phonebookengines/VirtualPhonebook/VPbkSimStoreImpl/src/CParallelCompositeCmd.cpp
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     1 /*
       
     2 * Copyright (c) 2007-2007 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  A composite command that runs subcommands parallel.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 // INCLUDE FILES
       
    21 #include "CParallelCompositeCmd.h"
       
    22 
       
    23 #include <VPbkDebug.h>
       
    24 #include "VPbkSimStoreImplError.h"
       
    25 #include "MVPbkSimCommandObserver.h"
       
    26 
       
    27 namespace VPbkSimStoreImpl {
       
    28 
       
    29 // ============================ MEMBER FUNCTIONS ===============================
       
    30 
       
    31 // -----------------------------------------------------------------------------
       
    32 // CParallelCompositeCmd::CParallelCompositeCmd
       
    33 // C++ default constructor can NOT contain any code, that
       
    34 // might leave.
       
    35 // -----------------------------------------------------------------------------
       
    36 //
       
    37 CParallelCompositeCmd::CParallelCompositeCmd( 
       
    38         TTerminationPolicy aTerminationPolicy )
       
    39         :   iTerminationPolicy( aTerminationPolicy )
       
    40     {
       
    41     }
       
    42 
       
    43 // -----------------------------------------------------------------------------
       
    44 // CParallelCompositeCmd::NewL
       
    45 // -----------------------------------------------------------------------------
       
    46 //    
       
    47 CParallelCompositeCmd* CParallelCompositeCmd::NewL( 
       
    48         TTerminationPolicy aTerminationPolicy )
       
    49     {
       
    50     return new( ELeave ) CParallelCompositeCmd( aTerminationPolicy );
       
    51     }
       
    52 
       
    53 // -----------------------------------------------------------------------------
       
    54 // CParallelCompositeCmd::NewLC
       
    55 // -----------------------------------------------------------------------------
       
    56 //    
       
    57 CParallelCompositeCmd* CParallelCompositeCmd::NewLC( 
       
    58         TTerminationPolicy aTerminationPolicy )
       
    59     {
       
    60     CParallelCompositeCmd* self = 
       
    61         new( ELeave ) CParallelCompositeCmd( aTerminationPolicy );
       
    62     CleanupStack::PushL( self );
       
    63     return self;
       
    64     }
       
    65     
       
    66 // Destructor
       
    67 CParallelCompositeCmd::~CParallelCompositeCmd()
       
    68     {
       
    69     }
       
    70 
       
    71 // -----------------------------------------------------------------------------
       
    72 // CParallelCompositeCmd::Execute
       
    73 // -----------------------------------------------------------------------------
       
    74 //
       
    75 void CParallelCompositeCmd::Execute()
       
    76     {
       
    77     __ASSERT_DEBUG( SubCommands().Count() > 0,
       
    78         Panic( EPreCondCParallelCompositeCmdExecute ) );
       
    79         
       
    80     // Execute all subcommands parallel
       
    81     TArray<MVPbkSimCommand*> subCommands = SubCommands();
       
    82     const TInt count = subCommands.Count();
       
    83     if ( count > 0 )
       
    84         {
       
    85         for ( TInt i = 0; i < count; ++i )
       
    86             {
       
    87             subCommands[i]->Execute();
       
    88             }
       
    89         }
       
    90     else
       
    91         {
       
    92         SendCommandDone();
       
    93         }        
       
    94     }
       
    95     
       
    96 // -----------------------------------------------------------------------------
       
    97 // CParallelCompositeCmd::CommandDone
       
    98 // -----------------------------------------------------------------------------
       
    99 //
       
   100 void CParallelCompositeCmd::CommandDone( MVPbkSimCommand& /*aCommand*/ )
       
   101     {
       
   102     ++iTerminatedCommands;
       
   103     if ( iTerminationPolicy == EFirstSubCommandDone )
       
   104         {
       
   105         // Cancel all other subcommands
       
   106         CancelCmd();
       
   107         SendCommandDone();
       
   108         }
       
   109     else if ( iTerminatedCommands == SubCommands().Count() )
       
   110         {
       
   111         SendCommandDone();
       
   112         }
       
   113     }    
       
   114 } // namespace VPbkSimStoreImpl
       
   115 //  End of File