org.tinygroup.tinysqldsl.selectitem.SelectExpressionItem Maven / Gradle / Ivy
/**
* Copyright (c) 1997-2013, www.tinygroup.org ([email protected]).
*
* Licensed under the GPL, Version 3.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.gnu.org/licenses/gpl.html
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.tinygroup.tinysqldsl.selectitem;
import org.tinygroup.tinysqldsl.base.Alias;
import org.tinygroup.tinysqldsl.base.StatementSqlBuilder;
import org.tinygroup.tinysqldsl.expression.Expression;
/**
* An expression as in "SELECT expr1 AS EXPR"
*/
public class SelectExpressionItem implements SelectItem {
private Expression expression;
private Alias alias;
public SelectExpressionItem() {
}
public SelectExpressionItem(Expression expression) {
this.expression = expression;
}
public Alias getAlias() {
return alias;
}
public void setAlias(Alias alias) {
this.alias = alias;
}
public Expression getExpression() {
return expression;
}
public void setExpression(Expression expression) {
this.expression = expression;
}
public String toString() {
return expression + ((alias != null) ? alias.toString() : "");
}
public void builderSelectItem(StatementSqlBuilder builder) {
getExpression().builderExpression(builder);
if (getAlias() != null) {
builder.appendSql(getAlias().toString());
}
}
}