com.netflix.hollow.api.consumer

Interface HollowConsumer.BlobRetriever

All Known Implementing Classes:

HollowFilesystemBlobRetriever

Enclosing class:

HollowConsumer

public static interface HollowConsumer.BlobRetriever

An interface which defines the necessary interactions of Hollow with a blob data store.

Implementations will define how to retrieve blob data from a data store.

Method Summary

Methods

Modifier and Type	Method and Description
HollowConsumer.Blob	retrieveDeltaBlob(long currentVersion) Returns a delta transition which can be applied to the specified version identifier
HollowConsumer.Blob	retrieveReverseDeltaBlob(long currentVersion) Returns a reverse delta transition which can be applied to the specified version identifier
HollowConsumer.Blob	retrieveSnapshotBlob(long desiredVersion) Returns the snapshot for the state with the greatest version identifier which is equal to or less than the desired version

Method Detail

retrieveSnapshotBlob

HollowConsumer.Blob retrieveSnapshotBlob(long desiredVersion)

Returns the snapshot for the state with the greatest version identifier which is equal to or less than the desired version

retrieveDeltaBlob

HollowConsumer.Blob retrieveDeltaBlob(long currentVersion)

Returns a delta transition which can be applied to the specified version identifier

retrieveReverseDeltaBlob

HollowConsumer.Blob retrieveReverseDeltaBlob(long currentVersion)

Returns a reverse delta transition which can be applied to the specified version identifier