java版dataset datatable源码

package com.comdot.data; import java.util.*; //在行提交的时候有唯一约束检查 public class Table { private String name; private List<Row> rows; private Meta meta; public Table() { if (this.rows == null) { this.rows = new ArrayList<Row>(); } } public Table(String name) { this.name = name; if (this.rows == null) { this.rows = new ArrayList<Row>(); } } public Table(String name, Meta meta) { this.name = name; this.meta = meta; if (this.rows == null) { this.rows = new ArrayList<Row>(); } } public String getName() { return name; } public void setName(String name) { this.name = name; } public Meta getMeta() { return this.meta; } public void setMeta(Meta meta) { this.meta = meta; } public Row newRow() { Row row = new Row(); row.setMeta(this.meta); return row; } public void addRow(Row row) throws DataException { for (int i = 0; i < this.meta.getCount(); i++) { if (this.meta.get(i).isSINGLE()) { for (int j = 0; j < this.rows.size(); j++) { if (rows.get(j).get(i) == row.get(i)) { throw new DataException("the index[" + j + "][" + i + "],only conce accepted"); } } } } this.rows.add(row); } public void clear() { this.rows.clear(); } public void removeAt(int index) { this.rows.remove(index); } public Row getRow(int index) { return this.rows.get(index); } public int getRowCount() { return this.rows.size(); } public int getColumnCount() { return this.meta.getCount(); } }