Example usage for org.apache.cassandra.io.util RandomAccessReader reset

Introduction

In this page you can find the example usage for org.apache.cassandra.io.util RandomAccessReader reset.

Prototype

@Override
    public void reset() throws IOException 

Source Link

Usage

From source file:com.fullcontact.cassandra.io.util.BufferedRandomAccessFileTest.java

License:Apache License

@Test
public void testMarkAndReset() throws IOException {
    SequentialWriter w = createTempFile("brafTestMark");
    w.write(new byte[30]);

    w.close();/*from www . ja  v a  2s . c o m*/

    RandomAccessReader file = RandomAccessReader.open(w, fs);

    file.seek(10);
    FileMark mark = file.mark();

    file.seek(file.length());
    assertTrue(file.isEOF());

    file.reset();
    assertEquals(file.bytesRemaining(), 20);

    file.seek(file.length());
    assertTrue(file.isEOF());

    file.reset(mark);
    assertEquals(file.bytesRemaining(), 20);

    file.seek(file.length());
    assertEquals(file.bytesPastMark(), 20);
    assertEquals(file.bytesPastMark(mark), 20);

    file.reset(mark);
    assertEquals(file.bytesPastMark(), 0);

    file.close();
}

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