| Package | Description | 
|---|---|
| com.hazelcast.query.extractor | Contains classes related to custom attributes and the extraction of their values. | 
| Modifier and Type | Method and Description | 
|---|---|
| abstract <T> void | ValueReader. read(String path,
    ValueCallback<T> callback)Read the value of the attribute specified by the path and returns the result via the callback. | 
| abstract <T> void | ValueReader. read(String path,
    ValueCollector<T> collector)Read the value of the attribute specified by the path and returns the result directly to the collector. | 
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