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Support LPOS command via Jedis.

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This commit introduces support for the LPOS command when using the Jedis Redis driver.

Closes #1957.
Original pull request: #1962.
This commit is contained in:
Christoph Strobl
2021-02-10 13:43:12 +01:00
committed by Mark Paluch
parent 7e7197b087
commit 19eb0930cd
4 changed files with 98 additions and 15 deletions
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20
src/main/java/org/springframework/data/redis/connection/jedis/JedisClusterListCommands.java
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@@ -15,12 +15,13 @@
*/
package org.springframework.data.redis.connection.jedis;
import redis.clients.jedis.params.LPosParams;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import org.springframework.dao.DataAccessException;
import org.springframework.dao.InvalidDataAccessApiUsageException;
import org.springframework.data.redis.connection.ClusterSlotHashUtil;
import org.springframework.data.redis.connection.RedisListCommands;
import org.springframework.data.redis.connection.jedis.JedisClusterConnection.JedisMultiKeyClusterCommandCallback;
@@ -68,7 +69,22 @@ class JedisClusterListCommands implements RedisListCommands {
Assert.notNull(key, "Key must not be null!");
Assert.notNull(element, "Element must not be null!");
throw new InvalidDataAccessApiUsageException("LPOS is not supported by jedis.");
LPosParams params = new LPosParams();
if (rank != null) {
params.rank(rank);
}
try {
if (count != null) {
return connection.getCluster().lpos(key, element, params, count);
}
Long value = connection.getCluster().lpos(key, element, params);
return value != null ? Collections.singletonList(value) : Collections.emptyList();
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*

13
src/main/java/org/springframework/data/redis/connection/jedis/JedisListCommands.java
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@@ -19,12 +19,14 @@ import redis.clients.jedis.BinaryJedis;
import redis.clients.jedis.MultiKeyPipelineBase;
import redis.clients.jedis.Protocol;
import java.util.Collections;
import java.util.List;
import org.springframework.dao.InvalidDataAccessApiUsageException;
import org.springframework.data.redis.connection.RedisListCommands;
import org.springframework.lang.Nullable;
import org.springframework.util.Assert;
import redis.clients.jedis.params.LPosParams;
/**
* @author Christoph Strobl
@@ -61,7 +63,16 @@ class JedisListCommands implements RedisListCommands {
Assert.notNull(key, "Key must not be null!");
Assert.notNull(element, "Element must not be null!");
throw new InvalidDataAccessApiUsageException("LPOS is not supported by jedis.");
LPosParams params = new LPosParams();
if(rank != null) {
params.rank(rank);
}
if(count != null) {
return connection.invoke().just(BinaryJedis::lpos, MultiKeyPipelineBase::lpos, key, element, params, count);
}
return connection.invoke().from(BinaryJedis::lpos, MultiKeyPipelineBase::lpos, key, element, params).get(Collections::singletonList);
}
/*