/*================================================================================
Copyright (c) 2008 VMware, Inc. All Rights Reserved.

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to endorse or promote products derived from this software without specific prior 
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================================================================================*/

package com.vmware.vim25.mo;

import com.vmware.vim25.*;
import com.vmware.vim25.mo.util.MorUtil;

import java.rmi.RemoteException;

/**
 * The managed object class corresponding to the one defined in VI SDK API reference.
 *
 * @author Steve JIN (http://www.doublecloud.org)
 */

public class HostDatastoreSystem extends ManagedObject {

    public HostDatastoreSystem(ServerConnection serverConnection, ManagedObjectReference mor) {
        super(serverConnection, mor);
    }

    public HostDatastoreSystemCapabilities getCapabilities() {
        return (HostDatastoreSystemCapabilities) getCurrentProperty("capabilities");
    }

    public Datastore[] getDatastores() {
        return getDatastores("datastore");
    }

    public void configureDatastorePrincipal(String userName, String password) throws HostConfigFault, InvalidState, RuntimeFault, RemoteException {
        getVimService().configureDatastorePrincipal(getMOR(), userName, password);
    }

    public Datastore createLocalDatastore(String name, String path) throws HostConfigFault, DuplicateName, RuntimeFault, RemoteException {
        ManagedObjectReference mor = getVimService().createLocalDatastore(getMOR(), name, path);
        return new Datastore(getServerConnection(), mor);
    }

    public Datastore createNasDatastore(HostNasVolumeSpec spec) throws HostConfigFault, DuplicateName, AlreadyExists, RuntimeFault, RemoteException {
        ManagedObjectReference mor = getVimService().createNasDatastore(getMOR(), spec);
        return new Datastore(getServerConnection(), mor);
    }

    public Datastore createVmfsDatastore(VmfsDatastoreCreateSpec spec) throws HostConfigFault, DuplicateName, RuntimeFault, RemoteException {
        ManagedObjectReference mor = getVimService().createVmfsDatastore(getMOR(), spec);
        return new Datastore(getServerConnection(), mor);
    }

    /**
     * @since 4.0
     */
    public Datastore expandVmfsDatastore(Datastore datastore, VmfsDatastoreExpandSpec spec) throws NotFound, HostConfigFault, RuntimeFault, RemoteException {
        ManagedObjectReference mor = getVimService().expandVmfsDatastore(getMOR(), datastore.getMOR(), spec);
        return new Datastore(getServerConnection(), mor);
    }

    public Datastore extendVmfsDatastore(Datastore datastore, VmfsDatastoreExtendSpec spec) throws HostConfigFault, NotFound, RuntimeFault, RemoteException {
        if (datastore == null) {
            throw new IllegalArgumentException("datastore must not be null.");
        }
        ManagedObjectReference mor = getVimService().extendVmfsDatastore(getMOR(), datastore.getMOR(), spec);
        return new Datastore(getServerConnection(), mor);
    }

    public HostScsiDisk[] queryAvailableDisksForVmfs(Datastore datastore) throws HostConfigFault, NotFound, RuntimeFault, RemoteException {
        return getVimService().queryAvailableDisksForVmfs(getMOR(), datastore == null ? null : datastore.getMOR());
    }

    //SDK4.1 signature for back compatibility
    public VmfsDatastoreOption[] queryVmfsDatastoreCreateOptions(String devicePath) throws HostConfigFault, NotFound, RuntimeFault, RemoteException {
        return getVimService().queryVmfsDatastoreCreateOptions(getMOR(), devicePath);
    }

    //SDK5.0 signature
    public VmfsDatastoreOption[] queryVmfsDatastoreCreateOptions(String devicePath, int vmfsMajorVersion) throws HostConfigFault, NotFound, RuntimeFault, RemoteException {
        return getVimService().queryVmfsDatastoreCreateOptions(getMOR(), devicePath, vmfsMajorVersion);
    }

    //SDK2.5 signature for back compatibility
    public VmfsDatastoreOption[] queryVmfsDatastoreExtendOptions(Datastore datastore, String devicePath) throws HostConfigFault, NotFound, RuntimeFault, RemoteException {
        return queryVmfsDatastoreExtendOptions(datastore, devicePath, null);
    }

    //SDK4.0 signature
    public VmfsDatastoreOption[] queryVmfsDatastoreExtendOptions(Datastore datastore, String devicePath, Boolean suppressExpandCandidates) throws HostConfigFault, NotFound, RuntimeFault, RemoteException {
        if (datastore == null) {
            throw new IllegalArgumentException("datastore must not be null.");
        }
        return getVimService().queryVmfsDatastoreExtendOptions(getMOR(), datastore.getMOR(), devicePath, suppressExpandCandidates);
    }

    /**
     * @since 4.0
     */
    public VmfsDatastoreOption[] queryVmfsDatastoreExpandOptions(Datastore datastore) throws NotFound, HostConfigFault, RuntimeFault, RemoteException {
        return getVimService().queryVmfsDatastoreExpandOptions(getMOR(), datastore.getMOR());
    }

    /**
     * @since 4.0
     */
    public HostUnresolvedVmfsVolume[] queryUnresolvedVmfsVolumes() throws RuntimeFault, RemoteException {
        return getVimService().queryUnresolvedVmfsVolumes(getMOR());
    }

    public void removeDatastore(Datastore datastore) throws HostConfigFault, ResourceInUse, NotFound, RuntimeFault, RemoteException {
        if (datastore == null) {
            throw new IllegalArgumentException("datastore must not be null.");
        }
        getVimService().removeDatastore(getMOR(), datastore.getMOR());
    }

    /**
     * @since 4.0
     */
    public Task resignatureUnresolvedVmfsVolume_Task(HostUnresolvedVmfsResignatureSpec resolutionSpec) throws VmfsAmbiguousMount, HostConfigFault, RuntimeFault, RemoteException {
        ManagedObjectReference taskMor = getVimService().resignatureUnresolvedVmfsVolume_Task(getMOR(), resolutionSpec);
        return new Task(getServerConnection(), taskMor);
    }

    public void updateLocalSwapDatastore(Datastore datastore) throws InaccessibleDatastore, DatastoreNotWritableOnHost, RuntimeFault, RemoteException {
        getVimService().updateLocalSwapDatastore(getMOR(), datastore == null ? null : datastore.getMOR());
    }

    /**
     * Create a Virtual-Volume based datastore
     *
     * @param spec Specification for creating a Virtual-Volume based datastore.
     * @return The newly created datastore.
     * @throws DuplicateName
     * @throws HostConfigFault
     * @throws InvalidName
     * @throws NotFound
     * @throws RuntimeFault
     * @throws RemoteException
     * @since 6.0
     */
    public Datastore createVvolDatastore(HostDatastoreSystemVvolDatastoreSpec spec) throws DuplicateName, HostConfigFault, InvalidName, NotFound, RuntimeFault, RemoteException {
        ManagedObjectReference dsMor = getVimService().createVvolDatastore(getMOR(), spec);
        return new Datastore(getServerConnection(), dsMor);
    }

    /**
     * Remove one or more datastores. This is an asynchronous, batch operation of removeDatastore. Please see
     * {@link #removeDatastore(Datastore) RemoveDatastore} for operational details. Note: This API currently supports
     * removal of only NFS datastores.
     *
     * @param datastore Each element specifies one datastore to be removed.
     * @return Task to monitor
     * @throws HostConfigFault
     * @throws RuntimeFault
     * @throws RemoteException
     */
    public Task removeDatastoreEx_Task(Datastore[] datastore) throws HostConfigFault, RuntimeFault, RemoteException {
        ManagedObjectReference taskMor = getVimService().removeDatastoreEx_Task(getMOR(), MorUtil.createMORs(datastore));
        return new Task(getServerConnection(), taskMor);
    }
}
