Examples with CachedRegionHelper org.apache.geode.internal.cache.tier.CachedRegionHelper used on opensource projects

Example 31 with CachedRegionHelper

use of org.apache.geode.internal.cache.tier.CachedRegionHelper in project geode by apache.

the class BaseCommandQuery method processQueryUsingParams.

/**
   * Process the give query and sends the resulset back to the client.
   *
   * @param msg
   * @param query
   * @param queryString
   * @param regionNames
   * @param start
   * @param cqQuery
   * @param queryContext
   * @param servConn
   * @return true if successful execution false in case of failure.
   * @throws IOException
   */
protected boolean processQueryUsingParams(Message msg, Query query, String queryString, Set regionNames, long start, ServerCQ cqQuery, QueryOperationContext queryContext, ServerConnection servConn, boolean sendResults, Object[] params) throws IOException, InterruptedException {
    ChunkedMessage queryResponseMsg = servConn.getQueryResponseMessage();
    CacheServerStats stats = servConn.getCacheServerStats();
    CachedRegionHelper crHelper = servConn.getCachedRegionHelper();
    {
        long oldStart = start;
        start = DistributionStats.getStatTime();
        stats.incReadQueryRequestTime(start - oldStart);
    }
    // object type
    if (servConn.getClientVersion().compareTo(Version.GFE_70) >= 0) {
        ((DefaultQuery) query).setRemoteQuery(true);
    }
    // Process the query request
    try {
        // integrated security
        for (Object regionName : regionNames) {
            this.securityService.authorizeRegionRead(regionName.toString());
        }
        // Execute query
        // startTime = GenericStats.getTime();
        // startTime = System.currentTimeMillis();
        // For now we assume the results are a SelectResults
        // which is the only possibility now, but this may change
        // in the future if we support arbitrary queries
        Object result = null;
        if (params != null) {
            result = query.execute(params);
        } else {
            result = query.execute();
        }
        // Asif : Before conditioning the results check if any
        // of the regions involved in the query have been destroyed
        // or not. If yes, throw an Exception.
        // This is a workaround/fix for Bug 36969
        Iterator itr = regionNames.iterator();
        while (itr.hasNext()) {
            String regionName = (String) itr.next();
            if (crHelper.getRegion(regionName) == null) {
                throw new RegionDestroyedException(LocalizedStrings.BaseCommand_REGION_DESTROYED_DURING_THE_EXECUTION_OF_THE_QUERY.toLocalizedString(), regionName);
            }
        }
        AuthorizeRequestPP postAuthzRequest = servConn.getPostAuthzRequest();
        if (postAuthzRequest != null) {
            if (cqQuery == null) {
                queryContext = postAuthzRequest.queryAuthorize(queryString, regionNames, result, queryContext, params);
            } else {
                queryContext = postAuthzRequest.executeCQAuthorize(cqQuery.getName(), queryString, regionNames, result, queryContext);
            }
            result = queryContext.getQueryResult();
        }
        if (result instanceof SelectResults) {
            SelectResults selectResults = (SelectResults) result;
            if (logger.isDebugEnabled()) {
                logger.debug("Query Result size for : {} is {}", query.getQueryString(), selectResults.size());
            }
            CollectionType collectionType = null;
            boolean sendCqResultsWithKey = true;
            boolean isStructs = false;
            // check if resultset has serialized objects, so that they could be sent
            // as ObjectPartList
            boolean hasSerializedObjects = ((DefaultQuery) query).isKeepSerialized();
            if (logger.isDebugEnabled()) {
                logger.debug("Query Result for :{} has serialized objects: {}", query.getQueryString(), hasSerializedObjects);
            }
            // Don't convert to a Set, there might be duplicates now
            // The results in a StructSet are stored in Object[]s
            // Get them as Object[]s for the objs[] in order to avoid duplicating
            // the StructTypes
            // Object[] objs = new Object[selectResults.size()];
            // Get the collection type (which includes the element type)
            // (used to generate the appropriate instance on the client)
            // Get the collection type (which includes the element type)
            // (used to generate the appropriate instance on the client)
            collectionType = getCollectionType(selectResults);
            isStructs = collectionType.getElementType().isStructType();
            // Check if the Query is from CQ execution.
            if (cqQuery != null) {
                // Check if the key can be sent to the client based on its version.
                sendCqResultsWithKey = sendCqResultsWithKey(servConn);
                if (sendCqResultsWithKey) {
                    // Update the collection type to include key info.
                    collectionType = new CollectionTypeImpl(Collection.class, new StructTypeImpl(new String[] { "key", "value" }));
                    isStructs = collectionType.getElementType().isStructType();
                }
            }
            int numberOfChunks = (int) Math.ceil(selectResults.size() * 1.0 / MAXIMUM_CHUNK_SIZE);
            if (logger.isTraceEnabled()) {
                logger.trace("{}: Query results size: {}: Entries in chunk: {}: Number of chunks: {}", servConn.getName(), selectResults.size(), MAXIMUM_CHUNK_SIZE, numberOfChunks);
            }
            long oldStart = start;
            start = DistributionStats.getStatTime();
            stats.incProcessQueryTime(start - oldStart);
            if (sendResults) {
                queryResponseMsg.setMessageType(MessageType.RESPONSE);
                queryResponseMsg.setTransactionId(msg.getTransactionId());
                queryResponseMsg.sendHeader();
            }
            if (sendResults && numberOfChunks == 0) {
                // Send 1 empty chunk
                if (logger.isTraceEnabled()) {
                    logger.trace("{}: Creating chunk: 0", servConn.getName());
                }
                writeQueryResponseChunk(new Object[0], collectionType, true, servConn);
                if (logger.isDebugEnabled()) {
                    logger.debug("{}: Sent chunk (1 of 1) of query response for query {}", servConn.getName(), queryString);
                }
            } else {
                // send it as a part of ObjectPartList
                if (hasSerializedObjects) {
                    sendResultsAsObjectPartList(numberOfChunks, servConn, selectResults.asList(), isStructs, collectionType, queryString, cqQuery, sendCqResultsWithKey, sendResults);
                } else {
                    sendResultsAsObjectArray(selectResults, numberOfChunks, servConn, isStructs, collectionType, queryString, cqQuery, sendCqResultsWithKey, sendResults);
                }
            }
            if (cqQuery != null) {
                // Set the CQ query result cache initialized flag.
                cqQuery.setCqResultsCacheInitialized();
            }
        } else if (result instanceof Integer) {
            if (sendResults) {
                queryResponseMsg.setMessageType(MessageType.RESPONSE);
                queryResponseMsg.setTransactionId(msg.getTransactionId());
                queryResponseMsg.sendHeader();
                writeQueryResponseChunk(result, null, true, servConn);
            }
        } else {
            throw new QueryInvalidException(LocalizedStrings.BaseCommand_UNKNOWN_RESULT_TYPE_0.toLocalizedString(result.getClass()));
        }
        msg.clearParts();
    } catch (QueryInvalidException e) {
        // Handle this exception differently since it can contain
        // non-serializable objects.
        // java.io.NotSerializableException: antlr.CommonToken
        // Log a warning to show stack trace and create a new
        // QueryInvalidEsception on the original one's message (not cause).
        logger.warn(LocalizedMessage.create(LocalizedStrings.BaseCommand_UNEXPECTED_QUERYINVALIDEXCEPTION_WHILE_PROCESSING_QUERY_0, queryString), e);
        QueryInvalidException qie = new QueryInvalidException(LocalizedStrings.BaseCommand_0_QUERYSTRING_IS_1.toLocalizedString(new Object[] { e.getLocalizedMessage(), queryString }));
        writeQueryResponseException(msg, qie, servConn);
        return false;
    } catch (DistributedSystemDisconnectedException se) {
        if (msg != null && logger.isDebugEnabled()) {
            logger.debug("{}: ignoring message of type {} from client {} because shutdown occurred during message processing.", servConn.getName(), MessageType.getString(msg.getMessageType()), servConn.getProxyID());
        }
        servConn.setFlagProcessMessagesAsFalse();
        servConn.setClientDisconnectedException(se);
        return false;
    } catch (Exception e) {
        // If an interrupted exception is thrown , rethrow it
        checkForInterrupt(servConn, e);
        // Otherwise, write a query response and continue
        // Check if query got canceled from QueryMonitor.
        DefaultQuery defaultQuery = (DefaultQuery) query;
        if ((defaultQuery).isCanceled()) {
            e = new QueryException(defaultQuery.getQueryCanceledException().getMessage(), e.getCause());
        }
        writeQueryResponseException(msg, e, servConn);
        return false;
    } finally {
    // Since the query object is being shared in case of bind queries,
    // resetting the flag may cause inconsistency.
    // Also since this flag is only being set in code path executed by
    // remote query execution, resetting it is not required.
    // ((DefaultQuery)query).setRemoteQuery(false);
    }
    if (logger.isDebugEnabled()) {
        logger.debug("{}: Sent query response for query {}", servConn.getName(), queryString);
    }
    stats.incWriteQueryResponseTime(DistributionStats.getStatTime() - start);
    return true;
}

Example 32 with CachedRegionHelper

use of org.apache.geode.internal.cache.tier.CachedRegionHelper in project geode by apache.

the class BaseCommand method handleShutdownException.

private static void handleShutdownException(Message msg, ServerConnection serverConnection, Exception e) {
    CachedRegionHelper crHelper = serverConnection.getCachedRegionHelper();
    boolean potentialModification = serverConnection.getPotentialModification();
    if (!crHelper.isShutdown()) {
        if (potentialModification) {
            int transId = msg != null ? msg.getTransactionId() : Integer.MIN_VALUE;
            logger.warn(LocalizedMessage.create(LocalizedStrings.BaseCommand_0_UNEXPECTED_SHUTDOWNEXCEPTION_DURING_OPERATION_ON_REGION_1_KEY_2_MESSAGEID_3, new Object[] { serverConnection.getName(), serverConnection.getModRegion(), serverConnection.getModKey(), transId }), e);
        } else {
            logger.warn(LocalizedMessage.create(LocalizedStrings.BaseCommand_0_UNEXPECTED_SHUTDOWNEXCEPTION, serverConnection.getName()), e);
        }
    }
    serverConnection.setFlagProcessMessagesAsFalse();
    serverConnection.setClientDisconnectedException(e);
}

Example 33 with CachedRegionHelper

use of org.apache.geode.internal.cache.tier.CachedRegionHelper in project geode by apache.

the class BaseCommand method handleInterruptedIOException.

private static void handleInterruptedIOException(ServerConnection serverConnection, Exception e) {
    CachedRegionHelper crHelper = serverConnection.getCachedRegionHelper();
    if (!crHelper.isShutdown() && serverConnection.isOpen()) {
        if (!SUPPRESS_IO_EXCEPTION_LOGGING) {
            if (logger.isDebugEnabled())
                logger.debug("Aborted message due to interrupt: {}", e.getMessage(), e);
        }
    }
    serverConnection.setFlagProcessMessagesAsFalse();
    serverConnection.setClientDisconnectedException(e);
}

Example 34 with CachedRegionHelper

use of org.apache.geode.internal.cache.tier.CachedRegionHelper in project geode by apache.

the class ExecuteRegionFunction method cmdExecute.

@Override
public void cmdExecute(Message clientMessage, ServerConnection servConn, long start) throws IOException {
    String regionName = null;
    Object function = null;
    Object args = null;
    MemberMappedArgument memberMappedArg = null;
    Set filter = null;
    byte hasResult = 0;
    int filterSize = 0, partNumber = 0;
    CachedRegionHelper crHelper = servConn.getCachedRegionHelper();
    try {
        hasResult = clientMessage.getPart(0).getSerializedForm()[0];
        if (hasResult == 1) {
            servConn.setAsTrue(REQUIRES_RESPONSE);
            servConn.setAsTrue(REQUIRES_CHUNKED_RESPONSE);
        }
        regionName = clientMessage.getPart(1).getString();
        function = clientMessage.getPart(2).getStringOrObject();
        args = clientMessage.getPart(3).getObject();
        Part part = clientMessage.getPart(4);
        if (part != null) {
            Object obj = part.getObject();
            if (obj instanceof MemberMappedArgument) {
                memberMappedArg = (MemberMappedArgument) obj;
            }
        }
        filterSize = clientMessage.getPart(5).getInt();
        if (filterSize != 0) {
            filter = new HashSet();
            partNumber = 6;
            for (int i = 0; i < filterSize; i++) {
                filter.add(clientMessage.getPart(partNumber + i).getStringOrObject());
            }
        }
    } catch (ClassNotFoundException exception) {
        logger.warn(LocalizedMessage.create(LocalizedStrings.ExecuteRegionFunction_EXCEPTION_ON_SERVER_WHILE_EXECUTIONG_FUNCTION_0, function), exception);
        if (hasResult == 1) {
            writeChunkedException(clientMessage, exception, servConn);
            servConn.setAsTrue(RESPONDED);
            return;
        }
    }
    if (function == null || regionName == null) {
        String message = null;
        if (function == null) {
            message = LocalizedStrings.ExecuteRegionFunction_THE_INPUT_0_FOR_THE_EXECUTE_FUNCTION_REQUEST_IS_NULL.toLocalizedString("function");
        }
        if (regionName == null) {
            message = LocalizedStrings.ExecuteRegionFunction_THE_INPUT_0_FOR_THE_EXECUTE_FUNCTION_REQUEST_IS_NULL.toLocalizedString("region");
        }
        logger.warn("{}: {}", servConn.getName(), message);
        sendError(hasResult, clientMessage, message, servConn);
        return;
    }
    Region region = crHelper.getRegion(regionName);
    if (region == null) {
        String message = LocalizedStrings.ExecuteRegionFunction_THE_REGION_NAMED_0_WAS_NOT_FOUND_DURING_EXECUTE_FUNCTION_REQUEST.toLocalizedString(regionName);
        logger.warn("{}: {}", servConn.getName(), message);
        sendError(hasResult, clientMessage, message, servConn);
        return;
    }
    HandShake handShake = (HandShake) servConn.getHandshake();
    int earlierClientReadTimeout = handShake.getClientReadTimeout();
    handShake.setClientReadTimeout(0);
    ServerToClientFunctionResultSender resultSender = null;
    Function functionObject = null;
    try {
        if (function instanceof String) {
            functionObject = FunctionService.getFunction((String) function);
            if (functionObject == null) {
                String message = LocalizedStrings.ExecuteRegionFunction_THE_FUNCTION_0_HAS_NOT_BEEN_REGISTERED.toLocalizedString(function);
                logger.warn("{}: {}", servConn.getName(), message);
                sendError(hasResult, clientMessage, message, servConn);
                return;
            }
        } else {
            functionObject = (Function) function;
        }
        this.securityService.authorizeDataWrite();
        // check if the caller is authorized to do this operation on server
        AuthorizeRequest authzRequest = servConn.getAuthzRequest();
        final String functionName = functionObject.getId();
        final String regionPath = region.getFullPath();
        ExecuteFunctionOperationContext executeContext = null;
        if (authzRequest != null) {
            executeContext = authzRequest.executeFunctionAuthorize(functionName, regionPath, filter, args, functionObject.optimizeForWrite());
        }
        // Construct execution
        AbstractExecution execution = (AbstractExecution) FunctionService.onRegion(region);
        ChunkedMessage m = servConn.getFunctionResponseMessage();
        m.setTransactionId(clientMessage.getTransactionId());
        resultSender = new ServerToClientFunctionResultSender(m, MessageType.EXECUTE_REGION_FUNCTION_RESULT, servConn, functionObject, executeContext);
        if (execution instanceof PartitionedRegionFunctionExecutor) {
            execution = new PartitionedRegionFunctionExecutor((PartitionedRegion) region, filter, args, memberMappedArg, resultSender, null, false);
        } else {
            execution = new DistributedRegionFunctionExecutor((DistributedRegion) region, filter, args, memberMappedArg, resultSender);
        }
        if (logger.isDebugEnabled()) {
            logger.debug("Executing Function: {} on Server: {} with Execution: {}", functionObject.getId(), servConn, execution);
        }
        if (hasResult == 1) {
            if (function instanceof String) {
                execution.execute((String) function).getResult();
            } else {
                execution.execute(functionObject).getResult();
            }
        } else {
            if (function instanceof String) {
                execution.execute((String) function);
            } else {
                execution.execute(functionObject);
            }
        }
    } catch (IOException ioe) {
        logger.warn(LocalizedMessage.create(LocalizedStrings.ExecuteRegionFunction_EXCEPTION_ON_SERVER_WHILE_EXECUTIONG_FUNCTION_0, function), ioe);
        final String message = LocalizedStrings.ExecuteRegionFunction_SERVER_COULD_NOT_SEND_THE_REPLY.toLocalizedString();
        sendException(hasResult, clientMessage, message, servConn, ioe);
    } catch (InternalFunctionInvocationTargetException internalfunctionException) {
        // 4> in case of HA member departed
        if (logger.isDebugEnabled()) {
            logger.debug(LocalizedMessage.create(LocalizedStrings.ExecuteFunction_EXCEPTION_ON_SERVER_WHILE_EXECUTIONG_FUNCTION_0, new Object[] { function }), internalfunctionException);
        }
        final String message = internalfunctionException.getMessage();
        sendException(hasResult, clientMessage, message, servConn, internalfunctionException);
    } catch (FunctionException fe) {
        logger.warn(LocalizedMessage.create(LocalizedStrings.ExecuteRegionFunction_EXCEPTION_ON_SERVER_WHILE_EXECUTIONG_FUNCTION_0, function), fe);
        String message = fe.getMessage();
        sendException(hasResult, clientMessage, message, servConn, fe);
    } catch (Exception e) {
        logger.warn(LocalizedMessage.create(LocalizedStrings.ExecuteRegionFunction_EXCEPTION_ON_SERVER_WHILE_EXECUTIONG_FUNCTION_0, function), e);
        String message = e.getMessage();
        sendException(hasResult, clientMessage, message, servConn, e);
    } finally {
        handShake.setClientReadTimeout(earlierClientReadTimeout);
    }
}

Example 35 with CachedRegionHelper

use of org.apache.geode.internal.cache.tier.CachedRegionHelper in project geode by apache.

the class ExecuteRegionFunction65 method cmdExecute.

@Override
public void cmdExecute(Message clientMessage, ServerConnection servConn, long start) throws IOException {
    String regionName = null;
    Object function = null;
    Object args = null;
    MemberMappedArgument memberMappedArg = null;
    byte isReExecute = 0;
    Set<Object> filter = null;
    byte hasResult = 0;
    int removedNodesSize = 0;
    Set<Object> removedNodesSet = null;
    int filterSize = 0, partNumber = 0;
    CachedRegionHelper crHelper = servConn.getCachedRegionHelper();
    byte functionState = 0;
    try {
        functionState = clientMessage.getPart(0).getSerializedForm()[0];
        if (functionState != 1) {
            hasResult = (byte) ((functionState & 2) - 1);
        } else {
            hasResult = functionState;
        }
        if (hasResult == 1) {
            servConn.setAsTrue(REQUIRES_RESPONSE);
            servConn.setAsTrue(REQUIRES_CHUNKED_RESPONSE);
        }
        regionName = clientMessage.getPart(1).getString();
        function = clientMessage.getPart(2).getStringOrObject();
        args = clientMessage.getPart(3).getObject();
        Part part = clientMessage.getPart(4);
        if (part != null) {
            Object obj = part.getObject();
            if (obj instanceof MemberMappedArgument) {
                memberMappedArg = (MemberMappedArgument) obj;
            }
        }
        isReExecute = clientMessage.getPart(5).getSerializedForm()[0];
        filterSize = clientMessage.getPart(6).getInt();
        if (filterSize != 0) {
            filter = new HashSet<Object>();
            partNumber = 7;
            for (int i = 0; i < filterSize; i++) {
                filter.add(clientMessage.getPart(partNumber + i).getStringOrObject());
            }
        }
        partNumber = 7 + filterSize;
        removedNodesSize = clientMessage.getPart(partNumber).getInt();
        if (removedNodesSize != 0) {
            removedNodesSet = new HashSet<Object>();
            partNumber = partNumber + 1;
            for (int i = 0; i < removedNodesSize; i++) {
                removedNodesSet.add(clientMessage.getPart(partNumber + i).getStringOrObject());
            }
        }
    } catch (ClassNotFoundException exception) {
        logger.warn(LocalizedMessage.create(LocalizedStrings.ExecuteRegionFunction_EXCEPTION_ON_SERVER_WHILE_EXECUTIONG_FUNCTION_0, function), exception);
        if (hasResult == 1) {
            writeChunkedException(clientMessage, exception, servConn);
            servConn.setAsTrue(RESPONDED);
            return;
        }
    }
    if (function == null || regionName == null) {
        String message = null;
        if (function == null) {
            message = LocalizedStrings.ExecuteRegionFunction_THE_INPUT_0_FOR_THE_EXECUTE_FUNCTION_REQUEST_IS_NULL.toLocalizedString("function");
        }
        if (regionName == null) {
            message = LocalizedStrings.ExecuteRegionFunction_THE_INPUT_0_FOR_THE_EXECUTE_FUNCTION_REQUEST_IS_NULL.toLocalizedString("region");
        }
        logger.warn("{}: {}", servConn.getName(), message);
        sendError(hasResult, clientMessage, message, servConn);
        return;
    }
    Region region = crHelper.getRegion(regionName);
    if (region == null) {
        String message = LocalizedStrings.ExecuteRegionFunction_THE_REGION_NAMED_0_WAS_NOT_FOUND_DURING_EXECUTE_FUNCTION_REQUEST.toLocalizedString(regionName);
        logger.warn("{}: {}", servConn.getName(), message);
        sendError(hasResult, clientMessage, message, servConn);
        return;
    }
    HandShake handShake = (HandShake) servConn.getHandshake();
    int earlierClientReadTimeout = handShake.getClientReadTimeout();
    handShake.setClientReadTimeout(0);
    ServerToClientFunctionResultSender resultSender = null;
    Function functionObject = null;
    try {
        if (function instanceof String) {
            functionObject = FunctionService.getFunction((String) function);
            if (functionObject == null) {
                String message = LocalizedStrings.ExecuteRegionFunction_THE_FUNCTION_0_HAS_NOT_BEEN_REGISTERED.toLocalizedString(function);
                logger.warn("{}: {}", servConn.getName(), message);
                sendError(hasResult, clientMessage, message, servConn);
                return;
            } else {
                byte functionStateOnServerSide = AbstractExecution.getFunctionState(functionObject.isHA(), functionObject.hasResult(), functionObject.optimizeForWrite());
                if (logger.isDebugEnabled()) {
                    logger.debug("Function State on server side: {} on client: {}", functionStateOnServerSide, functionState);
                }
                if (functionStateOnServerSide != functionState) {
                    String message = LocalizedStrings.FunctionService_FUNCTION_ATTRIBUTE_MISMATCH_CLIENT_SERVER.toLocalizedString(function);
                    logger.warn("{}: {}", servConn.getName(), message);
                    sendError(hasResult, clientMessage, message, servConn);
                    return;
                }
            }
        } else {
            functionObject = (Function) function;
        }
        this.securityService.authorizeDataWrite();
        // check if the caller is authorized to do this operation on server
        AuthorizeRequest authzRequest = servConn.getAuthzRequest();
        final String functionName = functionObject.getId();
        final String regionPath = region.getFullPath();
        ExecuteFunctionOperationContext executeContext = null;
        if (authzRequest != null) {
            executeContext = authzRequest.executeFunctionAuthorize(functionName, regionPath, filter, args, functionObject.optimizeForWrite());
        }
        // Construct execution
        AbstractExecution execution = (AbstractExecution) FunctionService.onRegion(region);
        ChunkedMessage m = servConn.getFunctionResponseMessage();
        m.setTransactionId(clientMessage.getTransactionId());
        resultSender = new ServerToClientFunctionResultSender65(m, MessageType.EXECUTE_REGION_FUNCTION_RESULT, servConn, functionObject, executeContext);
        if (execution instanceof PartitionedRegionFunctionExecutor) {
            execution = new PartitionedRegionFunctionExecutor((PartitionedRegion) region, filter, args, memberMappedArg, resultSender, removedNodesSet, false);
        } else {
            execution = new DistributedRegionFunctionExecutor((DistributedRegion) region, filter, args, memberMappedArg, resultSender);
        }
        if (isReExecute == 1) {
            execution = execution.setIsReExecute();
        }
        if (logger.isDebugEnabled()) {
            logger.debug("Executing Function: {} on Server: {} with Execution: {} functionState={} reexecute={} hasResult={}", functionObject.getId(), servConn, execution, functionState, isReExecute, hasResult);
        }
        if (hasResult == 1) {
            if (function instanceof String) {
                switch(functionState) {
                    case AbstractExecution.NO_HA_HASRESULT_NO_OPTIMIZEFORWRITE:
                        execution.execute((String) function, true, false, false).getResult();
                        break;
                    case AbstractExecution.HA_HASRESULT_NO_OPTIMIZEFORWRITE:
                        execution.execute((String) function, true, true, false).getResult();
                        break;
                    case AbstractExecution.HA_HASRESULT_OPTIMIZEFORWRITE:
                        execution.execute((String) function, true, true, true).getResult();
                        break;
                    case AbstractExecution.NO_HA_HASRESULT_OPTIMIZEFORWRITE:
                        execution.execute((String) function, true, false, true).getResult();
                        break;
                }
            } else {
                execution.execute(functionObject).getResult();
            }
        } else {
            if (function instanceof String) {
                switch(functionState) {
                    case AbstractExecution.NO_HA_NO_HASRESULT_NO_OPTIMIZEFORWRITE:
                        execution.execute((String) function, false, false, false);
                        break;
                    case AbstractExecution.NO_HA_NO_HASRESULT_OPTIMIZEFORWRITE:
                        execution.execute((String) function, false, false, true);
                        break;
                }
            } else {
                execution.execute(functionObject);
            }
        }
    } catch (IOException ioe) {
        logger.warn(LocalizedMessage.create(LocalizedStrings.ExecuteRegionFunction_EXCEPTION_ON_SERVER_WHILE_EXECUTIONG_FUNCTION_0, function), ioe);
        final String message = LocalizedStrings.ExecuteRegionFunction_SERVER_COULD_NOT_SEND_THE_REPLY.toLocalizedString();
        sendException(hasResult, clientMessage, message, servConn, ioe);
    } catch (FunctionException fe) {
        String message = fe.getMessage();
        if (fe.getCause() instanceof FunctionInvocationTargetException) {
            if (fe.getCause() instanceof InternalFunctionInvocationTargetException) {
                // 4> in case of HA member departed
                if (logger.isDebugEnabled()) {
                    logger.debug(LocalizedMessage.create(LocalizedStrings.ExecuteFunction_EXCEPTION_ON_SERVER_WHILE_EXECUTIONG_FUNCTION_0, new Object[] { function }), fe);
                }
            } else if (functionObject.isHA()) {
                logger.warn(LocalizedMessage.create(LocalizedStrings.ExecuteRegionFunction_EXCEPTION_ON_SERVER_WHILE_EXECUTIONG_FUNCTION_0, function + " :" + message));
            } else {
                logger.warn(LocalizedMessage.create(LocalizedStrings.ExecuteRegionFunction_EXCEPTION_ON_SERVER_WHILE_EXECUTIONG_FUNCTION_0, function), fe);
            }
            resultSender.setException(fe);
        } else {
            logger.warn(LocalizedMessage.create(LocalizedStrings.ExecuteRegionFunction_EXCEPTION_ON_SERVER_WHILE_EXECUTIONG_FUNCTION_0, function), fe);
            sendException(hasResult, clientMessage, message, servConn, fe);
        }
    } catch (Exception e) {
        logger.warn(LocalizedMessage.create(LocalizedStrings.ExecuteRegionFunction_EXCEPTION_ON_SERVER_WHILE_EXECUTIONG_FUNCTION_0, function), e);
        String message = e.getMessage();
        sendException(hasResult, clientMessage, message, servConn, e);
    } finally {
        handShake.setClientReadTimeout(earlierClientReadTimeout);
    }
}