Examples with CmrFieldMapping org.apache.openejb.jee.sun.CmrFieldMapping used on opensource projects

Example 1 with CmrFieldMapping

use of org.apache.openejb.jee.sun.CmrFieldMapping in project tomee by apache.

the class SunConversion method mergeEntityMappings.

public void mergeEntityMappings(final Map<String, EntityData> entities, final String moduleId, final EjbModule ejbModule, final EntityMappings entityMappings, final SunCmpMapping sunCmpMapping) {
    for (final EntityMapping bean : sunCmpMapping.getEntityMapping()) {
        final SunConversion.EntityData entityData = entities.get(moduleId + "#" + bean.getEjbName());
        if (entityData == null) {
            // todo warn no such ejb in the ejb-jar.xml
            continue;
        }
        final Table table = new Table();
        // table.setSchema(schema);
        table.setName(bean.getTableName());
        entityData.entity.setTable(table);
        for (final org.apache.openejb.jee.sun.SecondaryTable sunSecondaryTable : bean.getSecondaryTable()) {
            final SecondaryTable secondaryTable = new SecondaryTable();
            secondaryTable.setName(sunSecondaryTable.getTableName());
            for (final ColumnPair columnPair : sunSecondaryTable.getColumnPair()) {
                SunColumnName localColumnName = new SunColumnName(columnPair.getColumnName().get(0), table.getName());
                SunColumnName referencedColumnName = new SunColumnName(columnPair.getColumnName().get(1), table.getName());
                // if user specified in reverse order, swap
                if (localColumnName.table != null) {
                    final SunColumnName temp = localColumnName;
                    localColumnName = referencedColumnName;
                    referencedColumnName = temp;
                }
                final PrimaryKeyJoinColumn primaryKeyJoinColumn = new PrimaryKeyJoinColumn();
                primaryKeyJoinColumn.setName(localColumnName.column);
                primaryKeyJoinColumn.setReferencedColumnName(referencedColumnName.column);
                secondaryTable.getPrimaryKeyJoinColumn().add(primaryKeyJoinColumn);
            }
        }
        for (final CmpFieldMapping cmpFieldMapping : bean.getCmpFieldMapping()) {
            final String fieldName = cmpFieldMapping.getFieldName();
            final Field field = entityData.fields.get(fieldName);
            if (field == null) {
                // todo warn no such cmp-field in the ejb-jar.xml
                continue;
            }
            final boolean readOnly = cmpFieldMapping.getReadOnly() != null;
            for (final ColumnName columnName : cmpFieldMapping.getColumnName()) {
                final SunColumnName sunColumnName = new SunColumnName(columnName, table.getName());
                final Column column = new Column();
                column.setTable(sunColumnName.table);
                column.setName(sunColumnName.column);
                if (readOnly) {
                    column.setInsertable(false);
                    column.setUpdatable(false);
                }
                field.setColumn(column);
            }
        // todo set fetch lazy when fetchWith is null
        // FetchedWith fetchedWith = cmpFieldMapping.getFetchedWith();
        }
        for (final CmrFieldMapping cmrFieldMapping : bean.getCmrFieldMapping()) {
            final String fieldName = cmrFieldMapping.getCmrFieldName();
            cmrFieldMapping.getColumnPair();
            final RelationField field = entityData.relations.get(fieldName);
            if (field == null) {
                // todo warn no such cmr-field in the ejb-jar.xml
                continue;
            }
            if (field instanceof OneToOne) {
                for (final ColumnPair columnPair : cmrFieldMapping.getColumnPair()) {
                    SunColumnName localColumnName = new SunColumnName(columnPair.getColumnName().get(0), table.getName());
                    SunColumnName referencedColumnName = new SunColumnName(columnPair.getColumnName().get(1), table.getName());
                    // if user specified in reverse order, swap
                    if (localColumnName.table != null) {
                        final SunColumnName temp = localColumnName;
                        localColumnName = referencedColumnName;
                        referencedColumnName = temp;
                    }
                    final boolean isFk = !entityData.hasPkColumnMapping(localColumnName.column);
                    if (isFk) {
                        // Make sure that the field with the FK is marked as the owning field
                        field.setMappedBy(null);
                        field.getRelatedField().setMappedBy(field.getName());
                        final JoinColumn joinColumn = new JoinColumn();
                        joinColumn.setName(localColumnName.column);
                        joinColumn.setReferencedColumnName(referencedColumnName.column);
                        field.getJoinColumn().add(joinColumn);
                    }
                }
            } else if (field instanceof OneToMany) {
                // Bi-directional OneToMany do not have field mappings
                if (!field.getRelatedField().isSyntheticField()) {
                    continue;
                }
                for (final ColumnPair columnPair : cmrFieldMapping.getColumnPair()) {
                    SunColumnName localColumnName = new SunColumnName(columnPair.getColumnName().get(0), table.getName());
                    SunColumnName otherColumnName = new SunColumnName(columnPair.getColumnName().get(1), table.getName());
                    // if user specified in reverse order, swap
                    if (localColumnName.table != null) {
                        final SunColumnName temp = localColumnName;
                        localColumnName = otherColumnName;
                        otherColumnName = temp;
                    }
                    final JoinColumn joinColumn = new JoinColumn();
                    // for OneToMany the join column name is the other (fk) column
                    joinColumn.setName(otherColumnName.column);
                    // and the referenced column is the local (pk) column
                    joinColumn.setReferencedColumnName(localColumnName.column);
                    field.getRelatedField().getJoinColumn().add(joinColumn);
                }
            } else if (field instanceof ManyToOne) {
                for (final ColumnPair columnPair : cmrFieldMapping.getColumnPair()) {
                    SunColumnName localColumnName = new SunColumnName(columnPair.getColumnName().get(0), table.getName());
                    SunColumnName referencedColumnName = new SunColumnName(columnPair.getColumnName().get(1), table.getName());
                    // if user specified in reverse order, swap
                    if (localColumnName.table != null) {
                        final SunColumnName temp = localColumnName;
                        localColumnName = referencedColumnName;
                        referencedColumnName = temp;
                    }
                    final JoinColumn joinColumn = new JoinColumn();
                    joinColumn.setName(localColumnName.column);
                    joinColumn.setReferencedColumnName(referencedColumnName.column);
                    field.getJoinColumn().add(joinColumn);
                }
            } else {
                // skip the non owning side
                if (field.getMappedBy() != null) {
                    continue;
                }
                final JoinTable joinTable = new JoinTable();
                field.setJoinTable(joinTable);
                for (final ColumnPair columnPair : cmrFieldMapping.getColumnPair()) {
                    SunColumnName localColumnName = new SunColumnName(columnPair.getColumnName().get(0), table.getName());
                    SunColumnName joinTableColumnName = new SunColumnName(columnPair.getColumnName().get(1), table.getName());
                    if (localColumnName.table == null || joinTableColumnName.table == null) {
                        // if user specified in reverse order, swap
                        if (localColumnName.table != null) {
                            final SunColumnName temp = localColumnName;
                            localColumnName = joinTableColumnName;
                            joinTableColumnName = temp;
                        }
                        // join table is the table name of the referenced column
                        joinTable.setName(joinTableColumnName.table);
                        final JoinColumn joinColumn = new JoinColumn();
                        joinColumn.setName(joinTableColumnName.column);
                        joinColumn.setReferencedColumnName(localColumnName.column);
                        joinTable.getJoinColumn().add(joinColumn);
                    } else {
                        // if user specified in reverse order, swap
                        if (localColumnName.table.equals(joinTable.getName())) {
                            final SunColumnName temp = localColumnName;
                            localColumnName = joinTableColumnName;
                            joinTableColumnName = temp;
                        }
                        final JoinColumn joinColumn = new JoinColumn();
                        joinColumn.setName(joinTableColumnName.column);
                        joinColumn.setReferencedColumnName(localColumnName.column);
                        joinTable.getInverseJoinColumn().add(joinColumn);
                    }
                }
            }
        }
    }
}