org.terracotta.management.registry
Class DefaultStatisticQuery

java.lang.Object
  org.terracotta.management.registry.DefaultStatisticQuery

All Implemented Interfaces:

Query<ContextualStatistics>, StatisticQuery

public class DefaultStatisticQuery
extends Object
implements StatisticQuery

Author:

Mathieu Carbou

Nested Class Summary

Nested classes/interfaces inherited from interface org.terracotta.management.registry.StatisticQuery

StatisticQuery.Builder

Constructor Summary

DefaultStatisticQuery(CapabilityManagementSupport capabilityManagement, String capabilityName, Collection<String> statisticNames, Collection<Context> contexts, long since)

Method Summary

ResultSet<ContextualStatistics>	execute()
String	getCapabilityName()
Collection<Context>	getContexts()
long	getSince() The query will only collect statistics computed since this time.
Collection<String>	getStatisticNames()

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultStatisticQuery

public DefaultStatisticQuery(CapabilityManagementSupport capabilityManagement,
                             String capabilityName,
                             Collection<String> statisticNames,
                             Collection<Context> contexts,
                             long since)

Method Detail

getCapabilityName

public String getCapabilityName()

Specified by:

getCapabilityName in interface Query<ContextualStatistics>

Returns:

The capability name used for this query

getContexts

public Collection<Context> getContexts()

Specified by:

getContexts in interface Query<ContextualStatistics>

Returns:

The list of context targeted by this query

getStatisticNames

public Collection<String> getStatisticNames()

Specified by:

getStatisticNames in interface StatisticQuery

Returns:

The list of statistic queried

getSince

public long getSince()

Description copied from interface: StatisticQuery

The query will only collect statistics computed since this time. This allows for example to filter out the list of returned values within some Statistic such as RateHistory

Specified by:

getSince in interface StatisticQuery

Returns:

A unix timestamp

execute

public ResultSet<ContextualStatistics> execute()

Specified by:

execute in interface Query<ContextualStatistics>

Returns:

The list of results of this query against all contexts, in the same order and same position of the Query.getContexts() list