Package io.jmix.data.impl.jpql

Class QueryParserAstBased

java.lang.Object

io.jmix.data.impl.jpql.QueryParserAstBased

All Implemented Interfaces:

QueryParser

@Scope("prototype")
@Component("data_QueryParser")
public class QueryParserAstBased
extends Object
implements QueryParser

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static class	QueryParserAstBased.EntityNameAndPath

Nested classes/interfaces inherited from interface io.jmix.data.QueryParser

QueryParser.QueryPath

Field Summary

Fields

Modifier and Type	Field	Description
protected DomainModel	model
protected String	query
protected QueryTreeAnalyzer	queryAnalyzer
protected QueryTree	queryTree

Constructor Summary

Constructors

Constructor	Description
QueryParserAstBased(DomainModel model, String query)

Method Summary

Modifier and Type	Method	Description
Set<String>	getAllEntityNames()
protected QueryTreeAnalyzer	getAnalyzer()
String	getEntityAlias()
String	getEntityAlias(String entityType)	Main entity alias
String	getEntityName()	Main entity name
String	getOriginalEntityName()
String	getOriginalEntityPath()
protected QueryParserAstBased.EntityNameAndPath	getOriginEntityNameAndPath()
Set<String>	getParamNames()	Get all parameter names
List<QueryParser.QueryPath>	getQueryPaths()
List<String>	getSelectedExpressionsList()
protected QueryTree	getTree()
boolean	hasIsNotNullCondition(String attribute)
boolean	hasIsNullCondition(String attribute)
boolean	isCollectionOriginalEntitySelect()
boolean	isEntitySelect(String targetEntity)	Returns true if this is a standard select from an entity - not count() and not fields (e.id, etc.)
boolean	isParameterInCondition(String parameterName)
boolean	isParameterUsedInAnyCondition(String parameterName)
boolean	isQueryWithJoins()	Returns true if SELECT query contains joins

Methods inherited from class java.lang.Object

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

Field Details

model

protected DomainModel model

query

protected String query

queryTree

protected QueryTree queryTree

queryAnalyzer

protected QueryTreeAnalyzer queryAnalyzer

Constructor Details

QueryParserAstBased

public QueryParserAstBased(DomainModel model,
 String query)

Method Details

getTree

protected QueryTree getTree()

getAnalyzer

protected QueryTreeAnalyzer getAnalyzer()

getParamNames

public Set<String> getParamNames()

Description copied from interface: QueryParser

Get all parameter names

Specified by:

getParamNames in interface QueryParser

getAllEntityNames

public Set<String> getAllEntityNames()

Specified by:

getAllEntityNames in interface QueryParser

getEntityName

public String getEntityName()

Description copied from interface: QueryParser

Main entity name

Specified by:

getEntityName in interface QueryParser

getEntityAlias

public String getEntityAlias(String entityType)

Description copied from interface: QueryParser

Main entity alias

Specified by:

getEntityAlias in interface QueryParser

getEntityAlias

public String getEntityAlias()

Specified by:

getEntityAlias in interface QueryParser

isEntitySelect

public boolean isEntitySelect(String targetEntity)

Description copied from interface: QueryParser

Returns true if this is a standard select from an entity - not count() and not fields (e.id, etc.)

Specified by:

isEntitySelect in interface QueryParser

hasIsNullCondition

public boolean hasIsNullCondition(String attribute)

Specified by:

hasIsNullCondition in interface QueryParser

hasIsNotNullCondition

public boolean hasIsNotNullCondition(String attribute)

Specified by:

hasIsNotNullCondition in interface QueryParser

isQueryWithJoins

public boolean isQueryWithJoins()

Description copied from interface: QueryParser

Returns true if SELECT query contains joins

Specified by:

isQueryWithJoins in interface QueryParser

getOriginalEntityName

public String getOriginalEntityName()

Specified by:

getOriginalEntityName in interface QueryParser

Returns:

Entity name if not main entity name is returned, otherwise null Example: select u.group from sec$User u -> sec$Group Example: select g from sec$User u join u.group g -> sec$Group

getOriginalEntityPath

public String getOriginalEntityPath()

Specified by:

getOriginalEntityPath in interface QueryParser

Returns:

Entity path if not main entity name is returned, otherwise null Example: select u.group from sec$User u -> u.group Example: select g from sec$User u join u.group g -> g

isParameterInCondition

public boolean isParameterInCondition(String parameterName)

Specified by:

isParameterInCondition in interface QueryParser

isParameterUsedInAnyCondition

public boolean isParameterUsedInAnyCondition(String parameterName)

Specified by:

isParameterUsedInAnyCondition in interface QueryParser

isCollectionOriginalEntitySelect

public boolean isCollectionOriginalEntitySelect()

Specified by:

isCollectionOriginalEntitySelect in interface QueryParser

Returns:

true if not main entity selected and it's path with collection Example: select u.group from sec$User u -> false Example: select u.userRoles from sec$User u -> true

getQueryPaths

public List<QueryParser.QueryPath> getQueryPaths()

Specified by:

getQueryPaths in interface QueryParser

getSelectedExpressionsList

public List<String> getSelectedExpressionsList()

Specified by:

getSelectedExpressionsList in interface QueryParser

getOriginEntityNameAndPath

protected QueryParserAstBased.EntityNameAndPath getOriginEntityNameAndPath()