FileConfiguration.java

package io.blobkeeper.file.configuration;

/*
 * Copyright (C) 2015 by Denis M. Gabaydulin
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */

import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.TestOnly;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;
import java.util.Map;

import static java.util.Optional.ofNullable;

@Singleton
public class FileConfiguration {
    private static final Logger log = LoggerFactory.getLogger(FileConfiguration.class);

    @Inject
    private Map<Integer, DiskConfiguration> diskConfigurations;

    @Inject
    @Named("blobkeeper.base.path")
    private String basePath;

    @Inject
    @Named("blobkeeper.file.max.size")
    private long maxFileSize;

    @Inject
    @Named("blobkeeper.disk.configuration")
    private String diskConfiguration;

    @Inject
    @Named("blobkeeper.disk.max.errors")
    private int maxDiskWriteErrors;

    @Inject
    @Named("blobkeeper.compaction.worker.delay.seconds")
    private int compactionWorkerDelaySeconds;

    @Inject
    @Named("blobkeeper.compaction.finalizer.delay.seconds")
    private int compactionFinalizerDelaySeconds;

    @Inject
    @Named("blobkeeper.compaction.min.percent")
    private int minPercent;

    @Inject
    @Named("blobkeeper.upload.path")
    private String uploadPath;

    public String getBasePath() {
        return basePath;
    }

    public long getMaxFileSize() {
        return maxFileSize;
    }

    @TestOnly
    public void setMaxFileSize(long maxFileSize) {
        this.maxFileSize = maxFileSize;
    }

    public int getMaxDiskWriteErrors() {
        return maxDiskWriteErrors;
    }

    public int getCompactionWorkerDelaySeconds() {
        return compactionWorkerDelaySeconds;
    }

    public int getMinPercent() {
        return minPercent;
    }

    public int getCompactionFinalizerDelaySeconds() {
        return compactionFinalizerDelaySeconds;
    }

    public String getUploadPath() {
        return uploadPath;
    }

    @NotNull
    public DiskConfiguration getDiskConfiguration(int disk) {
        return ofNullable(diskConfigurations.get(disk)).orElseThrow(() -> new IllegalArgumentException("Can't find config for disk " + disk));
    }
}