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Interfaces and baseclasses needed to create your own extensions.
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/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [https://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.server.rest.repr;

import java.net.URI;

public abstract class Representation {
    // non-inlineable constants
    public static final String GRAPHDB = RepresentationType.GRAPHDB.valueName;
    public static final String INDEX = RepresentationType.INDEX.valueName;
    public static final String NODE_INDEXES = RepresentationType.NODE_INDEX_ROOT.valueName;
    public static final String RELATIONSHIP_INDEXES = RepresentationType.RELATIONSHIP_INDEX_ROOT.valueName;
    public static final String NODE = RepresentationType.NODE.valueName;
    public static final String NODE_LIST = RepresentationType.NODE.listName;
    public static final String RELATIONSHIP = RepresentationType.RELATIONSHIP.valueName;
    public static final String RELATIONSHIP_LIST = RepresentationType.RELATIONSHIP.listName;
    public static final String PATH = RepresentationType.PATH.valueName;
    public static final String PATH_LIST = RepresentationType.PATH.listName;
    public static final String RELATIONSHIP_TYPE = RepresentationType.RELATIONSHIP_TYPE.valueName;
    public static final String PROPERTIES_MAP = RepresentationType.PROPERTIES.valueName;
    public static final String EXTENSIONS_MAP = RepresentationType.PLUGINS.valueName;
    public static final String EXTENSION = RepresentationType.PLUGIN.valueName;
    public static final String URI = RepresentationType.URI.valueName;
    public static final String URI_TEMPLATE = RepresentationType.TEMPLATE.valueName;
    public static final String STRING = RepresentationType.STRING.valueName;
    public static final String STRING_LIST = RepresentationType.STRING.listName;
    public static final String BYTE = RepresentationType.BYTE.valueName;
    public static final String BYTE_LIST = RepresentationType.BYTE.listName;
    public static final String CHARACTER = RepresentationType.CHAR.valueName;
    public static final String CHARACTER_LIST = RepresentationType.CHAR.listName;
    public static final String SHORT = RepresentationType.SHORT.valueName;
    public static final String SHORT_LIST = RepresentationType.SHORT.listName;
    public static final String INTEGER = RepresentationType.INTEGER.valueName;
    public static final String INTEGER_LIST = RepresentationType.INTEGER.listName;
    public static final String LONG = RepresentationType.LONG.valueName;
    public static final String LONG_LIST = RepresentationType.LONG.listName;
    public static final String FLOAT = RepresentationType.FLOAT.valueName;
    public static final String FLOAT_LIST = RepresentationType.FLOAT.listName;
    public static final String DOUBLE = RepresentationType.DOUBLE.valueName;
    public static final String DOUBLE_LIST = RepresentationType.DOUBLE.listName;
    public static final String BOOLEAN = RepresentationType.BOOLEAN.valueName;
    public static final String BOOLEAN_LIST = RepresentationType.BOOLEAN.listName;
    public static final String EXCEPTION = RepresentationType.EXCEPTION.valueName;
    public static final String MAP = RepresentationType.MAP.valueName;

    final RepresentationType type;

    Representation(RepresentationType type) {
        this.type = type;
    }

    Representation(String type) {
        this.type = new RepresentationType(type);
    }

    public RepresentationType getRepresentationType() {
        return this.type;
    }

    abstract String serialize(RepresentationFormat format, URI baseUri);

    abstract void addTo(ListSerializer serializer);

    abstract void putTo(MappingSerializer serializer, String key);

    boolean isEmpty() {
        return false;
    }

    public static Representation emptyRepresentation() {
        return new Representation((RepresentationType) null) {
            @Override
            boolean isEmpty() {
                return true;
            }

            @Override
            String serialize(RepresentationFormat format, URI baseUri) {
                return "";
            }

            @Override
            void putTo(MappingSerializer serializer, String key) {}

            @Override
            void addTo(ListSerializer serializer) {}
        };
    }
}