List of usage examples for org.apache.cassandra.io.util SequentialWriter getPath
public String getPath()
From source file:com.fullcontact.cassandra.io.util.BufferedRandomAccessFileTest.java
License:Apache License
@Test public void testGetPath() throws IOException { SequentialWriter file = createTempFile("brafGetPath"); assert file.getPath().contains("brafGetPath"); file.close();//from w w w. j a va 2 s . co m }
From source file:com.fullcontact.cassandra.io.util.BufferedRandomAccessFileTest.java
License:Apache License
@Test public void testClose() throws IOException { final SequentialWriter w = createTempFile("brafClose"); byte[] data = generateByteArray(RandomAccessReader.DEFAULT_BUFFER_SIZE + 20); w.write(data);/*ww w. j av a 2 s . c o m*/ w.close(); // will flush final RandomAccessReader r = RandomAccessReader.open(new Path(new File(w.getPath()).getPath()), fs); r.close(); // closing to test read after close expectException(new Callable<Object>() { public Object call() { return r.read(); } }, AssertionError.class); expectException(new Callable<Object>() { public Object call() throws IOException { w.write(generateByteArray(1)); return null; } }, ClosedChannelException.class); RandomAccessReader copy = RandomAccessReader.open(new Path(new File(r.getPath()).getPath()), fs); ByteBuffer contents = copy.readBytes((int) copy.length()); assertEquals(contents.limit(), data.length); assertEquals(ByteBufferUtil.compare(contents, data), 0); }
From source file:com.fullcontact.cassandra.io.util.BufferedRandomAccessFileTest.java
License:Apache License
@Test public void testReadOnly() throws IOException { SequentialWriter file = createTempFile("brafReadOnlyTest"); byte[] data = new byte[20]; for (int i = 0; i < data.length; i++) data[i] = 'c'; file.write(data);/*from w w w. j ava 2 s. c o m*/ file.sync(); // flushing file to the disk // read-only copy of the file, with fixed file length final RandomAccessReader copy = RandomAccessReader.open(new Path(file.getPath()), fs); copy.seek(copy.length()); assertTrue(copy.bytesRemaining() == 0 && copy.isEOF()); // can't seek past the end of the file for read-only files expectException(new Callable<Object>() { public Object call() { copy.seek(copy.length() + 1); return null; } }, IllegalArgumentException.class); // Any write() call should fail expectException(new Callable<Object>() { public Object call() throws IOException { copy.write(1); return null; } }, UnsupportedOperationException.class); expectException(new Callable<Object>() { public Object call() throws IOException { copy.write(new byte[1]); return null; } }, UnsupportedOperationException.class); expectException(new Callable<Object>() { public Object call() throws IOException { copy.write(new byte[3], 0, 2); return null; } }, UnsupportedOperationException.class); copy.seek(0); copy.skipBytes(5); assertEquals(copy.bytesRemaining(), 15); assertEquals(copy.getFilePointer(), 5); assertTrue(!copy.isEOF()); copy.seek(0); ByteBuffer contents = copy.readBytes((int) copy.length()); assertEquals(contents.limit(), copy.length()); assertTrue(ByteBufferUtil.compare(contents, data) == 0); copy.seek(0); int count = 0; while (!copy.isEOF()) { assertEquals((byte) copy.read(), 'c'); count++; } assertEquals(count, copy.length()); copy.seek(0); byte[] content = new byte[10]; copy.read(content); assertEquals(new String(content), "cccccccccc"); file.close(); copy.close(); }
From source file:com.fullcontact.cassandra.io.util.RandomAccessReader.java
License:Apache License
@VisibleForTesting static RandomAccessReader open(SequentialWriter writer, FileSystem fs) { return open(new Path(writer.getPath()), DEFAULT_BUFFER_SIZE, false, null, fs); }