CPUParser (Hadoop 1.2.1 API)
Date: 2013-07-22

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## org.apache.hadoop.contrib.failmon
Class CPUParser

    java.lang.Object
      org.apache.hadoop.contrib.failmon.ShellParser
          org.apache.hadoop.contrib.failmon.CPUParser

All Implemented Interfaces:
  Monitored

    public class CPUParser

extends ShellParser

Objects of this class parse the /proc/cpuinfo file to gather information about present processors in the system.

Constructor Summary
`CPUParser()` Constructs a CPUParser

Method Summary
`String` | `getInfo()` Return a String with information about this class
`EventRecord[]` | `monitor()` Invokes query() to do the parsing and handles parsing errors.
`EventRecord` | `query(String s)` Reads and parses /proc/cpuinfo and creates an appropriate EventRecord that holds the desirable information.

Methods inherited from class org.apache.hadoop.contrib.failmon.ShellParser
`findAll, findPattern, monitor`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### CPUParser

    public CPUParser()

  Constructs a CPUParser

Method Detail

### query

    public EventRecord query(String s)
                      throws Exception

  Reads and parses /proc/cpuinfo and creates an appropriate EventRecord that holds the desirable information.

  Specified by:
    `query` in class `ShellParser`
  Parameters:
    `s` - unused parameter
  Returns:
    the EventRecord created
  Throws:
    `Exception`

### monitor

    public EventRecord[] monitor()

  Invokes query() to do the parsing and handles parsing errors.

  Specified by:
    `monitor` in interface `Monitored`
  Specified by:
    `monitor` in class `ShellParser`
  Returns:
    an array of EventRecords that holds one element that represents the current state of /proc/cpuinfo

### getInfo

    public String getInfo()

  Return a String with information about this class

  Returns:
    A String describing this class

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