org.apache.jena.dboe.migrate

Class L

java.lang.Object

org.apache.jena.dboe.migrate.L

public class L
extends Object

Misc class

Constructor Summary

Constructors

Constructor and Description
L()

Method Summary

Modifier and Type	Method and Description
static void	async(Runnable r) Run asynchronously on another thread; the thread has started when this function returns.
static String	byteBufferToString(ByteBuffer bb) ByteBuffer to String
static <V> V	callWithAfter(Supplier<V> action, Runnable after) Execute and return a value; always call the "after" runnable
static <V> V	callWithBeforeAfter(Supplier<V> action, Runnable before, Runnable after) Execute.
static <V> V	callWithLock(Lock lock, Supplier<V> r) Run inside a Lock
static ByteBuffer	stringToByteBuffer(String str) String to ByteBuffer as UTF-8 bytes
static <T> T	syncCallThread(Supplier<T> r) Run synchronously but on another thread.
static void	syncOtherThread(Runnable r) Run synchronously but on another thread.
static byte[]	uuidAsBytes(JenaUUID uuid) Jena UUID to bytes (most significant first)
static byte[]	uuidAsBytes(long mostSignificantBits, long leastSignificantBits) UUID, as two longs, as bytes
static byte[]	uuidAsBytes(String str) A UUID string to bytes
static byte[]	uuidAsBytes(UUID uuid) Java UUID to bytes (most significant first)
static String	uuidToString(long mostSignificantBits, long leastSignificantBits)
static void	withAfter(Runnable action, Runnable after) Execute; always call the "after" runnable
static void	withBeforeAfter(Runnable action, Runnable before, Runnable after) Execute.
static void	withLock(Lock lock, Runnable r) Run inside a Lock
static void	writeStringAsUTF8(OutputStream out, String content) Write a string into an OutputStream as UTF-8.
static void	writeStringAsUTF8(String filename, String content) Write a string to a file as UTF-8.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

L

public L()

Method Detail

uuidAsBytes

public static byte[] uuidAsBytes(UUID uuid)

Java UUID to bytes (most significant first)

uuidAsBytes

public static byte[] uuidAsBytes(JenaUUID uuid)

Jena UUID to bytes (most significant first)

uuidAsBytes

public static byte[] uuidAsBytes(long mostSignificantBits,
                                 long leastSignificantBits)

UUID, as two longs, as bytes

uuidAsBytes

public static byte[] uuidAsBytes(String str)

A UUID string to bytes

uuidToString

public static String uuidToString(long mostSignificantBits,
                                  long leastSignificantBits)

async

public static void async(Runnable r)

Run asynchronously on another thread; the thread has started when this function returns.

syncOtherThread

public static void syncOtherThread(Runnable r)

Run synchronously but on another thread.

syncCallThread

public static <T> T syncCallThread(Supplier<T> r)

Run synchronously but on another thread.

withBeforeAfter

public static void withBeforeAfter(Runnable action,
                                   Runnable before,
                                   Runnable after)

Execute. Perform the "before" action, then main action. Always call the "after" runnable if the "before" succeeded. Be careful about argument order.

Parameters:

action -

before -

after -

callWithBeforeAfter

public static <V> V callWithBeforeAfter(Supplier<V> action,
                                        Runnable before,
                                        Runnable after)

Execute. Perform the "before" action, then main action. Always call the "after" runnable if the "before" succeeded. Be careful about argument order.

Parameters:

action -

before -

after -

withAfter

public static void withAfter(Runnable action,
                             Runnable after)

Execute; always call the "after" runnable

callWithAfter

public static <V> V callWithAfter(Supplier<V> action,
                                  Runnable after)

Execute and return a value; always call the "after" runnable

callWithLock

public static <V> V callWithLock(Lock lock,
                                 Supplier<V> r)

Run inside a Lock

withLock

public static void withLock(Lock lock,
                            Runnable r)

Run inside a Lock

writeStringAsUTF8

public static void writeStringAsUTF8(String filename,
                                     String content)
                              throws IOException

Write a string to a file as UTF-8. The file is closed after the operation.

Parameters:

filename -

content - String to be written

Throws:

IOException

writeStringAsUTF8

public static void writeStringAsUTF8(OutputStream out,
                                     String content)
                              throws IOException

Write a string into an OutputStream as UTF-8.

Parameters:

out - OutputStream destination.

content - String to be written

Throws:

IOException

stringToByteBuffer

public static ByteBuffer stringToByteBuffer(String str)

String to ByteBuffer as UTF-8 bytes

byteBufferToString

public static String byteBufferToString(ByteBuffer bb)

ByteBuffer to String