[hibernate-commits] Hibernate SVN: r21010 - core/patches/JBOSS_EAP_3_2_4_SP1_CP11_JBPAPP-7822/src/org/hibernate/persister/entity.

Author: stliu Date: 2012-01-10 04:25:55 -0500 (Tue, 10 Jan 2012) New Revision: 21010 Modified: core/patches/JBOSS_EAP_3_2_4_SP1_CP11_JBPAPP-7822/src/org/hibernate/persister/entity/JoinedSubclassEntityPersister.java Log: JBPAPP-7822 Back port of HHH-4250 into JBoss EAP 4.3_CP09 Modified: core/patches/JBOSS_EAP_3_2_4_SP1_CP11_JBPAPP-7822/src/org/hibernate/persister/entity/JoinedSubclassEntityPersister.java =================================================================== --- core/patches/JBOSS_EAP_3_2_4_SP1_CP11_JBPAPP-7822/src/org/hibernate/persister/entity/JoinedSubclassEntityPersister.java 2012-01-10 08:01:18 UTC (rev 21009) +++ core/patches/JBOSS_EAP_3_2_4_SP1_CP11_JBPAPP-7822/src/org/hibernate/persister/entity/JoinedSubclassEntityPersister.java 2012-01-10 09:25:55 UTC (rev 21010) @@ -18,6 +18,7 @@ import org.hibernate.engine.Versioning; import org.hibernate.engine.ExecuteUpdateResultCheckStyle; import org.hibernate.mapping.Column; +import org.hibernate.mapping.Join; import org.hibernate.mapping.KeyValue; import org.hibernate.mapping.PersistentClass; import org.hibernate.mapping.Property; @@ -65,6 +66,8 @@ // subclasses and superclasses of this class private final int[] subclassColumnTableNumberClosure; private final int[] subclassFormulaTableNumberClosure; + private final boolean[] subclassTableSequentialSelect; + private final boolean[] subclassTableIsLazyClosure; // subclass discrimination works by assigning particular // values to certain combinations of null primary key @@ -135,19 +138,50 @@ keyCols[k] = ( (Column) citer.next() ).getQuotedName( factory.getDialect() ); } keyColumns.add(keyCols); - cascadeDeletes.add( new Boolean( key.isCascadeDeleteEnabled() && factory.getDialect().supportsCascadeDelete() ) ); + cascadeDeletes.add( key.isCascadeDeleteEnabled() && factory.getDialect().supportsCascadeDelete() ); } + + //Span of the tables directly mapped by this entity and super-classes, if any + int coreTableSpan = tables.size(); + + Iterator joinIter = persistentClass.getJoinClosureIterator(); + while ( joinIter.hasNext() ) { + Join join = (Join) joinIter.next(); + Table tab = join.getTable(); + String tabname = tab.getQualifiedName( + factory.getDialect(), + factory.getSettings().getDefaultCatalogName(), + factory.getSettings().getDefaultSchemaName() + ); + tables.add(tabname); + KeyValue key = join.getKey(); + int joinIdColumnSpan = key.getColumnSpan(); + String[] keyCols = new String[joinIdColumnSpan]; + Iterator citer = key.getColumnIterator(); + for ( int k=0; k<joinIdColumnSpan; k++ ) { + Column column = (Column) citer.next(); + keyCols[k] = column.getQuotedName( factory.getDialect() ); + } + keyColumns.add(keyCols); + cascadeDeletes.add( key.isCascadeDeleteEnabled() && factory.getDialect().supportsCascadeDelete() ); + } + naturalOrderTableNames = ArrayHelper.toStringArray(tables); naturalOrderTableKeyColumns = ArrayHelper.to2DStringArray(keyColumns); naturalOrderCascadeDeleteEnabled = ArrayHelper.toBooleanArray(cascadeDeletes); ArrayList subtables = new ArrayList(); ArrayList isConcretes = new ArrayList(); + ArrayList isDeferreds = new ArrayList(); + ArrayList isLazies = new ArrayList(); + keyColumns = new ArrayList(); titer = persistentClass.getSubclassTableClosureIterator(); while ( titer.hasNext() ) { Table tab = (Table) titer.next(); - isConcretes.add( new Boolean( persistentClass.isClassOrSuperclassTable(tab) ) ); + isConcretes.add( persistentClass.isClassOrSuperclassTable(tab) ); + isDeferreds.add(Boolean.FALSE); + isLazies.add(Boolean.FALSE); String tabname = tab.getQualifiedName( factory.getDialect(), factory.getSettings().getDefaultCatalogName(), @@ -161,23 +195,69 @@ } keyColumns.add(key); } - subclassTableNameClosure = ArrayHelper.toStringArray(subtables); - subclassTableKeyColumnClosure = ArrayHelper.to2DStringArray(keyColumns); - isClassOrSuperclassTable = ArrayHelper.toBooleanArray(isConcretes); - constraintOrderedTableNames = new String[subclassTableNameClosure.length]; - constraintOrderedKeyColumnNames = new String[subclassTableNameClosure.length][]; + //Add joins + joinIter = persistentClass.getSubclassJoinClosureIterator(); + while ( joinIter.hasNext() ) { + Join join = (Join) joinIter.next(); + + Table tab = join.getTable(); + + isConcretes.add( new Boolean( persistentClass.isClassOrSuperclassTable(tab) ) ); + isDeferreds.add( new Boolean( join.isSequentialSelect() ) ); + isLazies.add(new Boolean(join.isLazy())); + + String tabname = tab.getQualifiedName( + factory.getDialect(), + factory.getSettings().getDefaultCatalogName(), + factory.getSettings().getDefaultSchemaName() + ); + subtables.add(tabname); + String[] key = new String[idColumnSpan]; + Iterator citer = tab.getPrimaryKey().getColumnIterator(); + for ( int k=0; k<idColumnSpan; k++ ) { + key[k] = ( (Column) citer.next() ).getQuotedName( factory.getDialect() ); + } + keyColumns.add(key); + + } + + String[] naturalOrderSubclassTableNameClosure = ArrayHelper.toStringArray( subtables ); + String[][] naturalOrderSubclassTableKeyColumnClosure = ArrayHelper.to2DStringArray( keyColumns ); + isClassOrSuperclassTable = ArrayHelper.toBooleanArray( isConcretes ); + subclassTableSequentialSelect = ArrayHelper.toBooleanArray( isDeferreds ); + subclassTableIsLazyClosure = ArrayHelper.toBooleanArray( isLazies ); + + +// subclassTableNameClosure = ArrayHelper.toStringArray(subtables); +// subclassTableKeyColumnClosure = ArrayHelper.to2DStringArray(keyColumns); +// isClassOrSuperclassTable = ArrayHelper.toBooleanArray(isConcretes); + + constraintOrderedTableNames = new String[naturalOrderSubclassTableNameClosure.length]; + constraintOrderedKeyColumnNames = new String[naturalOrderSubclassTableNameClosure.length][]; + int currentPosition = 0; - for ( int i = subclassTableNameClosure.length - 1; i >= 0 ; i--, currentPosition++ ) { - constraintOrderedTableNames[currentPosition] = subclassTableNameClosure[i]; - constraintOrderedKeyColumnNames[currentPosition] = subclassTableKeyColumnClosure[i]; + for ( int i = naturalOrderSubclassTableNameClosure.length - 1; i >= 0; i--, currentPosition++ ) { + constraintOrderedTableNames[currentPosition] = naturalOrderSubclassTableNameClosure[i]; + constraintOrderedKeyColumnNames[currentPosition] = naturalOrderSubclassTableKeyColumnClosure[i]; } + /** + * Suppose an entity Client extends Person, mapped to the tables CLIENT and PERSON respectively. + * For the Client entity: + * naturalOrderTableNames -> PERSON, CLIENT; this reflects the sequence in which the tables are + * added to the meta-data when the annotated entities are processed. + * However, in some instances, for example when generating joins, the CLIENT table needs to be + * the first table as it will the driving table. + * tableNames -> CLIENT, PERSON + */ + + tableSpan = naturalOrderTableNames.length; - tableNames = reverse(naturalOrderTableNames); - tableKeyColumns = reverse(naturalOrderTableKeyColumns); - reverse(subclassTableNameClosure, tableSpan); - reverse(subclassTableKeyColumnClosure, tableSpan); + tableNames = reverse( naturalOrderTableNames, coreTableSpan ); + tableKeyColumns = reverse( naturalOrderTableKeyColumns, coreTableSpan ); + subclassTableNameClosure = reverse( naturalOrderSubclassTableNameClosure, coreTableSpan ); + subclassTableKeyColumnClosure = reverse( naturalOrderSubclassTableKeyColumnClosure, coreTableSpan ); spaces = ArrayHelper.join( tableNames, @@ -196,7 +276,7 @@ deleteResultCheckStyles = new ExecuteUpdateResultCheckStyle[tableSpan]; PersistentClass pc = persistentClass; - int jk = tableSpan-1; + int jk = coreTableSpan-1; while (pc!=null) { customSQLInsert[jk] = pc.getCustomSQLInsert(); insertCallable[jk] = customSQLInsert[jk] != null && pc.isCustomInsertCallable(); @@ -219,7 +299,29 @@ if ( jk != -1 ) { throw new AssertionFailure( "Tablespan does not match height of joined-subclass hiearchy." ); } + joinIter = persistentClass.getJoinClosureIterator(); + int j = coreTableSpan; + while ( joinIter.hasNext() ) { + Join join = (Join) joinIter.next(); + customSQLInsert[j] = join.getCustomSQLInsert(); + insertCallable[j] = customSQLInsert[j] != null && join.isCustomInsertCallable(); + insertResultCheckStyles[j] = join.getCustomSQLInsertCheckStyle() == null + ? ExecuteUpdateResultCheckStyle.determineDefault( customSQLInsert[j], insertCallable[j] ) + : join.getCustomSQLInsertCheckStyle(); + customSQLUpdate[j] = join.getCustomSQLUpdate(); + updateCallable[j] = customSQLUpdate[j] != null && join.isCustomUpdateCallable(); + updateResultCheckStyles[j] = join.getCustomSQLUpdateCheckStyle() == null + ? ExecuteUpdateResultCheckStyle.determineDefault( customSQLUpdate[j], updateCallable[j] ) + : join.getCustomSQLUpdateCheckStyle(); + customSQLDelete[j] = join.getCustomSQLDelete(); + deleteCallable[j] = customSQLDelete[j] != null && join.isCustomDeleteCallable(); + deleteResultCheckStyles[j] = join.getCustomSQLDeleteCheckStyle() == null + ? ExecuteUpdateResultCheckStyle.determineDefault( customSQLDelete[j], deleteCallable[j] ) + : join.getCustomSQLDeleteCheckStyle(); + j++; + } + // PROPERTIES int hydrateSpan = getPropertySpan(); @@ -370,6 +472,9 @@ return spaces; // don't need subclass tables, because they can't appear in conditions } + protected boolean isSubclassTableSequentialSelect(int j) { + return subclassTableSequentialSelect[j] && !isClassOrSuperclassTable[j]; + } protected String getTableName(int j) { return naturalOrderTableNames[j]; @@ -423,24 +528,50 @@ } } - private static final String[] reverse(String[] objects) { - int len = objects.length; - String[] temp = new String[len]; - for (int i=0; i<len; i++) { - temp[i] = objects[len-i-1]; + + /** + * Reverse the first n elements of the incoming array + * @param objects + * @param n + * @return New array with the first n elements in reversed order + */ + private static final String[] reverse(String [] objects, int n) { + + int size = objects.length; + String[] temp = new String[size]; + + for (int i=0; i<n; i++) { + temp[i] = objects[n-i-1]; } + + for (int i=n; i < size; i++) { + temp[i] = objects[i]; + } + return temp; } - private static final String[][] reverse(String[][] objects) { - int len = objects.length; - String[][] temp = new String[len][]; - for (int i=0; i<len; i++) { - temp[i] = objects[len-i-1]; + /** + * Reverse the first n elements of the incoming array + * @param objects + * @param n + * @return New array with the first n elements in reversed order + */ + private static final String[][] reverse(String[][] objects, int n) { + int size = objects.length; + String[][] temp = new String[size][]; + for (int i=0; i<n; i++) { + temp[i] = objects[n-i-1]; } + + for (int i=n; i<size; i++) { + temp[i] = objects[i]; + } + return temp; } + public String fromTableFragment(String alias) { return getTableName() + ' ' + alias; } @@ -549,6 +680,10 @@ return subclassTableNameClosure.length; } + protected boolean isSubclassTableLazy(int j) { + return subclassTableIsLazyClosure[j]; + } + protected boolean isClassOrSuperclassTable(int j) { return isClassOrSuperclassTable[j]; }