persistentstorage/dbms/sdbms/SD_DBS.CPP
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     1 // Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 // DBMS server proxy database
       
    15 // 
       
    16 //
       
    17 
       
    18 #include "SD_STD.H"
       
    19 
       
    20 // Class CDbsDatabase
       
    21 
       
    22 
       
    23 /**
       
    24 SYMBIAN_REMOVE_TRIVIAL_ENCRYPTION version of the method.
       
    25 Standard phase-one factory method for creation of CDbsDatabase instances.
       
    26 @param aDbs A reference to the client side DBMS session object
       
    27 @param aDatabase Database file path
       
    28 @param aFormat Database format string
       
    29 @return A pointer to teh created CDbsDatabase instance.
       
    30 @leave System-wide error code, including KErrNoMemory
       
    31 */
       
    32 CDbsDatabase* CDbsDatabase::NewL(const RDbs& aDbs, const TDesC& aDatabase, const TDesC& aFormat)
       
    33 	{
       
    34 	CDbsDatabase* self=new(ELeave) CDbsDatabase;
       
    35 	CleanupStack::PushL(self);
       
    36 	
       
    37 	TIpcArgs args(&aDatabase,&aFormat,TIpcArgs::ENothing,NULL);
       
    38 	self->ConstructL(aDbs,args);	// two phase construction
       
    39 	CleanupStack::Pop();			// self
       
    40 	return self;
       
    41 	}
       
    42 
       
    43 /**
       
    44 SYMBIAN_REMOVE_TRIVIAL_ENCRYPTION version of the method.
       
    45 Standard phase-two construction method for creation of CDbsDatabase instances.
       
    46 @param aDbs A reference to the client side DBMS session object
       
    47 @param aArgs A reference to the packed parameters needed for the database instance creation.
       
    48 @leave System-wide error code, including KErrNoMemory
       
    49 */
       
    50 void CDbsDatabase::ConstructL(const RDbs& aDbs, TIpcArgs& aArgs)
       
    51 	{
       
    52 	iObject.OpenL(aDbs,EDbsOpenDatabase,aArgs);
       
    53 	}
       
    54 	
       
    55 
       
    56 CDbsDatabase::~CDbsDatabase()
       
    57 	{
       
    58 	iObject.Close();
       
    59 	}
       
    60 
       
    61 TInt CDbsDatabase::Destroy()
       
    62 	{
       
    63 	return iObject.SendReceive(EDbsDatabaseDestroy);
       
    64 	}
       
    65 
       
    66 TInt CDbsDatabase::Begin()
       
    67 	{
       
    68 	return iObject.SendReceive(EDbsDatabaseBegin);
       
    69 	}
       
    70 
       
    71 TInt CDbsDatabase::Commit()
       
    72 	{
       
    73 	return iObject.SendReceive(EDbsDatabaseCommit);
       
    74 	}
       
    75 
       
    76 void CDbsDatabase::Rollback()
       
    77 	{
       
    78 	iObject.SendReceive(EDbsDatabaseRollback);
       
    79 	}
       
    80 
       
    81 TInt CDbsDatabase::Property(CDbDatabase::TProperty aProperty)
       
    82 	{
       
    83 	return iObject.SendReceive(EDbsDatabaseProperty,TIpcArgs(aProperty));
       
    84 	}
       
    85 
       
    86 void CDbsDatabase::CreateTableL(const TDesC& aName,const CDbColSet& aColSet,const CDbKey* aPrimaryKey)
       
    87 	{
       
    88 	TPtrC8 colset(TDbsParam::PrepareLC(aColSet));
       
    89 	TIpcArgs m(&aName,&colset,0);
       
    90 	TPtrC8 primary;
       
    91 	if (aPrimaryKey)
       
    92 		{
       
    93 		primary.Set(TDbsParam::PrepareLC(*aPrimaryKey));
       
    94 		m.Set(2,&primary);
       
    95 		}
       
    96 	iObject.SendReceiveL(EDbsDatabaseCreateTable,m);
       
    97 	if (aPrimaryKey)
       
    98 		CleanupStack::PopAndDestroy();	// primary
       
    99 	CleanupStack::PopAndDestroy();	// colset
       
   100 	}
       
   101 
       
   102 void CDbsDatabase::TablesL(CDbTableNames& aNames)
       
   103 	{
       
   104 	TIpcArgs m;
       
   105 	RReadStream in(HDbsBuf::NewLC(iObject,EDbsDatabaseTables,m));
       
   106 	in>>aNames;
       
   107 	CleanupStack::PopAndDestroy();	// dbsbuf
       
   108 	}
       
   109 
       
   110 void CDbsDatabase::ColumnsL(CDbColSet& aColSet,const TDesC& aName)
       
   111 	{
       
   112 	TIpcArgs m(&aName);
       
   113 	RReadStream in(HDbsBuf::NewLC(iObject,EDbsDatabaseColumns,m));
       
   114 	in>>aColSet;
       
   115 	CleanupStack::PopAndDestroy();
       
   116 	}
       
   117 
       
   118 void CDbsDatabase::IndexesL(CDbIndexNames& aNames,const TDesC& aTable)
       
   119 	{
       
   120 	TIpcArgs m(&aTable);
       
   121 	RReadStream in(HDbsBuf::NewLC(iObject,EDbsDatabaseIndexes,m));
       
   122 	in>>aNames;
       
   123 	CleanupStack::PopAndDestroy();	// dbsbuf
       
   124 	}
       
   125 
       
   126 void CDbsDatabase::KeysL(CDbKey& aKey,const TDesC& aName,const TDesC& aTable)
       
   127 	{
       
   128 	TIpcArgs args(&aName,&aTable);
       
   129 	RReadStream in(HDbsBuf::NewLC(iObject,EDbsDatabaseKeys,args));
       
   130 	in>>aKey;
       
   131 	CleanupStack::PopAndDestroy();	// dbsbuf
       
   132 	}
       
   133 
       
   134 CDbNotifier* CDbsDatabase::OpenNotifierL()
       
   135 	{
       
   136 	return CDbsNotifier::NewL(iObject);
       
   137 	}
       
   138 
       
   139 CDbIncremental* CDbsDatabase::OpenUtilityL(CDbDatabase::TUtility aType,TInt& aStep)
       
   140 	{
       
   141 	TIpcArgs args(aType);
       
   142 	return CDbsIncremental::NewL(iObject,EDbsDatabaseOpenUtility,args,aStep);
       
   143 	}
       
   144 
       
   145 CDbIncremental* CDbsDatabase::OpenDropTableL(const TDesC& aTable,TInt& aStep)
       
   146 	{
       
   147 	TIpcArgs args(&aTable);
       
   148 	return CDbsIncremental::NewL(iObject,EDbsDatabaseOpenDropTable,args,aStep);
       
   149 	}
       
   150 
       
   151 CDbIncremental* CDbsDatabase::OpenAlterTableL(const TDesC& aTable,const CDbColSet& aNewDef,TInt& aStep)
       
   152 	{
       
   153 	TPtrC8 colset(TDbsParam::PrepareLC(aNewDef));
       
   154 	TIpcArgs args(&aTable,&colset);
       
   155 	CDbIncremental* inc=CDbsIncremental::NewL(iObject,EDbsDatabaseOpenAlterTable,args,aStep);
       
   156 	CleanupStack::PopAndDestroy();	// colset
       
   157 	return inc;
       
   158 	}
       
   159 
       
   160 CDbIncremental* CDbsDatabase::OpenCreateIndexL(const TDesC& aName,const TDesC& aTable,const CDbKey& aKey,TInt& aStep)
       
   161 	{
       
   162 	TPtrC8 key(TDbsParam::PrepareLC(aKey));
       
   163 	TIpcArgs args(&aName,&aTable,&key);
       
   164 	CDbIncremental* inc=CDbsIncremental::NewL(iObject,EDbsDatabaseOpenCreateIndex,args,aStep);
       
   165 	CleanupStack::PopAndDestroy();	// key
       
   166 	return inc;
       
   167 	}
       
   168 
       
   169 CDbIncremental* CDbsDatabase::OpenDropIndexL(const TDesC& aName,const TDesC& aTable,TInt& aStep)
       
   170 	{
       
   171 	TIpcArgs args(&aName,&aTable);
       
   172 	return CDbsIncremental::NewL(iObject,EDbsDatabaseOpenDropIndex,args,aStep);
       
   173 	}
       
   174 
       
   175 CDbIncremental* CDbsDatabase::OpenExecuteL(const TDesC& aSql,TDbTextComparison aComparison,TInt& aInit)
       
   176 	{
       
   177 	TIpcArgs args(&aSql,aComparison);
       
   178 	return CDbsIncremental::NewL(iObject,EDbsDatabaseExecute,args,aInit);
       
   179 	}
       
   180 
       
   181 CDbCursor* CDbsDatabase::PrepareViewL(const TDbQuery& aQuery,const TDbWindow& aWindow,RDbRowSet::TAccess aAccess)
       
   182 	{
       
   183 	const TDesC& des = aQuery.Query();
       
   184 	TPckgC<TDbWindow> pckg(aWindow);
       
   185 	TIpcArgs args(&des,aQuery.Comparison()|(aAccess<<8),&pckg);
       
   186 	return CDbsCursor::NewL(iObject,EDbsDatabasePrepareView,args);
       
   187 	}
       
   188 
       
   189 CDbCursor* CDbsDatabase::OpenTableL(const TDesC& aName,RDbRowSet::TAccess aAccess)
       
   190 	{
       
   191 	TIpcArgs args(&aName,aAccess);
       
   192 	return CDbsCursor::NewL(iObject,EDbsDatabaseOpenTable,args);
       
   193 	}