Package org.apache.hadoop.yarn.server.timelineservice.documentstore.reader

Interface DocumentStoreReader<Document extends TimelineDocument>

All Superinterfaces:

AutoCloseable

All Known Implementing Classes:

CosmosDBDocumentStoreReader

public interface DocumentStoreReader<Document extends TimelineDocument>
extends AutoCloseable

Every DocumentStoreVendor have to implement this for creating reader to its backend.

Method Summary

Modifier and Type	Method	Description
Set<String>	fetchEntityTypes(String collectionName, org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderContext context)
Document	readDocument(String collectionName, org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderContext context, Class<Document> documentClass)
List<Document>	readDocumentList(String collectionName, org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderContext context, Class<Document> documentClass, long documentsSize)

Methods inherited from interface java.lang.AutoCloseable

close

Method Details

readDocument

Document readDocument(String collectionName,
 org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderContext context,
 Class<Document> documentClass)
               throws NoDocumentFoundException

Throws:

NoDocumentFoundException

readDocumentList

List<Document> readDocumentList(String collectionName,
 org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderContext context,
 Class<Document> documentClass,
 long documentsSize)
                         throws NoDocumentFoundException

Throws:

NoDocumentFoundException

fetchEntityTypes

Set<String> fetchEntityTypes(String collectionName,
 org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderContext context)