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Diffstat (limited to 'test/disabled/presentation/akka/src/com/eaio/uuid/UUID.java')
-rw-r--r-- | test/disabled/presentation/akka/src/com/eaio/uuid/UUID.java | 311 |
1 files changed, 0 insertions, 311 deletions
diff --git a/test/disabled/presentation/akka/src/com/eaio/uuid/UUID.java b/test/disabled/presentation/akka/src/com/eaio/uuid/UUID.java deleted file mode 100644 index 6c49bcd1c8..0000000000 --- a/test/disabled/presentation/akka/src/com/eaio/uuid/UUID.java +++ /dev/null @@ -1,311 +0,0 @@ -/* - * UUID.java - * - * Created 07.02.2003 - * - * eaio: UUID - an implementation of the UUID specification - * Copyright (c) 2003-2009 Johann Burkard (jb@eaio.com) http://eaio.com. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN - * NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, - * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR - * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE - * USE OR OTHER DEALINGS IN THE SOFTWARE. - * - */ -package com.eaio.uuid; - -import java.io.IOException; -import java.io.ObjectInputStream; -import java.io.ObjectOutputStream; -import java.io.Serializable; - -import org.omg.CORBA.portable.IDLEntity; - -import com.eaio.util.lang.Hex; - -/** - * Creates UUIDs according to the DCE Universal Token Identifier specification. - * <p> - * All you need to know: - * <pre> - * UUID u = new UUID(); - * </pre> - * - * @see <a href="http://www.opengroup.org/onlinepubs/9629399/apdxa.htm"> - * http://www.opengroup.org/onlinepubs/9629399/apdxa.htm - * </a> - * @see <a href="http://www.uddi.org/pubs/draft-leach-uuids-guids-01.txt"> - * http://www.uddi.org/pubs/draft-leach-uuids-guids-01.txt - * </a> - * @see <a href="http://johannburkard.de/software/uuid/">UUID</a> - * @author <a href="mailto:jb@eaio.de">Johann Burkard</a> - * @version $Id: UUID.java 1888 2009-03-15 12:43:24Z johann $ - */ -public class UUID implements Comparable<UUID>, Serializable, Cloneable, - IDLEntity { - - /** - * Hasn't ever changed between versions. - */ - static final long serialVersionUID = 7435962790062944603L; - - /** - * The time field of the UUID. - * - * @serial - */ - public long time; - - /** - * The clock sequence and node field of the UUID. - * - * @serial - */ - public long clockSeqAndNode; - - /** - * Constructor for UUID. Constructs a new, unique UUID. - * - * @see UUIDGen#newTime() - * @see UUIDGen#getClockSeqAndNode() - */ - public UUID() { - this(UUIDGen.newTime(), UUIDGen.getClockSeqAndNode()); - } - - /** - * Constructor for UUID. Constructs a UUID from two <code>long</code> values. - * - * @param time the upper 64 bits - * @param clockSeqAndNode the lower 64 bits - */ - public UUID(long time, long clockSeqAndNode) { - this.time = time; - this.clockSeqAndNode = clockSeqAndNode; - } - - /** - * Copy constructor for UUID. Values of the given UUID are copied. - * - * @param u the UUID, may not be <code>null</code> - */ - public UUID(UUID u) { - this(u.time, u.clockSeqAndNode); - } - - /** - * Parses a textual representation of a UUID. - * <p> - * No validation is performed. If the {@link CharSequence} is shorter than 36 characters, - * {@link ArrayIndexOutOfBoundsException}s will be thrown. - * - * @param s the {@link CharSequence}, may not be <code>null</code> - */ - public UUID(CharSequence s) { - this(Hex.parseLong(s.subSequence(0, 18)), Hex.parseLong(s.subSequence( - 19, 36))); - } - - /** - * Compares this UUID to another Object. Throws a {@link ClassCastException} if - * the other Object is not an instance of the UUID class. Returns a value - * smaller than zero if the other UUID is "larger" than this UUID and a value - * larger than zero if the other UUID is "smaller" than this UUID. - * - * @param t the other UUID, may not be <code>null</code> - * @return a value < 0, 0 or a value > 0 - * @see java.lang.Comparable#compareTo(java.lang.Object) - * @throws ClassCastException - */ - public int compareTo(UUID t) { - if (this == t) { - return 0; - } - if (time > t.time) { - return 1; - } - if (time < t.time) { - return -1; - } - if (clockSeqAndNode > t.clockSeqAndNode) { - return 1; - } - if (clockSeqAndNode < t.clockSeqAndNode) { - return -1; - } - return 0; - } - - /** - * Tweaked Serialization routine. - * - * @param out the ObjectOutputStream - * @throws IOException - */ - private void writeObject(ObjectOutputStream out) throws IOException { - out.writeLong(time); - out.writeLong(clockSeqAndNode); - } - - /** - * Tweaked Serialization routine. - * - * @param in the ObjectInputStream - * @throws IOException - */ - private void readObject(ObjectInputStream in) throws IOException { - time = in.readLong(); - clockSeqAndNode = in.readLong(); - } - - /** - * Returns this UUID as a String. - * - * @return a String, never <code>null</code> - * @see java.lang.Object#toString() - * @see #toAppendable(Appendable) - */ - @Override - public final String toString() { - return toAppendable(null).toString(); - } - - /** - * Appends a String representation of this to the given {@link StringBuffer} or - * creates a new one if none is given. - * - * @param in the StringBuffer to append to, may be <code>null</code> - * @return a StringBuffer, never <code>null</code> - * @see #toAppendable(Appendable) - */ - public StringBuffer toStringBuffer(StringBuffer in) { - StringBuffer out = in; - if (out == null) { - out = new StringBuffer(36); - } - else { - out.ensureCapacity(out.length() + 36); - } - return (StringBuffer) toAppendable(out); - } - - /** - * Appends a String representation of this object to the given {@link Appendable} object. - * <p> - * For reasons I'll probably never understand, Sun has decided to have a number of I/O classes implement - * Appendable which forced them to destroy an otherwise nice and simple interface with {@link IOException}s. - * <p> - * I decided to ignore any possible IOExceptions in this method. - * - * @param a the Appendable object, may be <code>null</code> - * @return an Appendable object, defaults to a {@link StringBuilder} if <code>a</code> is <code>null</code> - */ - public Appendable toAppendable(Appendable a) { - Appendable out = a; - if (out == null) { - out = new StringBuilder(36); - } - try { - Hex.append(out, (int) (time >> 32)).append('-'); - Hex.append(out, (short) (time >> 16)).append('-'); - Hex.append(out, (short) time).append('-'); - Hex.append(out, (short) (clockSeqAndNode >> 48)).append('-'); - Hex.append(out, clockSeqAndNode, 12); - } - catch (IOException ex) { - // What were they thinking? - } - return out; - } - - /** - * Returns a hash code of this UUID. The hash code is calculated by XOR'ing the - * upper 32 bits of the time and clockSeqAndNode fields and the lower 32 bits of - * the time and clockSeqAndNode fields. - * - * @return an <code>int</code> representing the hash code - * @see java.lang.Object#hashCode() - */ - @Override - public int hashCode() { - return (int) ((time >> 32) ^ time ^ (clockSeqAndNode >> 32) ^ clockSeqAndNode); - } - - /** - * Clones this UUID. - * - * @return a new UUID with identical values, never <code>null</code> - */ - @Override - public Object clone() { - try { - return super.clone(); - } - catch (CloneNotSupportedException ex) { - // One of Sun's most epic fails. - return null; - } - } - - /** - * Returns the time field of the UUID (upper 64 bits). - * - * @return the time field - */ - public final long getTime() { - return time; - } - - /** - * Returns the clock and node field of the UUID (lower 64 bits). - * - * @return the clockSeqAndNode field - */ - public final long getClockSeqAndNode() { - return clockSeqAndNode; - } - - /** - * Compares two Objects for equality. - * - * @see java.lang.Object#equals(Object) - * @param obj the Object to compare this UUID with, may be <code>null</code> - * @return <code>true</code> if the other Object is equal to this UUID, - * <code>false</code> if not - */ - @Override - public boolean equals(Object obj) { - if (!(obj instanceof UUID)) { - return false; - } - return compareTo((UUID) obj) == 0; - } - - /** - * Returns the nil UUID (a UUID whose values are both set to zero). - * <p> - * Starting with version 2.0, this method does return a new UUID instance every - * time it is called. Earlier versions returned one instance. This has now been - * changed because this UUID has public, non-final instance fields. Returning a - * new instance is therefore more safe. - * - * @return a nil UUID, never <code>null</code> - */ - public static UUID nilUUID() { - return new UUID(0, 0); - } - -} |