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The core of Neo4j Bolt Protocol, this contains the state machine for Bolt sessions.
/*
* Copyright (c) 2002-2018 "Neo4j,"
* Neo4j Sweden AB [http://neo4j.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 .
*/
package org.neo4j.bolt.v1.runtime;
import java.util.Map;
import org.neo4j.bolt.BoltConnectionDescriptor;
import org.neo4j.bolt.security.auth.Authentication;
import org.neo4j.bolt.security.auth.AuthenticationException;
import org.neo4j.bolt.security.auth.AuthenticationResult;
import org.neo4j.kernel.api.bolt.BoltConnectionTracker;
import org.neo4j.kernel.impl.logging.LogService;
import org.neo4j.kernel.internal.Version;
import org.neo4j.udc.UsageData;
import org.neo4j.udc.UsageDataKeys;
class BoltStateMachineSPI implements BoltStateMachine.SPI
{
private final BoltConnectionDescriptor connectionDescriptor;
private final UsageData usageData;
private final ErrorReporter errorReporter;
private final BoltConnectionTracker connectionTracker;
private final Authentication authentication;
private final String version;
private final TransactionStateMachine.SPI transactionSpi;
BoltStateMachineSPI( BoltConnectionDescriptor connectionDescriptor,
UsageData usageData,
LogService logging,
Authentication authentication,
BoltConnectionTracker connectionTracker,
TransactionStateMachine.SPI transactionStateMachineSPI )
{
this.connectionDescriptor = connectionDescriptor;
this.usageData = usageData;
this.errorReporter = new ErrorReporter( logging );
this.connectionTracker = connectionTracker;
this.authentication = authentication;
this.transactionSpi = transactionStateMachineSPI;
this.version = "Neo4j/" + Version.getNeo4jVersion();
}
@Override
public BoltConnectionDescriptor connectionDescriptor()
{
return connectionDescriptor;
}
@Override
public void register( BoltStateMachine machine, String owner )
{
connectionTracker.onRegister( machine, owner );
}
@Override
public TransactionStateMachine.SPI transactionSpi()
{
return transactionSpi;
}
@Override
public void onTerminate( BoltStateMachine machine )
{
connectionTracker.onTerminate( machine );
}
@Override
public void reportError( Neo4jError err )
{
errorReporter.report( err );
}
@Override
public AuthenticationResult authenticate( Map authToken ) throws AuthenticationException
{
return authentication.authenticate( authToken );
}
@Override
public void udcRegisterClient( String clientName )
{
usageData.get( UsageDataKeys.clientNames ).add( clientName );
}
@Override
public String version()
{
return version;
}
}