Example usage for org.springframework.data.redis.connection RedisConnection ping

Introduction

In this page you can find the example usage for org.springframework.data.redis.connection RedisConnection ping.

Prototype

@Nullable
String ping();

Source Link

Document

Test connection.

Usage

From source file:com.zxy.commons.cache.RedisUtils.java

/**
 * Test connection./*from w ww .  jav  a 2  s . co m*/
 * <p>
 * See http://redis.io/commands/ping
 * 
 * @return Server response message - usually {@literal PONG}.
 */
public static String ping() {
    return redisTemplate.execute(new RedisCallback<String>() {
        @Override
        public String doInRedis(RedisConnection redis) throws DataAccessException {
            return redis.ping();
        }
    });
}

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From source file:com.zxy.commons.cache.RedisHelper.java

/**
 * Test connection./*from  w ww.j a v a 2 s. com*/
 * <p>
 * See http://redis.io/commands/ping
 * 
 * @return Server response message - usually {@literal PONG}.
 */
public String ping() {
    return redisTemplate.execute(new RedisCallback<String>() {
        @Override
        public String doInRedis(RedisConnection redis) throws DataAccessException {
            return redis.ping();
        }
    });
}

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From source file:org.springframework.data.redis.connection.jredis.JRedisConnectionIntegrationTests.java

@Test
public void testConnectionStaysOpenWhenPooled() {
    JredisConnectionFactory factory2 = new JredisConnectionFactory(
            new JredisPool(SettingsUtils.getHost(), SettingsUtils.getPort()));
    RedisConnection conn2 = factory2.getConnection();
    conn2.close();//  ww w .  j a  va 2 s. c  om
    conn2.ping();
}

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From source file:org.springframework.data.redis.connection.jredis.JRedisConnectionIntegrationTests.java

@Test
public void testConnectionNotReturnedOnException() {
    GenericObjectPoolConfig config = new GenericObjectPoolConfig();
    config.setMaxTotal(1);/*from   w w w .  j a v  a2s.  co m*/
    config.setMaxWaitMillis(1);
    JredisConnectionFactory factory2 = new JredisConnectionFactory(
            new JredisPool(SettingsUtils.getHost(), SettingsUtils.getPort(), config));
    RedisConnection conn2 = factory2.getConnection();
    ((JRedis) conn2.getNativeConnection()).quit();
    try {
        conn2.ping();
        fail("Expected RedisConnectionFailureException trying to use a closed connection");
    } catch (RedisConnectionFailureException e) {
    }
    conn2.close();
    // Verify we get a new connection from the pool and not the broken one
    RedisConnection conn3 = factory2.getConnection();
    conn3.ping();
}

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From source file:org.springframework.data.redis.connection.lettuce.LettuceConnectionFactoryTests.java

@Ignore("Redis must have requirepass set to run this test")
@Test//from   w w w. j  ava2s.co  m
public void testConnectWithPassword() {
    factory.setPassword("foo");
    factory.afterPropertiesSet();
    RedisConnection conn = factory.getConnection();
    // Test shared and dedicated conns
    conn.ping();
    conn.bLPop(1, "key".getBytes());
    conn.close();
}

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From source file:org.springframework.data.redis.connection.lettuce.LettuceConnectionFactoryTests.java

@Test // DATAREDIS-687
public void connectsThroughRedisSocket() {

    assumeTrue(EpollProvider.isAvailable() || KqueueProvider.isAvailable());
    assumeTrue(new File(SettingsUtils.getSocket()).exists());

    LettuceClientConfiguration configuration = LettuceTestClientConfiguration.create();

    LettuceConnectionFactory factory = new LettuceConnectionFactory(SettingsUtils.socketConfiguration(),
            configuration);/*from   ww  w . java 2 s  .  c om*/
    factory.setShareNativeConnection(false);
    factory.afterPropertiesSet();

    RedisConnection connection = factory.getConnection();
    assertThat(connection.ping(), is(equalTo("PONG")));

    connection.close();
    factory.destroy();
}

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From source file:org.springframework.data.redis.connection.lettuce.LettuceConnectionFactoryTests.java

@Test // DATAREDIS-762, DATAREDIS-869
public void factoryUsesElastiCacheMasterReplicaConnections() {

    assumeThat(String.format("No slaves connected to %s:%s.", SettingsUtils.getHost(), SettingsUtils.getPort()),
            connection.info("replication").getProperty("connected_slaves", "0").compareTo("0") > 0, is(true));

    LettuceClientConfiguration configuration = LettuceTestClientConfiguration.builder().readFrom(ReadFrom.SLAVE)
            .build();/*  w  w  w  . j  a va2  s.  com*/

    RedisStaticMasterReplicaConfiguration elastiCache = new RedisStaticMasterReplicaConfiguration(
            SettingsUtils.getHost()).node(SettingsUtils.getHost(), SettingsUtils.getPort() + 1);

    LettuceConnectionFactory factory = new LettuceConnectionFactory(elastiCache, configuration);
    factory.afterPropertiesSet();

    RedisConnection connection = factory.getConnection();

    try {
        assertThat(connection.ping(), is(equalTo("PONG")));
        assertThat(connection.info().getProperty("role"), is(equalTo("slave")));
    } finally {
        connection.close();
    }

    factory.destroy();
}

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From source file:org.springframework.data.redis.connection.lettuce.LettuceConnectionFactoryTests.java

@Test // DATAREDIS-762, DATAREDIS-869
public void factoryUsesElastiCacheMasterWithoutMaster() {

    assumeThat(//from  ww w .j av a 2s  .com
            String.format("No replicas connected to %s:%s.", SettingsUtils.getHost(), SettingsUtils.getPort()),
            connection.info("replication").getProperty("connected_slaves", "0").compareTo("0") > 0, is(true));

    LettuceClientConfiguration configuration = LettuceTestClientConfiguration.builder()
            .readFrom(ReadFrom.MASTER).build();

    RedisStaticMasterReplicaConfiguration elastiCache = new RedisStaticMasterReplicaConfiguration(
            SettingsUtils.getHost(), SettingsUtils.getPort() + 1);

    LettuceConnectionFactory factory = new LettuceConnectionFactory(elastiCache, configuration);
    factory.afterPropertiesSet();

    RedisConnection connection = factory.getConnection();

    try {
        connection.ping();
        fail("Expected RedisException: Master is currently unknown");
    } catch (RedisSystemException e) {

        assertThat(e.getCause(), is(instanceOf(RedisException.class)));
        assertThat(e.getCause().getMessage(), containsString("Master is currently unknown"));
    } finally {
        connection.close();
    }

    factory.destroy();
}

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From source file:org.springframework.data.redis.connection.lettuce.LettuceConnectionFactoryTests.java

@Test // DATAREDIS-580, DATAREDIS-869
public void factoryUsesMasterReplicaConnections() {

    assumeThat(//w  w  w  . ja v  a2s.c  o  m
            String.format("No replicas connected to %s:%s.", SettingsUtils.getHost(), SettingsUtils.getPort()),
            connection.info("replication").getProperty("connected_slaves", "0").compareTo("0") > 0, is(true));

    LettuceClientConfiguration configuration = LettuceTestClientConfiguration.builder().readFrom(ReadFrom.SLAVE)
            .build();

    LettuceConnectionFactory factory = new LettuceConnectionFactory(SettingsUtils.standaloneConfiguration(),
            configuration);
    factory.afterPropertiesSet();

    RedisConnection connection = factory.getConnection();

    try {
        assertThat(connection.ping(), is(equalTo("PONG")));
        assertThat(connection.info().getProperty("role"), is(equalTo("slave")));
    } finally {
        connection.close();
    }

    factory.destroy();
}

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