DefaultValueFactory (core 2.44.0 API)

Type Parameters:

T - The type of object this factory produces.

All Known Implementing Classes:

ExecutorOptions.ScheduledExecutorServiceFactory, MetricsOptions.NoOpMetricsSink, PipelineOptions.AtomicLongFactory, PipelineOptions.DirectRunner, PipelineOptions.JobNameFactory, PipelineOptions.UserAgentFactory, ResourceHintsOptions.EmptyListDefault, SdkHarnessOptions.DefaultMaxCacheMemoryUsageMbFactory, TestPipelineOptions.AlwaysPassMatcherFactory
```
public interface DefaultValueFactory<T>
```
An interface used with the Default.InstanceFactory annotation to specify the class that will be an instance factory to produce default values for a given getter on PipelineOptions. When a property on a PipelineOptions is fetched, and is currently unset, the default value factory will be instantiated and invoked.
Care must be taken to not produce an infinite loop when accessing other fields on the PipelineOptions object.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`T`	`create(PipelineOptions options)`	Creates a default value for a getter marked with `Default.InstanceFactory`.

- Method Detail
  - create
```
T create(PipelineOptions options)
```
    Creates a default value for a getter marked with Default.InstanceFactory.
    
    Parameters:
    
    options - The current pipeline options.
    
    Returns:
    
    The default value to be used for the annotated getter.