BackupServiceManager.java

/*
 * 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.facebook.presto.raptor.backup;

import javax.inject.Inject;

import java.util.Optional;

import static java.util.Objects.requireNonNull;

public class BackupServiceManager
        implements BackupService
{
    private final Optional<BackupStore> backupStore;

    @Inject
    public BackupServiceManager(Optional<BackupStore> backupStore)
    {
        this.backupStore = requireNonNull(backupStore, "backupStore is null");
    }

    @Override
    public boolean isBackupAvailable()
    {
        return backupStore.isPresent();
    }
}