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HiveMQ CE is a Java-based open source MQTT broker that fully supports MQTT 3.x and MQTT 5

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/*
 * Copyright 2019-present HiveMQ GmbH
 *
 * 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 com.hivemq.persistence.local.xodus.bucket;

import com.hivemq.extension.sdk.api.annotations.Immutable;
import com.hivemq.extension.sdk.api.annotations.NotNull;
import jetbrains.exodus.env.Environment;
import jetbrains.exodus.env.Store;

import java.util.concurrent.atomic.AtomicBoolean;

@Immutable
public class Bucket {

    private final @NotNull Environment environment;
    private final @NotNull Store store;
    private final @NotNull AtomicBoolean closing = new AtomicBoolean(false);

    public Bucket(@NotNull final Environment environment, @NotNull final Store store) {
        this.environment = environment;
        this.store = store;
    }

    public boolean close() {
        return closing.compareAndSet(false, true);
    }

    public @NotNull Environment getEnvironment() {
        return environment;
    }

    public @NotNull Store getStore() {
        return store;
    }
}