org.tentackle.pdo.NoTransaction Maven / Gradle / Ivy
/*
* Tentackle - https://tentackle.org
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.tentackle.pdo;
import org.tentackle.reflect.Interception;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* Annotation to verify that there is no transaction currently running.
*
* This may be useful for methods providing stale data, for example cached or lazy references.
*
* Another use case is to make sure that a new transaction is always started. This can be accomplished
* by a {@code @NoTransaction} annotation followed by a {@code @Transaction} annotation.
*
* @see Transaction
*/
@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
@Interception(implementedBy=NoTransactionInterceptor.class, type = Interception.Type.PUBLIC)
public @interface NoTransaction {
/**
* Transactions must be avoided only if the PDO is cached.
*
* @return true if cached only, default is false
*/
boolean cachedOnly() default false;
}