Examples with EntityAliases org.hibernate.loader.EntityAliases used on opensource projects

Example 1 with EntityAliases

use of org.hibernate.loader.EntityAliases in project hibernate-orm by hibernate.

the class SQLQueryReturnProcessor method generateCustomReturns.

public List<Return> generateCustomReturns(boolean queryHadAliases) {
    List<Return> customReturns = new ArrayList<Return>();
    Map<String, Return> customReturnsByAlias = new HashMap<String, Return>();
    for (NativeSQLQueryReturn queryReturn : queryReturns) {
        if (queryReturn instanceof NativeSQLQueryScalarReturn) {
            NativeSQLQueryScalarReturn rtn = (NativeSQLQueryScalarReturn) queryReturn;
            customReturns.add(new ScalarReturn(rtn.getType(), rtn.getColumnAlias()));
        } else if (queryReturn instanceof NativeSQLQueryRootReturn) {
            NativeSQLQueryRootReturn rtn = (NativeSQLQueryRootReturn) queryReturn;
            String alias = rtn.getAlias();
            EntityAliases entityAliases;
            if (queryHadAliases || hasPropertyResultMap(alias)) {
                entityAliases = new DefaultEntityAliases((Map) entityPropertyResultMaps.get(alias), (SQLLoadable) alias2Persister.get(alias), (String) alias2Suffix.get(alias));
            } else {
                entityAliases = new ColumnEntityAliases((Map) entityPropertyResultMaps.get(alias), (SQLLoadable) alias2Persister.get(alias), (String) alias2Suffix.get(alias));
            }
            RootReturn customReturn = new RootReturn(alias, rtn.getReturnEntityName(), entityAliases, rtn.getLockMode());
            customReturns.add(customReturn);
            customReturnsByAlias.put(rtn.getAlias(), customReturn);
        } else if (queryReturn instanceof NativeSQLQueryCollectionReturn) {
            NativeSQLQueryCollectionReturn rtn = (NativeSQLQueryCollectionReturn) queryReturn;
            String alias = rtn.getAlias();
            SQLLoadableCollection persister = (SQLLoadableCollection) alias2CollectionPersister.get(alias);
            boolean isEntityElements = persister.getElementType().isEntityType();
            CollectionAliases collectionAliases;
            EntityAliases elementEntityAliases = null;
            if (queryHadAliases || hasPropertyResultMap(alias)) {
                collectionAliases = new GeneratedCollectionAliases((Map) collectionPropertyResultMaps.get(alias), (SQLLoadableCollection) alias2CollectionPersister.get(alias), (String) alias2CollectionSuffix.get(alias));
                if (isEntityElements) {
                    elementEntityAliases = new DefaultEntityAliases((Map) entityPropertyResultMaps.get(alias), (SQLLoadable) alias2Persister.get(alias), (String) alias2Suffix.get(alias));
                }
            } else {
                collectionAliases = new ColumnCollectionAliases((Map) collectionPropertyResultMaps.get(alias), (SQLLoadableCollection) alias2CollectionPersister.get(alias));
                if (isEntityElements) {
                    elementEntityAliases = new ColumnEntityAliases((Map) entityPropertyResultMaps.get(alias), (SQLLoadable) alias2Persister.get(alias), (String) alias2Suffix.get(alias));
                }
            }
            CollectionReturn customReturn = new CollectionReturn(alias, rtn.getOwnerEntityName(), rtn.getOwnerProperty(), collectionAliases, elementEntityAliases, rtn.getLockMode());
            customReturns.add(customReturn);
            customReturnsByAlias.put(rtn.getAlias(), customReturn);
        } else if (queryReturn instanceof NativeSQLQueryJoinReturn) {
            NativeSQLQueryJoinReturn rtn = (NativeSQLQueryJoinReturn) queryReturn;
            String alias = rtn.getAlias();
            FetchReturn customReturn;
            NonScalarReturn ownerCustomReturn = (NonScalarReturn) customReturnsByAlias.get(rtn.getOwnerAlias());
            if (alias2CollectionPersister.containsKey(alias)) {
                SQLLoadableCollection persister = (SQLLoadableCollection) alias2CollectionPersister.get(alias);
                boolean isEntityElements = persister.getElementType().isEntityType();
                CollectionAliases collectionAliases;
                EntityAliases elementEntityAliases = null;
                if (queryHadAliases || hasPropertyResultMap(alias)) {
                    collectionAliases = new GeneratedCollectionAliases((Map) collectionPropertyResultMaps.get(alias), persister, (String) alias2CollectionSuffix.get(alias));
                    if (isEntityElements) {
                        elementEntityAliases = new DefaultEntityAliases((Map) entityPropertyResultMaps.get(alias), (SQLLoadable) alias2Persister.get(alias), (String) alias2Suffix.get(alias));
                    }
                } else {
                    collectionAliases = new ColumnCollectionAliases((Map) collectionPropertyResultMaps.get(alias), persister);
                    if (isEntityElements) {
                        elementEntityAliases = new ColumnEntityAliases((Map) entityPropertyResultMaps.get(alias), (SQLLoadable) alias2Persister.get(alias), (String) alias2Suffix.get(alias));
                    }
                }
                customReturn = new CollectionFetchReturn(alias, ownerCustomReturn, rtn.getOwnerProperty(), collectionAliases, elementEntityAliases, rtn.getLockMode());
            } else {
                EntityAliases entityAliases;
                if (queryHadAliases || hasPropertyResultMap(alias)) {
                    entityAliases = new DefaultEntityAliases((Map) entityPropertyResultMaps.get(alias), (SQLLoadable) alias2Persister.get(alias), (String) alias2Suffix.get(alias));
                } else {
                    entityAliases = new ColumnEntityAliases((Map) entityPropertyResultMaps.get(alias), (SQLLoadable) alias2Persister.get(alias), (String) alias2Suffix.get(alias));
                }
                customReturn = new EntityFetchReturn(alias, entityAliases, ownerCustomReturn, rtn.getOwnerProperty(), rtn.getLockMode());
            }
            customReturns.add(customReturn);
            customReturnsByAlias.put(alias, customReturn);
        } else if (NativeSQLQueryConstructorReturn.class.isInstance(queryReturn)) {
            final NativeSQLQueryConstructorReturn constructorReturn = (NativeSQLQueryConstructorReturn) queryReturn;
            final ScalarReturn[] scalars = new ScalarReturn[constructorReturn.getColumnReturns().length];
            int i = 0;
            for (NativeSQLQueryScalarReturn scalarReturn : constructorReturn.getColumnReturns()) {
                scalars[i++] = new ScalarReturn(scalarReturn.getType(), scalarReturn.getColumnAlias());
            }
            customReturns.add(new ConstructorReturn(constructorReturn.getTargetClass(), scalars));
        } else {
            throw new IllegalStateException("Unrecognized NativeSQLQueryReturn concrete type : " + queryReturn);
        }
    }
    return customReturns;
}

Example 2 with EntityAliases

use of org.hibernate.loader.EntityAliases in project hibernate-orm by hibernate.

the class QuerySpaceTreePrinter method generateDetailLines.

private void generateDetailLines(QuerySpace querySpace, int depth, AliasResolutionContext aliasResolutionContext, PrintWriter printWriter) {
    printWriter.println(TreePrinterHelper.INSTANCE.generateNodePrefix(depth) + extractDetails(querySpace));
    if (aliasResolutionContext == null) {
        return;
    }
    printWriter.println(TreePrinterHelper.INSTANCE.generateNodePrefix(depth + detailDepthOffset) + "SQL table alias mapping - " + aliasResolutionContext.resolveSqlTableAliasFromQuerySpaceUid(querySpace.getUid()));
    final EntityReferenceAliases entityAliases = aliasResolutionContext.resolveEntityReferenceAliases(querySpace.getUid());
    final CollectionReferenceAliases collectionReferenceAliases = aliasResolutionContext.resolveCollectionReferenceAliases(querySpace.getUid());
    if (entityAliases != null) {
        printWriter.println(TreePrinterHelper.INSTANCE.generateNodePrefix(depth + detailDepthOffset) + "alias suffix - " + entityAliases.getColumnAliases().getSuffix());
        printWriter.println(TreePrinterHelper.INSTANCE.generateNodePrefix(depth + detailDepthOffset) + "suffixed key columns - {" + StringHelper.join(", ", entityAliases.getColumnAliases().getSuffixedKeyAliases()) + "}");
    }
    if (collectionReferenceAliases != null) {
        printWriter.println(TreePrinterHelper.INSTANCE.generateNodePrefix(depth + detailDepthOffset) + "alias suffix - " + collectionReferenceAliases.getCollectionColumnAliases().getSuffix());
        printWriter.println(TreePrinterHelper.INSTANCE.generateNodePrefix(depth + detailDepthOffset) + "suffixed key columns - {" + StringHelper.join(", ", collectionReferenceAliases.getCollectionColumnAliases().getSuffixedKeyAliases()) + "}");
        final EntityAliases elementAliases = collectionReferenceAliases.getEntityElementAliases() == null ? null : collectionReferenceAliases.getEntityElementAliases().getColumnAliases();
        if (elementAliases != null) {
            printWriter.println(TreePrinterHelper.INSTANCE.generateNodePrefix(depth + detailDepthOffset) + "entity-element alias suffix - " + elementAliases.getSuffix());
            printWriter.println(TreePrinterHelper.INSTANCE.generateNodePrefix(depth + detailDepthOffset) + elementAliases.getSuffix() + "entity-element suffixed key columns - " + StringHelper.join(", ", elementAliases.getSuffixedKeyAliases()));
        }
    }
}