StorageService.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.storage;

import java.io.File;
import java.io.IOException;
import java.util.Set;
import java.util.UUID;

public interface StorageService
{
    void start()
            throws IOException;

    long getAvailableBytes();

    void createParents(File file);

    File getStorageFile(UUID shardUuid);

    File getStagingFile(UUID shardUuid);

    Set<UUID> getStorageShards();
}