org.apache.jackrabbit.oak.query

Class QueryEngineSettings

java.lang.Object

javax.management.StandardMBean

org.apache.jackrabbit.oak.commons.jmx.AnnotatedStandardMBean

org.apache.jackrabbit.oak.query.QueryEngineSettings

All Implemented Interfaces:

javax.management.DynamicMBean, javax.management.MBeanRegistration, QueryEngineSettingsMBean

public class QueryEngineSettings
extends AnnotatedStandardMBean
implements QueryEngineSettingsMBean

Settings of the query engine.

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	SQL2_OPTIMISATION_FLAG the flag used to turn on/off the optimisations on top of the Query object.

Fields inherited from interface org.apache.jackrabbit.oak.api.jmx.QueryEngineSettingsMBean

TYPE

Constructor Summary

Constructors

Constructor and Description
QueryEngineSettings()

Method Summary

Modifier and Type	Method and Description
boolean	getFullTextComparisonWithoutIndex()
long	getLimitInMemory() Get the limit on how many nodes a query may read at most into memory, for "order by" and "distinct" queries.
long	getLimitReads() Get the limit on how many nodes a query may read at most (raw read operations, including skipped nodes).
boolean	isSql2Optimisation()
void	setFullTextComparisonWithoutIndex(boolean fullTextComparisonWithoutIndex)
void	setLimitInMemory(long limitInMemory) Change the limit.
void	setLimitReads(long limitReads) Change the limit.

Methods inherited from class javax.management.StandardMBean

getAttribute, getAttributes, getImplementation, getImplementationClass, getMBeanInfo, getMBeanInterface, invoke, postDeregister, postRegister, preDeregister, preRegister, setAttribute, setAttributes, setImplementation

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

SQL2_OPTIMISATION_FLAG

public static final java.lang.String SQL2_OPTIMISATION_FLAG

the flag used to turn on/off the optimisations on top of the Query object. -Doak.query.sql2optimisation

See Also:

Constant Field Values

Constructor Detail

QueryEngineSettings

public QueryEngineSettings()

Method Detail

getLimitInMemory

public long getLimitInMemory()

Get the limit on how many nodes a query may read at most into memory, for "order by" and "distinct" queries. If this limit is exceeded, the query throws an exception.

Specified by:

getLimitInMemory in interface QueryEngineSettingsMBean

Returns:

the limit

setLimitInMemory

public void setLimitInMemory(long limitInMemory)

Change the limit.

Specified by:

setLimitInMemory in interface QueryEngineSettingsMBean

Parameters:

limitInMemory - the new limit

getLimitReads

public long getLimitReads()

Get the limit on how many nodes a query may read at most (raw read operations, including skipped nodes). If this limit is exceeded, the query throws an exception.

Specified by:

getLimitReads in interface QueryEngineSettingsMBean

Returns:

the limit

setLimitReads

public void setLimitReads(long limitReads)

Change the limit.

Specified by:

setLimitReads in interface QueryEngineSettingsMBean

Parameters:

limitReads - the new limit

setFullTextComparisonWithoutIndex

public void setFullTextComparisonWithoutIndex(boolean fullTextComparisonWithoutIndex)

getFullTextComparisonWithoutIndex

public boolean getFullTextComparisonWithoutIndex()

isSql2Optimisation

public boolean isSql2Optimisation()