StatisticsSearcher (container-search 7.507.96 API)

java.lang.Object
- com.yahoo.component.AbstractComponent
- - com.yahoo.component.chain.ChainedComponent
  - - com.yahoo.processing.Processor
    - - com.yahoo.search.Searcher
      - com.yahoo.prelude.statistics.StatisticsSearcher

All Implemented Interfaces:

com.yahoo.component.Component, com.yahoo.component.Deconstructable, Comparable<com.yahoo.component.Component>
```
public class StatisticsSearcher
extends Searcher
```
A searcher to gather statistics such as queries completed and query latency. There may be more than 1 StatisticsSearcher in the Searcher chain, each identified by a Searcher ID. The statistics accumulated by all StatisticsSearchers are stored in the singleton StatisticsManager object.

TODO: Fix events to handle more than one of these searchers properly.

Author:

Gene Meyers, Steinar Knutsen, bergum

Field Summary
- Fields inherited from class com.yahoo.component.AbstractComponent
  isDeconstructable

Constructor Summary

Constructors
Constructor Description

StatisticsSearcher(com.yahoo.jdisc.Metric metric, com.yahoo.metrics.simple.MetricReceiver metricReceiver)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`deconstruct()`
`Result`	`search(Query query, Execution execution)`	Generate statistics for the query passing through this Searcher 1) Add 1 to total query count 2) Add response time to total response time (time from entry to return) 3) .....

Methods inherited from class com.yahoo.search.Searcher
ensureFilled, fill, getLogger, process, toString

Methods inherited from class com.yahoo.component.chain.ChainedComponent
getAnnotatedDependencies, getDefaultAnnotatedDependencies, getDependencies, initDependencies

Methods inherited from class com.yahoo.component.AbstractComponent
clone, compareTo, getClassName, getId, getIdString, hasInitializedId, initId, isDeconstructable, setIsDeconstructable

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

- Constructor Detail
  - StatisticsSearcher
```
public StatisticsSearcher(com.yahoo.jdisc.Metric metric,
                          com.yahoo.metrics.simple.MetricReceiver metricReceiver)
```
- Method Detail
  - deconstruct
```
public void deconstruct()
```
    Specified by:
    
    deconstruct in interface com.yahoo.component.Deconstructable
    
    Overrides:
    
    deconstruct in class com.yahoo.component.AbstractComponent
  - search
```
public Result search(Query query,
                     Execution execution)
```
    Generate statistics for the query passing through this Searcher 1) Add 1 to total query count 2) Add response time to total response time (time from entry to return) 3) .....
    
    Specified by:
    
    search in class Searcher
    
    Parameters:
    
    query - the query
    
    Returns:
    
    the result of making this query