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java.lang.Object org.springframework.data.hadoop.mapreduce.ToolRunner
public class ToolRunner
Wrapper around ToolRunner
allowing for an easier configuration and execution
of Tool
instances inside Spring.
Optionally returns the execution result (as an int per Tool.run(String[])
).
setRunAtStartup(boolean)
.
Constructor Summary | |
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ToolRunner()
|
Method Summary | |
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void |
afterPropertiesSet()
|
Integer |
call()
|
protected ClassLoader |
createClassLoaderForJar(Resource jar,
ClassLoader parentCL,
Configuration cfg)
|
protected Integer |
invokeTargetObject(Configuration cfg,
Tool target,
Class<Tool> targetClass,
String[] args)
|
protected Class<Tool> |
loadClass(String className,
ClassLoader cl)
|
protected void |
postExecution(Configuration cfg)
|
protected void |
preExecution(Configuration cfg)
|
protected Configuration |
resolveConfiguration()
|
protected Class<T> |
resolveTargetClass(Configuration cfg)
|
protected T |
resolveTargetObject(Class<T> type)
|
void |
setArchives(Resource... archives)
Sets the archives to be unarchive to the map reduce cluster. |
void |
setArguments(String... arguments)
Sets the arguments. |
void |
setBeanClassLoader(ClassLoader classLoader)
|
void |
setCloseFs(boolean closeFs)
Indicates whether or not to close the Hadoop file-systems resulting from the custom code execution. |
void |
setConfiguration(Configuration configuration)
Sets the configuration. |
void |
setFiles(Resource... files)
Sets the files to be copied to the map reduce cluster. |
void |
setJar(Resource jar)
Sets the target code jar. |
void |
setLibs(Resource... libJars)
Sets the jar files to include in the classpath. |
void |
setPostAction(Collection<Callable<?>> actions)
Actions to be invoked after running the action. |
void |
setPreAction(Collection<Callable<?>> actions)
Actions to be invoked before running the action. |
void |
setProperties(Properties properties)
Sets the properties. |
void |
setRunAtStartup(boolean runAtStartup)
Indicates whether the tool should run at container startup (the default) or not. |
void |
setTool(Tool tool)
Sets the tool. |
void |
setToolClass(String toolClassName)
Sets the tool class by name. |
void |
setUser(String user)
Sets the user impersonation (optional) for running this job. |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public ToolRunner()
Method Detail |
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public Integer call() throws Exception
call
in interface Callable<Integer>
Exception
public void afterPropertiesSet() throws Exception
afterPropertiesSet
in interface InitializingBean
Exception
public void setRunAtStartup(boolean runAtStartup)
runAtStartup
- The runAtStartup to set.public void setPreAction(Collection<Callable<?>> actions)
actions
- public void setPostAction(Collection<Callable<?>> actions)
actions
- protected Integer invokeTargetObject(Configuration cfg, Tool target, Class<Tool> targetClass, String[] args) throws Exception
Exception
protected Class<Tool> loadClass(String className, ClassLoader cl)
public void setTool(Tool tool)
tool
- The tool to set.public void setToolClass(String toolClassName)
toolClassName
- the new tool classprotected Configuration resolveConfiguration()
protected Class<T> resolveTargetClass(Configuration cfg) throws Exception
Exception
protected T resolveTargetObject(Class<T> type)
protected ClassLoader createClassLoaderForJar(Resource jar, ClassLoader parentCL, Configuration cfg)
protected void preExecution(Configuration cfg)
protected void postExecution(Configuration cfg)
public void setJar(Resource jar)
jar
- public void setArguments(String... arguments)
arguments
- The arguments to set.public void setConfiguration(Configuration configuration)
configuration
- The configuration to set.public void setProperties(Properties properties)
properties
- The properties to set.public void setBeanClassLoader(ClassLoader classLoader)
setBeanClassLoader
in interface BeanClassLoaderAware
public void setCloseFs(boolean closeFs)
closeFs
- the new close fspublic void setLibs(Resource... libJars)
mydir/*.jar
), which the
Spring container will automatically resolve.
libJars
- The jar files to include in the classpath.public void setFiles(Resource... files)
mydir/*.txt
), which the
Spring container will automatically resolve.
files
- The files to copy.public void setArchives(Resource... archives)
mydir/*.zip
), which the
Spring container will automatically resolve.
archives
- The archives to unarchive on the compute machines.public void setUser(String user)
user
- user/group information
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