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GraphDatabaseServiceCleaner.java
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GraphDatabaseServiceCleaner.java
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/*
* Copyright (c) 2002-2016 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.com]
*
* This file is part of Neo4j.
*
* Neo4j 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 <http://www.gnu.org/licenses/>.
*/
package org.neo4j.test;
import org.neo4j.graphdb.GraphDatabaseService;
import org.neo4j.graphdb.Node;
import org.neo4j.graphdb.Relationship;
import org.neo4j.graphdb.Transaction;
import org.neo4j.graphdb.schema.ConstraintDefinition;
import org.neo4j.graphdb.schema.IndexDefinition;
public class GraphDatabaseServiceCleaner
{
private GraphDatabaseServiceCleaner()
{
throw new UnsupportedOperationException();
}
public static void cleanDatabaseContent( GraphDatabaseService db )
{
cleanupSchema( db );
cleanupAllRelationshipsAndNodes( db );
}
public static void cleanupSchema( GraphDatabaseService db )
{
try ( Transaction tx = db.beginTx() )
{
for ( ConstraintDefinition constraint : db.schema().getConstraints() )
{
constraint.drop();
}
for ( IndexDefinition index : db.schema().getIndexes() )
{
index.drop();
}
tx.success();
}
}
public static void cleanupAllRelationshipsAndNodes( GraphDatabaseService db )
{
try ( Transaction tx = db.beginTx() )
{
for ( Relationship relationship : db.getAllRelationships() )
{
relationship.delete();
}
for ( Node node : db.getAllNodes() )
{
node.delete();
}
tx.success();
}
}
}