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;
}
}
}
}
});
}
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 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());
}