io.ebean.meta

Interface MetaInfoManager

public interface MetaInfoManager

Provides access to the meta data in EbeanServer such as query execution statistics.

Method Summary

Modifier and Type	Method and Description
List<MetaOrmQueryNode>	collectNodeStatistics(boolean reset) Collect and return the ObjectGraphNode statistics.
List<MetaQueryPlan>	collectQueryPlans(QueryPlanRequest request) Collect query plans.
void	resetAllMetrics() Just reset all the metrics.
BasicMetricVisitor	visitBasic() Run a visit collecting all the metrics and returning BasicMetricVisitor which holds all the metrics in simple lists.
void	visitMetrics(MetricVisitor visitor) Visit the metrics resetting and collecting/reporting as desired.

Method Detail

collectQueryPlans

List<MetaQueryPlan> collectQueryPlans(QueryPlanRequest request)

Collect query plans.

visitMetrics

void visitMetrics(MetricVisitor visitor)

Visit the metrics resetting and collecting/reporting as desired.

visitBasic

BasicMetricVisitor visitBasic()

Run a visit collecting all the metrics and returning BasicMetricVisitor which holds all the metrics in simple lists.

resetAllMetrics

void resetAllMetrics()

Just reset all the metrics. Maybe only useful for testing purposes.

collectNodeStatistics

List<MetaOrmQueryNode> collectNodeStatistics(boolean reset)

Collect and return the ObjectGraphNode statistics.

These show query executions based on an origin point and relative path. This is used to look at the amount of lazy loading occurring for a given query origin point and highlight potential for tuning a query.

Parameters:

reset - Set to true to reset the underlying statistics after collection.