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package org.glassfish.virtualization.spi;

/**
 * Represents a storage pool, a serverPool of volumes.
 * @author Jerome Dochez
 */
public interface StoragePool {

    /**
     * Returns the currently configured volumes for this pool.
     * @return  an Iterable instance of volumes
     * @throws VirtException if the connection to the underlying virtualization infrastructure  failed.
     */
    Iterable volumes() throws VirtException;

    /**
     * Returns a storage volume given its name
     * @param name of the volume
     * @return the volume or null if not found
     * @throws VirtException if the connection to the underlying  virtualization infrastructure  failed.
     */
    StorageVol byName(String name) throws VirtException;

    /**
     * Allocates a new storage volume using the provided name and the capacity
     * @param name  name for the new volume
     * @param capacity  maximum capacity for the volume
     * @return the volume
     * @throws VirtException if the volume cannot be allocated.
     */
    StorageVol allocate(String name, long capacity) throws VirtException;

    /**
     * Deletes the storage pool
     * @throws VirtException  if the volume cannot be deleted.
     */
    void delete() throws VirtException;
}




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