@Override
public <V> Map<String, V> get(String... keys) {
if (keys.length == 0) {
return Collections.emptyMap();
}
RedisCommand<Map<Object, Object>> command =
new RedisCommand<Map<Object, Object>>(
"MGET", new MapGetAllDecoder(Arrays.<Object>asList(keys), 0), ValueType.OBJECTS);
Future<Map<String, V>> future =
commandExecutor.readAsync(keys[0], new DelegateDecoderCodec(codec), command, keys);
return commandExecutor.get(future);
}
@Override
public <V> List<RBucket<V>> find(String pattern) {
Collection<String> keys =
commandExecutor.get(
commandExecutor.<List<String>, String>readAllAsync(RedisCommands.KEYS, pattern));
List<RBucket<V>> buckets = new ArrayList<RBucket<V>>(keys.size());
for (String key : keys) {
if (key == null) {
continue;
}
buckets.add(redisson.<V>getBucket(key, codec));
}
return buckets;
}
private void remove(final int index) {
commandExecutor.write(
getName(),
codec,
new SyncOperation<V>() {
@Override
public V execute(Codec codec, RedisConnection conn) {
if (index == 0) {
return conn.sync(codec, RedisCommands.LPOP, getName());
}
while (true) {
conn.sync(RedisCommands.WATCH, getName());
List<Object> tail =
conn.sync(codec, RedisCommands.LRANGE, getName(), index + 1, size());
conn.sync(RedisCommands.MULTI);
conn.sync(codec, RedisCommands.LTRIM, getName(), 0, index - 1);
if (tail.isEmpty()) {
if (((List<Object>) conn.sync(codec, RedisCommands.EXEC)).size() == 1) {
return null;
}
} else {
tail.add(0, getName());
conn.sync(codec, RedisCommands.RPUSH, tail.toArray());
if (((List<Object>) conn.sync(codec, RedisCommands.EXEC)).size() == 2) {
return null;
}
}
}
}
});
}
@Override
public V last() {
V res = commandExecutor.read(getName(), codec, RedisCommands.LINDEX, getName(), -1);
if (res == null) {
throw new NoSuchElementException();
}
return res;
}
public RedissonSortedSet(Codec codec, CommandExecutor commandExecutor, String name) {
super(codec, commandExecutor, name);
loadComparator();
commandExecutor.write(
getName(), StringCodec.INSTANCE, RedisCommands.SETNX, getCurrentVersionKey(), 0L);
}
@Override
public boolean remove(final Object value) {
return commandExecutor.write(
getName(),
codec,
new SyncOperation<Boolean>() {
@Override
public Boolean execute(Codec codec, RedisConnection conn) {
return remove(value, codec, conn);
}
});
}
@Override
public boolean contains(final Object o) {
return commandExecutor.read(
getName(),
codec,
new SyncOperation<Boolean>() {
@Override
public Boolean execute(Codec codec, RedisConnection conn) {
return binarySearch((V) o, codec, conn).getIndex() >= 0;
}
});
}
private void loadComparator() {
commandExecutor.read(
getName(),
codec,
new SyncOperation<Void>() {
@Override
public Void execute(Codec codec, RedisConnection conn) {
loadComparator(conn);
return null;
}
});
}
@Override
public boolean trySet(Map<String, ?> buckets) {
if (buckets.isEmpty()) {
return false;
}
List<Object> params = new ArrayList<Object>(buckets.size());
for (Entry<String, ?> entry : buckets.entrySet()) {
params.add(entry.getKey());
try {
params.add(codec.getValueEncoder().encode(entry.getValue()));
} catch (IOException e) {
throw new IllegalArgumentException(e);
}
}
return commandExecutor.write(params.get(0).toString(), RedisCommands.MSETNX, params.toArray());
}
@Override
public boolean trySetComparator(Comparator<? super V> comparator) {
String className = comparator.getClass().getName();
final String comparatorSign = className + ":" + calcClassSign(className);
Boolean res =
commandExecutor.evalWrite(
getName(),
StringCodec.INSTANCE,
RedisCommands.EVAL_BOOLEAN,
"if redis.call('llen', KEYS[1]) == 0 then redis.call('set', KEYS[2], ARGV[1]); return true; "
+ "else return false; end",
Arrays.<Object>asList(getName(), getComparatorKeyName()),
comparatorSign);
if (res) {
this.comparator = comparator;
}
return res;
}
@Override
public Future<Boolean> removeAsync(final V value) {
EventLoopGroup group = commandExecutor.getConnectionManager().getGroup();
final Promise<Boolean> promise = group.next().newPromise();
group.execute(
new Runnable() {
@Override
public void run() {
try {
boolean result = remove(value);
promise.setSuccess(result);
} catch (Exception e) {
promise.setFailure(e);
}
}
});
return promise;
}
@Override
public <T> T[] toArray(T[] a) {
List<V> res = commandExecutor.read(getName(), codec, RedisCommands.LRANGE, getName(), 0, -1);
return res.toArray(a);
}
private V get(final int index) {
return commandExecutor.read(getName(), codec, RedisCommands.LINDEX, getName(), index);
}
@Override
public int size() {
return commandExecutor.read(getName(), codec, RedisCommands.LLEN_INT, getName());
}
public RedissonBuckets(Redisson redisson, CommandExecutor commandExecutor) {
this(redisson, commandExecutor.getConnectionManager().getCodec(), commandExecutor);
}