api/src/main/java/org/apache/cloudstack/api/command/admin/autoscale/DeleteCounterCmd.java

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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
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// specific language governing permissions and limitations
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package org.apache.cloudstack.api.command.admin.autoscale;


import org.apache.cloudstack.api.APICommand;
import org.apache.cloudstack.api.ApiCommandResourceType;
import org.apache.cloudstack.api.ApiConstants;
import org.apache.cloudstack.api.ApiErrorCode;
import org.apache.cloudstack.api.BaseAsyncCmd;
import org.apache.cloudstack.api.Parameter;
import org.apache.cloudstack.api.ServerApiException;
import org.apache.cloudstack.api.response.CounterResponse;
import org.apache.cloudstack.api.response.SuccessResponse;

import com.cloud.event.EventTypes;
import com.cloud.exception.ResourceInUseException;
import com.cloud.user.Account;

@APICommand(name = "deleteCounter", description = "Deletes a counter for VM auto scaling", responseObject = SuccessResponse.class,
        requestHasSensitiveInfo = false, responseHasSensitiveInfo = false)
public class DeleteCounterCmd extends BaseAsyncCmd {

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

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

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

    @Override
    public void execute() {
        boolean result = false;
        try {
            result = _autoScaleService.deleteCounter(getId());
        } catch (ResourceInUseException ex) {
            logger.warn("Exception: ", ex);
            throw new ServerApiException(ApiErrorCode.RESOURCE_IN_USE_ERROR, ex.getMessage());
        }

        if (result) {
            SuccessResponse response = new SuccessResponse(getCommandName());
            this.setResponseObject(response);
        } else {
            logger.warn("Failed to delete counter with Id: " + getId());
            throw new ServerApiException(ApiErrorCode.INTERNAL_ERROR, "Failed to delete counter.");
        }
    }

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

    public Long getId() {
        return id;
    }

    @Override
    public ApiCommandResourceType getApiResourceType() {
        return ApiCommandResourceType.Counter;
    }

    @Override
    public long getEntityOwnerId() {
        return Account.ACCOUNT_ID_SYSTEM;
    }

    @Override
    public String getEventType() {
        return EventTypes.EVENT_COUNTER_DELETE;
    }

    @Override
    public String getEventDescription() {
        return "Deleting a counter.";
    }
}