org.springframework.data.redis.core.script.ScriptUtils Maven / Gradle / Ivy
/*
* 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.core.script;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.List;
import org.springframework.dao.NonTransientDataAccessException;
import org.springframework.data.redis.serializer.RedisElementReader;
import org.springframework.data.redis.serializer.RedisSerializer;
/**
* Utilities for Lua script execution and result deserialization.
*
* @author Mark Paluch
* @author Christoph Strobl
* @since 2.0
*/
class ScriptUtils {
private ScriptUtils() {}
/**
* Deserialize {@code result} using {@link RedisSerializer} to the serializer type. Collection types and intermediate
* collection elements are deserialized recursivly.
*
* @param resultSerializer must not be {@literal null}.
* @param result must not be {@literal null}.
* @return the deserialized result.
*/
@SuppressWarnings({ "unchecked" })
static T deserializeResult(RedisSerializer resultSerializer, Object result) {
if (result instanceof byte[]) {
return resultSerializer.deserialize((byte[]) result);
}
if (result instanceof List) {
List