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Access to the Neo4j graph database through Java
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/*
* Copyright (c) "Neo4j"
* Neo4j Sweden AB [https://neo4j.com]
*
* 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.neo4j.driver;
import java.io.Serializable;
import java.util.Set;
/**
* Keeps track of bookmarks and is used by the driver to ensure causal consistency between sessions and query executions.
*
* Please note that implementations of this interface MUST NOT block for extended periods of time.
*
* Implementations must avoid calling driver.
*
* @see org.neo4j.driver.SessionConfig.Builder#withBookmarkManager(BookmarkManager)
*/
public interface BookmarkManager extends Serializable {
/**
* Updates bookmarks by deleting the given previous bookmarks and adding the new bookmarks.
*
* @param previousBookmarks the previous bookmarks
* @param newBookmarks the new bookmarks
*/
void updateBookmarks(Set previousBookmarks, Set newBookmarks);
/**
* Gets an immutable set of bookmarks.
*
* @return the set of bookmarks.
*/
Set getBookmarks();
}
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