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

org.jpox.store.mapped.mapping.EmbeddedElementPCMapping
Mapping for a PersistenceCapable object stored in an embedded collection within a PersistenceCapable object. Provides mapping for a single Java type (the element PC type) to multiple datastore columns. @version $Revision: 1.7 $

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

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                // Do nothing since no element table
            }
            else if (elementMapping instanceof EmbeddedElementPCMapping)
            {
                // Add any FKs for the fields of the (embedded) element
                EmbeddedElementPCMapping embMapping = (EmbeddedElementPCMapping)elementMapping;
                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);

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        Set indices = super.getExpectedIndices(clr);


        if (elementMapping instanceof EmbeddedElementPCMapping)
        {
            // Add all indices required by fields of the embedded element
            EmbeddedElementPCMapping embMapping = (EmbeddedElementPCMapping)elementMapping;
            for (int i=0;i<embMapping.getNumberOfJavaTypeMappings();i++)
            {
                // Add indexes for fields of this embedded PC object
                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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        List candidateKeys = super.getExpectedCandidateKeys();


        if (elementMapping instanceof EmbeddedElementPCMapping)
        {
            // Add all candidate keys required by fields of the embedded element
            EmbeddedElementPCMapping embMapping = (EmbeddedElementPCMapping)elementMapping;
            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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            stmt.append(ownerMapping.getDataStoreMapping(i).getDatastoreField().getIdentifier().toString());
            stmt.append(" = ");
            stmt.append(((RDBMSMapping)ownerMapping.getDataStoreMapping(i)).getUpdateInputParameter());
        }


        EmbeddedElementPCMapping embeddedMapping = (EmbeddedElementPCMapping)elementMapping;
        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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Related Classes of org.jpox.store.mapped.mapping.EmbeddedElementPCMapping

org.jpox.store.rdbms.scostore.AbstractCollectionStore

org.jpox.store.rdbms.scostore.ElementContainerStore

org.jpox.store.rdbms.table.ElementContainerTable

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