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/*
 * Copyright (c) 2018-2020 "Graph Foundation"
 * Graph Foundation, Inc. [https://graphfoundation.org]
 *
 * Copyright (c) 2002-2020 "Neo4j,"
 * Neo4j Sweden AB [http://neo4j.com]
 *
 * This file is part of ONgDB.
 *
 * ONgDB is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see .
 */
package org.neo4j.test.rule;

import org.junit.runner.Description;
import org.junit.runners.model.Statement;

import org.neo4j.graphdb.factory.GraphDatabaseBuilder;
import org.neo4j.graphdb.factory.GraphDatabaseFactory;
import org.neo4j.io.layout.DatabaseLayout;
import org.neo4j.test.TestGraphDatabaseFactory;


/**
 * JUnit @Rule for configuring, creating and managing an EmbeddedGraphDatabase instance.
 * 

* The database instance is created lazily, so configurations can be injected prior to calling * {@link #getGraphDatabaseAPI()}. */ public class EmbeddedDatabaseRule extends DatabaseRule { private final TestDirectory testDirectory; public EmbeddedDatabaseRule() { this.testDirectory = TestDirectory.testDirectory(); } public EmbeddedDatabaseRule( TestDirectory testDirectory ) { this.testDirectory = testDirectory; } @Override public EmbeddedDatabaseRule startLazily() { return (EmbeddedDatabaseRule) super.startLazily(); } @Override public DatabaseLayout databaseLayout() { return testDirectory.databaseLayout(); } @Override protected GraphDatabaseFactory newFactory() { return new TestGraphDatabaseFactory(); } @Override protected GraphDatabaseBuilder newBuilder( GraphDatabaseFactory factory ) { return factory.newEmbeddedDatabaseBuilder( testDirectory.databaseDir() ); } @Override public Statement apply( Statement base, Description description ) { return testDirectory.apply( super.apply( base, description ), description ); } }





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