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[#2344] Add a new ControlFlowException that is used to explicitly jump

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out of a control flow
This commit is contained in:
Lukas Eder 2013-04-28 14:26:24 +02:00
parent c5df4f8db9
commit 7022813865
2 changed files with 80 additions and 3 deletions
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76
jOOQ/src/main/java/org/jooq/exception/ControlFlowException.java Normal file
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@ -0,0 +1,76 @@
/**
* Copyright (c) 2009-2013, Lukas Eder, lukas.eder@gmail.com
* All rights reserved.
*
* This software is licensed to you under the Apache License, Version 2.0
* (the "License"); You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* . Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* . Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* . Neither the name "jOOQ" nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package org.jooq.exception;
import org.jooq.ExecuteListener;
import org.jooq.UpdatableRecord;
/**
* An exception that is used to influence control flows.
* <p>
* There are some specific cases, where control flows can be aborted or
* otherwise influenced using well-defined exceptions. Some examples where this
* can be very useful:
* <ul>
* <li>When generating SQL from {@link UpdatableRecord#store()} methods, without
* actually executing the SQL</li>
* </ul>
* <p>
* Typically, a <code>ControlFlowException</code> is thrown from within an
* {@link ExecuteListener}.
*
* @author Lukas Eder
* @see ExecuteListener
*/
public class ControlFlowException extends RuntimeException {
/**
* Generated UID
*/
private static final long serialVersionUID = -3269663230218616147L;
/**
* Create a new <code>ControlFlowException</code>.
*/
public ControlFlowException() {}
/**
* Create a new <code>ControlFlowException</code>.
*/
public ControlFlowException(String message) {
super(message);
}
}

7
jOOQ/src/main/java/org/jooq/impl/BatchCRUD.java
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@ -51,6 +51,7 @@ import org.jooq.DSLContext;
import org.jooq.ExecuteContext;
import org.jooq.Query;
import org.jooq.UpdatableRecord;
import org.jooq.exception.ControlFlowException;
import org.jooq.exception.DataAccessException;
/**
@ -270,12 +271,12 @@ class BatchCRUD implements Batch {
}
/**
* A query execution interception signal
* A query execution interception signal.
* <p>
* This exception is used as a signal for jOOQ's internals to abort query
* execution, and return generated SQL back to batch execution
* execution, and return generated SQL back to batch execution.
*/
private static class QueryCollectorException extends RuntimeException {
private static class QueryCollectorException extends ControlFlowException {
/**
* Generated UID