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// 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
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// specific language governing permissions and limitations
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package org.apache.cloudstack.api.command.user.vmgroup;

import org.apache.log4j.Logger;

import org.apache.cloudstack.api.APICommand;
import org.apache.cloudstack.api.ApiConstants;
import org.apache.cloudstack.api.ApiErrorCode;
import org.apache.cloudstack.api.BaseCmd;
import org.apache.cloudstack.api.Parameter;
import org.apache.cloudstack.api.ServerApiException;
import org.apache.cloudstack.api.response.InstanceGroupResponse;
import org.apache.cloudstack.api.response.SuccessResponse;

import com.cloud.user.Account;
import com.cloud.vm.InstanceGroup;

@APICommand(name = "deleteInstanceGroup", description = "Deletes a vm group", responseObject = SuccessResponse.class)
public class DeleteVMGroupCmd extends BaseCmd {
    public static final Logger s_logger = Logger.getLogger(DeleteVMGroupCmd.class.getName());
    private static final String s_name = "deleteinstancegroupresponse";

    /////////////////////////////////////////////////////
    //////////////// API parameters /////////////////////
    /////////////////////////////////////////////////////

    @Parameter(name = ApiConstants.ID, type = CommandType.UUID, entityType = InstanceGroupResponse.class, required = true, description = "the ID of the instance group")
    private Long id;

    /////////////////////////////////////////////////////
    /////////////////// Accessors ///////////////////////
    /////////////////////////////////////////////////////

    public Long getId() {
        return id;
    }

    /////////////////////////////////////////////////////
    /////////////// API Implementation///////////////////
    /////////////////////////////////////////////////////

    @Override
    public String getCommandName() {
        return s_name;
    }

    @Override
    public long getEntityOwnerId() {
        InstanceGroup group = _entityMgr.findById(InstanceGroup.class, getId());
        if (group != null) {
            return group.getAccountId();
        }

        return Account.ACCOUNT_ID_SYSTEM; // no account info given, parent this command to SYSTEM so ERROR events are tracked
    }

    @Override
    public void execute() {
        boolean result = _userVmService.deleteVmGroup(this);
        if (result) {
            SuccessResponse response = new SuccessResponse(getCommandName());
            this.setResponseObject(response);
        } else {
            throw new ServerApiException(ApiErrorCode.INTERNAL_ERROR, "Failed to delete vm group");
        }
    }
}
