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// to you under the Apache License, Version 2.0 (the
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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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package com.cloud.vm.snapshot;

import com.cloud.utils.component.Manager;
import com.cloud.vm.VMInstanceVO;

public interface VMSnapshotManager extends VMSnapshotService, Manager {
    public static final int VMSNAPSHOTMAX = 10;

    
    /**
     * Delete all VM snapshots belonging to one VM
     * @param id, VM id
     * @param type, 
     * @return true for success, false for failure
     */
    boolean deleteAllVMSnapshots(long id, VMSnapshot.Type type);

    /**
     * Sync VM snapshot state when VM snapshot in reverting or snapshoting or expunging state
     * Used for fullsync after agent connects
     * 
     * @param vm, the VM in question
     * @param hostId
     * @return true if succeeds, false if fails
     */
    boolean syncVMSnapshot(VMInstanceVO vm, Long hostId);

    boolean hasActiveVMSnapshotTasks(Long vmId);

}