Package org.jpox.store.mapped

Examples of org.jpox.store.mapped.DatastoreIdentifier

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        initialize(dba, delegate.getType());
        this.delegate = delegate;

        DiscriminatorMetaData dismd = datastoreContainer.getDiscriminatorMetaData();
        IdentifierFactory idFactory = datastoreContainer.getStoreManager().getIdentifierFactory();
        DatastoreIdentifier id = null;
        if (dismd.getColumnMetaData() == null)
        {
            // No column name so generate a default
            id = idFactory.newDiscriminatorFieldIdentifier();
            ColumnMetaData colmd = new ColumnMetaData(dismd, id.getIdentifier());
            dismd.setColumnMetaData(colmd);
        }
        else
        {
            // Column name defined
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        // The MetaData supports multiple columns and so we could extend this in the future
        // to use all MetaData information.
        ColumnMetaData[] versionColumnMetaData = versionMetaData.getColumnMetaData();
        ColumnMetaData colmd;
        IdentifierFactory idFactory = datastoreContainer.getStoreManager().getIdentifierFactory();
        DatastoreIdentifier id = null;
        if (versionColumnMetaData.length == 0)
        {
            // No column name so generate a default
            id = idFactory.newVersionFieldIdentifier();
            colmd = new ColumnMetaData(versionMetaData, id.getIdentifier());
            datastoreContainer.getVersionMetaData().addColumn(colmd);
        }
        else
        {
            // Column name defined
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            // Allocate any missing columns
            for (int i = colmds.length; i < mappingSideB.getNumberOfDatastoreFields(); i++)
            {
                // Find next unallocated sideB column
                DatastoreIdentifier sideBidentifier = null;
                for (int j=0; j < sideBidentifiers.length; j++)
                {
                    if (!sideButilised[j])
                    {
                        sideBidentifier = sideBidentifiers[j];
                        sideButilised[j] = true;
                        break;
                    }
                }
                if (sideBidentifier == null)
                {
                    throw new JPOXUserException(LOCALISER.msg("020005",
                        columnsName, "" + i)).setFatal();
                }

                // Create a new ColumnMetaData since user hasn't provided enough
                ColumnMetaData colmd = new ColumnMetaData((MetaData)columnContainer, (String)null);
                if (updateContainer)
                {
                    columnContainer.addColumn(colmd);
                }
                putColumn(sideBidentifier, colmd);
            }
        }
        else
        {
            columnsName = null;
            for (int i = 0; i < mappingSideB.getNumberOfDatastoreFields(); i++)
            {
                final DatastoreIdentifier sideBidentifier;
                sideBidentifier = mappingSideB.getDataStoreMapping(i).getDatastoreField().getIdentifier();

                // Create a new ColumnMetaData since user hasn't provided enough
                ColumnMetaData colmd = new ColumnMetaData((MetaData)columnContainer, (String)null);
                putColumn(sideBidentifier, colmd);
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            // Allocate any missing columns
            for (int i = colmds.length; i < mappingSideB.getNumberOfDatastoreFields(); i++)
            {
                // Find next unallocated sideB column
                DatastoreIdentifier sideBidentifier = null;
                for (int j=0; j < sideBidentifiers.length; j++)
                {
                    if (!sideButilised[j])
                    {
                        sideBidentifier = sideBidentifiers[j];
                        sideButilised[j] = true;
                        break;
                    }
                }
                if (sideBidentifier == null)
                {
                    throw new JPOXUserException(LOCALISER.msg("020005",
                        columnsName, "" + i)).setFatal();
                }

                // Create a new ColumnMetaData since user hasn't provided enough
                ColumnMetaData colmd = new ColumnMetaData((MetaData)columnContainer, (String)null);
                if (updateContainer)
                {
                    columnContainer.addColumn(colmd);
                }
                putColumn(sideBidentifier, colmd);
            }
        }
        else
        {
            columnsName = null;
            for (int i = 0; i < mappingSideB.getNumberOfDatastoreFields(); i++)
            {
                final DatastoreIdentifier sideBidentifier;
                sideBidentifier = mappingSideB.getDataStoreMapping(i).getDatastoreField().getIdentifier();

                // Create a new ColumnMetaData since user hasn't provided enough
                ColumnMetaData colmd = new ColumnMetaData((MetaData)columnContainer, (String)null);
                putColumn(sideBidentifier, colmd);
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     */
    public NumericExpression sizeMethod()
    {
        IdentifierFactory idFactory = qs.getStoreManager().getIdentifierFactory();
        String ctIdentifier = idFactory.newIdentifier(te.getAlias(), fieldName).getIdentifier();
        DatastoreIdentifier ctRangeVar = idFactory.newIdentifier(IdentifierFactory.TABLE, ctIdentifier);

        return new ContainerSizeExpression(qs, getBackingStoreQueryable().getSizeSubquery(qs, mapping, te, ctRangeVar));
    }
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                var.setVariableType(qs.getClassLoaderResolver().classForName(mapStore.getKeyType()));
            }
            String vtIdentifier = "UNBOUND" + '.' + var.getVariableName();
            String mtIdentifier = idFactory.newIdentifier(idFactory.newIdentifier(te.getAlias(), fieldName), var.getVariableName()).getIdentifier();

            DatastoreIdentifier mtRangeVar = idFactory.newIdentifier(IdentifierFactory.TABLE, mtIdentifier);
            DatastoreIdentifier vtRangeVar = idFactory.newIdentifier(IdentifierFactory.TABLE, vtIdentifier);

            QueryExpression qexpr = getBackingStoreQueryable().getExistsSubquery(qs, mapping, te, mtRangeVar);
            var.bindTo(getBackingStoreQueryable().joinKeysTo(qexpr,
                                           qs,
                                           mapping,
                                           te,
                                           mtRangeVar,
                                           var.getVariableType(),
                                           expr,
                                           vtRangeVar));
            return new ExistsExpression(qs, qexpr, true);           
        }
        else if (expr instanceof Literal)
        {
            String mtIdentifier = idFactory.newIdentifier(te.getAlias(), fieldName).getIdentifier();
            DatastoreIdentifier mtRangeVar = idFactory.newIdentifier(IdentifierFactory.TABLE, mtIdentifier);
            DatastoreIdentifier vtRangeVar;
            int n = 0;

            do
            {
                String vtIdentifier = mtIdentifier + '.' + (++n);
                vtRangeVar = idFactory.newIdentifier(IdentifierFactory.TABLE, vtIdentifier);
            } while (qs.getTableExpression(vtRangeVar) != null);

            ClassLoaderResolver clr = qs.getClassLoaderResolver();
            QueryExpression qexpr = getBackingStoreQueryable().getExistsSubquery(qs, mapping, te, mtRangeVar);
            ScalarExpression joinKeysExpr = getBackingStoreQueryable().joinKeysTo(qexpr,
                                           qs,
                                           mapping,
                                           te,
                                           mtRangeVar,
                                           clr.classForName(expr.getMapping().getType()),
                                           expr,
                                           vtRangeVar);
            qexpr.andCondition(expr.eq(joinKeysExpr));
            return new ExistsExpression(qs, qexpr, true);
        }       
        else
        {
            String mtIdentifier = idFactory.newIdentifier(te.getAlias(), fieldName).getIdentifier();
            DatastoreIdentifier mtRangeVar = idFactory.newIdentifier(IdentifierFactory.TABLE, mtIdentifier);
            DatastoreIdentifier vtRangeVar;

            if (expr.te == null) // literals
            {
                int n = 0;
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        // mt... = "map table"
        // kt... = "key table"
        // vt... = "value table"
        IdentifierFactory idFactory = qs.getStoreManager().getIdentifierFactory();
        String mtIdentifier = idFactory.newIdentifier(te.getAlias(), fieldName).getIdentifier();
        DatastoreIdentifier mtRangeVar = idFactory.newIdentifier(IdentifierFactory.TABLE, mtIdentifier);

        // obtains a variable name for key
        Class keyType;
        DatastoreIdentifier ktRangeVar;
        UnboundVariable keyVar = null;
        ClassLoaderResolver clr=qs.getClassLoaderResolver();
        int nKey = 0;
        if (keyExpr instanceof UnboundVariable)
        {
            keyVar = (UnboundVariable)keyExpr;
            String ktJavaName = "UNBOUND" + '.' + keyVar.getVariableName();
            keyType = keyVar.getVariableType();
            ktRangeVar = idFactory.newIdentifier(IdentifierFactory.TABLE, ktJavaName);
        }
        else
        {
            keyType = clr.classForName(mapStore.getKeyType());
            do
            {
                String ktIdentifier = mtIdentifier + '.' + (++nKey);
                ktRangeVar = idFactory.newIdentifier(IdentifierFactory.TABLE, ktIdentifier);
            } while (qs.getTableExpression(ktRangeVar) != null);
        }

        // obtains a variable name for value
        Class valueType;
        DatastoreIdentifier vtRangeVar;
        UnboundVariable valueVar = null;
        int nValue = 0;
        if (valueExpr instanceof UnboundVariable)
        {
            valueVar = (UnboundVariable)valueExpr;
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                var.setVariableType(qs.getClassLoaderResolver().classForName(mapStore.getValueType()));
            }
            String vtIdentifier = "UNBOUND" + '.' + var.getVariableName();
            String mtIdentifier = idFactory.newIdentifier(idFactory.newIdentifier(te.getAlias(), fieldName), var.getVariableName()).getIdentifier();

            DatastoreIdentifier mtRangeVar = idFactory.newIdentifier(IdentifierFactory.TABLE, mtIdentifier);
            DatastoreIdentifier vtRangeVar = idFactory.newIdentifier(IdentifierFactory.TABLE, vtIdentifier);

            QueryExpression qexpr = getBackingStoreQueryable().getExistsSubquery(qs, mapping, te, mtRangeVar);
            var.bindTo(getBackingStoreQueryable().joinValuesTo(qexpr,
                                           qs,
                                           mapping,
                                           te,
                                           mtRangeVar,
                                           var.getVariableType(),
                                           expr,
                                           vtRangeVar));
            return new ExistsExpression(qs, qexpr, true);           
        }
        else if (expr instanceof Literal)
        {
            String mtIdentifier = idFactory.newIdentifier(te.getAlias(), fieldName).getIdentifier();
            DatastoreIdentifier mtRangeVar = idFactory.newIdentifier(IdentifierFactory.TABLE, mtIdentifier);
            DatastoreIdentifier vtRangeVar;
            int n = 0;

            do
            {
                String vtIdentifier = mtIdentifier + '.' + (++n);
                vtRangeVar = idFactory.newIdentifier(IdentifierFactory.TABLE, vtIdentifier);
            } while (qs.getTableExpression(vtRangeVar) != null);

            ClassLoaderResolver clr = qs.getClassLoaderResolver();
            QueryExpression qexpr = getBackingStoreQueryable().getExistsSubquery(qs, mapping, te, mtRangeVar);
            ScalarExpression joinValuesExpr = getBackingStoreQueryable().joinValuesTo(qexpr,
                                           qs,
                                           mapping,
                                           te,
                                           mtRangeVar,
                                           clr.classForName(expr.getMapping().getType()),
                                           expr,
                                           vtRangeVar);
            qexpr.andCondition(expr.eq(joinValuesExpr));
            return new ExistsExpression(qs, qexpr, true);
        }       
        else
        {
            String mtIdentifier = idFactory.newIdentifier(te.getAlias(), fieldName).getIdentifier();
            DatastoreIdentifier mtRangeVar = idFactory.newIdentifier(IdentifierFactory.TABLE, mtIdentifier);
            DatastoreIdentifier vtRangeVar;

            if (expr.te == null) // literals
            {
                int n = 0;
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    public BooleanExpression isEmptyMethod()
    {
        // mt... = "map table"
        IdentifierFactory idFactory = qs.getStoreManager().getIdentifierFactory();
        String mtIdentifier = idFactory.newIdentifier(te.getAlias(), fieldName).getIdentifier();
        DatastoreIdentifier mtRangeVar = idFactory.newIdentifier(IdentifierFactory.TABLE, mtIdentifier);

        return new ExistsExpression(qs, getBackingStoreQueryable().getExistsSubquery(qs, mapping, te, mtRangeVar), false);
    }
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        // mt... = "map table"
        // vt... = "value table"
        IdentifierFactory idFactory = qs.getStoreManager().getIdentifierFactory();
        String mtIdentifier = idFactory.newIdentifier(te.getAlias(), fieldName).getIdentifier();

        DatastoreIdentifier mtRangeVar;
        DatastoreIdentifier ktRangeVar;
        DatastoreIdentifier vtRangeVar;
        int n = 0;
        if (expr instanceof UnboundVariable)
        {
            UnboundVariable var = (UnboundVariable)expr;
            if (var.getVariableType() == null)
            {
                // Set the variable type to be the element type for this collection
                var.setVariableType(qs.getClassLoaderResolver().classForName(mapStore.getKeyType()));
            }
            String ktIdentifier = "UNBOUND" + '.' + var.getVariableName();
            String vtIdentifier = "UNBOUNDVALUE" + '.' + var.getVariableName();

            mtRangeVar = idFactory.newIdentifier(IdentifierFactory.TABLE, mtIdentifier);
            ktRangeVar = idFactory.newIdentifier(IdentifierFactory.TABLE, ktIdentifier);
            vtRangeVar = idFactory.newIdentifier(IdentifierFactory.TABLE, vtIdentifier);
        }
        else
        {
            mtRangeVar = idFactory.newIdentifier(IdentifierFactory.TABLE, mtIdentifier);

            do
            {
                String ktJavaName = mtIdentifier + '.' + (++n);
                ktRangeVar = idFactory.newIdentifier(IdentifierFactory.TABLE, ktJavaName);
            } while (qs.getTableExpression(ktRangeVar) != null);

            n = 0;

            do
            {
                String vtIdentifier = mtIdentifier + '.' + (++n);
                vtRangeVar = idFactory.newIdentifier(IdentifierFactory.TABLE, vtIdentifier);
            } while (qs.getTableExpression(vtRangeVar) != null || vtRangeVar.equals(ktRangeVar));
        }
           
        /* QueryExpression qexpr = */ getBackingStoreQueryable().getExistsSubquery(qs, mapping, te, mtRangeVar);
        ClassLoaderResolver clr=qs.getClassLoaderResolver();
        ScalarExpression[] joinKeysExpr =
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Related Classes of org.jpox.store.mapped.DatastoreIdentifier

  • org.jpox.store.mapped.expression.ArrayExpression
  • org.jpox.store.mapped.expression.CollectionExpression
  • org.jpox.store.mapped.expression.MapExpression
  • org.jpox.store.mapped.expression.ObjectExpression
  • org.jpox.store.mapped.expression.TableExprAsJoins
  • org.jpox.store.mapped.expression.TableExprAsSubjoins
  • org.jpox.store.mapped.expression.TableExprAsSubquery
  • org.jpox.store.mapped.expression.UnboundVariable
  • org.jpox.store.mapped.mapping.CorrespondentColumnsMapper
  • org.jpox.store.mapped.mapping.DiscriminatorMapping
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