CachingBuildEngineDelegate (Buck)

All Known Implementing Classes:

LocalCachingBuildEngineDelegate
```
public interface CachingBuildEngineDelegate
```
Functionality used in the CachingBuildEngine when running a distributed build.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`FileHashCache`	`getFileHashCache()`
`void`	`onRuleAboutToBeBuilt(BuildRule buildRule)`	Called right before the rule is going to be built.

- Method Detail
  - getFileHashCache
```
FileHashCache getFileHashCache()
```
  - onRuleAboutToBeBuilt
```
void onRuleAboutToBeBuilt(BuildRule buildRule)
```
    Called right before the rule is going to be built. This is when direct inputs to the rule would get materialized on disk.
    
    Parameters:
    
    buildRule - rule that is about to be built.