pagetimestamp.java

来自「derby database source code.good for you.」· Java 代码 · 共 37 行

/*

   Derby - Class org.apache.derby.iapi.store.raw.PageTimeStamp

   Copyright 1997, 2004 The Apache Software Foundation or its licensors, as applicable.

   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.

 */

package org.apache.derby.iapi.store.raw;

/**
	The type definition of a time stamp that can be associated with pages that
	supports 'time stamp'.

	What a time stamp contains is up to the page.  It is expected that a time
	stamp implementation will collaborate with the page to implement a value
	equality.
	@see Page#equalTimeStamp
*/

public interface PageTimeStamp
{
	/** No method definition.  This is a type definition */
}