org.dataloader

Interface MappedBatchLoaderWithContext<K,V>

public interface MappedBatchLoaderWithContext<K,V>

This form of MappedBatchLoader is given a BatchLoaderEnvironment object that encapsulates the calling context. A typical use case is passing in security credentials or database details for example.

See MappedBatchLoader for more details on the design invariants that you must implement in order to use this interface.

Method Summary

Modifier and Type	Method and Description
java.util.concurrent.CompletionStage<java.util.Map<K,V>>	load(java.util.Set<K> keys, BatchLoaderEnvironment environment) Called to batch load the provided keys and return a promise to a map of values.

Method Detail

load

java.util.concurrent.CompletionStage<java.util.Map<K,V>> load(java.util.Set<K> keys,
                                                              BatchLoaderEnvironment environment)

Called to batch load the provided keys and return a promise to a map of values.

Parameters:

keys - the set of keys to load

environment - the calling environment

Returns:

a promise to a map of values for those keys