- Dependency
- Client
- Client - Transport Client
- Client - XPack Transport Client
- Document APIs
- Document APIs - Index API
- Document APIs - Get API
- Document APIs - Delete API
- Document APIs - Delete By Query API
- Document APIs - Update API
- Document APIs - Multi Get API
- Document APIs - Bulk API
- Document APIs - Using Bulk Processor
- Search API
- Search API - Using scrolls in Java
- Search API - MultiSearch API
- Search API - Using Aggregations
- Search API - Terminate After
- Search API - Search Template
- Aggregations
- Aggregations - Structuring aggregations
- Aggregations - Metrics aggregations
- Aggregations - Bucket aggregations
- Query DSL
- Query DSL - Match All Query
- Query DSL - Full text queries
- Query DSL - Term level queries
- Query DSL - Compound queries
- Query DSL - Joining queries
- Query DSL - Geo queries
- Query DSL - Specialized queries
- Query DSL - Span queries
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Document APIs - Multi Get API
Multi Get API
一次获取多个文档
MultiGetResponse multiGetItemResponses = client.prepareMultiGet()
.add("twitter", "tweet", "1") //一个id的方式
.add("twitter", "tweet", "2", "3", "4") //多个id的方式
.add("another", "type", "foo") //可以从另外一个索引获取
.get();
for (MultiGetItemResponse itemResponse : multiGetItemResponses) { //迭代返回值
GetResponse response = itemResponse.getResponse();
if (response.isExists()) { //判断是否存在
String json = response.getSourceAsString(); //_source 字段
}
}
更多请浏览REST multi get 文档
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