Examples of org.objectstyle.ashwood.dbutil.Table

org.objectstyle.ashwood.dbutil.Table

    private final class DbEntityComparator implements Comparator {


        public int compare(Object o1, Object o2) {
            if (o1 == o2)
                return 0;
            Table t1 = getTable((DbEntity) o1);
            Table t2 = getTable((DbEntity) o2);
            return tableComparator.compare(t1, t2);
        }

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    private final class ObjEntityComparator implements Comparator {


        public int compare(Object o1, Object o2) {
            if (o1 == o2)
                return 0;
            Table t1 = getTable((ObjEntity) o1);
            Table t2 = getTable((ObjEntity) o2);
            return tableComparator.compare(t1, t2);
        }

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    private final class TableComparator implements Comparator {


        public int compare(Object o1, Object o2) {
            int result = 0;
            Table t1 = (Table) o1;
            Table t2 = (Table) o2;
            if (t1 == t2)
                return 0;
            if (t1 == null)
                result = -1;
            else if (t2 == null)

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        for (Iterator i = dataMaps.iterator(); i.hasNext();) {
            DataMap map = (DataMap) i.next();
            Iterator entitiesToConvert = map.getDbEntities().iterator();
            while (entitiesToConvert.hasNext()) {
                DbEntity entity = (DbEntity) entitiesToConvert.next();
                Table table = new Table(entity.getCatalog(), entity.getSchema(), entity
                        .getName());
                fillInMetadata(table, entity);
                dbEntityToTableMap.put(entity, table);
                tables.add(table);
            }

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    private final class DbEntityComparator implements Comparator {


        public int compare(Object o1, Object o2) {
            if (o1 == o2)
                return 0;
            Table t1 = getTable((DbEntity) o1);
            Table t2 = getTable((DbEntity) o2);
            return tableComparator.compare(t1, t2);
        }

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    private final class ObjEntityComparator implements Comparator {


        public int compare(Object o1, Object o2) {
            if (o1 == o2)
                return 0;
            Table t1 = getTable((ObjEntity) o1);
            Table t2 = getTable((ObjEntity) o2);
            return tableComparator.compare(t1, t2);
        }

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    private final class TableComparator implements Comparator {


        public int compare(Object o1, Object o2) {
            int result = 0;
            Table t1 = (Table) o1;
            Table t2 = (Table) o2;
            if (t1 == t2)
                return 0;
            if (t1 == null)
                result = -1;
            else if (t2 == null)

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                // to adapter
                if (name == null || name.startsWith("BIN$")) {
                    continue;
                }


                Table info = new Table(cat, schema, name);
                tables.add(info);
            }
        }
        finally {
            rs.close();

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    public boolean loadDbEntities(DataMap map, List tables) throws SQLException {
        this.dbEntityList = new ArrayList();


        Iterator iter = tables.iterator();
        while (iter.hasNext()) {
            Table table = (Table) iter.next();


            // Check if there already is a DbEntity under such name
            // if so, consult the delegate what to do
            DbEntity oldEnt = map.getDbEntity(table.getName());
            if (oldEnt != null) {
                if (delegate == null) {
                    // no delegate, don't know what to do, cancel import
                    return false;
                }


                try {
                    if (delegate.overwriteDbEntity(oldEnt)) {
                        logObj.debug("Overwrite: " + oldEnt.getName());
                        map.removeDbEntity(oldEnt.getName(), true);
                        delegate.dbEntityRemoved(oldEnt);
                    }
                    else {
                        logObj.debug("Keep old: " + oldEnt.getName());
                        
                        // cay-479 - need to track entities that were not loaded for 
                        // relationships exported to entities that were
                        skippedEntities.add(oldEnt);
                        continue;
                    }
                }
                catch (CayenneException ex) {
                    logObj.debug("Load canceled.");


                    // cancel immediately
                    return false;
                }
            }


            DbEntity dbEntity = new DbEntity();
            dbEntity.setName(table.getName());
            dbEntity.setSchema(table.getSchema());
            dbEntity.setCatalog(table.getCatalog());


            // Create DbAttributes from column information --
            ResultSet rs = getMetaData().getColumns(
                    table.getCatalog(),
                    table.getSchema(),
                    table.getName(),
                    "%");


            try {
                while (rs.next()) {
                    // for a reason not quiet apparent to me, Oracle sometimes
                    // returns duplicate record sets for the same table, messing up table
                    // names. E.g. for the system table "WK$_ATTR_MAPPING" columns are
                    // returned twice - as "WK$_ATTR_MAPPING" and "WK$$_ATTR_MAPPING"...
                    // Go figure


                    String tableName = rs.getString("TABLE_NAME");
                    if (!dbEntity.getName().equals(tableName)) {
                        logObj.info("Incorrectly returned columns for '"
                                + tableName
                                + ", skipping.");
                        continue;
                    }


                    // gets attribute's (column's) information
                    String columnName = rs.getString("COLUMN_NAME");


                    boolean allowNulls = rs.getBoolean("NULLABLE");
                    int columnType = rs.getInt("DATA_TYPE");
                    int columnSize = rs.getInt("COLUMN_SIZE");
                    String typeName = rs.getString("TYPE_NAME");


                    // ignore precision of non-decimal columns
                    int decimalDigits = -1;
                    if (TypesMapping.isDecimal(columnType)) {
                        decimalDigits = rs.getInt("DECIMAL_DIGITS");
                        if (rs.wasNull()) {
                            decimalDigits = -1;
                        }
                    }


                    // create attribute delegating this task to adapter
                    DbAttribute attr = adapter.buildAttribute(
                            columnName,
                            typeName,
                            columnType,
                            columnSize,
                            decimalDigits,
                            allowNulls);
                    attr.setEntity(dbEntity);
                    dbEntity.addAttribute(attr);
                }
            }
            finally {
                rs.close();
            }


            map.addDbEntity(dbEntity);


            // notify delegate
            if (delegate != null) {
                delegate.dbEntityAdded(dbEntity);
            }


            // delegate might have thrown this entity out... so check if it is still
            // around
            // before continuing processing
            if (map.getDbEntity(table.getName()) == dbEntity) {
                this.dbEntityList.add(dbEntity);
            }
        }


        // get primary keys for each table and store it in dbEntity

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Related Classes of org.objectstyle.ashwood.dbutil.Table

org.apache.cayenne.access.DbLoader

org.apache.cayenne.map.AshwoodEntitySorter

org.apache.cayenne.map.AshwoodEntitySorter$DbEntityComparator

org.apache.cayenne.map.AshwoodEntitySorter$ObjEntityComparator

org.apache.cayenne.map.AshwoodEntitySorter$TableComparator

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