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/*
* Copyright (c) "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.fabric.executor;
import java.util.Objects;
import java.util.UUID;
import org.neo4j.configuration.helpers.RemoteUri;
public class Location
{
private final long graphId;
private final UUID uuid;
private final String databaseName;
private Location( long graphId, UUID uuid, String databaseName )
{
this.graphId = graphId;
this.uuid = uuid;
this.databaseName = databaseName;
}
public long getGraphId()
{
return graphId;
}
public UUID getUuid()
{
return uuid;
}
public String getDatabaseName()
{
return databaseName;
}
/**
* A Local location refers to a graph/database running on this instance of Neo4j.
*/
public static class Local extends Location
{
public Local( long id, UUID uuid, String databaseName )
{
super( id, uuid, databaseName );
}
@Override
public boolean equals( Object o )
{
if ( this == o )
{
return true;
}
if ( o == null || getClass() != o.getClass() )
{
return false;
}
Local local = (Local) o;
return Objects.equals( getGraphId(), local.getGraphId() )
&& Objects.equals( getUuid(), local.getUuid() )
&& Objects.equals( getDatabaseName(), local.getDatabaseName() );
}
@Override
public int hashCode()
{
return Objects.hash( getGraphId(), getUuid(), getDatabaseName() );
}
@Override
public String toString()
{
return "Local{" + "graphId=" + getGraphId() + ", uuid=" + getUuid() + ", databaseName='" + getDatabaseName() + '\'' + '}';
}
}
/**
* A Remote location refers to a graph/database running on another instance of Neo4j.
* This instance may or may not be part of the same DBMS.
*/
public abstract static class Remote extends Location
{
private final RemoteUri uri;
protected Remote( long id, UUID uuid, RemoteUri uri, String databaseName )
{
super( id, uuid, databaseName );
this.uri = uri;
}
public RemoteUri getUri()
{
return uri;
}
/**
* A Remote.Internal location refers to a graph/database running on another instance of Neo4j within
* the same DBMS.
*/
public static class Internal extends Remote
{
public Internal( long id, UUID uuid, RemoteUri uri, String databaseName )
{
super( id, uuid, uri, databaseName );
}
@Override
public boolean equals( Object o )
{
if ( this == o )
{
return true;
}
if ( o == null || getClass() != o.getClass() )
{
return false;
}
Remote remote = (Remote) o;
return getUri().equals( remote.getUri() ) || Objects.equals( getGraphId(), remote.getGraphId() )
&& Objects.equals( getUuid(), remote.getUuid() )
&& Objects.equals( getDatabaseName(), remote.getDatabaseName() );
}
@Override
public int hashCode()
{
return Objects.hash( getUri(), getGraphId(), getUuid(), getDatabaseName() );
}
@Override
public String toString()
{
return "Internal{" + "graphId=" + getGraphId() + ", uuid=" + getUuid() + ", databaseName='" + getDatabaseName() + '\'' + ", uri=" + getUri() +
'}';
}
}
/**
* A Remote.External location refers to a graph/database running on another instance of Neo4j, in another DBMS.
*/
public static class External extends Remote
{
public External( long id, UUID uuid, RemoteUri uri, String databaseName )
{
super( id, uuid, uri, databaseName );
}
@Override
public boolean equals( Object o )
{
if ( this == o )
{
return true;
}
if ( !(o instanceof External) )
{
return false;
}
Remote remote = (Remote) o;
return getUri().equals( remote.getUri() ) || Objects.equals( getGraphId(), remote.getGraphId() )
&& Objects.equals( getUuid(), remote.getUuid() )
&& Objects.equals( getDatabaseName(), remote.getDatabaseName() );
}
@Override
public int hashCode()
{
return Objects.hash( getUri(), getGraphId(), getUuid(), getDatabaseName() );
}
@Override
public String toString()
{
return "External{" + "graphId=" + getGraphId() + ", uuid=" + getUuid() + ", databaseName='" + getDatabaseName() + '\'' + ", uri=" + getUri() +
'}';
}
}
/**
* When connecting to an external neo4j instance via an internal driver, we need to authenticate with that remote instance.
*
* When a location is {@link External} we will attempt to connect with the credentials of the current authenticated user on this instance.
* When a location is {@link ExternalWithCredentials} we will look up specific credentials for that remote instance and use those, rather
* than the credentials of the current authenticated user.
*/
public static class ExternalWithCredentials extends External
{
private final String locationName;
public ExternalWithCredentials( long id, UUID uuid, RemoteUri uri, String databaseName, String locationName )
{
super( id, uuid, uri, databaseName );
this.locationName = locationName;
}
public String locationName()
{
return locationName;
}
}
}
}
