Top Description Constructors Methods
org.hibernate.query.hql.internal

public Class SqmTreeCreationHelper

extends Object
Class Inheritance
Imports
java.util.Locale, org.hibernate.grammars.hql.HqlParser, org.hibernate.jpa.spi.JpaCompliance, org.hibernate.query.hql.spi.SqmCreationProcessingState, .SqmPathRegistry, org.hibernate.query.sqm.SqmTreeCreationLogger, .StrictJpaComplianceViolation, org.hibernate.query.sqm.tree.SqmJoinType, org.hibernate.query.sqm.tree.from.SqmEntityJoin, .SqmRoot, org.antlr.v4.runtime.Token, org.antlr.v4.runtime.tree.ParseTree
Helper for dealing with SQM tree creation
Author
Steve Ebersole

Constructor Summary

AccessConstructor and Description
public
SqmTreeCreationHelper()

Method Summary

Modifier and TypeMethod and Description
public static String
applyJpaCompliance(String text, SemanticQueryBuilder<?> sqmBuilder)

Handle JPA requirement that variables (aliases) be case-insensitive

public static String

Returns:

The specified alias, or null
extractAlias(HqlParser.VariableContext ctx, SemanticQueryBuilder<?> sqmBuilder)

Extracts an alias ("identification variable")

public static String

Returns:

The specified alias, or null
extractJpaCompliantAlias(HqlParser.VariableContext ctx, SemanticQueryBuilder<?> sqmBuilder)

Extracts an alias ("identification variable"), applying "JPA compliance" by lower-casing

public static String

Returns:

The specified alias, or null
extractVariable(HqlParser.VariableContext ctx, SemanticQueryBuilder<?> sqmBuilder)

Extracts an "identification variable" (alias)

public static <E> void
handleRootAsCrossJoin(HqlParser.EntityWithJoinsContext entityWithJoinsContext, SqmRoot<?> sqmPrimaryRoot, SemanticQueryBuilder<?> sqmBuilder)

Handle secondary query roots using cross-join semantics.

Inherited from java.lang.Object:
cloneequalsfinalizegetClasshashCodenotifynotifyAlltoStringwaitwaitwait

Constructor Detail

SqmTreeCreationHelperback to summary
public SqmTreeCreationHelper()

Method Detail

applyJpaComplianceback to summary
public static String applyJpaCompliance(String text, SemanticQueryBuilder<?> sqmBuilder)

Handle JPA requirement that variables (aliases) be case-insensitive

extractAliasback to summary
public static String extractAlias(HqlParser.VariableContext ctx, SemanticQueryBuilder<?> sqmBuilder)

Extracts an alias ("identification variable")

Returns:String

The specified alias, or null

extractJpaCompliantAliasback to summary
public static String extractJpaCompliantAlias(HqlParser.VariableContext ctx, SemanticQueryBuilder<?> sqmBuilder)

Extracts an alias ("identification variable"), applying "JPA compliance" by lower-casing

Returns:String

The specified alias, or null

extractVariableback to summary
public static String extractVariable(HqlParser.VariableContext ctx, SemanticQueryBuilder<?> sqmBuilder)

Extracts an "identification variable" (alias)

Returns:String

The specified alias, or null

handleRootAsCrossJoinback to summary
public static <E> void handleRootAsCrossJoin(HqlParser.EntityWithJoinsContext entityWithJoinsContext, SqmRoot<?> sqmPrimaryRoot, SemanticQueryBuilder<?> sqmBuilder)

Handle secondary query roots using cross-join semantics.

API Note

Used when JPA compliance is enabled