ModuleShardBackendResolver.java 文件源码

Long resolveShardForPath(final YangInstanceIdentifier path) {
    final String shardName = actorContext.getShardStrategyFactory().getStrategy(path).findShard(path);
    Long cookie = shards.get(shardName);
    if (cookie == null) {
        synchronized (this) {
            cookie = shards.get(shardName);
            if (cookie == null) {
                cookie = nextShard++;

                Builder<String, Long> builder = ImmutableBiMap.builder();
                builder.putAll(shards);
                builder.put(shardName, cookie);
                shards = builder.build();
            }
        }
    }

    return cookie;
}