public class HadoopMRUtil extends java.lang.Object
Constructor and Description |
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HadoopMRUtil() |
Modifier and Type | Method and Description |
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static java.util.Map<Path,Path> |
addToClassPath(Configuration config,
java.util.List<java.lang.String> classpath)
Add to class path.
|
static boolean |
hasReducer(JobConf jobConf) |
static java.lang.String |
readStateFromDistCache(JobConf jobConf,
java.lang.String id,
java.lang.String kind) |
static java.lang.String |
writeStateToDistCache(JobConf conf,
java.lang.String id,
java.lang.String kind,
java.lang.String stepState) |
public HadoopMRUtil()
public static java.lang.String writeStateToDistCache(JobConf conf, java.lang.String id, java.lang.String kind, java.lang.String stepState)
public static java.lang.String readStateFromDistCache(JobConf jobConf, java.lang.String id, java.lang.String kind) throws java.io.IOException
java.io.IOException
public static java.util.Map<Path,Path> addToClassPath(Configuration config, java.util.List<java.lang.String> classpath)
config
- the configclasspath
- the classpathpublic static boolean hasReducer(JobConf jobConf)
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