org.apache.metamodel.schema.Table.getColumns()方法的使用及代码示例

x33g5p2x  于2022-01-30 转载在 其他  
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本文整理了Java中org.apache.metamodel.schema.Table.getColumns()方法的一些代码示例，展示了Table.getColumns()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Table.getColumns()方法的具体详情如下：
包路径：org.apache.metamodel.schema.Table
类名称：Table
方法名：getColumns

Table.getColumns介绍

[英]Gets the columns of this table.
[中]获取此表的列。

代码示例

代码示例来源：origin: apache/metamodel

  1. @Override
  2. public List<Column> getColumns() {
  3.   return aliasedTable.getColumns();
  4. }

代码示例来源：origin: datacleaner/DataCleaner

  1. public Column[] getColumns() {
  2.   if (_columns == null) {
  3.     return _table.getColumns().toArray(new Column[0]);
  4.   }
  5.   return _columns;
  6. }

代码示例来源：origin: org.eobjects.datacleaner/DataCleaner-monitor-services

  1. private List<Map<String, Object>> createColumnList(Table table) {
  2.   List<Map<String, Object>> columns = new ArrayList<>();
  3.   for (Column column : table.getColumns()) {
  4.     columns.add(createColumnMap(column));
  5.   }
  6.   return columns;
  7. }

代码示例来源：origin: datacleaner/DataCleaner

  1. /**
  2.    * toggles whether or not the column is in the source selection
  3.    */
  4.   public void removeTable(final Table table) {
  5.     final List<Column> columns = table.getColumns();
  6.     for (final Column column : columns) {
  7.       _analysisJobBuilder.removeSourceColumn(column);
  8.     }
  9.   }
  10. }

代码示例来源：origin: datacleaner/DataCleaner

  1. @Override
  2. protected Void doInBackground() throws Exception {
  3.   final Table table = (Table) _tableNode.getUserObject();
  4.   final List<Column> columns = table.getColumns();
  5.   for (final Column column : columns) {
  6.     final String name = column.getName();
  7.     logger.debug("Publishing column name: {}", name);
  8.     publish(column);
  9.   }
  10.   return null;
  11. }

代码示例来源：origin: apache/metamodel

  1. public static DataSet getDataSet(Workbook workbook, Sheet sheet, Table table, ExcelConfiguration configuration) {
  2.     final List<SelectItem> selectItems =
  3.         table.getColumns().stream().map(SelectItem::new).collect(Collectors.toList());
  4.     final Iterator<Row> rowIterator = getRowIterator(sheet, configuration, true);
  5.     if (!rowIterator.hasNext()) {
  6.       // no more rows!
  7.       FileHelper.safeClose(workbook);
  8.       return new EmptyDataSet(selectItems);
  9.     }
  11.     final DataSet dataSet = new XlsDataSet(selectItems, workbook, rowIterator);
  12.     return dataSet;
  13.   }
  14. }

代码示例来源：origin: datacleaner/DataCleaner

  1. /**
  2.  * toggles whether or not the column is in the source selection
  3.  */
  4. public void addTable(final Table table) {
  5.   final List<Column> columns = table.getColumns();
  6.   for (final Column column : columns) {
  7.     if (!_analysisJobBuilder.containsSourceColumn(column)) {
  8.       _analysisJobBuilder.addSourceColumn(column);
  9.     }
  10.   }
  11. }

代码示例来源：origin: apache/metamodel

  1. @Override
  2. public TableCreationBuilder like(Table table) {
  3.   logger.debug("like({})", table);
  4.   List<Column> columns = table.getColumns();
  5.   for (Column column : columns) {
  6.     withColumn(column.getName()).like(column);
  7.   }
  8.   return this;
  9. }

代码示例来源：origin: org.apache.metamodel/MetaModel-core

  1. @Override
  2. public TableCreationBuilder like(Table table) {
  3.   logger.debug("like({})", table);
  4.   List<Column> columns = table.getColumns();
  5.   for (Column column : columns) {
  6.     withColumn(column.getName()).like(column);
  7.   }
  8.   return this;
  9. }

代码示例来源：origin: org.apache.metamodel/MetaModel-core

  1. protected ImmutableTable(Table table, ImmutableSchema schema) {
  2.   this(table.getName(), table.getType(), schema, table.getRemarks(),
  3.       table.getQuote());
  4.   List<Column> origColumns = table.getColumns();
  5.   for (Column column : origColumns) {
  6.     columns.add(new ImmutableColumn(column, this));
  7.   }
  8. }

代码示例来源：origin: apache/metamodel

  1. protected ImmutableTable(Table table, ImmutableSchema schema) {
  2.   this(table.getName(), table.getType(), schema, table.getRemarks(),
  3.       table.getQuote());
  4.   List<Column> origColumns = table.getColumns();
  5.   for (Column column : origColumns) {
  6.     columns.add(new ImmutableColumn(column, this));
  7.   }
  8. }

代码示例来源：origin: org.apache.metamodel/MetaModel-jdbc

  1. public Schema toSerializableForm() {
  2.   for (Table table : getTables()) {
  3.     table.getColumns();
  4.     table.getIndexedColumns();
  5.     table.getPrimaryKeys();
  6.   }
  7.   loadRelations();
  8.   return this;
  9. }

代码示例来源：origin: datacleaner/DataCleaner

  1. public List<Column> getColumns() {
  2.     if (_columns == null) {
  3.       try (DatastoreConnection openConnection = _jsonDatastore.openConnection()) {
  4.         _columns = openConnection.getDataContext().getDefaultSchema().getTable(0).getColumns();
  5.       }
  6.     }
  7.     return _columns;
  8.   }
  9. }

代码示例来源：origin: datacleaner/DataCleaner

  1. @Override
  2. protected DataSet materializeMainSchemaTable(final Table table, final List<Column> columns, final int maxRows) {
  3.   final SelectItem[] tableSelectItems = MetaModelHelper.createSelectItems(table.getColumns().toArray(new Column[0]));
  4.   final SelectItem[] selectItems = MetaModelHelper.createSelectItems(columns.toArray(new Column[0]));
  5.   final SimpleDataSetHeader header = new SimpleDataSetHeader(tableSelectItems);
  6.   final List<Row> rows = new ArrayList<>();
  7.   
  8.   final SimpleDataSetHeader subSelectionHeader = new SimpleDataSetHeader(selectItems);
  9.   rows.add(new DefaultRow(header, new Object[] { 1, "hello" }).getSubSelection(subSelectionHeader));
  10.   rows.add(new DefaultRow(header, new Object[] { 2, "there" }).getSubSelection(subSelectionHeader));
  11.   rows.add(new DefaultRow(header, new Object[] { 3, "big" }).getSubSelection(subSelectionHeader));
  12.   rows.add(new DefaultRow(header, new Object[] { 4, "wide" }).getSubSelection(subSelectionHeader));
  13.   rows.add(new DefaultRow(header, new Object[] { 5, "world" }).getSubSelection(subSelectionHeader));
  14.   return new InMemoryDataSet(rows);
  15. }

代码示例来源：origin: apache/metamodel

  1. public Schema toSerializableForm() {
  2.   for (Table table : getTables()) {
  3.     table.getColumns();
  4.     table.getIndexedColumns();
  5.     table.getPrimaryKeys();
  6.   }
  7.   loadRelations();
  8.   return this;
  9. }

代码示例来源：origin: datacleaner/DataCleaner

  1. @Override
  2. public OutputDataStreamBuilder likeTable(final Table table) {
  3.   final List<Column> existingColumns = _table.getColumns();
  4.   for (final Column column : existingColumns) {
  5.     _table.removeColumn(column);
  6.   }
  7.   final List<Column> newColumns = table.getColumns();
  8.   for (final Column column : newColumns) {
  9.     withColumn(column.getName(), column.getType());
  10.   }
  11.   return this;
  12. }

代码示例来源：origin: datacleaner/DataCleaner

  1. private void addTableToSource(final DatastoreConnection con) {
  2.   if (con != null) {
  3.     final Schema defaultSchema = con.getSchemaNavigator().getDefaultSchema();
  4.     final int datastoreSize = defaultSchema.getTableCount();
  5.     if (datastoreSize == 1) {
  6.       final List<Column> columns = defaultSchema.getTable(0).getColumns();
  7.       _analysisJobBuilder.addSourceColumns(columns);
  8.     }
  9.   }
  10. }

代码示例来源：origin: datacleaner/DataCleaner

  1. @Override
  2.   protected RowProcessingQueryOptimizer getQueryOptimizer() {
  3.     final Table table = getStream().getTable();
  4.     final Query q = new Query().from(table).select(table.getColumns());
  6.     return new NoopRowProcessingQueryOptimizer(q, getConsumersSorted());
  7.   }
  8. }

代码示例来源：origin: apache/metamodel

  1. protected List<Row> getRowsToUpdate() {
  2.   final DataContext dc = _updateCallback.getDataContext();
  3.   final Table table = getTable();
  4.   final List<FilterItem> whereItems = getWhereItems();
  5.   final DataSet dataSet = dc.query()
  6.       .from(table)
  7.       .select(table.getColumns())
  8.       .where(whereItems).execute();
  9.   final List<Row> rows = dataSet.toRows();
  10.   return rows;
  11. }

代码示例来源：origin: org.apache.metamodel/MetaModel-core

  1. protected List<Row> getRowsToUpdate() {
  2.   final DataContext dc = _updateCallback.getDataContext();
  3.   final Table table = getTable();
  4.   final List<FilterItem> whereItems = getWhereItems();
  5.   final DataSet dataSet = dc.query()
  6.       .from(table)
  7.       .select(table.getColumns())
  8.       .where(whereItems).execute();
  9.   final List<Row> rows = dataSet.toRows();
  10.   return rows;
  11. }

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