Add slot based connection which routes requests according to key slot

This commit is contained in:
Marcos Nils
2013-12-28 00:59:35 -03:00
parent 9f767a0848
commit b2d22e2060
6 changed files with 186 additions and 136 deletions

View File

@@ -89,7 +89,6 @@ public class JedisClusterTest extends Assert {
@Test(expected=JedisMovedDataException.class)
public void testThrowMovedException() {
node1.set("foo", "bar");
node2.get("foo");
}
@Test(expected=JedisAskDataException.class)
@@ -108,6 +107,17 @@ public class JedisClusterTest extends Assert {
assertEquals(jc.getClusterNodes().size(), 3);
}
@Test
public void testCalculateConnectionPerSlot() {
Set<HostAndPort> jedisClusterNode = new HashSet<HostAndPort>();
jedisClusterNode.add(new HostAndPort("127.0.0.1", 7379));
JedisCluster jc = new JedisCluster(jedisClusterNode);
jc.set("foo", "bar");
jc.set("test", "test");
assertEquals("bar",node3.get("foo"));
assertEquals("test",node2.get("test"));
}
private String getNodeId(String infoOutput) {
for (String infoLine : infoOutput.split("\n")) {

View File

@@ -4,11 +4,8 @@ public class JedisClusterCRC16 {
public final static int polynomial = 0x1021; // Represents x^16+x^12+x^5+1
static int crc;
public JedisClusterCRC16(){
crc = 0x0000;
}
public static int getSlot(String key) {
crc = 0x0000;
for (byte b : key.getBytes()) {
for (int i = 0; i < 8; i++) {
boolean bit = ((b >> (7-i) & 1) == 1);
@@ -21,9 +18,4 @@ public class JedisClusterCRC16 {
return crc &= 0xffff % 16384;
}
public static void main(String[] args) {
System.out.println(getSlot("test"));
}
}