org.springframework.analytics.metrics.memory

Class InMemoryFieldValueCounterRepository

java.lang.Object

org.springframework.analytics.metrics.memory.InMemoryFieldValueCounterRepository

All Implemented Interfaces:

FieldValueCounterReader, FieldValueCounterRepository, FieldValueCounterWriter

public class InMemoryFieldValueCounterRepository
extends Object
implements FieldValueCounterRepository

Memory backed implementation of FieldValueCounterRepository that uses a ConcurrentMap

Author:

Mark Pollack, Ilayaperumal Gopinathan

Constructor Summary

Constructors

Constructor and Description
InMemoryFieldValueCounterRepository()

Method Summary

Methods

Modifier and Type	Method and Description
void	decrement(String name, String fieldName, double score) Decrement the FieldValueCounter for a given field name by score, creating missing counters.
FieldValueCounter	findOne(String name) Retrieve a single counter by name.
void	increment(String name, String fieldName, double score) Increment the FieldValueCounter for a given field name by score, creating missing counters.
Collection<String>	list() List the names of all available counters.
void	reset(String name) Reset the given FieldValueCounter.

Methods inherited from class java.lang.Object

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

Constructor Detail

InMemoryFieldValueCounterRepository

public InMemoryFieldValueCounterRepository()

Method Detail

increment

public void increment(String name,
             String fieldName,
             double score)

Description copied from interface: FieldValueCounterWriter

Increment the FieldValueCounter for a given field name by score, creating missing counters.

Specified by:

increment in interface FieldValueCounterWriter

Parameters:

name - the FieldValueCounter name

fieldName - the name of the field

score - the incremental value

decrement

public void decrement(String name,
             String fieldName,
             double score)

Description copied from interface: FieldValueCounterWriter

Decrement the FieldValueCounter for a given field name by score, creating missing counters.

Specified by:

decrement in interface FieldValueCounterWriter

Parameters:

name - the FieldValueCounter name

fieldName - the name of the field

score - the decremental value

reset

public void reset(String name)

Description copied from interface: FieldValueCounterWriter

Reset the given FieldValueCounter.

Specified by:

reset in interface FieldValueCounterWriter

Parameters:

name - the FieldValueCounter name

findOne

public FieldValueCounter findOne(String name)

Description copied from interface: FieldValueCounterReader

Retrieve a single counter by name.

Specified by:

findOne in interface FieldValueCounterReader

Parameters:

name - the name of the counter

Returns:

the counter

list

public Collection<String> list()

Description copied from interface: FieldValueCounterReader

List the names of all available counters.

Specified by:

list in interface FieldValueCounterReader

Returns:

the names of all available counters.