com.fizzgate.schema

类 CollectorContext

java.lang.Object

com.fizzgate.schema.CollectorContext

public class CollectorContext
extends Object

Context for holding the output returned by the Collector implementations.

字段概要

字段

限定符和类型	字段和说明
(专用程序包) static String	COLLECTOR_CONTEXT_THREAD_LOCAL_KEY

构造器概要

构造器

构造器和说明
CollectorContext()

方法概要

限定符和类型	方法和说明
<E> void	add(String name, Collector<E> collector) Adds a collector with give name.
<E> void	add(String name, Object object) Adds a collector or a simple object with give name.
void	combineWithCollector(String name, Object data) Combines data with Collector identified by the given name.
Object	get(String name) Gets the data associated with a given name.
Map<String,Object>	getAll() Returns all the collected data.
static CollectorContext	getInstance()
(专用程序包) void	loadCollectors() Loads data from all collectors.
(专用程序包) void	reset() Reset the context

从类继承的方法 java.lang.Object

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

字段详细资料

COLLECTOR_CONTEXT_THREAD_LOCAL_KEY

static final String COLLECTOR_CONTEXT_THREAD_LOCAL_KEY

另请参阅:

常量字段值

构造器详细资料

CollectorContext

public CollectorContext()

方法详细资料

getInstance

public static CollectorContext getInstance()

add

public <E> void add(String name,
                    Collector<E> collector)

Adds a collector with give name. Preserving this method for backward compatibility.

类型参数:

E - element

参数:

name - String

collector - Collector

add

public <E> void add(String name,
                    Object object)

Adds a collector or a simple object with give name.

类型参数:

E - element

参数:

object - Object

name - String

get

public Object get(String name)

Gets the data associated with a given name. Please note if you are collecting Collector instances you should wait till the validation is complete to gather all data.

When CollectorContext is used to collect Collector instances for a particular key, this method will return the Collector instance as long as loadCollectors() method is not called. Once the loadCollectors() method is called this method will return the actual data collected by collector.

参数:

name - String

返回:

Object

getAll

public Map<String,Object> getAll()

Returns all the collected data. Please look into get(String) method for more details.

combineWithCollector

public void combineWithCollector(String name,
                                 Object data)

Combines data with Collector identified by the given name.

参数:

name - String

data - Object

reset

void reset()

Reset the context

loadCollectors

void loadCollectors()

Loads data from all collectors.