spring-data-elasticsearch ReactiveElasticsearchParametersParameterAccessor 源码
spring-data-elasticsearch ReactiveElasticsearchParametersParameterAccessor 代码
文件路径：/src/main/java/org/springframework/data/elasticsearch/repository/query/ReactiveElasticsearchParametersParameterAccessor.java
/*
* Copyright 2019-2022 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.elasticsearch.repository.query;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import java.util.ArrayList;
import java.util.List;
import org.springframework.data.repository.util.ReactiveWrapperConverters;
import org.springframework.data.repository.util.ReactiveWrappers;
/**
* @author Christoph Strobl
* @since 3.2
*/
class ReactiveElasticsearchParametersParameterAccessor extends ElasticsearchParametersParameterAccessor {
private final List<Mono<?>> subscriptions;
/**
* Creates a new {@link ElasticsearchParametersParameterAccessor}.
*
* @param method must not be {@literal null}.
* @param values must not be {@literal null}.
*/
ReactiveElasticsearchParametersParameterAccessor(ReactiveElasticsearchQueryMethod method, Object... values) {
super(method, values);
this.subscriptions = new ArrayList<>(values.length);
for (Object value : values) {
if (value == null || !ReactiveWrappers.supports(value.getClass())) {
subscriptions.add(null);
continue;
}
if (ReactiveWrappers.isSingleValueType(value.getClass())) {
subscriptions.add(ReactiveWrapperConverters.toWrapper(value, Mono.class));
} else {
subscriptions.add(ReactiveWrapperConverters.toWrapper(value, Flux.class).collectList());
}
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.repository.query.ParametersParameterAccessor#getValue(int)
*/
@SuppressWarnings("unchecked")
@Override
protected <T> T getValue(int index) {
if (subscriptions.get(index) != null) {
return (T) subscriptions.get(index).block();
}
return super.getValue(index);
}
/*
* (non-Javadoc)
* @see org.springframework.data.elasticsearch.repository.query.ElasticsearchParametersParameterAccessor#getValues(int)
*/
@Override
public Object[] getValues() {
Object[] result = new Object[getValues().length];
for (int i = 0; i < result.length; i++) {
result[i] = getValue(i);
}
return result;
}
/*
* (non-Javadoc)
* @see org.springframework.data.repository.query.ParametersParameterAccessor#getBindableValue(int)
*/
@Override
public Object getBindableValue(int index) {
return getValue(getParameters().getBindableParameter(index).getIndex());
}
}
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