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Neo4jPack.java
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Neo4jPack.java
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/*
* Copyright (c) 2002-2018 "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.bolt.v1.messaging;
import java.io.IOException;
import org.neo4j.bolt.v1.packstream.PackInput;
import org.neo4j.bolt.v1.packstream.PackOutput;
import org.neo4j.values.AnyValue;
import org.neo4j.values.virtual.MapValue;
/**
* Represents a single Bolt message format by exposing a {@link Packer packer} and {@link Unpacker unpacker}
* for primitives of this format.
*/
public interface Neo4jPack
{
interface Packer
{
void pack( String value ) throws IOException;
void pack( AnyValue value ) throws IOException;
void packStructHeader( int size, byte signature ) throws IOException;
void packMapHeader( int size ) throws IOException;
void packListHeader( int size ) throws IOException;
void flush() throws IOException;
}
interface Unpacker
{
AnyValue unpack() throws IOException;
String unpackString() throws IOException;
MapValue unpackMap() throws IOException;
long unpackStructHeader() throws IOException;
char unpackStructSignature() throws IOException;
long unpackListHeader() throws IOException;
}
Packer newPacker( PackOutput output );
Unpacker newUnpacker( PackInput input );
long version();
}