Examples with SqmMapEntryResult org.hibernate.query.sqm.sql.internal.SqmMapEntryResult used on opensource projects

Example 1 with SqmMapEntryResult

use of org.hibernate.query.sqm.sql.internal.SqmMapEntryResult in project hibernate-orm by hibernate.

the class BaseSqmToSqlAstConverter method visitMapEntryFunction.

@Override
public Object visitMapEntryFunction(SqmMapEntryReference<?, ?> entryRef) {
    final SqmPath<?> mapPath = entryRef.getMapPath();
    prepareReusablePath(mapPath, () -> null);
    final NavigablePath mapNavigablePath = mapPath.getNavigablePath();
    final TableGroup tableGroup = getFromClauseAccess().resolveTableGroup(mapNavigablePath, (navigablePath) -> {
        final TableGroup parentTableGroup = getFromClauseAccess().getTableGroup(mapNavigablePath.getParent());
        final PluralAttributeMapping mapAttribute = (PluralAttributeMapping) parentTableGroup.getModelPart().findSubPart(mapNavigablePath.getLocalName(), null);
        final TableGroupJoin tableGroupJoin = mapAttribute.createTableGroupJoin(mapNavigablePath, parentTableGroup, null, SqlAstJoinType.INNER, false, false, sqlAliasBaseManager, getSqlExpressionResolver(), this, creationContext);
        parentTableGroup.addTableGroupJoin(tableGroupJoin);
        return tableGroupJoin.getJoinedGroup();
    });
    final PluralAttributeMapping mapDescriptor = (PluralAttributeMapping) tableGroup.getModelPart();
    final CollectionPart indexDescriptor = mapDescriptor.getIndexDescriptor();
    final NavigablePath indexNavigablePath = mapNavigablePath.append(indexDescriptor.getPartName());
    final DomainResult<Object> indexResult = indexDescriptor.createDomainResult(indexNavigablePath, tableGroup, null, this);
    final CollectionPart valueDescriptor = mapDescriptor.getElementDescriptor();
    final NavigablePath valueNavigablePath = mapNavigablePath.append(valueDescriptor.getPartName());
    final DomainResult<Object> valueResult = valueDescriptor.createDomainResult(valueNavigablePath, tableGroup, null, this);
    return new DomainResultProducer<Map.Entry<Object, Object>>() {

        @Override
        public DomainResult<Map.Entry<Object, Object>> createDomainResult(String resultVariable, DomainResultCreationState creationState) {
            final JavaType<Map.Entry<Object, Object>> mapEntryDescriptor = getTypeConfiguration().getJavaTypeRegistry().resolveDescriptor(Map.Entry.class);
            return new SqmMapEntryResult<>(indexResult, valueResult, resultVariable, mapEntryDescriptor);
        }

        @Override
        public void applySqlSelections(DomainResultCreationState creationState) {
            throw new UnsupportedOperationException();
        }
    };
}