Package org.javers.repository.jql

Class JqlQuery

java.lang.Object

org.javers.repository.jql.JqlQuery

public class JqlQuery
extends Object

JaversRepository query. Use it to query for object snapshots and object change history.

Queries should be created by QueryBuilder and executed with Javers.findChanges(JqlQuery) and Javers.findSnapshots(JqlQuery)

Field Summary

Fields

Modifier and Type	Field	Description
static final String	JQL_LOGGER_NAME

Method Summary

Modifier and Type	Method	Description
Optional<org.javers.repository.jql.ShadowQueryRunner.ShadowStats>	firstFrameStats()	Statistics from the first (frame) Shadow query executed by Javers.findShadows(JqlQuery) or Javers.findShadowsAndStream(JqlQuery).
int	getMaxGapsToFill()
ShadowScope	getShadowScope()
boolean	isAggregate()
Optional<org.javers.repository.jql.ShadowStreamQueryRunner.ShadowStreamStats>	streamStats()	Full statistics from Shadow query execution.
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

JQL_LOGGER_NAME

public static final String JQL_LOGGER_NAME

See Also:

• Constant Field Values

Method Details

toString

public String toString()

Overrides:

toString in class Object

isAggregate

public boolean isAggregate()

getMaxGapsToFill

public int getMaxGapsToFill()

getShadowScope

public ShadowScope getShadowScope()

streamStats

public Optional<org.javers.repository.jql.ShadowStreamQueryRunner.ShadowStreamStats> streamStats()

Full statistics from Shadow query execution. Contains joined stats from all frames.
If only one frame was needed (if QueryBuilder.snapshotQueryLimit(Integer) wasn't hit) — it's equiv to firstFrameStats().

Available only for Javers.findShadows(JqlQuery) and Javers.findShadowsAndStream(JqlQuery).

Usage:
System.out.println(query))
or
System.out.println(query.streamStats().get())

Detailed log from can printed by the org.javers.JQL logger:

<logger name="org.javers.JQL" level="DEBUG"/>
 

See Also:

• firstFrameStats()

firstFrameStats

public Optional<org.javers.repository.jql.ShadowQueryRunner.ShadowStats> firstFrameStats()

Statistics from the first (frame) Shadow query executed by Javers.findShadows(JqlQuery) or Javers.findShadowsAndStream(JqlQuery).
If only one frame was needed (if QueryBuilder.snapshotQueryLimit(Integer) wasn't hit) — it's equiv to streamStats().

Available only for Javers.findShadows(JqlQuery) and Javers.findShadowsAndStream(JqlQuery).

Usage:
System.out.println(query.firstFrameStats().get()) e

See Also:

• streamStats()