org.neo4j.driver.summary

Interface ProfiledPlan

All Superinterfaces:

Plan

public interface ProfiledPlan
extends Plan

This is the same as a regular Plan - except this plan has been executed, meaning it also contains detailed information about how much work each step of the plan incurred on the database.

Since:

1.0

Method Summary

Modifier and Type	Method and Description
List<ProfiledPlan>	children() As noted in the class-level javadoc, a plan is a tree, where each child is another plan.
long	dbHits()
boolean	hasPageCacheStats()
double	pageCacheHitRatio()
long	pageCacheHits()
long	pageCacheMisses()
long	records()
long	time()

Methods inherited from interface org.neo4j.driver.summary.Plan

arguments, identifiers, operatorType

Method Detail

dbHits

long dbHits()

Returns:

the number of times this part of the plan touched the underlying data stores

records

long records()

Returns:

the number of records this part of the plan produced

hasPageCacheStats

boolean hasPageCacheStats()

Returns:

if the number page cache hits and misses and the ratio was recorded.

pageCacheHits

long pageCacheHits()

Returns:

number of page cache hits caused by executing the associated execution step

pageCacheMisses

long pageCacheMisses()

Returns:

number of page cache misses caused by executing the associated execution step

pageCacheHitRatio

double pageCacheHitRatio()

Returns:

the ratio of page cache hits to total number of lookups or 0 if no data is available

time

long time()

Returns:

amount of time spent in the associated execution step.

children

List<ProfiledPlan> children()

Description copied from interface: Plan

As noted in the class-level javadoc, a plan is a tree, where each child is another plan. The children are where this part of the plan gets its input records - unless this is an operator that introduces new records on its own.

Specified by:

children in interface Plan

Returns:

zero or more child plans.