org.springframework.data.redis.connection.jedis.JedisClusterScriptingCommands Maven / Gradle / Ivy
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This OSGi bundle wraps ${pkgArtifactId} ${pkgVersion} jar files.
/*
* Copyright 2017-2020 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
*
* https://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 redis.clients.jedis.JedisCluster;
import java.util.List;
import org.springframework.dao.InvalidDataAccessApiUsageException;
import org.springframework.data.redis.connection.ClusterCommandExecutor;
import org.springframework.data.redis.connection.RedisScriptingCommands;
import org.springframework.data.redis.connection.ReturnType;
import org.springframework.util.Assert;
/**
* @author Mark Paluch
* @author Pavel Khokhlov
* @since 2.0
*/
@RequiredArgsConstructor
class JedisClusterScriptingCommands implements RedisScriptingCommands {
private final @NonNull JedisClusterConnection connection;
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisScriptingCommands#scriptFlush()
*/
@Override
public void scriptFlush() {
try {
connection.getClusterCommandExecutor().executeCommandOnAllNodes(
(JedisClusterConnection.JedisClusterCommandCallback) BinaryJedis::scriptFlush);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisScriptingCommands#scriptKill()
*/
@Override
public void scriptKill() {
try {
connection.getClusterCommandExecutor().executeCommandOnAllNodes(
(JedisClusterConnection.JedisClusterCommandCallback) BinaryJedis::scriptKill);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisScriptingCommands#scriptLoad(byte[])
*/
@Override
public String scriptLoad(byte[] script) {
Assert.notNull(script, "Script must not be null!");
try {
ClusterCommandExecutor.MultiNodeResult multiNodeResult = connection.getClusterCommandExecutor()
.executeCommandOnAllNodes(
(JedisClusterConnection.JedisClusterCommandCallback) client -> client.scriptLoad(script));
return JedisConverters.toString(multiNodeResult.getFirstNonNullNotEmptyOrDefault(new byte[0]));
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisScriptingCommands#scriptExists(java.lang.String[])
*/
@Override
public List scriptExists(String... scriptShas) {
throw new InvalidDataAccessApiUsageException("ScriptExists is not supported in cluster environment.");
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisScriptingCommands#eval(byte[], org.springframework.data.redis.connection.ReturnType, int, byte[][])
*/
@Override
@SuppressWarnings("unchecked")
public T eval(byte[] script, ReturnType returnType, int numKeys, byte[]... keysAndArgs) {
Assert.notNull(script, "Script must not be null!");
try {
return (T) new JedisScriptReturnConverter(returnType)
.convert(getCluster().eval(script, JedisConverters.toBytes(numKeys), keysAndArgs));
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisScriptingCommands#evalSha(java.lang.String, org.springframework.data.redis.connection.ReturnType, int, byte[][])
*/
@Override
public T evalSha(String scriptSha, ReturnType returnType, int numKeys, byte[]... keysAndArgs) {
return evalSha(JedisConverters.toBytes(scriptSha), returnType, numKeys, keysAndArgs);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisScriptingCommands#evalSha(byte[], org.springframework.data.redis.connection.ReturnType, int, byte[][])
*/
@Override
@SuppressWarnings("unchecked")
public T evalSha(byte[] scriptSha, ReturnType returnType, int numKeys, byte[]... keysAndArgs) {
Assert.notNull(scriptSha, "Script digest must not be null!");
try {
return (T) new JedisScriptReturnConverter(returnType)
.convert(getCluster().evalsha(scriptSha, numKeys, keysAndArgs));
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
protected RuntimeException convertJedisAccessException(Exception ex) {
return connection.convertJedisAccessException(ex);
}
private JedisCluster getCluster() {
return connection.getCluster();
}
}