TestPState (Rama Javadocs)

All Superinterfaces:: AutoCloseable, Closeable

public interface TestPState extends Closeable

Helper utility compatible with Block.localSelect(java.lang.String, com.rpl.rama.Path) and Block.localTransform(java.lang.String, com.rpl.rama.Path). This can be used in unit tests of snippets of dataflow code, or it can be used to explore PStates and paths. This object should be closed when no longer needed to clean up its resources.

Method Summary

Modifier and Type

Method

Description

static TestPState

create(PState.Schema schema)

Creates a TestPState with the given schema.

static TestPState

create(Class schema)

Creates a TestPState with the given schema.

<T> List<T>

select(Path path)

Queries PState with Path.

<T> T

selectOne(Path path)

Queries PState with Path that must navigate to exactly one value.

void

transform(Path path)

Transforms PState with Path.

Methods inherited from interface java.io.Closeable
close

Method Details
- create
  
  static TestPState create(PState.Schema schema)
  
  Creates a TestPState with the given schema.
- create
  
  static TestPState create(Class schema)
  
  Creates a TestPState with the given schema.
- select
  
  <T> List<T> select(Path path)
  
  Queries PState with Path.
  Type Parameters:
  
  T - Type of navigated values
  
  Parameters:
  
  path - Query path
  
  Returns:
  
  List of navigated values
  
  See Also:
  
  Paths documentation
- selectOne
  
  <T> T selectOne(Path path)
  
  Queries PState with Path that must navigate to exactly one value.
  Type Parameters:
  
  T - Type of navigated value
  
  Parameters:
  
  path - Query path
  
  Returns:
  
  Navigated value
  
  See Also:
  
  Paths documentation
- transform
  
  void transform(Path path)
  
  Transforms PState with Path.
  Parameters:
  
  path - transform path
  
  See Also:
  
  Paths documentation