Java Code Examples for org.apache.flink.util.StringUtils#byteToHexString()

@Override
public String toString() {
	final String typeString;
	switch (this.type) {
		case TRANSIENT_BLOB:
			typeString = "t-";
			break;
		case PERMANENT_BLOB:
			typeString = "p-";
			break;
		default:
			// this actually never happens!
			throw new IllegalStateException("Invalid BLOB type");
	}
	return typeString + StringUtils.byteToHexString(this.key) + "-" + random.toString();
}
 

/**
 * Creates a new buffer spiller, spilling to one of the I/O manager's temp directories.
 *
 * @param ioManager The I/O manager for access to the temp directories.
 * @param pageSize The page size used to re-create spilled buffers.
 * @throws IOException Thrown if the temp files for spilling cannot be initialized.
 */
public BufferSpiller(IOManager ioManager, int pageSize) throws IOException {
	this.pageSize = pageSize;

	this.readBuffer = ByteBuffer.allocateDirect(READ_BUFFER_SIZE);
	this.readBuffer.order(ByteOrder.LITTLE_ENDIAN);

	this.headBuffer = ByteBuffer.allocateDirect(16);
	this.headBuffer.order(ByteOrder.LITTLE_ENDIAN);

	File[] tempDirs = ioManager.getSpillingDirectories();
	this.tempDir = tempDirs[DIRECTORY_INDEX.getAndIncrement() % tempDirs.length];

	byte[] rndBytes = new byte[32];
	ThreadLocalRandom.current().nextBytes(rndBytes);
	this.spillFilePrefix = StringUtils.byteToHexString(rndBytes) + '.';

	// prepare for first contents
	createSpillingChannel();
}
 

@Override
public String toString() {
	final String typeString;
	switch (this.type) {
		case TRANSIENT_BLOB:
			typeString = "t-";
			break;
		case PERMANENT_BLOB:
			typeString = "p-";
			break;
		default:
			// this actually never happens!
			throw new IllegalStateException("Invalid BLOB type");
	}
	return typeString + StringUtils.byteToHexString(this.key) + "-" + random.toString();
}
 

/**
 * Creates a new {@link BufferSpiller}, spilling to one of the I/O manager's temp directories.
 *
 * @param ioManager The I/O manager for access to the temp directories.
 * @param pageSize The page size used to re-create spilled buffers.
 * @param maxBufferedBytes The maximum bytes to be buffered before the checkpoint aborts.
 * @param taskName The task name for logging.
 * @throws IOException Thrown if the temp files for spilling cannot be initialized.
 */
public BufferSpiller(IOManager ioManager, int pageSize, long maxBufferedBytes, String taskName) throws IOException {
	super(maxBufferedBytes, taskName);
	this.pageSize = pageSize;

	this.readBuffer = ByteBuffer.allocateDirect(READ_BUFFER_SIZE);
	this.readBuffer.order(ByteOrder.LITTLE_ENDIAN);

	this.headBuffer = ByteBuffer.allocateDirect(16);
	this.headBuffer.order(ByteOrder.LITTLE_ENDIAN);

	File[] tempDirs = ioManager.getSpillingDirectories();
	this.tempDir = tempDirs[DIRECTORY_INDEX.getAndIncrement() % tempDirs.length];

	byte[] rndBytes = new byte[32];
	ThreadLocalRandom.current().nextBytes(rndBytes);
	this.spillFilePrefix = StringUtils.byteToHexString(rndBytes) + '.';

	// prepare for first contents
	createSpillingChannel();
}
 

@Override
public String toString() {
	final String typeString;
	switch (this.type) {
		case TRANSIENT_BLOB:
			typeString = "t-";
			break;
		case PERMANENT_BLOB:
			typeString = "p-";
			break;
		default:
			// this actually never happens!
			throw new IllegalStateException("Invalid BLOB type");
	}
	return typeString + StringUtils.byteToHexString(this.key) + "-" + random.toString();
}
 

@Override
public String toString() {
	return encodedReference == null ? "(default)"
			: StringUtils.byteToHexString(encodedReference, 0, encodedReference.length);
}
 

private static String randomString(Random random) {
	final byte[] bytes = new byte[20];
	random.nextBytes(bytes);
	return StringUtils.byteToHexString(bytes);
}
 

private static String randomString(Random random) {
	byte[] bytes = new byte[RANDOM_BYTES_LENGTH];
	random.nextBytes(bytes);
	return StringUtils.byteToHexString(bytes);
}
 

@Override
public String toString() {
	return encodedReference == null ? "(default)"
			: StringUtils.byteToHexString(encodedReference, 0, encodedReference.length);
}
 

private static String randomString(Random random) {
	final byte[] bytes = new byte[20];
	random.nextBytes(bytes);
	return StringUtils.byteToHexString(bytes);
}
 

private static String randomString(Random random) {
	byte[] bytes = new byte[RANDOM_BYTES_LENGTH];
	random.nextBytes(bytes);
	return StringUtils.byteToHexString(bytes);
}
 

@Override
public String toString() {
	return encodedReference == null ? "(default)"
			: StringUtils.byteToHexString(encodedReference, 0, encodedReference.length);
}
 

private static String randomString(Random random) {
	final byte[] bytes = new byte[20];
	random.nextBytes(bytes);
	return StringUtils.byteToHexString(bytes);
}
 

private static String randomString(Random random) {
	byte[] bytes = new byte[RANDOM_BYTES_LENGTH];
	random.nextBytes(bytes);
	return StringUtils.byteToHexString(bytes);
}