spring-data-redis SpelIndexDefinition 源码
spring-data-redis SpelIndexDefinition 代码
文件路径：/src/main/java/org/springframework/data/redis/core/index/SpelIndexDefinition.java
/*
* Copyright 2016-2022 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.core.index;
import org.springframework.data.redis.core.convert.SpelIndexResolver;
import org.springframework.expression.spel.standard.SpelExpression;
import org.springframework.util.ObjectUtils;
/**
* {@link SpelIndexDefinition} defines index that is evaluated based on a {@link SpelExpression} requires the
* {@link SpelIndexResolver} to be evaluated.
*
* @author Christoph Strobl
* @since 1.7
*/
public class SpelIndexDefinition extends RedisIndexDefinition {
private final String expression;
/**
* Creates new {@link SpelIndexDefinition}.
*
* @param keyspace must not be {@literal null}.
* @param expression must not be {@literal null}.
* @param indexName must not be {@literal null}.
*/
public SpelIndexDefinition(String keyspace, String expression, String indexName) {
super(keyspace, null, indexName);
this.expression = expression;
}
/**
* Get the raw expression.
*
* @return
*/
public String getExpression() {
return expression;
}
@Override
public boolean equals(Object o) {
if (this == o)
return true;
if (o == null || getClass() != o.getClass())
return false;
if (!super.equals(o))
return false;
SpelIndexDefinition that = (SpelIndexDefinition) o;
return ObjectUtils.nullSafeEquals(expression, that.expression);
}
@Override
public int hashCode() {
int result = super.hashCode();
result = 31 * result + ObjectUtils.nullSafeHashCode(expression);
return result;
}
}
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