Package io.jmix.data.impl.jpql.generator

Class PropertyConditionGenerator

java.lang.Object

io.jmix.data.impl.jpql.generator.PropertyConditionGenerator

All Implemented Interfaces:

ConditionGenerator<PropertyCondition>

Direct Known Subclasses:

DynAttrPropertyConditionGenerator, DynModelPropertyConditionGenerator, KeyValuePropertyConditionGenerator

@Component("data_PropertyConditionGenerator")
@Order(1000)
public class PropertyConditionGenerator
extends Object
implements ConditionGenerator<PropertyCondition>

Field Summary

Fields

Modifier and Type	Field	Description
protected DataProperties	dataProperties
protected @Nullable InIntervalParametersResolver	inIntervalResolver
protected String	joinAliasPrefix
protected Metadata	metadata
protected MetadataTools	metadataTools
protected boolean	useInnerJoinInCondition

Constructor Summary

Constructors

Constructor	Description
PropertyConditionGenerator(MetadataTools metadataTools, Metadata metadata)

Method Summary

Modifier and Type	Method	Description
String	generateJoin(ConditionGenerationContext context)	Returns a JPQL 'join' clause modified according to the given context.
@Nullable Object	generateParameterValue(@Nullable Condition condition, @Nullable Object parameterValue, @Nullable String entityName)	Returns a parameter value modified according to the given condition.
protected String	generateWhere(PropertyCondition propertyCondition, String entityAlias, @Nullable String property, boolean isElementCollection)
String	generateWhere(ConditionGenerationContext context)	Returns a JPQL 'where' clause modified according to the given context.
protected String	getLikeEscapeClause(PropertyCondition propertyCondition)	Returns a trailing ESCAPE clause for LIKE-based operations so that _ and % produced by QueryUtils.escapeForLike(String) are recognised as literals by the database.
protected String	getProperty(String property, @Nullable String entityName)
protected boolean	isCrossDataStoreReference(String property, @Nullable String entityName)
protected boolean	isNegativeComparison(String operation)
Map<String,Object>	processParameters(Map<String,Object> parameters, Map<String,Object> queryParameters, PropertyCondition condition, @Nullable String entityName)	Returns parameters modified according to the given condition.
void	setDataProperties(DataProperties dataProperties)
void	setInIntervalResolver(InIntervalParametersResolver inIntervalResolver)
boolean	supports(ConditionGenerationContext context)	Checks whether the condition generator supports the given context.

Methods inherited from class java.lang.Object

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

Field Details

metadataTools

protected MetadataTools metadataTools

metadata

protected Metadata metadata

dataProperties

protected DataProperties dataProperties

inIntervalResolver

protected @Nullable InIntervalParametersResolver inIntervalResolver

useInnerJoinInCondition

@Value("${jmix.eclipselink.use-inner-join-in-condition:false}")
protected boolean useInnerJoinInCondition

joinAliasPrefix

@Value("${jmix.eclipselink.condition-join-alias-prefix:cje_}")
protected String joinAliasPrefix

Constructor Details

PropertyConditionGenerator

@Autowired
public PropertyConditionGenerator(MetadataTools metadataTools,
 Metadata metadata)

Method Details

setDataProperties

@Autowired
public void setDataProperties(DataProperties dataProperties)

setInIntervalResolver

@Autowired(required=false)
public void setInIntervalResolver(InIntervalParametersResolver inIntervalResolver)

supports

public boolean supports(ConditionGenerationContext context)

Description copied from interface: ConditionGenerator

Checks whether the condition generator supports the given context.

Specified by:

supports in interface ConditionGenerator<PropertyCondition>

Parameters:

context - condition generation context

Returns:

true if the condition generator supports the given context, or false otherwise

generateJoin

public String generateJoin(ConditionGenerationContext context)

Description copied from interface: ConditionGenerator

Returns a JPQL 'join' clause modified according to the given context.

Specified by:

generateJoin in interface ConditionGenerator<PropertyCondition>

Parameters:

context - condition generation context

Returns:

a JPQL 'join' clause modified according to the given context

generateWhere

public String generateWhere(ConditionGenerationContext context)

Description copied from interface: ConditionGenerator

Returns a JPQL 'where' clause modified according to the given context.

Specified by:

generateWhere in interface ConditionGenerator<PropertyCondition>

Parameters:

context - condition generation context

Returns:

a JPQL 'where' clause modified according to the given context

processParameters

public Map<String,Object> processParameters(Map<String,Object> parameters,
 Map<String,Object> queryParameters,
 PropertyCondition condition,
 @Nullable String entityName)

Description copied from interface: ConditionGenerator

Returns parameters modified according to the given condition.

Specified by:

processParameters in interface ConditionGenerator<PropertyCondition>

Parameters:

parameters - result parameters

queryParameters - query parameters

condition - the condition

Returns:

modified parameters

generateParameterValue

public @Nullable Object generateParameterValue(@Nullable Condition condition,
 @Nullable Object parameterValue,
 @Nullable String entityName)

Description copied from interface: ConditionGenerator

Returns a parameter value modified according to the given condition.

Specified by:

generateParameterValue in interface ConditionGenerator<PropertyCondition>

Parameters:

condition - a condition

parameterValue - parameter value

entityName - entity name

Returns:

a modified parameter value

generateWhere

protected String generateWhere(PropertyCondition propertyCondition,
 String entityAlias,
 @Nullable String property,
 boolean isElementCollection)

getLikeEscapeClause

protected String getLikeEscapeClause(PropertyCondition propertyCondition)

Returns a trailing ESCAPE clause for LIKE-based operations so that _ and % produced by QueryUtils.escapeForLike(String) are recognised as literals by the database. Empty for non-LIKE operations.

getProperty

protected String getProperty(String property,
 @Nullable String entityName)

isCrossDataStoreReference

protected boolean isCrossDataStoreReference(String property,
 @Nullable String entityName)

isNegativeComparison

protected boolean isNegativeComparison(String operation)