From 3d1546131a961e1cdbe34865a6aa9c2f481b88f9 Mon Sep 17 00:00:00 2001
From: Jonathan Leibiusky <jonathan.leibiusky@mercadolibre.com>
Date: Wed, 15 Sep 2010 17:17:24 -0300
Subject: [PATCH] Implemented linsert

---
 src/main/java/redis/clients/jedis/Client.java |  9 ++++++++
 src/main/java/redis/clients/jedis/Jedis.java  |  7 ++++++
 .../redis/clients/jedis/ShardedJedis.java     |  8 +++++++
 .../tests/commands/ListCommandsTest.java      | 23 +++++++++++++++++++
 4 files changed, 47 insertions(+)

diff --git a/src/main/java/redis/clients/jedis/Client.java b/src/main/java/redis/clients/jedis/Client.java
index 58a08f8..d7c8ef4 100644
--- a/src/main/java/redis/clients/jedis/Client.java
+++ b/src/main/java/redis/clients/jedis/Client.java
@@ -5,6 +5,10 @@ import java.util.List;
 import java.util.Map;
 
 public class Client extends Connection {
+    public enum LIST_POSITION {
+	BEFORE, AFTER
+    }
+
     private boolean isInMulti;
 
     public boolean isInMulti() {
@@ -587,4 +591,9 @@ public class Client extends Connection {
     public void echo(String string) {
 	sendCommand("ECHO", string);
     }
+
+    public void linsert(String key, LIST_POSITION where, String pivot,
+	    String value) {
+	sendCommand("LINSERT", key, where.toString(), pivot, value);
+    }
 }
\ No newline at end of file
diff --git a/src/main/java/redis/clients/jedis/Jedis.java b/src/main/java/redis/clients/jedis/Jedis.java
index 36473ec..3bd097d 100644
--- a/src/main/java/redis/clients/jedis/Jedis.java
+++ b/src/main/java/redis/clients/jedis/Jedis.java
@@ -10,6 +10,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
+import redis.clients.jedis.Client.LIST_POSITION;
 import redis.clients.util.ShardInfo;
 
 public class Jedis {
@@ -831,4 +832,10 @@ public class Jedis {
 	client.echo(string);
 	return client.getBulkReply();
     }
+
+    public Integer linsert(String key, LIST_POSITION where, String pivot,
+	    String value) {
+	client.linsert(key, where, pivot, value);
+	return client.getIntegerReply();
+    }
 }
\ No newline at end of file
diff --git a/src/main/java/redis/clients/jedis/ShardedJedis.java b/src/main/java/redis/clients/jedis/ShardedJedis.java
index 2253ac5..c2274f6 100644
--- a/src/main/java/redis/clients/jedis/ShardedJedis.java
+++ b/src/main/java/redis/clients/jedis/ShardedJedis.java
@@ -5,6 +5,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
+import redis.clients.jedis.Client.LIST_POSITION;
 import redis.clients.util.Hashing;
 import redis.clients.util.ShardInfo;
 import redis.clients.util.Sharded;
@@ -354,4 +355,11 @@ public class ShardedJedis extends Sharded<Jedis> {
     protected Jedis create(ShardInfo shard) {
 	return new Jedis(shard);
     }
+
+    public Integer linsert(String key, LIST_POSITION where, String pivot,
+	    String value) {
+	Jedis j = getShard(key);
+	return j.linsert(key, where, pivot, value);
+    }
+
 }
\ No newline at end of file
diff --git a/src/test/java/redis/clients/jedis/tests/commands/ListCommandsTest.java b/src/test/java/redis/clients/jedis/tests/commands/ListCommandsTest.java
index 44b2285..b861a59 100644
--- a/src/test/java/redis/clients/jedis/tests/commands/ListCommandsTest.java
+++ b/src/test/java/redis/clients/jedis/tests/commands/ListCommandsTest.java
@@ -5,6 +5,7 @@ import java.util.List;
 
 import org.junit.Test;
 
+import redis.clients.jedis.Client;
 import redis.clients.jedis.Jedis;
 import redis.clients.jedis.JedisException;
 
@@ -270,4 +271,26 @@ public class ListCommandsTest extends JedisCommandTestBase {
 	status = jedis.rpushx("foo", "b");
 	assertEquals(2, status);
     }
+
+    @Test
+    public void linsert() {
+	int status = jedis.linsert("foo", Client.LIST_POSITION.BEFORE, "bar",
+		"car");
+	assertEquals(0, status);
+
+	jedis.lpush("foo", "a");
+	status = jedis.linsert("foo", Client.LIST_POSITION.AFTER, "a", "b");
+	assertEquals(2, status);
+
+	List<String> actual = jedis.lrange("foo", 0, 100);
+	List<String> expected = new ArrayList<String>();
+	expected.add("a");
+	expected.add("b");
+
+	assertEquals(expected, actual);
+
+	status = jedis
+		.linsert("foo", Client.LIST_POSITION.BEFORE, "bar", "car");
+	assertEquals(-1, status);
+    }
 }
\ No newline at end of file