Feature - bgSave(), scheduleBgSave(), save(), getLastSaveTime(), bgRewriteAOF() methods added to RedisNode interface. #5251

redisson/src/main/java/org/redisson/api/redisnode/RedisNode.java

@@ -18,6 +18,7 @@ package org.redisson.api.redisnode;
 import org.redisson.client.protocol.Time;
 
 import java.net.InetSocketAddress;
+import java.time.Instant;
 import java.util.Map;
 import java.util.concurrent.TimeUnit;
 
@@ -93,4 +94,41 @@ public interface RedisNode {
      */
     void setConfig(String parameter, String value);
 
+    /**
+     * Runs the Redis database saving process in background.
+     *
+     */
+    void bgSave();
+
+    /**
+     * Save the Redis database in background.
+     * If AOF rewrite process is in progress then
+     * the background save is scheduled to run upon its completion.
+     *
+     */
+    void scheduleBgSave();
+
+    /**
+     * Save the Redis database.
+     *
+     */
+    void save();
+
+    /**
+     * Returns time of the last successful
+     * Redis database save operation.
+     *
+     * @return time
+     */
+    Instant getLastSaveTime();
+
+    /**
+     * Runs an Append Only File rewrite process.
+     * Starts only if there is no a background process doing persistence.
+     * <p>
+     * If fails no data gets lost
+     *
+     */
+    void bgRewriteAOF();
+
 }

redisson/src/main/java/org/redisson/api/redisnode/RedisNodeAsync.java

@@ -18,6 +18,7 @@ package org.redisson.api.redisnode;
 import org.redisson.api.RFuture;
 import org.redisson.client.protocol.Time;
 
+import java.time.Instant;
 import java.util.Map;
 import java.util.concurrent.TimeUnit;
 
@@ -85,4 +86,41 @@ public interface RedisNodeAsync {
      */
     RFuture<Void> setConfigAsync(String parameter, String value);
 
+    /**
+     * Runs the Redis database saving process in background.
+     *
+     */
+    RFuture<Void> bgSaveAsync();
+
+    /**
+     * Save the Redis database in background.
+     * If AOF rewrite process is in progress then
+     * the background save is scheduled to run upon its completion.
+     *
+     */
+    RFuture<Void> scheduleBgSaveAsync();
+
+    /**
+     * Save the Redis database.
+     *
+     */
+    RFuture<Void> saveAsync();
+
+    /**
+     * Returns time of the last successful
+     * Redis database save operation.
+     *
+     * @return time
+     */
+    RFuture<Instant> getLastSaveTimeAsync();
+
+    /**
+     * Runs an Append Only File rewrite process.
+     * Starts only if there is no a background process doing persistence.
+     * <p>
+     * If fails no data gets lost
+     *
+     */
+    RFuture<Void> bgRewriteAOFAsync();
+
 }

redisson/src/main/java/org/redisson/client/protocol/RedisCommands.java

@@ -29,6 +29,7 @@ import org.redisson.codec.CompositeCodec;
 import org.redisson.misc.RedisURI;
 
 import java.time.Duration;
+import java.time.Instant;
 import java.util.*;
 import java.util.Map.Entry;
 import java.util.stream.Collectors;
@@ -467,6 +468,7 @@ public interface RedisCommands {
 
     RedisStrictCommand<Void> SAVE = new RedisStrictCommand<Void>("SAVE", new VoidReplayConvertor());
     RedisStrictCommand<Long> LASTSAVE = new RedisStrictCommand<Long>("LASTSAVE");
+    RedisStrictCommand<Instant> LASTSAVE_INSTANT = new RedisStrictCommand<>("LASTSAVE", new InstantReplyConvertor());
     RedisStrictCommand<Void> BGSAVE = new RedisStrictCommand<Void>("BGSAVE", new VoidReplayConvertor());
     RedisStrictCommand<Void> BGREWRITEAOF = new RedisStrictCommand<Void>("BGREWRITEAOF", new VoidReplayConvertor());
     

redisson/src/main/java/org/redisson/client/protocol/convertor/InstantReplyConvertor.java

@@ -0,0 +1,30 @@
+/**
+ * Copyright (c) 2013-2022 Nikita Koksharov
+ *
+ * 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.redisson.client.protocol.convertor;
+
+import java.time.Instant;
+
+/**
+ *
+ * @author Nikita Koksharov
+ *
+ */
+public class InstantReplyConvertor implements Convertor<Instant> {
+    @Override
+    public Instant convert(Object obj) {
+        return Instant.ofEpochSecond((Long)obj);
+    }
+}

redisson/src/main/java/org/redisson/redisnode/RedisNode.java

@@ -30,6 +30,7 @@ import org.redisson.misc.CompletableFutureWrapper;
 import org.redisson.misc.RedisURI;
 
 import java.net.InetSocketAddress;
+import java.time.Instant;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
@@ -339,4 +340,53 @@ public class RedisNode implements RedisClusterMaster, RedisClusterSlave, RedisMa
         return commandExecutor.writeAsync(client, StringCodec.INSTANCE, RedisCommands.CONFIG_SET, parameter, value);
     }
 
+    @Override
+    public void bgSave() {
+        commandExecutor.get(bgSaveAsync());
+    }
+
+    @Override
+    public void scheduleBgSave() {
+        commandExecutor.get(scheduleBgSaveAsync());
+    }
+
+    @Override
+    public void save() {
+        commandExecutor.get(saveAsync());
+    }
+
+    @Override
+    public Instant getLastSaveTime() {
+        return commandExecutor.get(getLastSaveTimeAsync());
+    }
+
+    @Override
+    public RFuture<Void> bgSaveAsync() {
+        return commandExecutor.writeAsync(client, StringCodec.INSTANCE, RedisCommands.BGSAVE);
+    }
+
+    @Override
+    public RFuture<Void> scheduleBgSaveAsync() {
+        return commandExecutor.writeAsync(client, StringCodec.INSTANCE, RedisCommands.BGSAVE, "SCHEDULE");
+    }
+
+    @Override
+    public RFuture<Void> saveAsync() {
+        return commandExecutor.writeAsync(client, StringCodec.INSTANCE, RedisCommands.SAVE);
+    }
+
+    @Override
+    public RFuture<Instant> getLastSaveTimeAsync() {
+        return commandExecutor.writeAsync(client, StringCodec.INSTANCE, RedisCommands.LASTSAVE_INSTANT);
+    }
+
+    @Override
+    public void bgRewriteAOF() {
+        commandExecutor.get(bgRewriteAOFAsync());
+    }
+
+    @Override
+    public RFuture<Void> bgRewriteAOFAsync() {
+        return commandExecutor.writeAsync(client, StringCodec.INSTANCE, RedisCommands.BGREWRITEAOF);
+    }
 }

redisson/src/main/java/org/redisson/redisnode/SentinelRedisNode.java

@@ -31,6 +31,7 @@ import org.redisson.misc.CompletableFutureWrapper;
 import org.redisson.misc.RedisURI;
 
 import java.net.InetSocketAddress;
+import java.time.Instant;
 import java.util.List;
 import java.util.Map;
 import java.util.concurrent.CompletableFuture;
@@ -270,4 +271,53 @@ public class SentinelRedisNode implements RedisSentinel, RedisSentinelAsync {
         return executeAsync(null, StringCodec.INSTANCE, -1, RedisCommands.CONFIG_SET, parameter, value);
     }
 
+    @Override
+    public void bgSave() {
+        commandAsyncService.get(bgSaveAsync());
+    }
+
+    @Override
+    public void scheduleBgSave() {
+        commandAsyncService.get(scheduleBgSaveAsync());
+    }
+
+    @Override
+    public void save() {
+        commandAsyncService.get(saveAsync());
+    }
+
+    @Override
+    public Instant getLastSaveTime() {
+        return commandAsyncService.get(getLastSaveTimeAsync());
+    }
+
+    @Override
+    public RFuture<Void> bgSaveAsync() {
+        return executeAsync(null, StringCodec.INSTANCE, -1, RedisCommands.BGSAVE);
+    }
+
+    @Override
+    public RFuture<Void> scheduleBgSaveAsync() {
+        return executeAsync(null, StringCodec.INSTANCE, -1, RedisCommands.BGSAVE, "SCHEDULE");
+    }
+
+    @Override
+    public RFuture<Void> saveAsync() {
+        return executeAsync(null, StringCodec.INSTANCE, -1, RedisCommands.SAVE);
+    }
+
+    @Override
+    public RFuture<Instant> getLastSaveTimeAsync() {
+        return executeAsync(null, StringCodec.INSTANCE, -1, RedisCommands.LASTSAVE_INSTANT);
+    }
+
+    @Override
+    public void bgRewriteAOF() {
+        commandAsyncService.get(bgRewriteAOFAsync());
+    }
+
+    @Override
+    public RFuture<Void> bgRewriteAOFAsync() {
+        return executeAsync(null, StringCodec.INSTANCE, -1, RedisCommands.BGREWRITEAOF);
+    }
 }

redisson/src/test/java/org/redisson/RedissonTest.java

@@ -12,7 +12,9 @@ import org.redisson.ClusterRunner.ClusterProcesses;
 import org.redisson.RedisRunner.RedisProcess;
 import org.redisson.api.*;
 import org.redisson.api.redisnode.RedisClusterMaster;
+import org.redisson.api.redisnode.RedisMaster;
 import org.redisson.api.redisnode.RedisNodes;
+import org.redisson.api.redisnode.RedisSingle;
 import org.redisson.client.*;
 import org.redisson.client.codec.BaseCodec;
 import org.redisson.client.codec.StringCodec;
@@ -33,6 +35,7 @@ import org.redisson.connection.balancer.RandomLoadBalancer;
 import java.io.IOException;
 import java.net.InetSocketAddress;
 import java.time.Duration;
+import java.time.Instant;
 import java.util.*;
 import java.util.concurrent.*;
 import java.util.concurrent.atomic.AtomicBoolean;
@@ -866,6 +869,22 @@ public class RedissonTest extends BaseTest {
     }
 
 
+    @Test
+    public void testSave() throws InterruptedException {
+        Instant s2 = Instant.now();
+        Thread.sleep(1000);
+        RedisSingle nodes = redisson.getRedisNodes(RedisNodes.SINGLE);
+        RedisMaster node = nodes.getInstance();
+
+        Instant time1 = node.getLastSaveTime();
+        assertThat(time1).isNotNull();
+        node.save();
+        Instant time2 = node.getLastSaveTime();
+        assertThat(time2.isAfter(s2)).isTrue();
+        node.bgSave();
+        node.bgRewriteAOF();
+    }
+
     @Test
     public void testShutdown() {
         Config config = new Config();