Java Code Examples for org.apache.flink.core.memory.MemorySegmentFactory#allocateUnpooledOffHeapMemory()

The following examples show how to use org.apache.flink.core.memory.MemorySegmentFactory#allocateUnpooledOffHeapMemory() . 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 File: BufferReaderWriterUtilTest.java    From flink with Apache License 2.0 6 votes vote down vote up 
@Test
public void readPrematureEndOfFile1() throws Exception {
	final FileChannel fc = tmpFileChannel();
	final Buffer buffer = createTestBuffer();
	final MemorySegment readBuffer = MemorySegmentFactory.allocateUnpooledOffHeapMemory(buffer.getSize(), null);

	BufferReaderWriterUtil.writeToByteChannel(fc, buffer, BufferReaderWriterUtil.allocatedWriteBufferArray());
	fc.truncate(fc.position() - 1);
	fc.position(0);

	try {
		BufferReaderWriterUtil.readFromByteChannel(
				fc, BufferReaderWriterUtil.allocatedHeaderBuffer(), readBuffer, FreeingBufferRecycler.INSTANCE);
		fail();
	}
	catch (IOException e) {
		// expected
	}
}
Example 2
Source File: BufferReaderWriterUtilTest.java    From flink with Apache License 2.0 6 votes vote down vote up 
@Test
public void readPrematureEndOfFile2() throws Exception {
	final FileChannel fc = tmpFileChannel();
	final Buffer buffer = createTestBuffer();
	final MemorySegment readBuffer = MemorySegmentFactory.allocateUnpooledOffHeapMemory(buffer.getSize(), null);

	BufferReaderWriterUtil.writeToByteChannel(fc, buffer, BufferReaderWriterUtil.allocatedWriteBufferArray());
	fc.truncate(2); // less than a header size
	fc.position(0);

	try {
		BufferReaderWriterUtil.readFromByteChannel(
				fc, BufferReaderWriterUtil.allocatedHeaderBuffer(), readBuffer, FreeingBufferRecycler.INSTANCE);
		fail();
	}
	catch (IOException e) {
		// expected
	}
}
Example 3
Source File: BufferReaderWriterUtilTest.java    From flink with Apache License 2.0 6 votes vote down vote up 
@Test
public void readPrematureEndOfFile1() throws Exception {
	final FileChannel fc = tmpFileChannel();
	final Buffer buffer = createTestBuffer();
	final MemorySegment readBuffer = MemorySegmentFactory.allocateUnpooledOffHeapMemory(buffer.getSize(), null);

	BufferReaderWriterUtil.writeToByteChannel(fc, buffer, BufferReaderWriterUtil.allocatedWriteBufferArray());
	fc.truncate(fc.position() - 1);
	fc.position(0);

	try {
		BufferReaderWriterUtil.readFromByteChannel(
				fc, BufferReaderWriterUtil.allocatedHeaderBuffer(), readBuffer, FreeingBufferRecycler.INSTANCE);
		fail();
	}
	catch (IOException e) {
		// expected
	}
}
Example 4
Source File: BufferReaderWriterUtilTest.java    From flink with Apache License 2.0 6 votes vote down vote up 
@Test
public void readPrematureEndOfFile2() throws Exception {
	final FileChannel fc = tmpFileChannel();
	final Buffer buffer = createTestBuffer();
	final MemorySegment readBuffer = MemorySegmentFactory.allocateUnpooledOffHeapMemory(buffer.getSize(), null);

	BufferReaderWriterUtil.writeToByteChannel(fc, buffer, BufferReaderWriterUtil.allocatedWriteBufferArray());
	fc.truncate(2); // less than a header size
	fc.position(0);

	try {
		BufferReaderWriterUtil.readFromByteChannel(
				fc, BufferReaderWriterUtil.allocatedHeaderBuffer(), readBuffer, FreeingBufferRecycler.INSTANCE);
		fail();
	}
	catch (IOException e) {
		// expected
	}
}
Example 5
Source File: BufferReaderWriterUtilTest.java    From flink with Apache License 2.0 5 votes vote down vote up 
@Test
public void writeReadFileChannel() throws Exception {
	final FileChannel fc = tmpFileChannel();
	final Buffer buffer = createTestBuffer();
	final MemorySegment readBuffer = MemorySegmentFactory.allocateUnpooledOffHeapMemory(buffer.getSize(), null);

	BufferReaderWriterUtil.writeToByteChannel(fc, buffer, BufferReaderWriterUtil.allocatedWriteBufferArray());
	fc.position(0);

	Buffer result = BufferReaderWriterUtil.readFromByteChannel(
			fc, BufferReaderWriterUtil.allocatedHeaderBuffer(), readBuffer, FreeingBufferRecycler.INSTANCE);

	validateTestBuffer(result);
}
Example 6
Source File: BufferReaderWriterUtilTest.java    From flink with Apache License 2.0 5 votes vote down vote up 
@Test
public void writeReadFileChannel() throws Exception {
	final FileChannel fc = tmpFileChannel();
	final Buffer buffer = createTestBuffer();
	final MemorySegment readBuffer = MemorySegmentFactory.allocateUnpooledOffHeapMemory(buffer.getSize(), null);

	BufferReaderWriterUtil.writeToByteChannel(fc, buffer, BufferReaderWriterUtil.allocatedWriteBufferArray());
	fc.position(0);

	Buffer result = BufferReaderWriterUtil.readFromByteChannel(
			fc, BufferReaderWriterUtil.allocatedHeaderBuffer(), readBuffer, FreeingBufferRecycler.INSTANCE);

	validateTestBuffer(result);
}
Example 7
Source File: BufferCompressionTest.java    From flink with Apache License 2.0 5 votes vote down vote up 
private static Buffer createBufferAndFillWithLongValues(boolean isDirect) {
	MemorySegment segment;
	if (isDirect) {
		segment = MemorySegmentFactory.allocateUnpooledSegment(BUFFER_SIZE);
	} else {
		segment = MemorySegmentFactory.allocateUnpooledOffHeapMemory(BUFFER_SIZE);
	}
	for (int i = 0; i < NUM_LONGS; ++i) {
		segment.putLongLittleEndian(8 * i, i);
	}
	NetworkBuffer buffer = new NetworkBuffer(segment, FreeingBufferRecycler.INSTANCE);
	buffer.setSize(8 * NUM_LONGS);
	return buffer;
}
Example 8
Source File: MemoryManager.java    From Flink-CEPplus with Apache License 2.0 4 votes vote down vote up 
@Override
MemorySegment allocateNewSegment(Object owner) {
	return MemorySegmentFactory.allocateUnpooledOffHeapMemory(segmentSize, owner);
}
Example 9
Source File: MemoryManager.java    From flink with Apache License 2.0 4 votes vote down vote up 
@Override
MemorySegment allocateNewSegment(Object owner) {
	return MemorySegmentFactory.allocateUnpooledOffHeapMemory(segmentSize, owner);
}