Package org.datanucleus.store.mapped

Examples of org.datanucleus.store.mapped.DatastoreAdapter

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     */
    public DatastoreAdapter getDatastoreAdapter(ClassLoaderResolver clr, Connection conn,
            String adapterClassName, PluginManager pluginMgr)
    throws SQLException
    {
        DatastoreAdapter adapter = null;
        DatabaseMetaData metadata = conn.getMetaData();

        // Get a new adapter
        adapter = getNewDatastoreAdapter(clr, metadata, adapterClassName, pluginMgr);
        if (adapter == null)
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        // The assumption here is that the SQL UPDATE statement generated will not need to use multiple
        // tables. This means that the SET clause only refers to the table of the candidate, and that
        // the WHERE clause only refers to the table of the candidate.
        // It is possible with some RDBMS e.g MySQL that support multiple table update syntax
        // that these 2 conditions don't need to be enforced.
        DatastoreAdapter dba = ((RDBMSStoreManager)ec.getStoreManager()).getDatastoreAdapter();
        if (stmt.getNumberOfTables() > 0 && !dba.supportsOption(RDBMSAdapter.UPDATE_MULTITABLE))
        {
            throw new NucleusDataStoreException("Bulk update requires use of multiple tables yet datastore doesnt allow multiple table syntax");
        }
        datastoreCompilation.setSQL(stmt.getUpdateStatement().toString());
        datastoreCompilation.setStatementParameters(stmt.getSelectStatement().getParametersForStatement());
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            {
                sequenceSchemaName = properties.getProperty("schema-name");
            }
            String sequenceName = properties.getProperty("sequence-name");
            RDBMSStoreManager srm = (RDBMSStoreManager)storeMgr;
            DatastoreAdapter dba = srm.getDatastoreAdapter();
            DatastoreIdentifier identifier = srm.getIdentifierFactory().newSequenceIdentifier(sequenceName);
            if (dba.supportsOption(DatastoreAdapter.CATALOGS_IN_TABLE_DEFINITIONS) && sequenceCatalogName != null)
            {
                identifier.setCatalogName(sequenceCatalogName);
            }
            if (dba.supportsOption(DatastoreAdapter.SCHEMAS_IN_TABLE_DEFINITIONS) && sequenceSchemaName != null)
            {
                identifier.setSchemaName(sequenceSchemaName);
            }
            this.sequenceName = identifier.getFullyQualifiedName(true);
        }
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        }
        String tableName = (properties.getProperty("sequence-table-name") == null ?
                DEFAULT_TABLE_NAME : properties.getProperty("sequence-table-name"));

        MappedStoreManager storeMgr = (MappedStoreManager)this.storeMgr;
        DatastoreAdapter dba = storeMgr.getDatastoreAdapter();
        DatastoreIdentifier identifier = storeMgr.getIdentifierFactory().newDatastoreContainerIdentifier(tableName);
        if (dba.supportsOption(DatastoreAdapter.CATALOGS_IN_TABLE_DEFINITIONS) && catalogName != null)
        {
            identifier.setCatalogName(catalogName);
        }
        if (dba.supportsOption(DatastoreAdapter.SCHEMAS_IN_TABLE_DEFINITIONS) && schemaName != null)
        {
            identifier.setSchemaName(schemaName);
        }

        DatastoreClass table = storeMgr.getDatastoreClass(identifier);
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        // The assumption here is that the SQL UPDATE statement generated will not need to use multiple
        // tables. This means that the SET clause only refers to the table of the candidate, and that
        // the WHERE clause only refers to the table of the candidate.
        // It is possible with some RDBMS e.g MySQL that support multiple table update syntax
        // that these 2 conditions don't need to be enforced.
        DatastoreAdapter dba = ((RDBMSStoreManager)ec.getStoreManager()).getDatastoreAdapter();
        if (stmt.getNumberOfTables() > 0 && !dba.supportsOption(RDBMSAdapter.UPDATE_MULTITABLE))
        {
            throw new NucleusDataStoreException("Bulk update requires use of multiple tables yet datastore doesnt allow multiple table syntax");
        }
        datastoreCompilation.setSQL(stmt.getUpdateStatement().toString());
        datastoreCompilation.setStatementParameters(stmt.getSelectStatement().getParametersForStatement());
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    protected ResultObjectFactory getResultObjectFactoryForCandidateClass(ResultSet rs)
    throws SQLException
    {
        ClassLoaderResolver clr = ec.getClassLoaderResolver();
        MappedStoreManager storeMgr = (MappedStoreManager)ec.getStoreManager();
        DatastoreAdapter dba = storeMgr.getDatastoreAdapter();

        // Create an index listing for ALL (fetchable) fields in the result class.
        final AbstractClassMetaData candidateCmd = ec.getMetaDataManager().getMetaDataForClass(candidateClass, clr);
        int fieldCount = candidateCmd.getNoOfManagedMembers() + candidateCmd.getNoOfInheritedManagedMembers();
        Map columnFieldNumberMap = new HashMap(); // Map of field numbers keyed by the column name
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                {
                    versionMissing = false;
                }

                // Go through the selected fields and check the existence of id, version, discriminator cols
                DatastoreAdapter dba = storeMgr.getDatastoreAdapter();
                final AbstractClassMetaData candidateCmd = ec.getMetaDataManager().getMetaDataForClass(candidateClass, clr);
                for (int i = 0; i < selectedColumns.length; i++)
                {
                    String colName = selectedColumns[i].trim();
                    if (colName.indexOf(" AS ") > 0)
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     * For example MySQL on Linux supports case-sensitive, whereas MySQL on Windows is case insensitive.
     * @return Whether case insensitive.
     */
    private boolean identifiersCaseInsensitive()
    {
        DatastoreAdapter dba = storeMgr.getDatastoreAdapter();
        if (!dba.supportsOption(RDBMSAdapter.IDENTIFIERS_MIXEDCASE_SENSITIVE) &&
            !dba.supportsOption(RDBMSAdapter.IDENTIFIERS_MIXEDCASE_QUOTED_SENSITIVE))
        {
            return true;
        }
        return false;
    }
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     */
    public JavaTypeMapping getMapping(DatastoreContainerObject datastoreContainer,
            AbstractMemberMetaData fmd, ClassLoaderResolver clr, int fieldRole)
    {
        Class mc = null;
        DatastoreAdapter dba = datastoreContainer.getStoreManager().getDatastoreAdapter();

        if (fieldRole == FieldRole.ROLE_COLLECTION_ELEMENT || fieldRole == FieldRole.ROLE_ARRAY_ELEMENT)
        {
            // Mapping a collection/array element (in a join table)
            mc = getElementMappingClass(datastoreContainer, fmd, dba, clr);
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    public void testGetNewDatastoreAdapter1()
    {
        DatabaseMetaData md = new DatabaseMetaData();
        md.setProductName("unknown");
        md.setProductVersion("1");
        DatastoreAdapter adapter = factory.getNewDatastoreAdapter(clr, md, null, pluginMgr);
        assertNull(adapter);
    }
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Related Classes of org.datanucleus.store.mapped.DatastoreAdapter

  • org.datanucleus.store.mapped.expression.StringExpression
  • org.datanucleus.store.mapped.mapping.AbstractMappingManager
  • org.datanucleus.store.rdbms.adapter.RDBMSAdapterFactory
  • org.datanucleus.store.rdbms.adapter.RDBMSAdapterFactoryTest
  • org.datanucleus.store.rdbms.query.JDOQLQuery
  • org.datanucleus.store.rdbms.query.JPQLQuery
  • org.datanucleus.store.rdbms.query.SQLQuery
  • org.datanucleus.store.rdbms.schema.RDBMSSchemaHandler
  • org.datanucleus.store.rdbms.valuegenerator.SequenceGenerator
  • org.datanucleus.store.rdbms.valuegenerator.TableGenerator
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