Module org.neo4j.driver

Package org.neo4j.driver.internal.summary

Class InternalProfiledPlan

java.lang.Object

org.neo4j.driver.internal.summary.InternalPlan<ProfiledPlan>

org.neo4j.driver.internal.summary.InternalProfiledPlan

All Implemented Interfaces:

Plan, ProfiledPlan

public class InternalProfiledPlan
extends InternalPlan<ProfiledPlan>
implements ProfiledPlan

Field Summary

Fields

Modifier and Type	Field	Description
static final Function<Value,ProfiledPlan>	PROFILED_PLAN_FROM_VALUE	Builds a regular plan without profiling information - eg.

Fields inherited from class org.neo4j.driver.internal.summary.InternalPlan

EXPLAIN_PLAN_FROM_VALUE

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	InternalProfiledPlan(String operatorType, Map<String,Value> arguments, List<String> identifiers, List<ProfiledPlan> children, long dbHits, long records, long pageCacheHits, long pageCacheMisses, double pageCacheHitRatio, long time)

Method Summary

Modifier and Type	Method	Description
long	dbHits()
boolean	hasPageCacheStats()
double	pageCacheHitRatio()
long	pageCacheHits()
long	pageCacheMisses()
long	records()
long	time()

Methods inherited from class org.neo4j.driver.internal.summary.InternalPlan

arguments, children, equals, hashCode, identifiers, operatorType, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

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

arguments, identifiers, operatorType

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

children

Field Details

PROFILED_PLAN_FROM_VALUE

public static final Function<Value,ProfiledPlan> PROFILED_PLAN_FROM_VALUE

Builds a regular plan without profiling information - eg. a plan that came as a result of an `EXPLAIN` query

Constructor Details

InternalProfiledPlan

protected InternalProfiledPlan(String operatorType,
 Map<String,Value> arguments,
 List<String> identifiers,
 List<ProfiledPlan> children,
 long dbHits,
 long records,
 long pageCacheHits,
 long pageCacheMisses,
 double pageCacheHitRatio,
 long time)

Method Details

dbHits

public long dbHits()

Specified by:

dbHits in interface ProfiledPlan

Returns:

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

records

public long records()

Specified by:

records in interface ProfiledPlan

Returns:

the number of records this part of the plan produced

hasPageCacheStats

public boolean hasPageCacheStats()

Specified by:

hasPageCacheStats in interface ProfiledPlan

Returns:

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

pageCacheHits

public long pageCacheHits()

Specified by:

pageCacheHits in interface ProfiledPlan

Returns:

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

pageCacheMisses

public long pageCacheMisses()

Specified by:

pageCacheMisses in interface ProfiledPlan

Returns:

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

pageCacheHitRatio

public double pageCacheHitRatio()

Specified by:

pageCacheHitRatio in interface ProfiledPlan

Returns:

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

time

public long time()

Specified by:

time in interface ProfiledPlan

Returns:

amount of time spent in the associated execution step.