com.facebook.buck.core.graph.transformation.impl

Class NoOpGraphEngineCache<Key extends ComputeKey<Value>,Value extends ComputeResult>

java.lang.Object

com.facebook.buck.core.graph.transformation.impl.NoOpGraphEngineCache<Key,Value>

All Implemented Interfaces:

GraphEngineCache<Key,Value>

public class NoOpGraphEngineCache<Key extends ComputeKey<Value>,Value extends ComputeResult>
extends Object
implements GraphEngineCache<Key,Value>

Graph Engine cache that does not store result, and always returns nothing on get. Can be used for testing or fast transformations that do not benefit from caching intermediate data.

Constructor Summary

Constructors

Constructor and Description
NoOpGraphEngineCache()

Method Summary

Modifier and Type	Method and Description
Optional<Value>	get(Key key) Optionally returns the cached result given the key
void	put(Key key, Value value) Offers the given key and value for caching

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NoOpGraphEngineCache

public NoOpGraphEngineCache()

Method Detail

get

public Optional<Value> get(Key key)

Description copied from interface: GraphEngineCache

Optionally returns the cached result given the key

Specified by:

get in interface GraphEngineCache<Key extends ComputeKey<Value>,Value extends ComputeResult>

Parameters:

key - The desired key

Returns:

the result if cached, otherwise an empty Optional

put

public void put(Key key,
                Value value)

Description copied from interface: GraphEngineCache

Offers the given key and value for caching

Specified by:

put in interface GraphEngineCache<Key extends ComputeKey<Value>,Value extends ComputeResult>

Parameters:

key - the key to cache

value - the value to cache