// Task: create collection to translate Polish-English words in two ways
public static void main(String[] args) {
ENGLISH_WORD[] englishWords = ENGLISH_WORD.values();
String[] russianWords = {"jeden", "dwa", "trzy", "kula", "snieg"};
// Create Multiset
BiMap<ENGLISH_WORD, String> biMap = EnumHashBiMap.create(ENGLISH_WORD.class);
// Create English-Polish dictionary
int i = 0;
for (ENGLISH_WORD englishWord : englishWords) {
biMap.put(englishWord, russianWords[i]);
i++;
}
// Print count words
System.out.println(biMap); // print {ONE=jeden, TWO=dwa, THREE=trzy, BALL=kula, SNOW=snieg}
// Print all unique words
System.out.println(biMap.keySet()); // print [ONE, TWO, THREE, BALL, SNOW]
System.out.println(biMap.values()); // print [jeden, dwa, trzy, kula, snieg]
// Print translate by words
System.out.println("one = " + biMap.get(ENGLISH_WORD.ONE)); // print one = jeden
System.out.println("two = " + biMap.get(ENGLISH_WORD.TWO)); // print two = dwa
System.out.println("kula = " + biMap.inverse().get("kula")); // print kula = BALL
System.out.println("snieg = " + biMap.inverse().get("snieg")); // print snieg = SNOW
System.out.println("empty = " + biMap.get("empty")); // print empty = null
// Print count word's pair
System.out.println(biMap.size()); // print 5
}
public IdEObject getByOid(long oid) {
IdEObject result = objectsToCommitFirst.inverse().get(oid);
if (result == null) {
return objectsToCommitSecond.inverse().get(oid);
}
return result;
}
@Override
protected void channelRead0(ChannelHandlerContext ctx, DatagramPacket packet) throws Exception {
String request = packet.content().toString(CharsetUtil.UTF_8);
if (logger.isDebugEnabled())
logger.debug("Sender " + packet.sender() + " sent request:" + request);
if (!sessionList.inverse().containsKey(packet.sender())) {
String session = UUID.randomUUID().toString();
String localAddress = ctx.channel().localAddress().toString();
String remoteAddress = ctx.channel().remoteAddress().toString();
SubscriptionManagerFactory.getInstance()
.add(session, session, outputType, localAddress, remoteAddress);
sessionList.put(session, packet.sender());
if (logger.isDebugEnabled())
logger.debug("Added Sender " + packet.sender() + ", session:" + session);
ctx.channel()
.writeAndFlush(
new DatagramPacket(
Unpooled.copiedBuffer(
Util.getWelcomeMsg().toString() + "\r\n", CharsetUtil.UTF_8),
packet.sender()));
}
Map<String, Object> headers = getHeaders(sessionList.inverse().get(packet.sender()));
producer.sendBodyAndHeaders(request, headers);
}
@SuppressWarnings("unchecked")
public ByteBuffer serialize() {
if (serialized != null) {
return serialized.duplicate();
}
ByteBufferOutputStream out = new ByteBufferOutputStream();
int i = 0;
for (Component c : components) {
Serializer<?> s = serializerForPosition(i);
ByteBuffer cb = c.getBytes(s);
if (cb == null) {
cb = ByteBuffer.allocate(0);
}
if (dynamic) {
String comparator = comparatorForPosition(i);
if (comparator == null) {
comparator = c.getComparator();
}
if (comparator == null) {
comparator = BYTESTYPE.getTypeName();
}
int p = comparator.indexOf("(reversed=true)");
boolean desc = false;
if (p >= 0) {
comparator = comparator.substring(0, p);
desc = true;
}
if (aliasToComparatorMapping.inverse().containsKey(comparator)) {
byte a = aliasToComparatorMapping.inverse().get(comparator);
if (desc) {
a = (byte) Character.toUpperCase((char) a);
}
out.writeShort((short) (0x8000 | a));
} else {
out.writeShort((short) comparator.length());
out.write(comparator.getBytes(Charsets.UTF_8));
}
// if (comparator.equals(BYTESTYPE.getTypeName()) && (cb.remaining() ==
// 0)) {
// log.warn("Writing zero-length BytesType, probably an error");
// }
}
out.writeShort((short) cb.remaining());
out.write(cb.slice());
if ((i == (components.size() - 1)) && (equality != ComponentEquality.EQUAL)) {
out.write(equality.toByte());
} else {
out.write(c.getEquality().toByte());
}
i++;
}
serialized = out.getByteBuffer();
return serialized.duplicate();
}
/** Adds an expression and returns a reference name. */
public String addExpr(Expr expr) throws PlanningException {
if (idToExprBiMap.inverse().containsKey(expr)) {
int refId = idToExprBiMap.inverse().get(expr);
return idToNamesMap.get(refId).get(0);
}
String generatedName = plan.generateUniqueColumnName(expr);
return addExpr(expr, generatedName);
}
public void removeEndpoint(InetAddress endpoint) {
assert endpoint != null;
lock.writeLock().lock();
try {
bootstrapTokens.inverse().remove(endpoint);
tokenToEndPointMap.inverse().remove(endpoint);
leavingEndPoints.remove(endpoint);
sortedTokens = sortTokens();
} finally {
lock.writeLock().unlock();
}
}
public void updateNormalToken(Token token, InetAddress endpoint) {
assert token != null;
assert endpoint != null;
lock.writeLock().lock();
try {
bootstrapTokens.inverse().remove(endpoint);
tokenToEndPointMap.inverse().remove(endpoint);
if (!endpoint.equals(tokenToEndPointMap.put(token, endpoint))) {
sortedTokens = sortTokens();
}
leavingEndPoints.remove(endpoint);
} finally {
lock.writeLock().unlock();
}
}
private int regionToDot(Region r, StringBuilder str, Map<Region, Integer> cache) {
if (cache.containsKey(r)) { // use same region again
return cache.get(r);
} else {
Triple<Region, Region, Region> triple = delegate.getIfThenElse(r);
// create node with label
String predName = regionMap.inverse().get(triple.getFirst());
nodeCounter += 1; // one more node is created
int predNum = nodeCounter;
str.append(predNum).append(" [label=\"").append(predName).append("\"];\n");
// create arrow for true branch
Region trueBranch = triple.getSecond();
int trueTarget = regionToDot(trueBranch, str, cache);
str.append(predNum).append(" -> ").append(trueTarget).append(" [style=filled];\n");
// create arrow for false branch
Region falseBranch = triple.getThird();
int falseTarget = regionToDot(falseBranch, str, cache);
str.append(predNum).append(" -> ").append(falseTarget).append(" [style=dotted];\n");
cache.put(r, predNum);
return predNum;
}
}
public void addBootstrapToken(Token token, InetAddress endpoint) {
assert token != null;
assert endpoint != null;
lock.writeLock().lock();
try {
InetAddress oldEndPoint = null;
oldEndPoint = bootstrapTokens.get(token);
if (oldEndPoint != null && !oldEndPoint.equals(endpoint))
throw new RuntimeException(
"Bootstrap Token collision between "
+ oldEndPoint
+ " and "
+ endpoint
+ " (token "
+ token);
oldEndPoint = tokenToEndPointMap.get(token);
if (oldEndPoint != null && !oldEndPoint.equals(endpoint))
throw new RuntimeException(
"Bootstrap Token collision between "
+ oldEndPoint
+ " and "
+ endpoint
+ " (token "
+ token);
bootstrapTokens.inverse().remove(endpoint);
bootstrapTokens.put(token, endpoint);
} finally {
lock.writeLock().unlock();
}
}
public static void main(String[] args) {
// 注意BiMap的key和value都不能重复，否则inverse之后就不能保证键值一一对应了
BiMap<String, Integer> users = HashBiMap.create();
users.put("bandery", 10);
users.put("ryan", 11);
users.put("liuyan", 12);
// 反转，key变成value，value变成key
System.out.println(users.inverse().get(10));
// 会有异常，key和value都不能重复
// System.out.println(users.inverse().get(11));
// 异常,"bandery"已经存在
// users.put("bandery", 1);
// 如果想插入的话，可以用forcePut强制插入，但在这之前会将相同的K或者V对应
// 的键值对删除
// 这样会把之前的bandery-10删除
users.forcePut("bandery", 13);
// 这样会把之前的ryan-11和liuyan-12都删除
users.forcePut("ryan", 12);
// 当然还有putAll方法
Map<String, Integer> toadd = HashBiMap.create();
toadd.put("aaa", 111111);
toadd.put("bbb", 22222);
users.putAll(toadd);
}
/**
* Store an end-point to host ID mapping. Each ID must be unique, and cannot be changed after the
* fact.
*
* @param hostId
* @param endpoint
*/
public void updateHostId(UUID hostId, InetAddress endpoint) {
assert hostId != null;
assert endpoint != null;
lock.writeLock().lock();
try {
InetAddress storedEp = endpointToHostIdMap.inverse().get(hostId);
if (storedEp != null) {
if (!storedEp.equals(endpoint) && (FailureDetector.instance.isAlive(storedEp))) {
throw new RuntimeException(
String.format(
"Host ID collision between active endpoint %s and %s (id=%s)",
storedEp, endpoint, hostId));
}
}
UUID storedId = endpointToHostIdMap.get(endpoint);
if ((storedId != null) && (!storedId.equals(hostId)))
logger.warn("Changing {}'s host ID from {} to {}", endpoint, storedId, hostId);
endpointToHostIdMap.forcePut(endpoint, hostId);
} finally {
lock.writeLock().unlock();
}
}
@EventHandler(priority = EventPriority.MONITOR)
public void onPlayerMove(PlayerMoveEvent event) {
// BAD BAD BAD test code
// hwh.randomlyRegisterWorld(event.getPlayer().getWorld());
Location to = event.getTo();
int newY = to.getBlockY();
if (newY < HigherWorldsHack.SHARE_HEIGHT) {
Player p = event.getPlayer();
World w = worldStack.get(event.getTo().getWorld());
if (w == null) return;
Location toTeleportTo =
new Location(w, to.getX(), HigherWorldsHack.transformPosUp(newY), to.getZ());
HigherWorldsHack.HWH_LOGGER.log(
Level.WARNING, "Player moved from " + to + " to " + toTeleportTo);
p.teleport(toTeleportTo);
} else if (newY > HigherWorldsHack.WORLD_HEIGHT - HigherWorldsHack.SHARE_HEIGHT) {
Player p = event.getPlayer();
World w = worldStack.inverse().get(event.getTo().getWorld());
if (w == null) return;
Location toTeleportTo =
new Location(w, to.getX(), HigherWorldsHack.transformPosDown(newY), to.getZ());
HigherWorldsHack.HWH_LOGGER.log(
Level.WARNING, "Player moved from " + to + " to " + toTeleportTo);
p.teleport(toTeleportTo);
}
}
@SuppressWarnings({
"rawtypes",
"unchecked"
}) // I can't parameterize this either; it scares the compiler
private static <T extends VariantData<U, T, ?>, U extends CatalogType> T getItemData(
ItemStack item, Class<T> type, BiMap<U, Integer> map) {
int damage = item.getDurability();
if (!map.containsValue(damage)) {
throw new UnsupportedOperationException();
}
// no idea why a typecast is necessary here but excluding it makes javac angry
@SuppressWarnings("RedundantCast")
T data =
(T)
Pore.getGame()
.getRegistry()
.createItemBuilder()
.itemType(MaterialConverter.asItem(item.getType()))
.quantity(1)
.build()
.getOrCreate(type)
.get();
data.type().set(map.inverse().get(damage));
return data;
}
/** Return the end-point for a unique host ID */
public InetAddress getEndpointForHostId(UUID hostId) {
lock.readLock().lock();
try {
return endpointToHostIdMap.inverse().get(hostId);
} finally {
lock.readLock().unlock();
}
}
public String toString() {
StringBuilder sb = new StringBuilder();
lock.readLock().lock();
try {
Set<InetAddress> eps = tokenToEndPointMap.inverse().keySet();
if (!eps.isEmpty()) {
sb.append("Normal Tokens:");
sb.append(System.getProperty("line.separator"));
for (InetAddress ep : eps) {
sb.append(ep);
sb.append(":");
sb.append(tokenToEndPointMap.inverse().get(ep));
sb.append(System.getProperty("line.separator"));
}
}
if (!bootstrapTokens.isEmpty()) {
sb.append("Bootstrapping Tokens:");
sb.append(System.getProperty("line.separator"));
for (Map.Entry<Token, InetAddress> entry : bootstrapTokens.entrySet()) {
sb.append(entry.getValue() + ":" + entry.getKey());
sb.append(System.getProperty("line.separator"));
}
}
if (!leavingEndPoints.isEmpty()) {
sb.append("Leaving EndPoints:");
sb.append(System.getProperty("line.separator"));
for (InetAddress ep : leavingEndPoints) {
sb.append(ep);
sb.append(System.getProperty("line.separator"));
}
}
if (!pendingRanges.isEmpty()) {
sb.append("Pending Ranges:");
sb.append(System.getProperty("line.separator"));
sb.append(printPendingRanges());
}
} finally {
lock.readLock().unlock();
}
return sb.toString();
}
@Test
public void whenCreateBiMap_thenCreated() {
final BiMap<String, Integer> words = HashBiMap.create();
words.put("First", 1);
words.put("Second", 2);
words.put("Third", 3);
assertEquals(2, words.get("Second").intValue());
assertEquals("Third", words.inverse().get(3));
}
public boolean isMember(InetAddress endpoint) {
assert endpoint != null;
lock.readLock().lock();
try {
return tokenToEndPointMap.inverse().containsKey(endpoint);
} finally {
lock.readLock().unlock();
}
}
public Token getToken(InetAddress endpoint) {
assert endpoint != null;
assert isMember(endpoint); // don't want to return nulls
lock.readLock().lock();
try {
return tokenToEndPointMap.inverse().get(endpoint);
} finally {
lock.readLock().unlock();
}
}
public static void main(String[] args) {
BiMap<Integer, String> bm = HashBiMap.create();
bm.put(1, "s1");
bm.put(2, "s2");
System.out.println(bm.get(1));
System.out.println(bm.inverse().get("s1"));
System.out.println(bm.getOrDefault(77, "s0"));
// this throws and exception
// bm.put(3, "s2");
// this forces the new mapping
System.out.println(bm.get(2));
bm.forcePut(3, "s2");
System.out.println(bm.get(2));
System.out.println(bm.get(3));
System.out.println(bm.inverse().get("s2"));
// after this key 2 is gone
bm.forcePut(1, "s2");
System.out.println(bm);
}
public String unmap(String typeName) {
if (classNameBiMap == null || classNameBiMap.isEmpty()) {
return typeName;
}
if (classNameBiMap.containsValue(typeName)) {
return classNameBiMap.inverse().get(typeName);
}
int dollarIdx = typeName.indexOf('$');
String realType = dollarIdx > -1 ? typeName.substring(0, dollarIdx) : typeName;
String subType = dollarIdx > -1 ? typeName.substring(dollarIdx + 1) : "";
String result =
classNameBiMap.containsValue(realType)
? classNameBiMap.inverse().get(realType)
: mcpNameBiMap.containsValue(realType)
? mcpNameBiMap.inverse().get(realType)
: realType;
result = dollarIdx > -1 ? result + "$" + subType : result;
return result;
}
/**
* Renders the page-to-page navigation graph into the file {@code navgraph.gv} in the {@code
* .errai} cache directory.
*/
private void renderNavigationToDotFile(BiMap<String, MetaClass> pages) {
final File dotFile = new File(RebindUtils.getErraiCacheDir().getAbsolutePath(), "navgraph.gv");
PrintWriter out = null;
try {
out = new PrintWriter(dotFile);
out.println("digraph Navigation {");
final MetaClass transitionToType = MetaClassFactory.get(TransitionTo.class);
final MetaClass transitionAnchorType = MetaClassFactory.get(TransitionAnchor.class);
final MetaClass transitionAnchorFactoryType =
MetaClassFactory.get(TransitionAnchorFactory.class);
for (Map.Entry<String, MetaClass> entry : pages.entrySet()) {
String pageName = entry.getKey();
MetaClass pageClass = entry.getValue();
// entry for the node itself
out.print("\"" + pageName + "\"");
Page pageAnnotation = pageClass.getAnnotation(Page.class);
List<Class<? extends PageRole>> roles = Arrays.asList(pageAnnotation.role());
if (roles.contains(DefaultPage.class)) {
out.print(" [penwidth=3]");
}
out.println();
for (MetaField field : getAllFields(pageClass)) {
if (field.getType().getErased().equals(transitionToType)
|| field.getType().getErased().equals(transitionAnchorType)
|| field.getType().getErased().equals(transitionAnchorFactoryType)) {
MetaType targetPageType = field.getType().getParameterizedType().getTypeParameters()[0];
String targetPageName = pages.inverse().get(targetPageType);
// entry for the link between nodes
out.println(
"\""
+ pageName
+ "\" -> \""
+ targetPageName
+ "\" [label=\""
+ field.getName()
+ "\"]");
}
}
}
out.println("}");
} catch (FileNotFoundException e) {
throw new RuntimeException(e);
} finally {
if (out != null) {
out.close();
}
}
}
public String toFieldName(String cls, String attributeName) {
if (referenceFields.get(cls) == null) {
BiMap<String, String> bimap = HashBiMap.create();
referenceFields.put(cls, bimap);
}
BiMap<String, String> map = referenceFields.get(cls);
String key = getKey(cls, attributeName);
if (map.get(key) != null) return map.get(key);
else {
String optimalFieldName = Util.lowerFirst(Util.toJavaIdentifier(attributeName));
String fieldName = optimalFieldName;
if (map.inverse().get(fieldName) != null) {
int i = 1;
while (map.inverse().get(fieldName + i) != null) {
i++;
}
fieldName = fieldName + i;
}
map.put(key, fieldName);
return fieldName;
}
}
public String toTableName(String schema, String className) {
if (referencedTables.get(schema) == null) {
BiMap<String, String> bimap = HashBiMap.create();
referencedTables.put(schema, bimap);
}
BiMap<String, String> map = referencedTables.get(schema);
String key = getKey(schema, className);
if (map.get(key) != null) return map.get(key);
else {
String optimalName = Util.lowerFirst(Util.toColumnName(className));
String name = optimalName;
if (map.inverse().get(name) != null || isReservedWord(name)) {
int i = 1;
while (map.inverse().get(name + "_" + i) != null) {
i++;
}
name = name + "_" + i;
}
map.put(key, name);
return name;
}
}
public String toColumnName(String cls, String attributeName) {
if (referencedColumns.get(cls) == null) {
BiMap<String, String> bimap = HashBiMap.create();
referencedColumns.put(cls, bimap);
}
BiMap<String, String> map = referencedColumns.get(cls);
String key = getKey(cls, attributeName);
if (map.get(key) != null) return map.get(key);
else {
String optimalColumnName = Util.lowerFirst(Util.toColumnName(attributeName));
String columnName = optimalColumnName;
if (map.inverse().get(columnName) != null || isReservedWord(columnName)) {
int i = 1;
while (map.inverse().get(columnName + "_" + i) != null) {
i++;
}
columnName = columnName + "_" + i;
}
map.put(key, columnName);
return columnName;
}
}
private void dumpRegion(Region r, Appendable out) throws IOException {
if (regionMap.containsValue(r)) {
out.append(regionMap.inverse().get(r));
} else if (r.isFalse()) {
out.append("FALSE");
} else if (r.isTrue()) {
out.append("TRUE");
} else {
Triple<Region, Region, Region> triple = delegate.getIfThenElse(r);
String predName = regionMap.inverse().get(triple.getFirst());
Region trueBranch = triple.getSecond();
Region falseBranch = triple.getThird();
if (trueBranch.isFalse()) {
assert !falseBranch.isFalse();
// only falseBranch is present
out.append("!").append(predName).append(" & ");
dumpRegion(falseBranch, out);
} else if (falseBranch.isFalse()) {
// only trueBranch is present
out.append(predName).append(" & ");
dumpRegion(trueBranch, out);
} else {
// both branches present
out.append("((").append(predName).append(" & ");
dumpRegion(trueBranch, out);
out.append(") | (").append("!").append(predName).append(" & ");
dumpRegion(falseBranch, out);
out.append("))");
}
}
}
public String getAntlrRuleName(AbstractRule rule, int paramConfig) {
String result = antlrNameToRule.inverse().get(rule);
int idx;
if (result.startsWith("super")) {
idx = 5;
} else if (result.startsWith("rule")) {
idx = 4;
} else {
throw new IllegalArgumentException(result);
}
if (paramConfig != 0) {
result = (idx == 4 ? "norm" : "normSuper") + paramConfig + "_" + result.substring(idx);
}
return result;
}
@Test
public void testBiMap() {
BiMap<String, String> dataMap = HashBiMap.create();
dataMap.put("number", "dea123");
dataMap.put("dataEntered", "10/10/2012");
dataMap.put("keyCode", "code00001");
dataMap.put("isActive", "true");
// key and value are both unique.
dataMap.forcePut("isMember", "true");
Assert.assertEquals("dea123", dataMap.get("number"));
BiMap<String, String> inverseMap = dataMap.inverse();
Assert.assertEquals("keyCode", inverseMap.get("code00001"));
Assert.assertEquals("isMember", inverseMap.get("true"));
}
/**
* Adds an expression with an alias name and returns a reference name. It specifies the alias as
* an reference name.
*/
public String addExpr(Expr expr, String alias) throws PlanningException {
// if this name already exists, just returns the name.
if (nameToIdMap.containsKey(alias)) {
return alias;
}
// if the name is first
int refId;
if (idToExprBiMap.inverse().containsKey(expr)) {
refId = idToExprBiMap.inverse().get(expr);
} else {
refId = getNextId();
idToExprBiMap.put(refId, expr);
}
nameToIdMap.put(alias, refId);
evaluationStateMap.put(refId, false);
// add the entry to idToNames map
TUtil.putToNestedList(idToNamesMap, refId, alias);
return alias;
}
public String getName(final UUID uuid) {
if (uuid == null) {
return null;
}
// check online
final PlotPlayer player = getPlayer(uuid);
if (player != null) {
return player.getName();
}
// check cache
final StringWrapper name = uuidMap.inverse().get(uuid);
if (name != null) {
return name.value;
}
return null;
}
public String toFieldName(String cls, String viewedClass, BigInteger rNum) {
if (referenceFields.get(cls) == null) {
BiMap<String, String> bimap = HashBiMap.create();
referenceFields.put(cls, bimap);
}
BiMap<String, String> map = referenceFields.get(cls);
String key = getKey(viewedClass, rNum);
if (map.get(key) != null) return map.get(key);
else {
String optimalFieldName = Util.lowerFirst(Util.toJavaIdentifier(viewedClass)) + "_R" + rNum;
String currentKey = map.inverse().get(optimalFieldName);
String fieldName;
if (currentKey == null) fieldName = optimalFieldName;
else fieldName = optimalFieldName + "_R" + rNum;
map.put(key, fieldName);
return fieldName;
}
}
