Examples with WrappedCell com.google.refine.expr.WrappedCell used on opensource projects

Example 1 with WrappedCell

use of com.google.refine.expr.WrappedCell in project OpenRefine by OpenRefine.

the class Cross method call.

@Override
public Object call(Properties bindings, Object[] args) {
    if (args.length == 3) {
        // from project is implied
        // from cell
        Object wrappedCell = args[0];
        Object toProjectName = args[1];
        Object toColumnName = args[2];
        if (wrappedCell != null && wrappedCell instanceof WrappedCell && toProjectName != null && toProjectName instanceof String && toColumnName != null && toColumnName instanceof String) {
            ProjectJoin join = ProjectManager.singleton.getInterProjectModel().getJoin(ProjectManager.singleton.getProjectMetadata(((Project) bindings.get("project")).id).getName(), ((WrappedCell) wrappedCell).columnName, (String) toProjectName, (String) toColumnName);
            return join.getRows(((WrappedCell) wrappedCell).cell.value);
        }
    }
    return new EvalError(ControlFunctionRegistry.getFunctionName(this) + " expects a cell, a project name to join with, and a column name in that project");
}

Example 2 with WrappedCell

use of com.google.refine.expr.WrappedCell in project OpenRefine by OpenRefine.

the class TextTransformOperation method createRowVisitor.

@Override
protected RowVisitor createRowVisitor(Project project, List<CellChange> cellChanges, long historyEntryID) throws Exception {
    Column column = project.columnModel.getColumnByName(_columnName);
    Evaluable eval = MetaParser.parse(_expression);
    Properties bindings = ExpressionUtils.createBindings(project);
    return new RowVisitor() {

        int cellIndex;

        Properties bindings;

        List<CellChange> cellChanges;

        Evaluable eval;

        public RowVisitor init(int cellIndex, Properties bindings, List<CellChange> cellChanges, Evaluable eval) {
            this.cellIndex = cellIndex;
            this.bindings = bindings;
            this.cellChanges = cellChanges;
            this.eval = eval;
            return this;
        }

        @Override
        public void start(Project project) {
        // nothing to do
        }

        @Override
        public void end(Project project) {
        // nothing to do
        }

        @Override
        public boolean visit(Project project, int rowIndex, Row row) {
            Cell cell = row.getCell(cellIndex);
            Cell newCell = null;
            Object oldValue = cell != null ? cell.value : null;
            ExpressionUtils.bind(bindings, row, rowIndex, _columnName, cell);
            Object o = eval.evaluate(bindings);
            if (o == null) {
                if (oldValue != null) {
                    CellChange cellChange = new CellChange(rowIndex, cellIndex, cell, null);
                    cellChanges.add(cellChange);
                }
            } else {
                if (o instanceof Cell) {
                    newCell = (Cell) o;
                } else if (o instanceof WrappedCell) {
                    newCell = ((WrappedCell) o).cell;
                } else {
                    Serializable newValue = ExpressionUtils.wrapStorable(o);
                    if (ExpressionUtils.isError(newValue)) {
                        if (_onError == OnError.KeepOriginal) {
                            return false;
                        } else if (_onError == OnError.SetToBlank) {
                            newValue = null;
                        }
                    }
                    if (!ExpressionUtils.sameValue(oldValue, newValue)) {
                        newCell = new Cell(newValue, (cell != null) ? cell.recon : null);
                        if (_repeat) {
                            for (int i = 0; i < _repeatCount; i++) {
                                ExpressionUtils.bind(bindings, row, rowIndex, _columnName, newCell);
                                newValue = ExpressionUtils.wrapStorable(eval.evaluate(bindings));
                                if (ExpressionUtils.isError(newValue)) {
                                    break;
                                } else if (ExpressionUtils.sameValue(newCell.value, newValue)) {
                                    break;
                                }
                                newCell = new Cell(newValue, newCell.recon);
                            }
                        }
                    }
                }
                if (newCell != null) {
                    CellChange cellChange = new CellChange(rowIndex, cellIndex, cell, newCell);
                    cellChanges.add(cellChange);
                }
            }
            return false;
        }
    }.init(column.getCellIndex(), bindings, cellChanges, eval);
}

Example 3 with WrappedCell

use of com.google.refine.expr.WrappedCell in project OpenRefine by OpenRefine.

the class ColumnAdditionOperation method createRowVisitor.

protected RowVisitor createRowVisitor(Project project, List<CellAtRow> cellsAtRows) throws Exception {
    Column column = project.columnModel.getColumnByName(_baseColumnName);
    Evaluable eval = MetaParser.parse(_expression);
    Properties bindings = ExpressionUtils.createBindings(project);
    return new RowVisitor() {

        int cellIndex;

        Properties bindings;

        List<CellAtRow> cellsAtRows;

        Evaluable eval;

        public RowVisitor init(int cellIndex, Properties bindings, List<CellAtRow> cellsAtRows, Evaluable eval) {
            this.cellIndex = cellIndex;
            this.bindings = bindings;
            this.cellsAtRows = cellsAtRows;
            this.eval = eval;
            return this;
        }

        @Override
        public void start(Project project) {
        // nothing to do
        }

        @Override
        public void end(Project project) {
        // nothing to do
        }

        @Override
        public boolean visit(Project project, int rowIndex, Row row) {
            Cell cell = row.getCell(cellIndex);
            Cell newCell = null;
            ExpressionUtils.bind(bindings, row, rowIndex, _baseColumnName, cell);
            Object o = eval.evaluate(bindings);
            if (o != null) {
                if (o instanceof Cell) {
                    newCell = (Cell) o;
                } else if (o instanceof WrappedCell) {
                    newCell = ((WrappedCell) o).cell;
                } else {
                    Serializable v = ExpressionUtils.wrapStorable(o);
                    if (ExpressionUtils.isError(v)) {
                        if (_onError == OnError.SetToBlank) {
                            return false;
                        } else if (_onError == OnError.KeepOriginal) {
                            v = cell != null ? cell.value : null;
                        }
                    }
                    if (v != null) {
                        newCell = new Cell(v, null);
                    }
                }
            }
            if (newCell != null) {
                cellsAtRows.add(new CellAtRow(rowIndex, newCell));
            }
            return false;
        }
    }.init(column.getCellIndex(), bindings, cellsAtRows, eval);
}