spring-data-elasticsearch MultiGetItem 源码
spring-data-elasticsearch MultiGetItem 代码
文件路径：/src/main/java/org/springframework/data/elasticsearch/core/MultiGetItem.java
/*
* Copyright 2021-2022 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.core;
import org.springframework.data.elasticsearch.ElasticsearchErrorCause;
import org.springframework.lang.Nullable;
/**
* Response object for items returned from multiget requests, encapsulating the returned data and potential error
* information.
*
* @param <T> the entity type
* @author Peter-Josef Meisch
* @since 4.2
*/
public class MultiGetItem<T> {
@Nullable private final T item;
@Nullable private final Failure failure;
private MultiGetItem(@Nullable T item, @Nullable Failure failure) {
this.item = item;
this.failure = failure;
}
public static <T> MultiGetItem<T> of(@Nullable T item, @Nullable Failure failure) {
return new MultiGetItem<>(item, failure);
}
public boolean hasItem() {
return item != null;
}
@Nullable
public T getItem() {
return item;
}
public boolean isFailed() {
return failure != null;
}
@Nullable
public Failure getFailure() {
return failure;
}
public static class Failure {
@Nullable private final String index;
@Nullable private final String type;
@Nullable private final String id;
@Nullable private final Exception exception;
@Nullable private final ElasticsearchErrorCause elasticsearchErrorCause;
private Failure(@Nullable String index, @Nullable String type, @Nullable String id, @Nullable Exception exception,
@Nullable ElasticsearchErrorCause elasticsearchErrorCause) {
this.index = index;
this.type = type;
this.id = id;
this.exception = exception;
this.elasticsearchErrorCause = elasticsearchErrorCause;
}
public static Failure of(String index, @Nullable String type, String id, @Nullable Exception exception,
@Nullable ElasticsearchErrorCause elasticsearchErrorCause) {
return new Failure(index, type, id, exception, elasticsearchErrorCause);
}
@Nullable
public String getIndex() {
return index;
}
@Nullable
public String getType() {
return type;
}
@Nullable
public String getId() {
return id;
}
@Nullable
public Exception getException() {
return exception;
}
@Nullable
public ElasticsearchErrorCause getElasticsearchErrorCause() {
return elasticsearchErrorCause;
}
}
}
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