// Copyright 2012 Citrix Systems, Inc. Licensed under the
// Apache License, Version 2.0 (the "License"); you may not use this
// file except in compliance with the License.  Citrix Systems, Inc.
// reserves all rights not expressly granted by 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.
// 
// Automatically generated by addcopyright.py at 04/03/2012
package com.cloud.resource.storage;

import com.cloud.agent.api.storage.CreateAnswer;
import com.cloud.agent.api.storage.CreateCommand;
import com.cloud.agent.api.storage.DestroyAnswer;
import com.cloud.agent.api.storage.DestroyCommand;
import com.cloud.agent.api.storage.DownloadAnswer;
import com.cloud.agent.api.storage.PrimaryStorageDownloadCommand;
import com.cloud.resource.ServerResource;

/**
 * a primary storage.
 *
 */
public interface PrimaryStorageHeadResource extends ServerResource {
    /**
     * Downloads the template to the primary storage.
     * @param cmd
     * @return
     */
    DownloadAnswer execute(PrimaryStorageDownloadCommand cmd);
    
    /**
     * Creates volumes for the VM.
     * @param cmd
     * @return
     */
    CreateAnswer execute(CreateCommand cmd);
    
    /**
     * Destroys volumes for the VM.
     * @param cmd
     * @return
     */
    DestroyAnswer execute(DestroyCommand cmd);
}