// 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.api.commands;

import org.apache.log4j.Logger;

import com.cloud.api.ApiConstants;
import com.cloud.api.BaseCmd;
import com.cloud.api.IdentityMapper;
import com.cloud.api.Implementation;
import com.cloud.api.Parameter;
import com.cloud.api.ServerApiException;
import com.cloud.api.response.ClusterResponse;
import com.cloud.exception.InvalidParameterValueException;
import com.cloud.org.Cluster;
import com.cloud.user.Account;

@Implementation(description="Updates an existing cluster", responseObject=ClusterResponse.class)
public class UpdateClusterCmd extends BaseCmd {
    public static final Logger s_logger = Logger.getLogger(AddClusterCmd.class.getName());

    private static final String s_name = "updateclusterresponse";

    @IdentityMapper(entityTableName="cluster")
    @Parameter(name=ApiConstants.ID, type=CommandType.LONG, required=true, description="the ID of the Cluster")
    private Long id;
    
    @Parameter(name=ApiConstants.CLUSTER_NAME, type=CommandType.STRING, description="the cluster name")
    private String clusterName;

    @Parameter(name=ApiConstants.HYPERVISOR, type=CommandType.STRING, description="hypervisor type of the cluster")
    private String hypervisor;
    
    @Parameter(name=ApiConstants.CLUSTER_TYPE, type=CommandType.STRING, description="hypervisor type of the cluster")
    private String clusterType;
    
    @Parameter(name=ApiConstants.ALLOCATION_STATE, type=CommandType.STRING, description="Allocation state of this cluster for allocation of new resources")
    private String allocationState;
    
    @Parameter(name=ApiConstants.MANAGED_STATE, type=CommandType.STRING, description="whether this cluster is managed by cloudstack")
    private String managedState;
    
    public String getClusterName() {
        return clusterName;
    }

    public Long getId() {
        return id;
    }

    public String getHypervisor() {
    	return hypervisor;
    }
    
    @Override
    public String getCommandName() {
    	return s_name;
    }
    
    public String getClusterType() {
    	return clusterType;
    }
    
    public void setClusterType(String type) {
    	this.clusterType = type;
    }
    
    @Override
    public long getEntityOwnerId() {
        return Account.ACCOUNT_ID_SYSTEM;
    }
    
    public String getAllocationState() {
    	return allocationState;
    }
    
    public void setAllocationState(String allocationState) {
    	this.allocationState = allocationState;
    }    

    public String getManagedstate() {
        return managedState;
    }

    public void setManagedstate(String managedstate) {
        this.managedState = managedstate;
    }

    @Override
    public void execute(){
    	Cluster cluster = _resourceService.getCluster(getId());
        if (cluster == null) {
            throw new InvalidParameterValueException("Unable to find the cluster by id=" + getId());
        }
        
        Cluster result = _resourceService.updateCluster(cluster, getClusterType(), getHypervisor(), getAllocationState(), getManagedstate());
        if (result != null) {
                ClusterResponse clusterResponse = _responseGenerator.createClusterResponse(cluster, false);
                clusterResponse.setResponseName(getCommandName());
                this.setResponseObject(clusterResponse);
        } else {
            throw new ServerApiException(BaseCmd.INTERNAL_ERROR, "Failed to update cluster");
        }
    }
}