com.haulmont.cuba.core.global

Class QueryParserAstBased

java.lang.Object

com.haulmont.cuba.core.global.QueryParserAstBased

All Implemented Interfaces:

QueryParser

@Scope(value="prototype")
 @Component(value="cuba_QueryParser")
public class QueryParserAstBased
extends java.lang.Object
implements QueryParser

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	QueryParserAstBased.EntityNameAndPath

Nested classes/interfaces inherited from interface com.haulmont.cuba.core.global.QueryParser

QueryParser.QueryPath

Field Summary

Fields

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

Fields inherited from interface com.haulmont.cuba.core.global.QueryParser

NAME

Constructor Summary

Constructors

Constructor and Description
QueryParserAstBased(DomainModel model, java.lang.String query)

Method Summary

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

model

protected DomainModel model

query

protected java.lang.String query

queryTree

protected QueryTree queryTree

queryAnalyzer

protected QueryTreeAnalyzer queryAnalyzer

Constructor Detail

QueryParserAstBased

public QueryParserAstBased(DomainModel model,
                           java.lang.String query)

Method Detail

getTree

protected QueryTree getTree()

getAnalyzer

protected QueryTreeAnalyzer getAnalyzer()

getParamNames

public java.util.Set<java.lang.String> getParamNames()

Description copied from interface: QueryParser

Get all parameter names

Specified by:

getParamNames in interface QueryParser

getAllEntityNames

public java.util.Set<java.lang.String> getAllEntityNames()

Specified by:

getAllEntityNames in interface QueryParser

getEntityName

public java.lang.String getEntityName()

Description copied from interface: QueryParser

Main entity name

Specified by:

getEntityName in interface QueryParser

getEntityAlias

public java.lang.String getEntityAlias(java.lang.String entityType)

Description copied from interface: QueryParser

Main entity alias

Specified by:

getEntityAlias in interface QueryParser

getEntityAlias

public java.lang.String getEntityAlias()

Specified by:

getEntityAlias in interface QueryParser

isEntitySelect

public boolean isEntitySelect(java.lang.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(java.lang.String attribute)

Specified by:

hasIsNullCondition in interface QueryParser

hasIsNotNullCondition

public boolean hasIsNotNullCondition(java.lang.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 java.lang.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 java.lang.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(java.lang.String parameterName)

Specified by:

isParameterInCondition in interface QueryParser

isParameterUsedInAnyCondition

public boolean isParameterUsedInAnyCondition(java.lang.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 java.util.List<QueryParser.QueryPath> getQueryPaths()

Specified by:

getQueryPaths in interface QueryParser

getSelectedExpressionsList

public java.util.List<java.lang.String> getSelectedExpressionsList()

Specified by:

getSelectedExpressionsList in interface QueryParser

getOriginEntityNameAndPath

protected QueryParserAstBased.EntityNameAndPath getOriginEntityNameAndPath()