com.rpl.rama.test

Interface TestPState

All Superinterfaces:

java.lang.AutoCloseable, java.io.Closeable

public interface TestPState
extends java.io.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 and Description
static TestPState	create(java.lang.Class schema) Creates a TestPState with the given schema.
static TestPState	create(PState.Schema schema) Creates a TestPState with the given schema.
<T> java.util.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 Detail

create

static TestPState create(PState.Schema schema)

Creates a TestPState with the given schema.

create

static TestPState create(java.lang.Class schema)

Creates a TestPState with the given schema.

select

<T> java.util.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