@Test
public void multi() {
Pipeline p = jedis.pipelined();
p.multi();
Response<Long> r1 = p.hincrBy("a", "f1", -1);
Response<Long> r2 = p.hincrBy("a", "f1", -2);
Response<List<Object>> r3 = p.exec();
List<Object> result = p.syncAndReturnAll();
assertEquals(new Long(-1), r1.get());
assertEquals(new Long(-3), r2.get());
assertEquals(4, result.size());
assertEquals("OK", result.get(0));
assertEquals("QUEUED", result.get(1));
assertEquals("QUEUED", result.get(2));
// 4th result is a list with the results from the multi
@SuppressWarnings("unchecked")
List<Object> multiResult = (List<Object>) result.get(3);
assertEquals(new Long(-1), multiResult.get(0));
assertEquals(new Long(-3), multiResult.get(1));
assertEquals(new Long(-1), r3.get().get(0));
assertEquals(new Long(-3), r3.get().get(1));
}
@Test
public void pipeline() throws UnsupportedEncodingException {
Pipeline p = jedis.pipelined();
p.set("foo", "bar");
p.get("foo");
List<Object> results = p.syncAndReturnAll();
assertEquals(2, results.size());
assertEquals("OK", results.get(0));
assertEquals("bar", results.get(1));
}
/** Execute with a call back action with result in pipeline. */
public List<Object> execute(PipelineAction pipelineAction) throws JedisException {
Jedis jedis = null;
boolean broken = false;
try {
jedis = jedisPool.getResource();
Pipeline pipeline = jedis.pipelined();
pipelineAction.action(pipeline);
return pipeline.syncAndReturnAll();
} catch (JedisException e) {
broken = handleJedisException(e);
throw e;
} finally {
closeResource(jedis, broken);
}
}
