Examples of org.datanucleus.ClassLoaderResolver.classForName()

Class org.datanucleus.ClassLoaderResolver

Examples of org.datanucleus.ClassLoaderResolver.classForName()

org.datanucleus.ClassLoaderResolver.classForName()
Class loading method, allowing specification of a primary loader. This method does not initialize the class @param name Name of the Class to be loaded @param primary the primary ClassLoader to use (or null) @return The Class given the name, using the specified ClassLoader @throws ClassNotResolvedException if the class can't be found in the classpath

    protected SQLStatement getSQLStatementForGet(ObjectProvider ownerSM)
    {
        SQLStatement sqlStmt = null;


        final ClassLoaderResolver clr = ownerSM.getExecutionContext().getClassLoaderResolver();
        final Class valueCls = clr.classForName(this.valueType);
        RDBMSStoreManager storeMgr = (RDBMSStoreManager)this.storeMgr;
        if (valuesAreEmbedded || valuesAreSerialised)
        {
            // Value is stored in join table
            sqlStmt = new SQLStatement(storeMgr, mapTable, null, null);

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        if (elementInfo.length == 1 &&
            elementInfo[0].getDatastoreClass().getDiscriminatorMetaData() != null &&
            elementInfo[0].getDatastoreClass().getDiscriminatorMetaData().getStrategy() != DiscriminatorStrategy.NONE)
        {
            String elementType = ownerMemberMetaData.getCollection().getElementType();
            if (ClassUtils.isReferenceType(clr.classForName(elementType)))
            {
                String[] clsNames =
                    storeMgr.getNucleusContext().getMetaDataManager().getClassesImplementingInterface(elementType, clr);
                Class[] cls = new Class[clsNames.length];
                for (int i=0; i<clsNames.length; i++)

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                String[] clsNames =
                    storeMgr.getNucleusContext().getMetaDataManager().getClassesImplementingInterface(elementType, clr);
                Class[] cls = new Class[clsNames.length];
                for (int i=0; i<clsNames.length; i++)
                {
                    cls[i] = clr.classForName(clsNames[i]);
                }
                sqlStmt = new DiscriminatorStatementGenerator(storeMgr, clr, cls, true, null, null).getStatement();
            }
            else
            {

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                sqlStmt = new DiscriminatorStatementGenerator(storeMgr, clr, cls, true, null, null).getStatement();
            }
            else
            {
                sqlStmt = new DiscriminatorStatementGenerator(storeMgr, clr,
                    clr.classForName(elementInfo[0].getClassName()), true, null, null).getStatement();
            }
            iterateUsingDiscriminator = true;


            // Select the required fields
            SQLStatementHelper.selectFetchPlanOfSourceClassInStatement(sqlStmt, resultMapping,

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        }
        else
        {
            for (int i=0;i<elementInfo.length;i++)
            {
                final Class elementCls = clr.classForName(this.elementInfo[i].getClassName());
                UnionStatementGenerator stmtGen = new UnionStatementGenerator(storeMgr, clr, elementCls, true, null, null);
                stmtGen.setOption(StatementGenerator.OPTION_SELECT_NUCLEUS_TYPE);
                resultMapping.setNucleusTypeColumnName(UnionStatementGenerator.NUC_TYPE_COLUMN);
                SQLStatement subStmt = stmtGen.getStatement();

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        ClassLoaderResolver clr = ec.getClassLoaderResolver();
        DatastoreClass primaryTable = storeMgr.getDatastoreClass(cmd.getFullClassName(), clr);


        // Form the query to find which one of these classes has the instance with this id
        DiscriminatorStatementGenerator stmtGen =
            new DiscriminatorStatementGenerator(storeMgr, clr, clr.classForName(cmd.getFullClassName()), true,
                null, null);
        stmtGen.setOption(StatementGenerator.OPTION_RESTRICT_DISCRIM);
        SQLStatement sqlStmt = stmtGen.getStatement();


        // Select the discriminator

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        Iterator<AbstractClassMetaData> rootCmdIter = rootCmds.iterator();


        // Get UNION statement for primary root
        AbstractClassMetaData rootCmd = rootCmdIter.next();
        UnionStatementGenerator stmtGen =
            new UnionStatementGenerator(storeMgr, clr, clr.classForName(rootCmd.getFullClassName()), true,
                null, null);
        stmtGen.setOption(StatementGenerator.OPTION_SELECT_NUCLEUS_TYPE);
        SQLStatement sqlStmtMain = stmtGen.getStatement();


        while (rootCmdIter.hasNext())

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        while (rootCmdIter.hasNext())
        {
            // UNION to any other roots
            AbstractClassMetaData cmd = rootCmdIter.next();
            stmtGen = new UnionStatementGenerator(storeMgr, clr, clr.classForName(cmd.getFullClassName()), true,
                null, null);
            stmtGen.setOption(StatementGenerator.OPTION_SELECT_NUCLEUS_TYPE);
            SQLStatement sqlStmt = stmtGen.getStatement();


            sqlStmtMain.union(sqlStmt);

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            Class fieldStoredJavaTypeClass = null;
            Class existingColStoredJavaTypeClass = null;
            try
            {
                ClassLoaderResolver clr = storeMgr.getNucleusContext().getClassLoaderResolver(null);
                fieldStoredJavaTypeClass = clr.classForName(storedJavaType);
                existingColStoredJavaTypeClass = clr.classForName(col.getStoredJavaType());
            }
            catch (RuntimeException cnfe)
            {
                // Do nothing

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            Class existingColStoredJavaTypeClass = null;
            try
            {
                ClassLoaderResolver clr = storeMgr.getNucleusContext().getClassLoaderResolver(null);
                fieldStoredJavaTypeClass = clr.classForName(storedJavaType);
                existingColStoredJavaTypeClass = clr.classForName(col.getStoredJavaType());
            }
            catch (RuntimeException cnfe)
            {
                // Do nothing
            }

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