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PrimitiveOnlyValueWriter.java
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PrimitiveOnlyValueWriter.java
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/*
* 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 <http://www.gnu.org/licenses/>.
*/
package org.neo4j.bolt.v1.messaging.decoder;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.OffsetTime;
import java.time.ZonedDateTime;
import org.neo4j.graphdb.Node;
import org.neo4j.graphdb.Relationship;
import org.neo4j.graphdb.spatial.Point;
import org.neo4j.kernel.impl.util.BaseToObjectValueWriter;
import org.neo4j.values.AnyValue;
import org.neo4j.values.AnyValueWriter;
import org.neo4j.values.storable.CoordinateReferenceSystem;
/**
* {@link AnyValueWriter Writer} that allows to convert {@link AnyValue} to any primitive Java type. It explicitly
* prohibits conversion of nodes, relationships, spatial and temporal types. They are not expected in auth token map.
*/
public class PrimitiveOnlyValueWriter extends BaseToObjectValueWriter<RuntimeException>
{
public Object valueAsObject( AnyValue value )
{
value.writeTo( this );
return value();
}
@Override
protected Node newNodeProxyById( long id )
{
throw new UnsupportedOperationException( "INIT message metadata should not contain nodes" );
}
@Override
protected Relationship newRelationshipProxyById( long id )
{
throw new UnsupportedOperationException( "INIT message metadata should not contain relationships" );
}
@Override
protected Point newPoint( CoordinateReferenceSystem crs, double[] coordinate )
{
throw new UnsupportedOperationException( "INIT message metadata should not contain points" );
}
@Override
public void writeByteArray( byte[] value )
{
throw new UnsupportedOperationException( "INIT message metadata should not contain byte arrays" );
}
@Override
public void writeDuration( long months, long days, long seconds, int nanos )
{
throw new UnsupportedOperationException( "INIT message metadata should not contain durations" );
}
@Override
public void writeDate( LocalDate localDate )
{
throw new UnsupportedOperationException( "INIT message metadata should not contain dates" );
}
@Override
public void writeLocalTime( LocalTime localTime )
{
throw new UnsupportedOperationException( "INIT message metadata should not contain local dates" );
}
@Override
public void writeTime( OffsetTime offsetTime )
{
throw new UnsupportedOperationException( "INIT message metadata should not contain time values" );
}
@Override
public void writeLocalDateTime( LocalDateTime localDateTime )
{
throw new UnsupportedOperationException( "INIT message metadata should not contain local date-time values" );
}
@Override
public void writeDateTime( ZonedDateTime zonedDateTime )
{
throw new UnsupportedOperationException( "INIT message metadata should not contain date-time values" );
}
}