org.apache.openjpa.kernel.QueryFlushModes Maven / Gradle / Ivy
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* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
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*
* http://www.apache.org/licenses/LICENSE-2.0
*
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*/
package org.apache.openjpa.kernel;
import org.apache.openjpa.conf.OpenJPAConfiguration;
/**
* Constants for determining when to flush before queries.
*
* @author Abe White
* @since 0.4.0
*/
public interface QueryFlushModes {
/**
* Constant denoting that queries should flush data to the
* database automatically whenever OpenJPA determines that relevant
* modifications have been made and IgnoreCache is
* false. See
* {@link OpenJPAConfiguration#getFlushBeforeQueries}
* for more info.
*/
public static final int FLUSH_TRUE = 0;
/**
* Constant denoting that queries should never flush data
* to the database automatically before executing a query, but
* should instead execute queries in-memory if necessary. See
* {@link OpenJPAConfiguration#getFlushBeforeQueries} for more info.
*/
public static final int FLUSH_FALSE = 1;
/**
* Constant denoting that queries should flush data to the
* database automatically when OpenJPA determines that relevant
* modifications have been made and the current
* context already has a dedicated connection. See
* {@link OpenJPAConfiguration#getFlushBeforeQueries} for more info.
*/
public static final int FLUSH_WITH_CONNECTION = 2;
}