org.springframework.analytics.metrics.redis

Class RedisFieldValueCounterRepository

java.lang.Object

org.springframework.analytics.metrics.redis.RedisFieldValueCounterRepository

All Implemented Interfaces:

FieldValueCounterReader, FieldValueCounterRepository, FieldValueCounterWriter

public class RedisFieldValueCounterRepository
extends Object
implements FieldValueCounterRepository

Constructor Summary

Constructors

Constructor and Description
RedisFieldValueCounterRepository(org.springframework.data.redis.connection.RedisConnectionFactory connectionFactory, org.springframework.retry.RetryOperations retryOperations)
RedisFieldValueCounterRepository(org.springframework.data.redis.connection.RedisConnectionFactory connectionFactory, String metricPrefix, org.springframework.retry.RetryOperations retryOperations)

Method Summary

Methods

Modifier and Type	Method and Description
void	decrement(String counterName, 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.
protected String	getMetricKey(String metricName) Provides the key for a named metric.
protected Map<String,Double>	getZSetData(String counterKey)
void	increment(String counterName, 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 counterName) Reset the given FieldValueCounter.

Methods inherited from class java.lang.Object

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

Constructor Detail

RedisFieldValueCounterRepository

public RedisFieldValueCounterRepository(org.springframework.data.redis.connection.RedisConnectionFactory connectionFactory,
                                org.springframework.retry.RetryOperations retryOperations)

RedisFieldValueCounterRepository

public RedisFieldValueCounterRepository(org.springframework.data.redis.connection.RedisConnectionFactory connectionFactory,
                                String metricPrefix,
                                org.springframework.retry.RetryOperations retryOperations)

Method Detail

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.

increment

public void increment(String counterName,
             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:

counterName - the FieldValueCounter name

fieldName - the name of the field

score - the incremental value

decrement

public void decrement(String counterName,
             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:

counterName - the FieldValueCounter name

fieldName - the name of the field

score - the decremental value

reset

public void reset(String counterName)

Description copied from interface: FieldValueCounterWriter

Reset the given FieldValueCounter.

Specified by:

reset in interface FieldValueCounterWriter

Parameters:

counterName - the FieldValueCounter name

getMetricKey

protected String getMetricKey(String metricName)

Provides the key for a named metric. By default this prepends the name to the metricPrefix value.

Parameters:

metricName - the name of the metric

Returns:

the redis key under which the metric is stored

getZSetData

protected Map<String,Double> getZSetData(String counterKey)