Package org.javers.repository.jql

Class JqlQuery

java.lang.Object

org.javers.repository.jql.JqlQuery

public class JqlQuery
extends java.lang.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 java.lang.String	JQL_LOGGER_NAME

Method Summary

Modifier and Type	Method	Description
java.util.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()
java.util.Optional<org.javers.repository.jql.ShadowStreamQueryRunner.ShadowStreamStats>	streamStats()	Full statistics from Shadow query execution.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

JQL_LOGGER_NAME

public static final java.lang.String JQL_LOGGER_NAME

See Also:

Constant Field Values

Method Detail

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

isAggregate

public boolean isAggregate()

getMaxGapsToFill

public int getMaxGapsToFill()

getShadowScope

public ShadowScope getShadowScope()

streamStats

public java.util.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 java.util.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()