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Access to the Neo4j graph database through Java

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/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [http://neo4j.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;

import static java.util.Objects.requireNonNull;

import java.util.Objects;
import java.util.Optional;

public class InternalDatabaseName implements DatabaseName {
    private final String databaseName;

    InternalDatabaseName(String databaseName) {
        this.databaseName = requireNonNull(databaseName);
    }

    @Override
    public Optional databaseName() {
        return Optional.of(databaseName);
    }

    @Override
    public String description() {
        return databaseName;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        InternalDatabaseName that = (InternalDatabaseName) o;
        return databaseName.equals(that.databaseName);
    }

    @Override
    public int hashCode() {
        return Objects.hash(databaseName);
    }

    @Override
    public String toString() {
        return "InternalDatabaseName{" + "databaseName='" + databaseName + '\'' + '}';
    }
}