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package org.openstack4j.api.compute;

import java.util.List;
import java.util.Map;

import org.openstack4j.common.RestService;
import org.openstack4j.model.common.ActionResponse;
import org.openstack4j.model.compute.Flavor;
import org.openstack4j.model.compute.FlavorAccess;

/**
 * Flavor service provides CRUD capabilities for Flavor(s).  A flavor is an available hardware configuration/template for a server
 * 
 * @author Jeremy Unruh, whaon
 */
public interface FlavorService extends RestService {
	
	/**
	 * List all Flavors with details
	 * 
	 * @return List of Flavor
	 */
	List list();
	
	/**
	 * Get a Flavor by it's identifier
	 * 
	 * @param flavorId the flavor identifier
	 * @return Flavor
	 */
	Flavor get(String flavorId);
	
	/**
	 * Deletes a Flavor by it's identifier
	 * 
	 * @param flavorId the flavor identifier
	 * @return the action response
	 */
	ActionResponse delete(String flavorId);
	
	/**
	 * Creates a new Flavor
	 * 
	 * @param flavor the flavor to create
	 * @return the created flavor
	 */
	Flavor create(Flavor flavor);

	/**
	 * Creates a new Flavor
	 * 
	 * @param name the descriptive name of the flavor
	 * @param ram the Memory in MB for the flavor
	 * @param vcpus the Number of VCPUs for the flavor
	 * @param disk the size of the local disk in GB
	 * @param  the space in GB that will disappear when the VM is terminated (default is 0) [OPTIONAL]
	 * @param swap the Swap space in MB
	 * @param rxtxFactor the RX/TX factor (default is 1) [OPTIONAL]
	 * @return the created flavor
	 */
	Flavor create(String name, int ram, int vcpus, int disk, int ephemeral, int swap, float rxtxFactor, boolean isPublic);
	
	/**
	 * list extra specs
	 * 
	 * @param flavorId
	 * @return all extra specs for this flavor
	 */
	Map listExtraSpecs(String flavorId);

	/**
	 * post a key-value map, if key exist, value will be updated, if not ,new
	 * extra spec created. openstack provides one api to support both create and
	 * update extra spec
	 * 
	 * @param flavorId
	 * @param spec
	 * @return spec
	 */
	Map createAndUpdateExtraSpecs(String flavorId, Map spec);

	/**
	 * delete the extra spec with the key and flavorId
	 * 
	 * @param flavorId
	 * @param key
	 */
	void deleteExtraSpecs(String flavorId, String key);

	/**
	 * get the extra spec's value by the key
	 * 
	 * @param flavorId
	 * @param key
	 * @return value
	 */
	String getSpec(String flavorId, String key);
	
	/**
	 * List tenants with access to private flavor
	 * 
	 * @param flavorId
	 * @return List tenants with access to private flavor
	 */
	List listFlavorAccess(String flavorId);
	
	/**
	 * Add access to private flavor
	 * 
	 * @param flavorId
	 * @param tenantId
	 * @return List tenants with access to private flavor
	 */
	List addTenantAccess(String flavorId, String tenantId);
	
	/**
	 * Delete access from private flavor
	 * 
	 * @param flavorId
	 * @param tenantId
	 * @return List tenants with access to private flavor
	 */
	List removeTenantAccess(String flavorId, String tenantId);

	/**
	 * list flavors
	 * @param detail is detailed
	 * @param filteringParams parameters affect the response data,availbed are:sort_key,sort_dir,limit,marker,minDisk,minRam,is_public
	 * @return
	 */
	List list(boolean detail, Map filteringParams);

	/**
	 * list flavors with detailed
	 * @param filteringParams
	 * @return
	 */
	List list(Map filteringParams);

	/**
	 * list flavors with non filtering parameters
	 * @param detail
	 * @return
	 */
	List list(boolean detail);
	
}