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Generate shard nodes by shard position. Shards are now host/port independent

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Dario Guzik
2011-03-02 17:53:27 -03:00
parent 2785604639
commit 3d1603b59b
1 changed files with 4 additions and 3 deletions
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7
src/main/java/redis/clients/util/Sharded.java
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@@ -56,7 +56,7 @@ public class Sharded<R, S extends ShardInfo<R>> {
for (int i = 0; i != shards.size(); ++i) { for (int i = 0; i != shards.size(); ++i) {
final S shardInfo = shards.get(i); final S shardInfo = shards.get(i);
for (int n = 0; n < 160 * shardInfo.getWeight(); n++) { for (int n = 0; n < 160 * shardInfo.getWeight(); n++) {
nodes.put(this.algo.hash(shardInfo.toString() + n), shardInfo); nodes.put(this.algo.hash("SHARD-" + i + "-NODE-" + n), shardInfo);
} }
resources.put(shardInfo, shardInfo.createResource()); resources.put(shardInfo, shardInfo.createResource());
} }
@@ -85,7 +85,7 @@ public class Sharded<R, S extends ShardInfo<R>> {
/** /**
* A key tag is a special pattern inside a key that, if preset, is the only * A key tag is a special pattern inside a key that, if preset, is the only
* part of the key hashed in order to select the server for this key. * part of the key hashed in order to select the server for this key.
* *
* @see http://code.google.com/p/redis/wiki/FAQ#I * @see http://code.google.com/p/redis/wiki/FAQ#I
* 'm_using_some_form_of_key_hashing_for_partitioning,_but_wh * 'm_using_some_form_of_key_hashing_for_partitioning,_but_wh
* @param key * @param key
@@ -107,4 +107,5 @@ public class Sharded<R, S extends ShardInfo<R>> {
public Collection<R> getAllShards() { public Collection<R> getAllShards() {
return Collections.unmodifiableCollection(resources.values()); return Collections.unmodifiableCollection(resources.values());
} }
} }