| 1 | package org.sqlorm.querybuilder; |
| 2 | |
| 3 | /** |
| 4 | * @author kasper graversen |
| 5 | */ |
| 6 | class TableIdentifierExpr implements IPositionSelectFrom { |
| 7 | private final String table; |
| 8 | private final String alias; |
| 9 | |
| 10 | public TableIdentifierExpr(final String table) { |
| 11 | this(table, ""); |
| 12 | } |
| 13 | |
| 14 | public TableIdentifierExpr(final String table, final String alias) { |
| 15 | if(table.trim().equals("")) |
| 16 | throw new IllegalArgumentException("table parameter cannot be the empty string"); |
| 17 | this.table = table; |
| 18 | this.alias = alias; |
| 19 | } |
| 20 | |
| 21 | @Override |
| 22 | public boolean equals(final Object other) { |
| 23 | if(other instanceof TableIdentifierExpr == false) |
| 24 | return false; |
| 25 | final TableIdentifierExpr o = (TableIdentifierExpr) other; |
| 26 | return table.equals(o.table) && alias.equals(o.alias); |
| 27 | } |
| 28 | |
| 29 | public void toSql(final StringBuilder sb, final String indent) { |
| 30 | sb.append(indent + table + (alias.equals("") ? "" : " AS " + alias)); |
| 31 | } |
| 32 | } |