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org.springframework.data.redis.connection.jedis.JedisClusterSetCommands 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.ScanParams;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import org.springframework.dao.DataAccessException;
import org.springframework.data.redis.connection.ClusterSlotHashUtil;
import org.springframework.data.redis.connection.RedisSetCommands;
import org.springframework.data.redis.connection.jedis.JedisClusterConnection.JedisMultiKeyClusterCommandCallback;
import org.springframework.data.redis.connection.util.ByteArraySet;
import org.springframework.data.redis.core.Cursor;
import org.springframework.data.redis.core.ScanCursor;
import org.springframework.data.redis.core.ScanIteration;
import org.springframework.data.redis.core.ScanOptions;
import org.springframework.data.redis.util.ByteUtils;
import org.springframework.util.Assert;
/**
* @author Christoph Strobl
* @author Mark Paluch
* @since 2.0
*/
@RequiredArgsConstructor
class JedisClusterSetCommands implements RedisSetCommands {
private final @NonNull JedisClusterConnection connection;
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisSetCommands#sAdd(byte[], byte[][])
*/
@Override
public Long sAdd(byte[] key, byte[]... values) {
Assert.notNull(key, "Key must not be null!");
Assert.notNull(values, "Values must not be null!");
Assert.noNullElements(values, "Values must not contain null elements!");
try {
return connection.getCluster().sadd(key, values);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisSetCommands#sRem(byte[], byte[][])
*/
@Override
public Long sRem(byte[] key, byte[]... values) {
Assert.notNull(key, "Key must not be null!");
Assert.notNull(values, "Values must not be null!");
Assert.noNullElements(values, "Values must not contain null elements!");
try {
return connection.getCluster().srem(key, values);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisSetCommands#sPop(byte[])
*/
@Override
public byte[] sPop(byte[] key) {
Assert.notNull(key, "Key must not be null!");
try {
return connection.getCluster().spop(key);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisSetCommands#sPop(byte[], long)
*/
@Override
public List sPop(byte[] key, long count) {
Assert.notNull(key, "Key must not be null!");
try {
return new ArrayList<>(connection.getCluster().spop(key, count));
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisSetCommands#sMove(byte[], byte[], byte[])
*/
@Override
public Boolean sMove(byte[] srcKey, byte[] destKey, byte[] value) {
Assert.notNull(srcKey, "Source key must not be null!");
Assert.notNull(destKey, "Destination key must not be null!");
Assert.notNull(value, "Value must not be null!");
if (ClusterSlotHashUtil.isSameSlotForAllKeys(srcKey, destKey)) {
try {
return JedisConverters.toBoolean(connection.getCluster().smove(srcKey, destKey, value));
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
if (connection.keyCommands().exists(srcKey)) {
if (sRem(srcKey, value) > 0 && !sIsMember(destKey, value)) {
return JedisConverters.toBoolean(sAdd(destKey, value));
}
}
return Boolean.FALSE;
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisSetCommands#sCard(byte[])
*/
@Override
public Long sCard(byte[] key) {
Assert.notNull(key, "Key must not be null!");
try {
return connection.getCluster().scard(key);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisSetCommands#sIsMember(byte[], byte[])
*/
@Override
public Boolean sIsMember(byte[] key, byte[] value) {
Assert.notNull(key, "Key must not be null!");
Assert.notNull(value, "Value must not be null!");
try {
return connection.getCluster().sismember(key, value);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisSetCommands#sInter(byte[][])
*/
@Override
public Set sInter(byte[]... keys) {
Assert.notNull(keys, "Keys must not be null!");
Assert.noNullElements(keys, "Keys must not contain null elements!");
if (ClusterSlotHashUtil.isSameSlotForAllKeys(keys)) {
try {
return connection.getCluster().sinter(keys);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
Collection> resultList = connection.getClusterCommandExecutor()
.executeMultiKeyCommand(
(JedisMultiKeyClusterCommandCallback>) (client, key) -> client.smembers(key),
Arrays.asList(keys))
.resultsAsList();
ByteArraySet result = null;
for (Set value : resultList) {
ByteArraySet tmp = new ByteArraySet(value);
if (result == null) {
result = tmp;
} else {
result.retainAll(tmp);
if (result.isEmpty()) {
break;
}
}
}
if (result.isEmpty()) {
return Collections.emptySet();
}
return result.asRawSet();
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisSetCommands#sInterStore(byte[], byte[][])
*/
@Override
public Long sInterStore(byte[] destKey, byte[]... keys) {
Assert.notNull(destKey, "Destination key must not be null!");
Assert.notNull(keys, "Source keys must not be null!");
Assert.noNullElements(keys, "Source keys must not contain null elements!");
byte[][] allKeys = ByteUtils.mergeArrays(destKey, keys);
if (ClusterSlotHashUtil.isSameSlotForAllKeys(allKeys)) {
try {
return connection.getCluster().sinterstore(destKey, keys);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
Set result = sInter(keys);
if (result.isEmpty()) {
return 0L;
}
return sAdd(destKey, result.toArray(new byte[result.size()][]));
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisSetCommands#sUnion(byte[][])
*/
@Override
public Set sUnion(byte[]... keys) {
Assert.notNull(keys, "Keys must not be null!");
Assert.noNullElements(keys, "Keys must not contain null elements!");
if (ClusterSlotHashUtil.isSameSlotForAllKeys(keys)) {
try {
return connection.getCluster().sunion(keys);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
Collection> resultList = connection.getClusterCommandExecutor()
.executeMultiKeyCommand(
(JedisMultiKeyClusterCommandCallback>) (client, key) -> client.smembers(key),
Arrays.asList(keys))
.resultsAsList();
ByteArraySet result = new ByteArraySet();
for (Set entry : resultList) {
result.addAll(entry);
}
if (result.isEmpty()) {
return Collections.emptySet();
}
return result.asRawSet();
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisSetCommands#sUnionStore(byte[], byte[][])
*/
@Override
public Long sUnionStore(byte[] destKey, byte[]... keys) {
Assert.notNull(destKey, "Destination key must not be null!");
Assert.notNull(keys, "Source keys must not be null!");
Assert.noNullElements(keys, "Source keys must not contain null elements!");
byte[][] allKeys = ByteUtils.mergeArrays(destKey, keys);
if (ClusterSlotHashUtil.isSameSlotForAllKeys(allKeys)) {
try {
return connection.getCluster().sunionstore(destKey, keys);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
Set result = sUnion(keys);
if (result.isEmpty()) {
return 0L;
}
return sAdd(destKey, result.toArray(new byte[result.size()][]));
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisSetCommands#sDiff(byte[][])
*/
@Override
public Set sDiff(byte[]... keys) {
Assert.notNull(keys, "Keys must not be null!");
Assert.noNullElements(keys, "Keys must not contain null elements!");
if (ClusterSlotHashUtil.isSameSlotForAllKeys(keys)) {
try {
return connection.getCluster().sdiff(keys);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
byte[] source = keys[0];
byte[][] others = Arrays.copyOfRange(keys, 1, keys.length);
ByteArraySet values = new ByteArraySet(sMembers(source));
Collection> resultList = connection.getClusterCommandExecutor()
.executeMultiKeyCommand(
(JedisMultiKeyClusterCommandCallback>) (client, key) -> client.smembers(key),
Arrays.asList(others))
.resultsAsList();
if (values.isEmpty()) {
return Collections.emptySet();
}
for (Set singleNodeValue : resultList) {
values.removeAll(singleNodeValue);
}
return values.asRawSet();
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisSetCommands#sDiffStore(byte[], byte[][])
*/
@Override
public Long sDiffStore(byte[] destKey, byte[]... keys) {
Assert.notNull(destKey, "Destination key must not be null!");
Assert.notNull(keys, "Source keys must not be null!");
Assert.noNullElements(keys, "Source keys must not contain null elements!");
byte[][] allKeys = ByteUtils.mergeArrays(destKey, keys);
if (ClusterSlotHashUtil.isSameSlotForAllKeys(allKeys)) {
try {
return connection.getCluster().sdiffstore(destKey, keys);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
Set diff = sDiff(keys);
if (diff.isEmpty()) {
return 0L;
}
return sAdd(destKey, diff.toArray(new byte[diff.size()][]));
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisSetCommands#sMembers(byte[])
*/
@Override
public Set sMembers(byte[] key) {
Assert.notNull(key, "Key must not be null!");
try {
return connection.getCluster().smembers(key);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisSetCommands#sRandMember(byte[])
*/
@Override
public byte[] sRandMember(byte[] key) {
Assert.notNull(key, "Key must not be null!");
try {
return connection.getCluster().srandmember(key);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisSetCommands#sRandMember(byte[], long)
*/
@Override
public List sRandMember(byte[] key, long count) {
Assert.notNull(key, "Key must not be null!");
if (count > Integer.MAX_VALUE) {
throw new IllegalArgumentException("Count cannot exceed Integer.MAX_VALUE!");
}
try {
return connection.getCluster().srandmember(key, Long.valueOf(count).intValue());
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisSetCommands#sScan(byte[], org.springframework.data.redis.core.ScanOptions)
*/
@Override
public Cursor sScan(byte[] key, ScanOptions options) {
Assert.notNull(key, "Key must not be null!");
return new ScanCursor(options) {
@Override
protected ScanIteration doScan(long cursorId, ScanOptions options) {
ScanParams params = JedisConverters.toScanParams(options);
redis.clients.jedis.ScanResult result = connection.getCluster().sscan(key,
JedisConverters.toBytes(cursorId), params);
return new ScanIteration<>(Long.valueOf(result.getStringCursor()), result.getResult());
}
}.open();
}
private DataAccessException convertJedisAccessException(Exception ex) {
return connection.convertJedisAccessException(ex);
}
}
