FilesStateStore

java.lang.Object

bm.machine.FilesStateStore

All Implemented Interfaces:: StateStore, AutoCloseable

public class FilesStateStore extends Object implements StateStore

Provides a state store with one file per target holding the target's state.

Pro: immediately written once a target is done, so even with a hard kill of the build process, targets already updated are recorded as such.

Cons: The target name is only minimally encoded to form a file name. Special characters in target names will fail on some file systems.

Constructor Summary

Constructors

Constructor

Description

FilesStateStore(Path stateStore)
Method Summary

Modifier and Type

Method

Description

byte[]

readHash(String targetName)

Gets a hash value for the given name.

void

saveHash(String targetName, byte[] hash)

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface bm.machine.StateStore
close

Constructor Details
- FilesStateStore
  
  public FilesStateStore(Path stateStore) throws BuildProblemException
  
  Throws:
  
  BuildProblemException
Method Details
- saveHash
  
  public void saveHash(String targetName, byte[] hash) throws BuildProblemException
  
  Specified by:
  
  saveHash in interface StateStore
  
  Throws:
  
  BuildProblemException
- readHash
  
  public byte[] readHash(String targetName) throws BuildProblemException
  
  Description copied from interface: StateStore
  
  Gets a hash value for the given name.
  
  Specified by:
  
  readHash in interface StateStore
  
  Returns:
  
  never null, if no hash is available, returns an empty array.
  
  Throws:
  
  BuildProblemException