org.apache.hadoop.tools.rumen

类 JobTraceReader

java.lang.Object

org.apache.hadoop.tools.rumen.JobTraceReader

所有已实现的接口:

Closeable, AutoCloseable

public class JobTraceReader
extends Object

Reading JSON-encoded job traces and produce LoggedJob instances.

构造器概要

构造器

构造器和说明
JobTraceReader(InputStream input) Constructor.
JobTraceReader(Path path, Configuration conf) Constructor.

方法概要

方法

限定符和类型	方法和说明
void	close()
T	getNext() Get the next object from the trace.

从类继承的方法 java.lang.Object

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

构造器详细资料

JobTraceReader

public JobTraceReader(Path path,
              Configuration conf)
               throws IOException

Constructor.

参数:

path - Path to the JSON trace file, possibly compressed.

conf -

抛出:

IOException

JobTraceReader

public JobTraceReader(InputStream input)
               throws IOException

Constructor.

参数:

input - The input stream for the JSON trace.

抛出:

IOException

方法详细资料

getNext

public T getNext()
          throws IOException

Get the next object from the trace.

返回:

The next instance of the object. Or null if we reach the end of stream.

抛出:

IOException

close

public void close()
           throws IOException

指定者:

close 在接口中 Closeable

指定者:

close 在接口中 AutoCloseable

抛出:

IOException