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Access to the Neo4j graph database through Java

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/*
 * Copyright (c) 2002-2017 "Neo Technology,"
 * Network Engine for Objects in Lund AB [http://neotechnology.com]
 *
 * This file is part of Neo4j.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.neo4j.driver.internal.cluster;

public interface ClusterCompositionResponse
{
    ClusterComposition clusterComposition();

    class Failure implements ClusterCompositionResponse
    {
        private final RuntimeException error;

        public Failure( RuntimeException t )
        {
            this.error = t;
        }

        @Override
        public ClusterComposition clusterComposition()
        {
            throw this.error;
        }
    }

    class Success implements ClusterCompositionResponse
    {
        private final ClusterComposition cluster;

        public Success( ClusterComposition cluster )
        {
            this.cluster = cluster;
        }

        @Override
        public ClusterComposition clusterComposition()
        {
            return cluster;
        }
    }
}