org.jooq.CaseConditionStep Maven / Gradle / Ivy
/**
* Copyright (c) 2009-2014, Data Geekery GmbH (http://www.datageekery.com)
* All rights reserved.
*
* This work is dual-licensed
* - under the Apache Software License 2.0 (the "ASL")
* - under the jOOQ License and Maintenance Agreement (the "jOOQ License")
* =============================================================================
* You may choose which license applies to you:
*
* - If you're using this work with Open Source databases, you may choose
* either ASL or jOOQ License.
* - If you're using this work with at least one commercial database, you must
* choose jOOQ License
*
* For more information, please visit http://www.jooq.org/licenses
*
* Apache Software License 2.0:
* -----------------------------------------------------------------------------
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* 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.
*
* jOOQ License and Maintenance Agreement:
* -----------------------------------------------------------------------------
* Data Geekery grants the Customer the non-exclusive, timely limited and
* non-transferable license to install and use the Software under the terms of
* the jOOQ License and Maintenance Agreement.
*
* This library is distributed with a LIMITED WARRANTY. See the jOOQ License
* and Maintenance Agreement for more details: http://www.jooq.org/licensing
*/
package org.jooq;
/**
* The final step in creating a case statement of the type
* CASE WHEN x < 1 THEN 'one'
* WHEN x >= 2 THEN 'two'
* ELSE 'three'
* END
*
The type returned by this case statement
* @author Lukas Eder
* @see Case
*/
public interface CaseConditionStep extends Field {
/**
* Compare a condition to the already constructed case statement, return
* result if the condition holds true
*
* @param condition The condition to add to the case statement
* @param result The result value if the condition holds true
* @return An intermediary step for case statement construction
*/
@Support
CaseConditionStep when(Condition condition, T result);
/**
* Compare a condition to the already constructed case statement, return
* result if the condition holds true
*
* @param condition The condition to add to the case statement
* @param result The result value if the condition holds true
* @return An intermediary step for case statement construction
*/
@Support
CaseConditionStep when(Condition condition, Field result);
/**
* Compare a condition to the already constructed case statement, return
* result if the condition holds true
*
* @param condition The condition to add to the case statement
* @param result The result value if the condition holds true
* @return An intermediary step for case statement construction
*/
@Support
CaseConditionStep when(Condition condition, Select> result);
/**
* Add an else clause to the already constructed case statement
*
* @param result The result value if no other value matches the case
* @return The resulting field from case statement construction
*/
@Support
Field otherwise(T result);
/**
* Add an else clause to the already constructed case statement
*
* @param result The result value if no other value matches the case
* @return The resulting field from case statement construction
*/
@Support
Field otherwise(Field result);
/**
* Add an else clause to the already constructed case statement
*
* @param result The result value if no other value matches the case
* @return The resulting field from case statement construction
*/
@Support
Field otherwise(Select> result);
}