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/*
* Copyright 2017-2022 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 redis.clients.jedis.BinaryJedis;
import java.util.List;
import org.springframework.data.redis.connection.RedisScriptingCommands;
import org.springframework.data.redis.connection.ReturnType;
import org.springframework.util.Assert;
/**
* @author Mark Paluch
* @since 2.0
*/
class JedisScriptingCommands implements RedisScriptingCommands {
private final JedisConnection connection;
JedisScriptingCommands(JedisConnection connection) {
this.connection = connection;
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisScriptingCommands#scriptFlush()
*/
@Override
public void scriptFlush() {
assertDirectMode();
connection.invoke().just(BinaryJedis::scriptFlush);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisScriptingCommands#scriptKill()
*/
@Override
public void scriptKill() {
assertDirectMode();
connection.invoke().just(BinaryJedis::scriptKill);
}
/*
* (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!");
assertDirectMode();
return connection.invoke().from(it -> it.scriptLoad(script)).get(JedisConverters::toString);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisScriptingCommands#scriptExists(java.lang.String[])
*/
@Override
public List scriptExists(String... scriptSha1) {
Assert.notNull(scriptSha1, "Script digests must not be null!");
Assert.noNullElements(scriptSha1, "Script digests must not contain null elements!");
assertDirectMode();
return connection.invoke().just(it -> it.scriptExists(scriptSha1));
}
/*
* (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!");
assertDirectMode();
JedisScriptReturnConverter converter = new JedisScriptReturnConverter(returnType);
return (T) connection.invoke().from(it -> it.eval(script, JedisConverters.toBytes(numKeys), keysAndArgs))
.getOrElse(converter, () -> converter.convert(null));
}
/*
* (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 scriptSha1, ReturnType returnType, int numKeys, byte[]... keysAndArgs) {
return evalSha(JedisConverters.toBytes(scriptSha1), 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!");
assertDirectMode();
JedisScriptReturnConverter converter = new JedisScriptReturnConverter(returnType);
return (T) connection.invoke().from(it -> it.evalsha(scriptSha, numKeys, keysAndArgs)).getOrElse(converter,
() -> converter.convert(null));
}
private void assertDirectMode() {
if (connection.isQueueing() || connection.isPipelined()) {
throw new UnsupportedOperationException("Scripting commands not supported in pipelining/transaction mode");
}
}
}
