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GraphDatabaseAPI.java
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GraphDatabaseAPI.java
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/*
* Copyright (c) 2002-2017 "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.kernel.internal;
import java.io.File;
import java.net.URL;
import java.util.concurrent.TimeUnit;
import org.neo4j.graphdb.DependencyResolver;
import org.neo4j.graphdb.GraphDatabaseService;
import org.neo4j.graphdb.security.URLAccessValidationError;
import org.neo4j.kernel.api.KernelTransaction;
import org.neo4j.kernel.api.security.SecurityContext;
import org.neo4j.kernel.impl.coreapi.InternalTransaction;
import org.neo4j.kernel.impl.store.StoreId;
/**
* This API can be used to get access to services.
*/
public interface GraphDatabaseAPI extends GraphDatabaseService
{
/**
* Look up database components for direct access.
* Usage of this method is generally an indication of architectural error.
*/
DependencyResolver getDependencyResolver();
/** Provides the unique id assigned to this database. */
StoreId storeId();
/**
* Validate whether this database instance is permitted to reach out to the specified URL (e.g. when using {@code LOAD CSV} in Cypher).
*
* @param url the URL being validated
* @return an updated URL that should be used for accessing the resource
*/
URL validateURLAccess( URL url ) throws URLAccessValidationError;
File getStoreDir();
/**
* Begin internal transaction with specified type and access mode
* @param type transaction type
* @param securityContext transaction security context
* @return internal transaction
*/
InternalTransaction beginTransaction( KernelTransaction.Type type, SecurityContext securityContext );
/**
* Begin internal transaction with specified type, access mode and timeout
* @param type transaction type
* @param securityContext transaction security context
* @param timeout transaction timeout
* @param unit time unit of timeout argument
* @return internal transaction
*/
InternalTransaction beginTransaction( KernelTransaction.Type type, SecurityContext securityContext, long timeout, TimeUnit unit );
}