Class AbstractDataFetcher<K,T>
- java.lang.Object
-
- io.smallrye.graphql.execution.datafetcher.AbstractDataFetcher<K,T>
-
- Type Parameters:
K
-T
-
- All Implemented Interfaces:
graphql.schema.DataFetcher<T>
,PlugableBatchableDataFetcher<K,T>
,PlugableDataFetcher<T>
,org.dataloader.BatchLoaderWithContext<K,T>
- Direct Known Subclasses:
AbstractAsyncDataFetcher
,AbstractStreamingDataFetcher
,DefaultDataFetcher
public abstract class AbstractDataFetcher<K,T> extends Object implements PlugableBatchableDataFetcher<K,T>
The abstract data fetcher- Author:
- Phillip Kruger ([email protected])
-
-
Field Summary
Fields Modifier and Type Field Description protected ArgumentHelper
argumentHelper
protected BatchLoaderHelper
batchLoaderHelper
protected ErrorResultHelper
errorResultHelper
protected EventEmitter
eventEmitter
protected FieldHelper
fieldHelper
protected LinkedBlockingQueue<Long>
measurementIds
protected MetricsEmitter
metricsEmitter
protected Operation
operation
protected OperationInvoker
operationInvoker
protected Type
type
-
Constructor Summary
Constructors Constructor Description AbstractDataFetcher(Operation operation, Type type)
-
Method Summary
All Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description T
get(graphql.schema.DataFetchingEnvironment dfe)
protected abstract <T> T
invokeAndTransform(Context c, graphql.schema.DataFetchingEnvironment dfe, graphql.execution.DataFetcherResult.Builder<Object> resultBuilder, Object[] transformedArguments)
protected abstract CompletionStage<List<T>>
invokeBatch(graphql.schema.DataFetchingEnvironment dfe, Object[] arguments)
protected abstract <T> T
invokeFailure(graphql.execution.DataFetcherResult.Builder<Object> resultBuilder)
CompletionStage<List<T>>
load(List<K> keys, org.dataloader.BatchLoaderEnvironment ble)
-
-
-
Field Detail
-
operation
protected Operation operation
-
type
protected Type type
-
fieldHelper
protected FieldHelper fieldHelper
-
operationInvoker
protected OperationInvoker operationInvoker
-
errorResultHelper
protected ErrorResultHelper errorResultHelper
-
argumentHelper
protected ArgumentHelper argumentHelper
-
eventEmitter
protected EventEmitter eventEmitter
-
metricsEmitter
protected MetricsEmitter metricsEmitter
-
batchLoaderHelper
protected BatchLoaderHelper batchLoaderHelper
-
measurementIds
protected LinkedBlockingQueue<Long> measurementIds
-
-
Method Detail
-
load
public CompletionStage<List<T>> load(List<K> keys, org.dataloader.BatchLoaderEnvironment ble)
-
invokeAndTransform
protected abstract <T> T invokeAndTransform(Context c, graphql.schema.DataFetchingEnvironment dfe, graphql.execution.DataFetcherResult.Builder<Object> resultBuilder, Object[] transformedArguments) throws AbstractDataFetcherException, Exception
-
invokeFailure
protected abstract <T> T invokeFailure(graphql.execution.DataFetcherResult.Builder<Object> resultBuilder)
-
invokeBatch
protected abstract CompletionStage<List<T>> invokeBatch(graphql.schema.DataFetchingEnvironment dfe, Object[] arguments)
-
-