
}

@Override // EditLogOutputStream
public void setReadyToFlush() throws IOException {
 doubleBuf.setReadyToFlush();
}

@Override
public void setReadyToFlush() throws IOException {
 buf.setReadyToFlush();
}

@Override // EditLogOutputStream
public void setReadyToFlush() throws IOException {
 doubleBuf.setReadyToFlush();
}

/**
 * All data that has been written to the stream so far will be flushed. New
 * data can be still written to the stream while flushing is performed.
 */
@Override
public void setReadyToFlush() throws IOException {
 doubleBuf.setReadyToFlush();
}

/**
 * All data that has been written to the stream so far will be flushed. New
 * data can be still written to the stream while flushing is performed.
 */
@Override
public void setReadyToFlush() throws IOException {
 doubleBuf.setReadyToFlush();
}

@Override
public void setReadyToFlush() throws IOException {
 buf.setReadyToFlush();
}

@Override // EditLogOutputStream
public void setReadyToFlush() throws IOException {
 doubleBuf.setReadyToFlush();
}

/**
 * All data that has been written to the stream so far will be flushed. New
 * data can be still written to the stream while flushing is performed.
 */
@Override
public void setReadyToFlush() throws IOException {
 doubleBuf.getCurrentBuf().write(FSEditLogOpCodes.OP_INVALID.getOpCode()); // insert eof marker
 doubleBuf.setReadyToFlush();
}

buf.setReadyToFlush();
assertEquals("Swapping buffers should still count buffered bytes",
  data.length, buf.countBufferedBytes());
assertEquals("Should count new data correctly",
  data.length, buf.countBufferedBytes());
buf.setReadyToFlush();
buf.flushTo(outBuf);