org.tinygroup.tinysqldsl.formitem.SubJoin 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.formitem;
import org.tinygroup.tinysqldsl.base.Alias;
import org.tinygroup.tinysqldsl.base.StatementSqlBuilder;
import org.tinygroup.tinysqldsl.select.Join;
/**
* 用来支持join操作
*/
public class SubJoin implements FromItem {
private FromItem left;
private Join join;
private Alias alias;
public SubJoin(FromItem left, Join join, Alias alias) {
super();
this.left = left;
this.join = join;
this.alias = alias;
}
public FromItem getLeft() {
return left;
}
public void setLeft(FromItem l) {
left = l;
}
public Join getJoin() {
return join;
}
public void setJoin(Join j) {
join = j;
}
public Alias getAlias() {
return alias;
}
public void setAlias(Alias alias) {
this.alias = alias;
}
public String toString() {
return "(" + left + " " + join + ")"
+ ((alias != null) ? alias.toString() : "");
}
public void builderFromItem(StatementSqlBuilder builder) {
StringBuilder buffer = builder.getStringBuilder();
buffer.append("(");
getLeft().builderFromItem(builder);
builder.deparseJoin(getJoin());
buffer.append(")");
}
}