Examples of org.jpox.store.mapped.mapping.EmbeddedValuePCMapping

org.jpox.store.mapped.mapping.EmbeddedValuePCMapping
Mapping for a PC key object stored in an embedded map within a PC object. Provides mapping for a single Java type (the value PC type) to multiple datastore columns. @version $Revision: 1.6 $

                                                         Object value,
                                                         PreparedStatement ps,
                                                         int jdbcPosition,
                                                         JoinTable joinTable)
    {
        EmbeddedValuePCMapping embeddedMapping = (EmbeddedValuePCMapping)valueMapping;
        StatementExpressionIndex[] statementExpressionIndex = 
            new StatementExpressionIndex[vmd.getNoOfManagedMembers() + vmd.getNoOfInheritedManagedMembers()];
        int[] elementFieldNumbers = new int[embeddedMapping.getNumberOfJavaTypeMappings()];
        for (int i=0;i<embeddedMapping.getNumberOfJavaTypeMappings();i++)
        {
            JavaTypeMapping fieldMapping = embeddedMapping.getJavaTypeMapping(i);
            int absFieldNum = vmd.getAbsolutePositionOfMember(fieldMapping.getFieldMetaData().getName());
            elementFieldNumbers[i] = absFieldNum;
            if (fieldMapping != null)
            {
                statementExpressionIndex[absFieldNum] = new StatementExpressionIndex();

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            stmt.append(ownerMapping.getDataStoreMapping(i).getDatastoreField().getIdentifier().toString());
            stmt.append(" = ");
            stmt.append(((RDBMSMapping)ownerMapping.getDataStoreMapping(i)).getUpdateInputParameter());
        }


        EmbeddedValuePCMapping embeddedMapping = (EmbeddedValuePCMapping)valueMapping;
        for (int i=0;i<embeddedMapping.getNumberOfJavaTypeMappings();i++)
        {
            JavaTypeMapping m = embeddedMapping.getJavaTypeMapping(i);
            if (m != null)
            {
                for (int j=0;j<m.getNumberOfDatastoreFields();j++)
                {
                    stmt.append(" AND ");

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            if (!isSerialisedValuePC())
            {
                if (isEmbeddedValuePC())
                {
                    // Add any FKs for the fields of the (embedded) value
                    EmbeddedValuePCMapping embMapping = (EmbeddedValuePCMapping)valueMapping;
                    for (int i=0;i<embMapping.getNumberOfJavaTypeMappings();i++)
                    {
                        JavaTypeMapping embFieldMapping = embMapping.getJavaTypeMapping(i);
                        AbstractMemberMetaData embFmd = embFieldMapping.getFieldMetaData();
                        if (this.storeMgr.getOMFContext().getTypeManager().isReferenceType(embFmd.getType()) &&
                            embFieldMapping instanceof ReferenceMapping)
                        {
                            // Field is a reference type, so add a FK to the table of the PC for each PC implementation
                            Collection fks = TableUtils.getForeignKeysForReferenceField(embFieldMapping, embFmd, 
                                autoMode, storeMgr, clr);
                            foreignKeys.addAll(fks);
                        }
                        else if (storeMgr.getOMFContext().getMetaDataManager().getMetaDataForClass(embFmd.getType(), clr) != null &&
                                embFieldMapping.getNumberOfDatastoreFields() > 0 &&
                                embFieldMapping instanceof PersistenceCapableMapping)
                        {
                            // Field is for a PC class with the FK at this side, so add a FK to the table of this PC
                            ForeignKey fk = TableUtils.getForeignKeyForPCField(embFieldMapping, embFmd, 
                                autoMode, storeMgr, clr);
                            if (fk != null)
                            {
                                foreignKeys.add(fk);
                            }
                        }
                    }
                }
                else if (fmd.getMap().getValueClassMetaData() != null)
                {
                    // FK from join table to value table
                    referencedTable = storeMgr.getDatastoreClass(fmd.getMap().getValueType(), clr);
                    if (referencedTable != null)
                    {
                        // Take <foreign-key> from <value>
                        ForeignKeyMetaData fkmd = null;
                        if (fmd.getValueMetaData() != null)
                        {
                            fkmd = fmd.getValueMetaData().getForeignKeyMetaData();
                        }
                        if (fkmd != null || autoMode)
                        {
                            ForeignKey fk = new ForeignKey(valueMapping, dba, referencedTable, true);
                            fk.setForMetaData(fkmd);
                            foreignKeys.add(fk);
                        }
                    }
                }
            }


            if (!isSerialisedKeyPC())
            {
                if (isEmbeddedKeyPC())
                {
                    // Add any FKs for the fields of the (embedded) key
                    EmbeddedKeyPCMapping embMapping = (EmbeddedKeyPCMapping)keyMapping;
                    for (int i=0;i<embMapping.getNumberOfJavaTypeMappings();i++)
                    {
                        JavaTypeMapping embFieldMapping = embMapping.getJavaTypeMapping(i);
                        AbstractMemberMetaData embFmd = embFieldMapping.getFieldMetaData();
                        if (this.storeMgr.getOMFContext().getTypeManager().isReferenceType(embFmd.getType()) && 
                            embFieldMapping instanceof ReferenceMapping)
                        {
                            // Field is a reference type, so add a FK to the table of the PC for each PC implementation

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        }


        if (valueMapping instanceof EmbeddedValuePCMapping)
        {
            // Add all indices required by fields of the embedded value
            EmbeddedValuePCMapping embMapping = (EmbeddedValuePCMapping)valueMapping;
            for (int i=0;i<embMapping.getNumberOfJavaTypeMappings();i++)
            {
                JavaTypeMapping embFieldMapping = embMapping.getJavaTypeMapping(i);
                IndexMetaData imd = embFieldMapping.getFieldMetaData().getIndexMetaData();
                if (imd != null)
                {
                    Index index = TableUtils.getIndexForField(this, imd, embFieldMapping);
                    if (index != null)

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        }


        if (valueMapping instanceof EmbeddedValuePCMapping)
        {
            // Add all candidate keys required by fields of the embedded value
            EmbeddedValuePCMapping embMapping = (EmbeddedValuePCMapping)valueMapping;
            for (int i=0;i<embMapping.getNumberOfJavaTypeMappings();i++)
            {
                JavaTypeMapping embFieldMapping = embMapping.getJavaTypeMapping(i);
                UniqueMetaData umd = embFieldMapping.getFieldMetaData().getUniqueMetaData();
                if (umd != null)
                {
                    CandidateKey ck = TableUtils.getCandidateKeyForField(this, umd, embFieldMapping);
                    if (ck != null)

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Related Classes of org.jpox.store.mapped.mapping.EmbeddedValuePCMapping

org.jpox.store.rdbms.scostore.AbstractMapStore

org.jpox.store.rdbms.table.MapTable

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