net.sf.eos.hadoop
Interface DistributedCacheStrategy

All Known Implementing Classes:

FullyDistributedCacheStrategy, TestDistributedCacheStrategy

public interface DistributedCacheStrategy

Supports different strategies to fetch the cache path.

Author:

Sascha Kohlmann

See Also:

FullyDistributedCacheStrategy, TestDistributedCacheStrategy

Field Summary

static String

STRATEGY_IMPL_CONFIG_NAME The key for the name of the strategy implementing class.

Method Summary

Path[]

distributedCachePathes(JobConf conf) Strategies implementing classes must implement this method.

Field Detail

STRATEGY_IMPL_CONFIG_NAME

@ConfigurationKey(type=CLASSNAME,
                  description="Supports different strategies to fetch the cache path.")
static final String STRATEGY_IMPL_CONFIG_NAME

The key for the name of the strategy implementing class.

See Also:

Constant Field Values

Method Detail

distributedCachePathes

Path[] distributedCachePathes(JobConf conf)
                              throws IOException

Strategies implementing classes must implement this method.

Parameters:

conf - the environment configuration to get the cache

Returns:

pathes to the chache.

Throws:

IOException - if an error occurs