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org.springframework.data.redis.connection.jedis.JedisClusterServerCommands Maven / Gradle / Ivy
/*
* Copyright 2017-2018 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.data.redis.connection.jedis;
import lombok.NonNull;
import lombok.RequiredArgsConstructor;
import redis.clients.jedis.BinaryJedis;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Map.Entry;
import java.util.Properties;
import org.springframework.dao.InvalidDataAccessApiUsageException;
import org.springframework.data.redis.connection.ClusterCommandExecutor.MultiNodeResult;
import org.springframework.data.redis.connection.ClusterCommandExecutor.NodeResult;
import org.springframework.data.redis.connection.RedisClusterNode;
import org.springframework.data.redis.connection.RedisClusterServerCommands;
import org.springframework.data.redis.connection.RedisNode;
import org.springframework.data.redis.connection.convert.Converters;
import org.springframework.data.redis.connection.jedis.JedisClusterConnection.JedisClusterCommandCallback;
import org.springframework.data.redis.core.types.RedisClientInfo;
import org.springframework.lang.Nullable;
import org.springframework.util.Assert;
import org.springframework.util.CollectionUtils;
/**
* @author Mark Paluch
* @since 2.0
*/
@RequiredArgsConstructor
class JedisClusterServerCommands implements RedisClusterServerCommands {
private final @NonNull JedisClusterConnection connection;
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisClusterServerCommands#bgReWriteAof(org.springframework.data.redis.connection.RedisClusterNode)
*/
@Override
public void bgReWriteAof(RedisClusterNode node) {
executeCommandOnSingleNode(BinaryJedis::bgrewriteaof, node);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisServerCommands#bgReWriteAof()
*/
@Override
public void bgReWriteAof() {
connection.getClusterCommandExecutor()
.executeCommandOnAllNodes((JedisClusterCommandCallback) BinaryJedis::bgrewriteaof);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisServerCommands#bgSave()
*/
@Override
public void bgSave() {
connection.getClusterCommandExecutor()
.executeCommandOnAllNodes((JedisClusterCommandCallback) BinaryJedis::bgsave);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisClusterServerCommands#bgSave(org.springframework.data.redis.connection.RedisClusterNode)
*/
@Override
public void bgSave(RedisClusterNode node) {
executeCommandOnSingleNode(BinaryJedis::bgsave, node);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisServerCommands#lastSave()
*/
@Override
public Long lastSave() {
List result = new ArrayList<>(executeCommandOnAllNodes(BinaryJedis::lastsave).resultsAsList());
if (CollectionUtils.isEmpty(result)) {
return null;
}
Collections.sort(result, Collections.reverseOrder());
return result.get(0);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisClusterServerCommands#lastSave(org.springframework.data.redis.connection.RedisClusterNode)
*/
@Override
public Long lastSave(RedisClusterNode node) {
return executeCommandOnSingleNode(BinaryJedis::lastsave, node).getValue();
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisServerCommands#save()
*/
@Override
public void save() {
executeCommandOnAllNodes(BinaryJedis::save);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisClusterServerCommands#save(org.springframework.data.redis.connection.RedisClusterNode)
*/
@Override
public void save(RedisClusterNode node) {
executeCommandOnSingleNode(BinaryJedis::save, node);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisServerCommands#dbSize()
*/
@Override
public Long dbSize() {
Collection dbSizes = executeCommandOnAllNodes(BinaryJedis::dbSize).resultsAsList();
if (CollectionUtils.isEmpty(dbSizes)) {
return 0L;
}
Long size = 0L;
for (Long value : dbSizes) {
size += value;
}
return size;
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisClusterServerCommands#dbSize(org.springframework.data.redis.connection.RedisClusterNode)
*/
@Override
public Long dbSize(RedisClusterNode node) {
return executeCommandOnSingleNode(BinaryJedis::dbSize, node).getValue();
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisServerCommands#flushDb()
*/
@Override
public void flushDb() {
executeCommandOnAllNodes(BinaryJedis::flushDB);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisClusterServerCommands#flushDb(org.springframework.data.redis.connection.RedisClusterNode)
*/
@Override
public void flushDb(RedisClusterNode node) {
executeCommandOnSingleNode(BinaryJedis::flushDB, node);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisServerCommands#flushAll()
*/
@Override
public void flushAll() {
connection.getClusterCommandExecutor()
.executeCommandOnAllNodes((JedisClusterCommandCallback) BinaryJedis::flushAll);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisClusterServerCommands#flushAll(org.springframework.data.redis.connection.RedisClusterNode)
*/
@Override
public void flushAll(RedisClusterNode node) {
executeCommandOnSingleNode(BinaryJedis::flushAll, node);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisServerCommands#info()
*/
@Override
public Properties info() {
Properties infos = new Properties();
List> nodeResults = connection.getClusterCommandExecutor()
.executeCommandOnAllNodes(
(JedisClusterCommandCallback) client -> JedisConverters.toProperties(client.info()))
.getResults();
for (NodeResult nodeProperties : nodeResults) {
for (Entry entry : nodeProperties.getValue().entrySet()) {
infos.put(nodeProperties.getNode().asString() + "." + entry.getKey(), entry.getValue());
}
}
return infos;
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisClusterServerCommands#info(org.springframework.data.redis.connection.RedisClusterNode)
*/
@Override
public Properties info(RedisClusterNode node) {
return JedisConverters.toProperties(executeCommandOnSingleNode(BinaryJedis::info, node).getValue());
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisServerCommands#info(java.lang.String)
*/
@Override
public Properties info(String section) {
Assert.notNull(section, "Section must not be null!");
Properties infos = new Properties();
List> nodeResults = connection.getClusterCommandExecutor()
.executeCommandOnAllNodes(
(JedisClusterCommandCallback) client -> JedisConverters.toProperties(client.info(section)))
.getResults();
for (NodeResult nodeProperties : nodeResults) {
for (Entry entry : nodeProperties.getValue().entrySet()) {
infos.put(nodeProperties.getNode().asString() + "." + entry.getKey(), entry.getValue());
}
}
return infos;
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisClusterServerCommands#info(org.springframework.data.redis.connection.RedisClusterNode, java.lang.String)
*/
@Override
public Properties info(RedisClusterNode node, String section) {
Assert.notNull(section, "Section must not be null!");
return JedisConverters.toProperties(executeCommandOnSingleNode(client -> client.info(section), node).getValue());
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisServerCommands#shutdown()
*/
@Override
public void shutdown() {
connection.getClusterCommandExecutor()
.executeCommandOnAllNodes((JedisClusterCommandCallback) BinaryJedis::shutdown);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisClusterServerCommands#shutdown(org.springframework.data.redis.connection.RedisClusterNode)
*/
@Override
public void shutdown(RedisClusterNode node) {
executeCommandOnSingleNode(BinaryJedis::shutdown, node);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisServerCommands#shutdown(org.springframework.data.redis.connection.RedisServerCommands.ShutdownOption)
*/
@Override
public void shutdown(ShutdownOption option) {
if (option == null) {
shutdown();
return;
}
throw new IllegalArgumentException("Shutdown with options is not supported for jedis.");
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisServerCommands#getConfig(java.lang.String)
*/
@Override
public Properties getConfig(String pattern) {
Assert.notNull(pattern, "Pattern must not be null!");
List>> mapResult = connection.getClusterCommandExecutor()
.executeCommandOnAllNodes((JedisClusterCommandCallback>) client -> client.configGet(pattern))
.getResults();
List result = new ArrayList<>();
for (NodeResult> entry : mapResult) {
String prefix = entry.getNode().asString();
int i = 0;
for (String value : entry.getValue()) {
result.add((i++ % 2 == 0 ? (prefix + ".") : "") + value);
}
}
return Converters.toProperties(result);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisClusterServerCommands#getConfig(org.springframework.data.redis.connection.RedisClusterNode, java.lang.String)
*/
@Override
public Properties getConfig(RedisClusterNode node, String pattern) {
Assert.notNull(pattern, "Pattern must not be null!");
return connection.getClusterCommandExecutor().executeCommandOnSingleNode(
(JedisClusterCommandCallback) client -> Converters.toProperties(client.configGet(pattern)), node)
.getValue();
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisServerCommands#setConfig(java.lang.String, java.lang.String)
*/
@Override
public void setConfig(String param, String value) {
Assert.notNull(param, "Parameter must not be null!");
Assert.notNull(value, "Value must not be null!");
connection.getClusterCommandExecutor()
.executeCommandOnAllNodes((JedisClusterCommandCallback) client -> client.configSet(param, value));
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisClusterServerCommands#setConfig(org.springframework.data.redis.connection.RedisClusterNode, java.lang.String, java.lang.String)
*/
@Override
public void setConfig(RedisClusterNode node, String param, String value) {
Assert.notNull(param, "Parameter must not be null!");
Assert.notNull(value, "Value must not be null!");
executeCommandOnSingleNode(client -> client.configSet(param, value), node);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisServerCommands#resetConfigStats()
*/
@Override
public void resetConfigStats() {
connection.getClusterCommandExecutor()
.executeCommandOnAllNodes((JedisClusterCommandCallback) BinaryJedis::configResetStat);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisClusterServerCommands#resetConfigStats(org.springframework.data.redis.connection.RedisClusterNode)
*/
@Override
public void resetConfigStats(RedisClusterNode node) {
executeCommandOnSingleNode(BinaryJedis::configResetStat, node);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisServerCommands#time()
*/
@Override
public Long time() {
return convertListOfStringToTime(connection.getClusterCommandExecutor()
.executeCommandOnArbitraryNode((JedisClusterCommandCallback>) BinaryJedis::time).getValue());
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisClusterServerCommands#time(org.springframework.data.redis.connection.RedisClusterNode)
*/
@Override
public Long time(RedisClusterNode node) {
return convertListOfStringToTime(connection.getClusterCommandExecutor()
.executeCommandOnSingleNode((JedisClusterCommandCallback>) BinaryJedis::time, node).getValue());
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisServerCommands#killClient(java.lang.String, int)
*/
@Override
public void killClient(String host, int port) {
Assert.hasText(host, "Host for 'CLIENT KILL' must not be 'null' or 'empty'.");
String hostAndPort = String.format("%s:%s", host, port);
connection.getClusterCommandExecutor()
.executeCommandOnAllNodes((JedisClusterCommandCallback) client -> client.clientKill(hostAndPort));
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisServerCommands#setClientName(byte[])
*/
@Override
public void setClientName(byte[] name) {
throw new InvalidDataAccessApiUsageException("CLIENT SETNAME is not supported in cluster environment.");
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisServerCommands#getClientName()
*/
@Override
public String getClientName() {
throw new InvalidDataAccessApiUsageException("CLIENT GETNAME is not supported in cluster environment.");
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisServerCommands#getClientList()
*/
@Override
public List getClientList() {
Collection map = connection.getClusterCommandExecutor()
.executeCommandOnAllNodes((JedisClusterCommandCallback) BinaryJedis::clientList).resultsAsList();
ArrayList result = new ArrayList<>();
for (String infos : map) {
result.addAll(JedisConverters.toListOfRedisClientInformation(infos));
}
return result;
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisClusterServerCommands#getClientList(org.springframework.data.redis.connection.RedisClusterNode)
*/
@Override
public List getClientList(RedisClusterNode node) {
return JedisConverters
.toListOfRedisClientInformation(executeCommandOnSingleNode(BinaryJedis::clientList, node).getValue());
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisServerCommands#slaveOf(java.lang.String, int)
*/
@Override
public void slaveOf(String host, int port) {
throw new InvalidDataAccessApiUsageException(
"SlaveOf is not supported in cluster environment. Please use CLUSTER REPLICATE.");
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisServerCommands#slaveOfNoOne()
*/
@Override
public void slaveOfNoOne() {
throw new InvalidDataAccessApiUsageException(
"SlaveOf is not supported in cluster environment. Please use CLUSTER REPLICATE.");
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisServerCommands#migrate(byte[], org.springframework.data.redis.connection.RedisNode, int, org.springframework.data.redis.connection.RedisServerCommands.MigrateOption)
*/
@Override
public void migrate(byte[] key, RedisNode target, int dbIndex, @Nullable MigrateOption option) {
migrate(key, target, dbIndex, option, Long.MAX_VALUE);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisServerCommands#migrate(byte[], org.springframework.data.redis.connection.RedisNode, int, org.springframework.data.redis.connection.RedisServerCommands.MigrateOption, long)
*/
@Override
public void migrate(byte[] key, RedisNode target, int dbIndex, @Nullable MigrateOption option,
long timeout) {
Assert.notNull(key, "Key must not be null!");
Assert.notNull(target, "Target node must not be null!");
int timeoutToUse = timeout <= Integer.MAX_VALUE ? (int) timeout : Integer.MAX_VALUE;
RedisClusterNode node = connection.getTopologyProvider().getTopology().lookup(target.getHost(), target.getPort());
executeCommandOnSingleNode(client -> client.migrate(JedisConverters.toBytes(target.getHost()), target.getPort(),
key, dbIndex, timeoutToUse), node);
}
private Long convertListOfStringToTime(List serverTimeInformation) {
Assert.notEmpty(serverTimeInformation, "Received invalid result from server. Expected 2 items in collection.");
Assert.isTrue(serverTimeInformation.size() == 2,
"Received invalid number of arguments from redis server. Expected 2 received " + serverTimeInformation.size());
return Converters.toTimeMillis(serverTimeInformation.get(0), serverTimeInformation.get(1));
}
private NodeResult executeCommandOnSingleNode(JedisClusterCommandCallback cmd, RedisClusterNode node) {
return connection.getClusterCommandExecutor().executeCommandOnSingleNode(cmd, node);
}
private MultiNodeResult executeCommandOnAllNodes(JedisClusterCommandCallback cmd) {
return connection.getClusterCommandExecutor().executeCommandOnAllNodes(cmd);
}
}
