Package org.jboss.dna.graph.query.model

Examples of org.jboss.dna.graph.query.model.Column

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                this.projectedColumns = new ArrayList<Column>(schemataColumns.size());
                for (Schemata.Column schemataColumn : schemataColumns) {
                    String columnName = schemataColumn.getName();
                    // PropertyType type = schemataColumn.getPropertyType();
                    String propertyName = columnName;
                    Column column = new Column(sourceName, propertyName, columnName);
                    this.projectedColumns.add(column);
                }
            }
        } else {
            throw new IllegalArgumentException();
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                columnName = parts[0];
            } else {
                throw new IllegalArgumentException(GraphI18n.columnMustBeScoped.text(parts[0]));
            }
        }
        return new Column(name, propertyName, columnName);
    }
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    public QueryBuilder fromAllNodesAs( String alias ) {
        AllNodes allNodes = new AllNodes(selector(alias));
        SelectorName oldName = this.source instanceof Selector ? ((Selector)source).getName() : null;
        // Go through the columns and change the selector name to use the new alias ...
        for (int i = 0; i != columns.size(); ++i) {
            Column old = columns.get(i);
            if (old.getSelectorName().equals(oldName)) {
                columns.set(i, new Column(allNodes.getAliasOrName(), old.getPropertyName(), old.getColumnName()));
            }
        }
        this.source = allNodes;
        return this;
    }
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    public QueryBuilder from( String tableNameWithOptionalAlias ) {
        Selector selector = namedSelector(tableNameWithOptionalAlias);
        SelectorName oldName = this.source instanceof Selector ? ((Selector)source).getName() : null;
        // Go through the columns and change the selector name to use the new alias ...
        for (int i = 0; i != columns.size(); ++i) {
            Column old = columns.get(i);
            if (old.getSelectorName().equals(oldName)) {
                columns.set(i, new Column(selector.getAliasOrName(), old.getPropertyName(), old.getColumnName()));
            }
        }
        this.source = selector;
        return this;
    }
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                    Position pos = expression.getPosition();
                    String msg = GraphI18n.mustBeScopedAtLineAndColumn.text(expression, pos.getLine(), pos.getColumn());
                    throw new ParsingException(pos, msg);
                }
            }
            columns.add(new Column(selectorName, propertyName, expression.getColumnName()));
        }
        // Now create the query ...
        return new Query(source, constraint, orderings, columns, limit, isDistinct.get());
    }
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        this.locationIndexByColumnName = new HashMap<String, Integer>();
        this.columnIndexByPropertyNameBySelectorName = new HashMap<String, Map<String, Integer>>();
        List<String> selectorNames = new ArrayList<String>(columnCount);
        List<String> names = new ArrayList<String>(columnCount);
        for (int i = 0, max = this.columns.size(); i != max; ++i) {
            Column column = this.columns.get(i);
            assert column != null;
            String columnName = column.getColumnName();
            assert columnName != null;
            if (columnsByName.put(columnName, column) != null) {
                assert false : "Column names must be unique";
            }
            names.add(columnName);
            columnIndexByColumnName.put(columnName, new Integer(i));
            String selectorName = column.getSelectorName().getName();
            if (selectors.add(selectorName)) {
                selectorNames.add(selectorName);
                selectorIndex = new Integer(selectorIndex.intValue() + 1);
                locationIndexBySelectorName.put(selectorName, selectorIndex);
            }
            locationIndexByColumnIndex.put(new Integer(i), selectorIndex);
            locationIndexByColumnName.put(columnName, selectorIndex);
            // Insert the entry by selector name and property name ...
            Map<String, Integer> byPropertyName = columnIndexByPropertyNameBySelectorName.get(selectorName);
            if (byPropertyName == null) {
                byPropertyName = new HashMap<String, Integer>();
                columnIndexByPropertyNameBySelectorName.put(selectorName, byPropertyName);
            }
            byPropertyName.put(column.getPropertyName(), new Integer(i));
        }
        if (columns != null && selectorNames.isEmpty()) {
            String selectorName = DEFAULT_SELECTOR_NAME;
            selectorNames.add(selectorName);
            locationIndexBySelectorName.put(selectorName, 0);
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        this.locationIndexByColumnName = new HashMap<String, Integer>();
        this.columnIndexByPropertyNameBySelectorName = new HashMap<String, Map<String, Integer>>();
        this.selectorNames = new ArrayList<String>(columns.size());
        List<String> names = new ArrayList<String>(columns.size());
        for (int i = 0, max = this.columns.size(); i != max; ++i) {
            Column column = this.columns.get(i);
            assert column != null;
            String columnName = column.getColumnName();
            assert columnName != null;
            if (columnsByName.put(columnName, column) != null) {
                assert false : "Column names must be unique";
            }
            names.add(columnName);
            Integer columnIndex = new Integer(wrappedAround.getColumnIndexForName(columnName));
            columnIndexByColumnName.put(columnName, columnIndex);
            String selectorName = column.getSelectorName().getName();
            if (!selectorNames.contains(selectorName)) selectorNames.add(selectorName);
            Integer selectorIndex = new Integer(wrappedAround.getLocationIndex(selectorName));
            locationIndexBySelectorName.put(selectorName, selectorIndex);
            locationIndexByColumnIndex.put(new Integer(0), selectorIndex);
            locationIndexByColumnName.put(columnName, selectorIndex);
            // Insert the entry by selector name and property name ...
            Map<String, Integer> byPropertyName = columnIndexByPropertyNameBySelectorName.get(selectorName);
            if (byPropertyName == null) {
                byPropertyName = new HashMap<String, Integer>();
                columnIndexByPropertyNameBySelectorName.put(selectorName, byPropertyName);
            }
            byPropertyName.put(column.getPropertyName(), columnIndex);
        }
        if (selectorNames.isEmpty()) {
            String selectorName = DEFAULT_SELECTOR_NAME;
            selectorNames.add(selectorName);
            locationIndexBySelectorName.put(selectorName, 0);
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     * {@inheritDoc}
     *
     * @see org.jboss.dna.graph.query.QueryResults.Columns#getPropertyNameForColumn(java.lang.String)
     */
    public String getPropertyNameForColumn( String columnName ) {
        Column result = columnsByName.get(columnName);
        if (result == null) {
            throw new NoSuchElementException(GraphI18n.columnDoesNotExistInQuery.text(columnName));
        }
        return result.getPropertyName();
    }
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        if (selectNode.getSelectors().size() != 1 || !selectNode.getSelectors().contains(selectorName)) return null;

        Constraint constraint = selectNode.getProperty(Property.SELECT_CRITERIA, Constraint.class);
        Set<Column> columns = getColumnsReferencedBy(constraint);
        if (columns.size() != 1) return null;
        Column column = columns.iterator().next();
        if (!column.getSelectorName().equals(selectorName)) return null;
        if (!column.getPropertyName().equals(propertyName)) return null;

        // We know that this constraint ONLY applies to the referenced selector and property,
        // so we will duplicate this constraint ...

        // Create the new node ...
        PlanNode copy = new PlanNode(Type.SELECT, copySelectorName);

        // Copy the constraint, but change the references to the copy selector and property ...
        PlanUtil.ColumnMapping mappings = new PlanUtil.ColumnMapping(selectorName);
        mappings.map(propertyName, new Column(copySelectorName, copyPropertyName, copyPropertyName));
        Constraint newCriteria = PlanUtil.replaceReferences(context, constraint, mappings, copy);
        copy.setProperty(Property.SELECT_CRITERIA, newCriteria);

        return copy;
    }
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        final Set<Column> symbols = new HashSet<Column>();
        // Walk the entire structure, so only supply a StrategyVisitor (that does no navigation) ...
        Visitors.visitAll(visitable, new AbstractVisitor() {
            protected void addColumnFor( SelectorName selectorName,
                                         String property ) {
                symbols.add(new Column(selectorName, property, property));
            }

            @Override
            public void visit( Column column ) {
                symbols.add(column);
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Related Classes of org.jboss.dna.graph.query.model.Column

  • org.jboss.dna.graph.query.optimize.CopyCriteria
  • org.jboss.dna.graph.query.optimize.RaiseSelectCriteria
  • org.jboss.dna.graph.query.parse.SqlQueryParser
  • org.jboss.dna.graph.query.plan.CanonicalPlanner
  • org.jboss.dna.graph.query.plan.PlanUtil
  • org.jboss.dna.graph.query.plan.PlanUtil$RequiredColumnVisitor
  • org.jboss.dna.graph.query.process.AbstractAccessComponent
  • org.jboss.dna.graph.query.process.QueryResultColumns
  • org.jboss.dna.graph.query.QueryBuilder
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