com.asakusafw.runtime.util.cache

Class NullBatchFileCacheRepository

java.lang.Object

com.asakusafw.runtime.util.cache.NullBatchFileCacheRepository

All Implemented Interfaces:

BatchFileCacheRepository

public class NullBatchFileCacheRepository
extends Object
implements BatchFileCacheRepository

Null implementation of BatchFileCacheRepository. This implementation does not create any cache files, always returns original file path.

Since:

0.7.0

Constructor Summary

Constructors

Constructor and Description
NullBatchFileCacheRepository()

Method Summary

Modifier and Type	Method and Description
Map<org.apache.hadoop.fs.Path,org.apache.hadoop.fs.Path>	resolve(List<? extends org.apache.hadoop.fs.Path> files) Put files into remote cache and returns a mapping original files into cached path.

Methods inherited from class java.lang.Object

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

Constructor Detail

NullBatchFileCacheRepository

public NullBatchFileCacheRepository()

Method Detail

resolve

public Map<org.apache.hadoop.fs.Path,org.apache.hadoop.fs.Path> resolve(List<? extends org.apache.hadoop.fs.Path> files)
                                                                 throws IOException,
                                                                        InterruptedException

Description copied from interface: BatchFileCacheRepository

Put files into remote cache and returns a mapping original files into cached path.

Specified by:

resolve in interface BatchFileCacheRepository

Parameters:

files - the target file paths

Returns:

the resolved mapping original files into cached path; the cached path may be null if this cannot prepare cache for the corresponding original file

Throws:

IOException - if failed to put the file into cache

InterruptedException - if interrupted while resolving cache file