org.tinygroup.tinysqldsl.expression.WhenClause 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.expression;
import org.tinygroup.tinysqldsl.base.StatementSqlBuilder;
/**
* A clause of following syntax: WHEN condition THEN expression. Which is part
* of a CaseExpression.
*
*/
public class WhenClause implements Expression {
private Expression whenExpression;
private Expression thenExpression;
/**
* @return Returns the thenExpression.
*/
public Expression getThenExpression() {
return thenExpression;
}
/**
* @param thenExpression The thenExpression to set.
*/
public void setThenExpression(Expression thenExpression) {
this.thenExpression = thenExpression;
}
/**
* @return Returns the whenExpression.
*/
public Expression getWhenExpression() {
return whenExpression;
}
/**
* @param whenExpression
* The whenExpression to set.
*/
public void setWhenExpression(Expression whenExpression) {
this.whenExpression = whenExpression;
}
public String toString() {
return "WHEN " + whenExpression + " THEN " + thenExpression;
}
public void builderExpression(StatementSqlBuilder builder) {
StringBuilder buffer = builder.getStringBuilder();
buffer.append("WHEN ");
getWhenExpression().builderExpression(builder);
buffer.append(" THEN ");
getThenExpression().builderExpression(builder);
buffer.append(" ");
}
}