Examples with DbAttributeBinding org.apache.cayenne.access.translator.DbAttributeBinding used on opensource projects

Example 11 with DbAttributeBinding

use of org.apache.cayenne.access.translator.DbAttributeBinding in project cayenne by apache.

the class DefaultSelectTranslator method appendGroupByColumn.

/**
 * Append single column to GROUP BY clause
 * @since 4.0
 */
protected void appendGroupByColumn(StringBuilder buffer, Map.Entry<ColumnDescriptor, List<DbAttributeBinding>> entry) {
    String fullName;
    if (entry.getKey().isExpression()) {
        fullName = entry.getKey().getDataRowKey();
    } else {
        QuotingStrategy strategy = getAdapter().getQuotingStrategy();
        fullName = strategy.quotedIdentifier(queryMetadata.getDataMap(), entry.getKey().getNamePrefix(), entry.getKey().getName());
    }
    buffer.append(fullName);
    if (entry.getKey().getDataRowKey().equals(entry.getKey().getName())) {
        for (DbAttributeBinding binding : entry.getValue()) {
            addToParamList(binding.getAttribute(), binding.getValue());
        }
    }
}

Example 12 with DbAttributeBinding

use of org.apache.cayenne.access.translator.DbAttributeBinding in project cayenne by apache.

the class QueryAssembler method addToParamList.

/**
 * Registers <code>anObject</code> as a PreparedStatement parameter.
 *
 * @param anObject
 *            object that represents a value of DbAttribute
 * @param dbAttr
 *            DbAttribute being processed.
 */
public void addToParamList(DbAttribute dbAttr, Object anObject) {
    ExtendedType extendedType = anObject != null ? adapter.getExtendedTypes().getRegisteredType(anObject.getClass()) : adapter.getExtendedTypes().getDefaultType();
    DbAttributeBinding binding = new DbAttributeBinding(dbAttr);
    binding.setStatementPosition(bindings.size() + 1);
    binding.setValue(anObject);
    binding.setExtendedType(extendedType);
    bindings.add(binding);
    if (addBindingListener != null) {
        addBindingListener.onAdd(binding);
    }
}

Example 13 with DbAttributeBinding

use of org.apache.cayenne.access.translator.DbAttributeBinding in project cayenne by apache.

the class Oracle8LOBBatchAction method performAction.

@Override
public void performAction(Connection connection, OperationObserver observer) throws SQLException, Exception {
    Oracle8LOBBatchTranslator translator;
    if (query instanceof InsertBatchQuery) {
        translator = new Oracle8LOBInsertBatchTranslator((InsertBatchQuery) query, adapter, OracleAdapter.TRIM_FUNCTION);
    } else if (query instanceof UpdateBatchQuery) {
        translator = new Oracle8LOBUpdateBatchTranslator((UpdateBatchQuery) query, adapter, OracleAdapter.TRIM_FUNCTION);
    } else {
        throw new CayenneException("Unsupported batch type for special LOB processing: " + query);
    }
    translator.setNewBlobFunction(OracleAdapter.NEW_BLOB_FUNCTION);
    translator.setNewClobFunction(OracleAdapter.NEW_CLOB_FUNCTION);
    // no batching is done, queries are translated
    // for each batch set, since prepared statements
    // may be different depending on whether LOBs are NULL or not..
    Oracle8LOBBatchQueryWrapper selectQuery = new Oracle8LOBBatchQueryWrapper(query);
    List<DbAttribute> qualifierAttributes = selectQuery.getDbAttributesForLOBSelectQualifier();
    for (BatchQueryRow row : query.getRows()) {
        selectQuery.indexLOBAttributes(row);
        int updated;
        String updateStr = translator.createSql(row);
        // 1. run row update
        logger.log(updateStr);
        try (PreparedStatement statement = connection.prepareStatement(updateStr)) {
            DbAttributeBinding[] bindings = translator.updateBindings(row);
            logger.logQueryParameters("bind", bindings);
            bind(adapter, statement, bindings);
            updated = statement.executeUpdate();
            logger.logUpdateCount(updated);
        }
        // 2. run row LOB update (SELECT...FOR UPDATE and writing out LOBs)
        processLOBRow(connection, translator, selectQuery, qualifierAttributes, row);
        // finally, notify delegate that the row was updated
        observer.nextCount(query, updated);
    }
}

Example 14 with DbAttributeBinding

use of org.apache.cayenne.access.translator.DbAttributeBinding in project cayenne by apache.

the class Oracle8LOBBatchTranslator method createBindings.

@Override
protected DbAttributeBinding[] createBindings() {
    List<DbAttribute> dbAttributes = query.getDbAttributes();
    int len = dbAttributes.size();
    DbAttributeBinding[] bindings = new DbAttributeBinding[len];
    for (int i = 0; i < len; i++) {
        bindings[i] = new DbAttributeBinding(dbAttributes.get(i));
    }
    return bindings;
}

Example 15 with DbAttributeBinding

use of org.apache.cayenne.access.translator.DbAttributeBinding in project cayenne by apache.

the class Oracle8LOBBatchAction method bind.

private static void bind(DbAdapter adapter, PreparedStatement statement, DbAttributeBinding[] bindings) throws SQLException, Exception {
    for (DbAttributeBinding b : bindings) {
        DbAttributeBinding binding = new DbAttributeBinding(b.getAttribute());
        adapter.bindParameter(statement, binding);
    }
}